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org.apache.catalina.core.StandardContext Maven / Gradle / Ivy

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */


package org.apache.catalina.core;

import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.URL;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.Stack;
import java.util.TreeMap;
import java.util.concurrent.Callable;
import java.util.concurrent.atomic.AtomicLong;

import javax.management.ListenerNotFoundException;
import javax.management.MBeanNotificationInfo;
import javax.management.Notification;
import javax.management.NotificationBroadcasterSupport;
import javax.management.NotificationEmitter;
import javax.management.NotificationFilter;
import javax.management.NotificationListener;
import javax.management.ObjectName;
import javax.naming.NamingException;
import javax.naming.directory.DirContext;
import javax.servlet.DispatcherType;
import javax.servlet.FilterConfig;
import javax.servlet.RequestDispatcher;
import javax.servlet.Servlet;
import javax.servlet.ServletContainerInitializer;
import javax.servlet.ServletContext;
import javax.servlet.ServletContextAttributeListener;
import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;
import javax.servlet.ServletException;
import javax.servlet.ServletRegistration;
import javax.servlet.ServletRequest;
import javax.servlet.ServletRequestAttributeListener;
import javax.servlet.ServletRequestEvent;
import javax.servlet.ServletRequestListener;
import javax.servlet.ServletSecurityElement;
import javax.servlet.descriptor.JspConfigDescriptor;
import javax.servlet.http.HttpSessionAttributeListener;
import javax.servlet.http.HttpSessionListener;

import org.apache.catalina.Authenticator;
import org.apache.catalina.Container;
import org.apache.catalina.ContainerListener;
import org.apache.catalina.Context;
import org.apache.catalina.Globals;
import org.apache.catalina.Host;
import org.apache.catalina.InstanceListener;
import org.apache.catalina.Lifecycle;
import org.apache.catalina.LifecycleException;
import org.apache.catalina.LifecycleListener;
import org.apache.catalina.LifecycleState;
import org.apache.catalina.Loader;
import org.apache.catalina.Manager;
import org.apache.catalina.Pipeline;
import org.apache.catalina.Valve;
import org.apache.catalina.Wrapper;
import org.apache.catalina.deploy.ApplicationParameter;
import org.apache.catalina.deploy.ErrorPage;
import org.apache.catalina.deploy.FilterDef;
import org.apache.catalina.deploy.FilterMap;
import org.apache.catalina.deploy.Injectable;
import org.apache.catalina.deploy.InjectionTarget;
import org.apache.catalina.deploy.LoginConfig;
import org.apache.catalina.deploy.MessageDestination;
import org.apache.catalina.deploy.MessageDestinationRef;
import org.apache.catalina.deploy.NamingResources;
import org.apache.catalina.deploy.SecurityCollection;
import org.apache.catalina.deploy.SecurityConstraint;
import org.apache.catalina.loader.WebappLoader;
import org.apache.catalina.session.StandardManager;
import org.apache.catalina.startup.TldConfig;
import org.apache.catalina.util.CharsetMapper;
import org.apache.catalina.util.ContextName;
import org.apache.catalina.util.ExtensionValidator;
import org.apache.catalina.util.RequestUtil;
import org.apache.catalina.util.URLEncoder;
import org.apache.juli.logging.Log;
import org.apache.juli.logging.LogFactory;
import org.apache.naming.ContextBindings;
import org.apache.naming.resources.BaseDirContext;
import org.apache.naming.resources.DirContextURLStreamHandler;
import org.apache.naming.resources.FileDirContext;
import org.apache.naming.resources.ProxyDirContext;
import org.apache.naming.resources.WARDirContext;
import org.apache.tomcat.InstanceManager;
import org.apache.tomcat.JarScanner;
import org.apache.tomcat.util.ExceptionUtils;
import org.apache.tomcat.util.modeler.Registry;
import org.apache.tomcat.util.scan.StandardJarScanner;
import org.apache.tomcat.util.threads.DedicatedThreadExecutor;

/**
 * Standard implementation of the Context interface.  Each
 * child container must be a Wrapper implementation to process the
 * requests directed to a particular servlet.
 *
 * @author Craig R. McClanahan
 * @author Remy Maucherat
 * @version $Id: StandardContext.java 1064652 2011-01-28 13:03:57Z markt $
 */

public class StandardContext extends ContainerBase
        implements Context, NotificationEmitter {

    private static final Log log = LogFactory.getLog(StandardContext.class);


    // ----------------------------------------------------------- Constructors


    /**
     * Create a new StandardContext component with the default basic Valve.
     */
    public StandardContext() {

        super();
        pipeline.setBasic(new StandardContextValve());
        broadcaster = new NotificationBroadcasterSupport();
        // Set defaults
        if (!Globals.STRICT_SERVLET_COMPLIANCE) {
            // Strict servlet compliance requires all extension mapped servlets
            // to be checked against welcome files
            resourceOnlyServlets.add("jsp");
        }
    }


    // ----------------------------------------------------- Class Variables


    /**
     * The descriptive information string for this implementation.
     */
    private static final String info =
        "org.apache.catalina.core.StandardContext/1.0";


    /**
     * Array containing the safe characters set.
     */
    protected static URLEncoder urlEncoder;


    /**
     * GMT timezone - all HTTP dates are on GMT
     */
    static {
        urlEncoder = new URLEncoder();
        urlEncoder.addSafeCharacter('~');
        urlEncoder.addSafeCharacter('-');
        urlEncoder.addSafeCharacter('_');
        urlEncoder.addSafeCharacter('.');
        urlEncoder.addSafeCharacter('*');
        urlEncoder.addSafeCharacter('/');
    }


    // ----------------------------------------------------- Instance Variables


    /**
     * Allow multipart/form-data requests to be parsed even when the
     * target servlet doesn't specify @MultipartConfig or have a
     * <multipart-config> element.
     */
    protected boolean allowCasualMultipartParsing = false;
     
    /**
     * The alternate deployment descriptor name.
     */
    private String altDDName = null;


    /**
     * Lifecycle provider.
     */
    private InstanceManager instanceManager = null;


   /**
     * Associated host name.
     */
    private String hostName;


    /**
     * The antiJARLocking flag for this Context.
     */
    private boolean antiJARLocking = false;

    
    /**
     * The antiResourceLocking flag for this Context.
     */
    private boolean antiResourceLocking = false;

    
    /**
     * The set of application listener class names configured for this
     * application, in the order they were encountered in the web.xml file.
     */
    private String applicationListeners[] = new String[0];
    
    private final Object applicationListenersLock = new Object();


    /**
     * The set of instantiated application event listener objects.
     */
    private Object applicationEventListenersObjects[] = 
        new Object[0];


    /**
     * The set of instantiated application lifecycle listener objects.
     */
    private Object applicationLifecycleListenersObjects[] = 
        new Object[0];


    /**
     * The ordered set of ServletContainerInitializers for this web application.
     */
    private Map>> initializers =
        new LinkedHashMap>>();
    
    
    /**
     * The set of application parameters defined for this application.
     */
    private ApplicationParameter applicationParameters[] =
        new ApplicationParameter[0];

    private final Object applicationParametersLock = new Object();
    

    /**
     * The broadcaster that sends j2ee notifications. 
     */
    private NotificationBroadcasterSupport broadcaster = null;
    
    /**
     * The Locale to character set mapper for this application.
     */
    private CharsetMapper charsetMapper = null;


    /**
     * The Java class name of the CharsetMapper class to be created.
     */
    private String charsetMapperClass =
      "org.apache.catalina.util.CharsetMapper";


    /**
     * The URL of the XML descriptor for this context.
     */
    private URL configFile = null;


    /**
     * The "correctly configured" flag for this Context.
     */
    private boolean configured = false;


    /**
     * The security constraints for this web application.
     */
    private SecurityConstraint constraints[] = new SecurityConstraint[0];
    
    private final Object constraintsLock = new Object();


    /**
     * The ServletContext implementation associated with this Context.
     */
    protected ApplicationContext context = null;


    /**
     * Compiler classpath to use.
     */
    private String compilerClasspath = null;


    /**
     * Should we attempt to use cookies for session id communication?
     */
    private boolean cookies = true;


    /**
     * Should we allow the ServletContext.getContext() method
     * to access the context of other web applications in this server?
     */
    private boolean crossContext = false;

    
    /**
     * Encoded path.
     */
    private String encodedPath = null;
    

    /**
     * Unencoded path for this web application.
     */
    private String path = null;


    /**
     * The "follow standard delegation model" flag that will be used to
     * configure our ClassLoader.
     */
    private boolean delegate = false;


    /**
     * The display name of this web application.
     */
    private String displayName = null;


    /** 
     * Override the default context xml location.
     */
    private String defaultContextXml;


    /** 
     * Override the default web xml location.
     */
    private String defaultWebXml;


    /**
     * The distributable flag for this web application.
     */
    private boolean distributable = false;


    /**
     * The document root for this web application.
     */
    private String docBase = null;


    /**
     * The exception pages for this web application, keyed by fully qualified
     * class name of the Java exception.
     */
    private HashMap exceptionPages =
        new HashMap();


    /**
     * The set of filter configurations (and associated filter instances) we
     * have initialized, keyed by filter name.
     */
    private HashMap filterConfigs =
        new HashMap();


    /**
     * The set of filter definitions for this application, keyed by
     * filter name.
     */
    private HashMap filterDefs =
        new HashMap();


    /**
     * The set of filter mappings for this application, in the order
     * they were defined in the deployment descriptor with additional mappings
     * added via the {@link ServletContext} possibly both before and after those
     * defined in the deployment descriptor.
     */
    private final ContextFilterMaps filterMaps = new ContextFilterMaps();

    /**
     * Ignore annotations.
     */
    private boolean ignoreAnnotations = false;


    /**
     * The set of classnames of InstanceListeners that will be added
     * to each newly created Wrapper by createWrapper().
     */
    private String instanceListeners[] = new String[0];

    private final Object instanceListenersLock = new Object();


    /**
     * The login configuration descriptor for this web application.
     */
    private LoginConfig loginConfig = null;


    /**
     * The mapper associated with this context.
     */
    private org.apache.tomcat.util.http.mapper.Mapper mapper = 
        new org.apache.tomcat.util.http.mapper.Mapper();


    /**
     * The naming context listener for this web application.
     */
    private NamingContextListener namingContextListener = null;


    /**
     * The naming resources for this web application.
     */
    private NamingResources namingResources = null;
    private ObjectName onameNamingResources;

    /**
     * The message destinations for this web application.
     */
    private HashMap messageDestinations =
        new HashMap();


    /**
     * The MIME mappings for this web application, keyed by extension.
     */
    private HashMap mimeMappings =
        new HashMap();


     /**
      * Special case: error page for status 200.
      */
     private ErrorPage okErrorPage = null;


    /**
     * The context initialization parameters for this web application,
     * keyed by name.
     */
    private HashMap parameters = new HashMap();


    /**
     * The request processing pause flag (while reloading occurs)
     */
    private boolean paused = false;


    /**
     * The public identifier of the DTD for the web application deployment
     * descriptor version we are currently parsing.  This is used to support
     * relaxed validation rules when processing version 2.2 web.xml files.
     */
    private String publicId = null;


    /**
     * The reloadable flag for this web application.
     */
    private boolean reloadable = false;


    /**
     * Unpack WAR property.
     */
    private boolean unpackWAR = true;


    /**
     * The default context override flag for this web application.
     */
    private boolean override = false;


    /**
     * The original document root for this web application.
     */
    private String originalDocBase = null;
    
    
    /**
     * The privileged flag for this web application.
     */
    private boolean privileged = false;


    /**
     * Should the next call to addWelcomeFile() cause replacement
     * of any existing welcome files?  This will be set before processing the
     * web application's deployment descriptor, so that application specified
     * choices replace, rather than append to, those defined
     * in the global descriptor.
     */
    private boolean replaceWelcomeFiles = false;


    /**
     * The security role mappings for this application, keyed by role
     * name (as used within the application).
     */
    private HashMap roleMappings =
        new HashMap();


    /**
     * The security roles for this application, keyed by role name.
     */
    private String securityRoles[] = new String[0];

    private final Object securityRolesLock = new Object();


    /**
     * The servlet mappings for this web application, keyed by
     * matching pattern.
     */
    private HashMap servletMappings =
        new HashMap();
    
    private final Object servletMappingsLock = new Object();


    /**
     * The session timeout (in minutes) for this web application.
     */
    private int sessionTimeout = 30;

    /**
     * The notification sequence number.
     */
    private AtomicLong sequenceNumber = new AtomicLong(0);
    
    /**
     * The status code error pages for this web application, keyed by
     * HTTP status code (as an Integer).
     */
    private HashMap statusPages =
        new HashMap();


    /**
     * Set flag to true to cause the system.out and system.err to be redirected
     * to the logger when executing a servlet.
     */
    private boolean swallowOutput = false;


    /**
     * Amount of ms that the container will wait for servlets to unload.
     */
    private long unloadDelay = 2000;


    /**
     * The watched resources for this application.
     */
    private String watchedResources[] = new String[0];

    private final Object watchedResourcesLock = new Object();


    /**
     * The welcome files for this application.
     */
    private String welcomeFiles[] = new String[0];

    private final Object welcomeFilesLock = new Object();


    /**
     * The set of classnames of LifecycleListeners that will be added
     * to each newly created Wrapper by createWrapper().
     */
    private String wrapperLifecycles[] = new String[0];

    private final Object wrapperLifecyclesLock = new Object();

    /**
     * The set of classnames of ContainerListeners that will be added
     * to each newly created Wrapper by createWrapper().
     */
    private String wrapperListeners[] = new String[0];

    private final Object wrapperListenersLock = new Object();

    /**
     * The pathname to the work directory for this context (relative to
     * the server's home if not absolute).
     */
    private String workDir = null;


    /**
     * Java class name of the Wrapper class implementation we use.
     */
    private String wrapperClassName = StandardWrapper.class.getName();
    private Class wrapperClass = null;


    /**
     * JNDI use flag.
     */
    private boolean useNaming = true;


    /**
     * Filesystem based flag.
     */
    private boolean filesystemBased = false;


    /**
     * Name of the associated naming context.
     */
    private String namingContextName = null;


    /**
     * Caching allowed flag.
     */
    private boolean cachingAllowed = true;


    /**
     * Allow linking.
     */
    protected boolean allowLinking = false;


    /**
     * Cache max size in KB.
     */
    protected int cacheMaxSize = 10240; // 10 MB


    /**
     * Cache object max size in KB.
     */
    protected int cacheObjectMaxSize = 512; // 512K


    /**
     * Cache TTL in ms.
     */
    protected int cacheTTL = 5000;


    /**
     * List of resource aliases.
     */
    private String aliases = null;


    /**
     * Non proxied resources.
     */
    private DirContext webappResources = null;

    private long startupTime;
    private long startTime;
    private long tldScanTime;

    /** 
     * Name of the engine. If null, the domain is used.
     */ 
    private String j2EEApplication="none";
    private String j2EEServer="none";


    /**
     * Attribute value used to turn on/off XML validation
     */
    private boolean webXmlValidation = Globals.STRICT_SERVLET_COMPLIANCE;


    /**
     * Attribute value used to turn on/off XML namespace validation
     */
    private boolean webXmlNamespaceAware = Globals.STRICT_SERVLET_COMPLIANCE;

    /**
     * Attribute value used to turn on/off TLD processing
     */
    private boolean processTlds = true;

    /**
     * Attribute value used to turn on/off XML validation
     */
    private boolean tldValidation = Globals.STRICT_SERVLET_COMPLIANCE;


    /**
     * Attribute value used to turn on/off TLD XML namespace validation
     */
    private boolean tldNamespaceAware = Globals.STRICT_SERVLET_COMPLIANCE;


    /**
     * Should we save the configuration.
     */
    private boolean saveConfig = true;

    
    /**
     * The name to use for session cookies. null indicates that
     * the name is controlled by the application.
     */
    private String sessionCookieName;
    
    
    /**
     * The flag that indicates that session cookies should use HttpOnly
     */
    private boolean useHttpOnly = true;

    
    /**
     * The domain to use for session cookies. null indicates that
     * the domain is controlled by the application.
     */
    private String sessionCookieDomain;
    
    
    /**
     * The path to use for session cookies. null indicates that
     * the path is controlled by the application.
     */
    private String sessionCookiePath;
    
    
    /**
     * The Jar scanner to use to search for Jars that might contain
     * configuration information such as TLDs or web-fragment.xml files. 
     */
    private JarScanner jarScanner = null;

    /**
     * Should Tomcat attempt to null out any static or final fields from loaded
     * classes when a web application is stopped as a work around for apparent
     * garbage collection bugs and application coding errors? There have been
     * some issues reported with log4j when this option is true. Applications
     * without memory leaks using recent JVMs should operate correctly with this
     * option set to false. If not specified, the default value of
     * false will be used. 
     */
    private boolean clearReferencesStatic = false;
    
    /**
     * Should Tomcat attempt to terminate threads that have been started by the
     * web application? Stopping threads is performed via the deprecated (for
     * good reason) Thread.stop() method and is likely to result in
     * instability. As such, enabling this should be viewed as an option of last
     * resort in a development environment and is not recommended in a
     * production environment. If not specified, the default value of
     * false will be used.
     */
    private boolean clearReferencesStopThreads = false;

    /**
     * Should Tomcat attempt to terminate any {@link java.util.TimerThread}s
     * that have been started by the web application? If not specified, the
     * default value of false will be used.
     */
    private boolean clearReferencesStopTimerThreads = false;

    /**
     * If an HttpClient keep-alive timer thread has been started by this web
     * application and is still running, should Tomcat change the context class
     * loader from the current {@link WebappClassLoader} to
     * {@link WebappClassLoader#parent} to prevent a memory leak? Note that the
     * keep-alive timer thread will stop on its own once the keep-alives all
     * expire however, on a busy system that might not happen for some time.
     */
    private boolean clearReferencesHttpClientKeepAliveThread = true;

    /**
     * Should Tomcat renew the threads of the thread pool when the application
     * is stopped to avoid memory leaks because of uncleaned ThreadLocal
     * variables. This also requires that the threadRenewalDelay property of the
     * StandardThreadExecutor of ThreadPoolExecutor be set to a positive value.
     */
    private boolean renewThreadsWhenStoppingContext = true;
    
    /**
     * Should the effective web.xml be logged when the context starts?
     */
    private boolean logEffectiveWebXml = false;

    private int effectiveMajorVersion = 3;
    
    private int effectiveMinorVersion = 0;

    private JspConfigDescriptor jspConfigDescriptor =
        new ApplicationJspConfigDescriptor();

    private Set resourceOnlyServlets = new HashSet();

    private String webappVersion = "";

    private boolean addWebinfClassesResources = false;

    // ----------------------------------------------------- Context Properties


    public void setAddWebinfClassesResources(
            boolean addWebinfClassesResources) {
        this.addWebinfClassesResources = addWebinfClassesResources;
    }


    public boolean getAddWebinfClassesResources() {
        return addWebinfClassesResources;
    }


    @Override
    public void setWebappVersion(String webappVersion) {
        if (null == webappVersion) {
            this.webappVersion = "";
        } else {
            this.webappVersion = webappVersion;
        }
    }


    @Override
    public String getWebappVersion() {
        return webappVersion;
    }


    @Override
    public String getBaseName() {
        return new ContextName(path, webappVersion).getBaseName();
    }


    @Override
    public String getResourceOnlyServlets() {
        StringBuilder result = new StringBuilder();
        boolean first = true;
        for (String servletName : resourceOnlyServlets) {
            if (!first) {
                result.append(',');
            }
            result.append(servletName);
        }
        return result.toString();
    }


    @Override
    public void setResourceOnlyServlets(String resourceOnlyServlets) {
        this.resourceOnlyServlets.clear();
        if (resourceOnlyServlets == null) {
            return;
        }
        for (String servletName : resourceOnlyServlets.split(",")) {
            servletName = servletName.trim();
            if (servletName.length()>0) {
                this.resourceOnlyServlets.add(servletName);
            }
        }
    }


    @Override
    public boolean isResourceOnlyServlet(String servletName) {
        return resourceOnlyServlets.contains(servletName);
    }


    @Override
    public int getEffectiveMajorVersion() {
        return effectiveMajorVersion;
    }

    @Override
    public void setEffectiveMajorVersion(int effectiveMajorVersion) {
        this.effectiveMajorVersion = effectiveMajorVersion;
    }

    @Override
    public int getEffectiveMinorVersion() {
        return effectiveMinorVersion;
    }

    @Override
    public void setEffectiveMinorVersion(int effectiveMinorVersion) {
        this.effectiveMinorVersion = effectiveMinorVersion;
    }
    
    @Override
    public void setLogEffectiveWebXml(boolean logEffectiveWebXml) {
        this.logEffectiveWebXml = logEffectiveWebXml;
    }
    
    @Override
    public boolean getLogEffectiveWebXml() {
        return logEffectiveWebXml;
    }

    @Override
    public Authenticator getAuthenticator() {
        if (this instanceof Authenticator)
            return (Authenticator) this;
        
        Pipeline pipeline = getPipeline();
        if (pipeline != null) {
            Valve basic = pipeline.getBasic();
            if ((basic != null) && (basic instanceof Authenticator))
                return (Authenticator) basic;
            Valve valves[] = pipeline.getValves();
            for (int i = 0; i < valves.length; i++) {
                if (valves[i] instanceof Authenticator)
                    return (Authenticator) valves[i];
            }
        }
        return null;
    }
    
    @Override
    public JarScanner getJarScanner() {
        if (jarScanner == null) {
            jarScanner = new StandardJarScanner();
        }
        return jarScanner;
    }


    @Override
    public void setJarScanner(JarScanner jarScanner) {
        this.jarScanner = jarScanner;
    }

     
    public InstanceManager getInstanceManager() {
       return instanceManager;
    }


    public void setInstanceManager(InstanceManager instanceManager) {
       this.instanceManager = instanceManager;
    }

    
    @Override
    public String getEncodedPath() {
        return encodedPath;
    }


    /**
     * Is caching allowed ?
     */
    public boolean isCachingAllowed() {
        return cachingAllowed;
    }


    /**
     * Set caching allowed flag.
     */
    public void setCachingAllowed(boolean cachingAllowed) {
        this.cachingAllowed = cachingAllowed;
    }


    /**
     * Set allow linking.
     */
    public void setAllowLinking(boolean allowLinking) {
        this.allowLinking = allowLinking;
    }


    /**
     * Is linking allowed.
     */
    public boolean isAllowLinking() {
        return allowLinking;
    }

    /**
     * Set to true to allow requests mapped to servlets that
     * do not explicitly declare @MultipartConfig or have
     * <multipart-config> specified in web.xml to parse
     * multipart/form-data requests.
     *
     * @param allowCasualMultipartParsing true to allow such
     *        casual parsing, false otherwise.
     */
    @Override
    public void setAllowCasualMultipartParsing(
            boolean allowCasualMultipartParsing) {
        this.allowCasualMultipartParsing = allowCasualMultipartParsing;
    }

    /**
     * Returns true if requests mapped to servlets without
     * "multipart config" to parse multipart/form-data requests anyway.
     *
     * @return true if requests mapped to servlets without
     *    "multipart config" to parse multipart/form-data requests,
     *    false otherwise.
     */
    @Override
    public boolean getAllowCasualMultipartParsing() {
        return this.allowCasualMultipartParsing;
    }

    /**
     * Set cache TTL.
     */
    public void setCacheTTL(int cacheTTL) {
        this.cacheTTL = cacheTTL;
    }


    /**
     * Get cache TTL.
     */
    public int getCacheTTL() {
        return cacheTTL;
    }


    /**
     * Return the maximum size of the cache in KB.
     */
    public int getCacheMaxSize() {
        return cacheMaxSize;
    }


    /**
     * Set the maximum size of the cache in KB.
     */
    public void setCacheMaxSize(int cacheMaxSize) {
        this.cacheMaxSize = cacheMaxSize;
    }


    /**
     * Return the maximum size of objects to be cached in KB.
     */
    public int getCacheObjectMaxSize() {
        return cacheObjectMaxSize;
    }


    /**
     * Set the maximum size of objects to be placed the cache in KB.
     */
    public void setCacheObjectMaxSize(int cacheObjectMaxSize) {
        this.cacheObjectMaxSize = cacheObjectMaxSize;
    }


    /**
     * Return the list of resource aliases. 
     */
    public String getAliases() {
        return this.aliases;
    }


    /**
     * Add a URL for a JAR that contains static resources in a
     * META-INF/resources directory that should be included in the static
     * resources for this context.
     */
    @Override
    public void addResourceJarUrl(URL url) {
        if (webappResources instanceof BaseDirContext) {
            ((BaseDirContext) webappResources).addResourcesJar(url);
        } else {
            log.error(sm.getString("standardContext.noResourceJar", url,
                    getName()));
        }
    }
    
    
    /**
     * Set the current alias configuration. The list of aliases should be of the
     * form "/aliasPath1=docBase1,/aliasPath2=docBase2" where aliasPathN must
     * include a leading '/' and docBaseN must be an absolute path to either a
     * .war file or a directory.
     */
    public void setAliases(String aliases) {
        this.aliases = aliases;
    }
    
    
    /**
     * Add a ServletContainerInitializer instance to this web application.
     * 
     * @param sci       The instance to add
     * @param classes   The classes in which the initializer expressed an
     *                  interest
     */
    @Override
    public void addServletContainerInitializer(
            ServletContainerInitializer sci, Set> classes) {
        initializers.put(sci, classes);
    }

    
    /**
     * Return the "follow standard delegation model" flag used to configure
     * our ClassLoader.
     */
    public boolean getDelegate() {

        return (this.delegate);

    }


    /**
     * Set the "follow standard delegation model" flag used to configure
     * our ClassLoader.
     *
     * @param delegate The new flag
     */
    public void setDelegate(boolean delegate) {

        boolean oldDelegate = this.delegate;
        this.delegate = delegate;
        support.firePropertyChange("delegate", oldDelegate,
                                   this.delegate);

    }


    /**
     * Returns true if the internal naming support is used.
     */
    public boolean isUseNaming() {

        return (useNaming);

    }


    /**
     * Enables or disables naming.
     */
    public void setUseNaming(boolean useNaming) {
        this.useNaming = useNaming;
    }


    /**
     * Returns true if the resources associated with this context are
     * filesystem based.
     */
    public boolean isFilesystemBased() {

        return (filesystemBased);

    }


    /**
     * Return the set of initialized application event listener objects,
     * in the order they were specified in the web application deployment
     * descriptor, for this application.
     *
     * @exception IllegalStateException if this method is called before
     *  this application has started, or after it has been stopped
     */
    @Override
    public Object[] getApplicationEventListeners() {
        return (applicationEventListenersObjects);
    }


    /**
     * Store the set of initialized application event listener objects,
     * in the order they were specified in the web application deployment
     * descriptor, for this application.
     *
     * @param listeners The set of instantiated listener objects.
     */
    @Override
    public void setApplicationEventListeners(Object listeners[]) {
        applicationEventListenersObjects = listeners;
    }


    /**
     * Add a listener to the end of the list of initialized application event
     * listeners.
     */
    public void addApplicationEventListener(Object listener) {
        int len = applicationEventListenersObjects.length;
        Object[] newListeners = Arrays.copyOf(applicationEventListenersObjects,
                len + 1);
        newListeners[len] = listener;
        applicationEventListenersObjects = newListeners;
    }
    
    
    /**
     * Return the set of initialized application lifecycle listener objects,
     * in the order they were specified in the web application deployment
     * descriptor, for this application.
     *
     * @exception IllegalStateException if this method is called before
     *  this application has started, or after it has been stopped
     */
    @Override
    public Object[] getApplicationLifecycleListeners() {
        return (applicationLifecycleListenersObjects);
    }


    /**
     * Store the set of initialized application lifecycle listener objects,
     * in the order they were specified in the web application deployment
     * descriptor, for this application.
     *
     * @param listeners The set of instantiated listener objects.
     */
    @Override
    public void setApplicationLifecycleListeners(Object listeners[]) {
        applicationLifecycleListenersObjects = listeners;
    }


    /**
     * Add a listener to the end of the list of initialized application
     * lifecycle listeners.
     */
    public void addApplicationLifecycleListener(Object listener) {
        int len = applicationLifecycleListenersObjects.length;
        Object[] newListeners = Arrays.copyOf(
                applicationLifecycleListenersObjects, len + 1);
        newListeners[len] = listener;
        applicationLifecycleListenersObjects = newListeners;
    }

    
    /**
     * Return the antiJARLocking flag for this Context.
     */
    public boolean getAntiJARLocking() {

        return (this.antiJARLocking);

    }


    /**
     * Return the antiResourceLocking flag for this Context.
     */
    public boolean getAntiResourceLocking() {

        return (this.antiResourceLocking);

    }


    /**
     * Set the antiJARLocking feature for this Context.
     *
     * @param antiJARLocking The new flag value
     */
    public void setAntiJARLocking(boolean antiJARLocking) {

        boolean oldAntiJARLocking = this.antiJARLocking;
        this.antiJARLocking = antiJARLocking;
        support.firePropertyChange("antiJARLocking",
                                   oldAntiJARLocking,
                                   this.antiJARLocking);

    }


    /**
     * Set the antiResourceLocking feature for this Context.
     *
     * @param antiResourceLocking The new flag value
     */
    public void setAntiResourceLocking(boolean antiResourceLocking) {

        boolean oldAntiResourceLocking = this.antiResourceLocking;
        this.antiResourceLocking = antiResourceLocking;
        support.firePropertyChange("antiResourceLocking",
                                   oldAntiResourceLocking,
                                   this.antiResourceLocking);

    }


    /**
     * Return the application available flag for this Context.
     */
    @Override
    public boolean getAvailable() {

        // TODO Remove this method entirely
        return getState().isAvailable();

    }


    /**
     * Return the Locale to character set mapper for this Context.
     */
    @Override
    public CharsetMapper getCharsetMapper() {

        // Create a mapper the first time it is requested
        if (this.charsetMapper == null) {
            try {
                Class clazz = Class.forName(charsetMapperClass);
                this.charsetMapper = (CharsetMapper) clazz.newInstance();
            } catch (Throwable t) {
                ExceptionUtils.handleThrowable(t);
                this.charsetMapper = new CharsetMapper();
            }
        }

        return (this.charsetMapper);

    }


    /**
     * Set the Locale to character set mapper for this Context.
     *
     * @param mapper The new mapper
     */
    @Override
    public void setCharsetMapper(CharsetMapper mapper) {

        CharsetMapper oldCharsetMapper = this.charsetMapper;
        this.charsetMapper = mapper;
        if( mapper != null )
            this.charsetMapperClass= mapper.getClass().getName();
        support.firePropertyChange("charsetMapper", oldCharsetMapper,
                                   this.charsetMapper);

    }

    /**
     * Return the URL of the XML descriptor for this context.
     */
    @Override
    public URL getConfigFile() {

        return (this.configFile);

    }


    /**
     * Set the URL of the XML descriptor for this context.
     *
     * @param configFile The URL of the XML descriptor for this context.
     */
    @Override
    public void setConfigFile(URL configFile) {

        this.configFile = configFile;
    }


    /**
     * Return the "correctly configured" flag for this Context.
     */
    @Override
    public boolean getConfigured() {

        return (this.configured);

    }


    /**
     * Set the "correctly configured" flag for this Context.  This can be
     * set to false by startup listeners that detect a fatal configuration
     * error to avoid the application from being made available.
     *
     * @param configured The new correctly configured flag
     */
    @Override
    public void setConfigured(boolean configured) {

        boolean oldConfigured = this.configured;
        this.configured = configured;
        support.firePropertyChange("configured",
                                   oldConfigured,
                                   this.configured);

    }


    /**
     * Return the "use cookies for session ids" flag.
     */
    @Override
    public boolean getCookies() {

        return (this.cookies);

    }


    /**
     * Set the "use cookies for session ids" flag.
     *
     * @param cookies The new flag
     */
    @Override
    public void setCookies(boolean cookies) {

        boolean oldCookies = this.cookies;
        this.cookies = cookies;
        support.firePropertyChange("cookies",
                                   oldCookies,
                                   this.cookies);

    }
    
    
    /**
     * Gets the name to use for session cookies. Overrides any setting that
     * may be specified by the application.
     * 
     * @return  The value of the default session cookie name or null if not
     *          specified
     */
    @Override
    public String getSessionCookieName() {
        return sessionCookieName;
    }
    
    
    /**
     * Sets the name to use for session cookies. Overrides any setting that
     * may be specified by the application.
     * 
     * @param sessionCookieName   The name to use
     */
    @Override
    public void setSessionCookieName(String sessionCookieName) {
        String oldSessionCookieName = this.sessionCookieName;
        this.sessionCookieName = sessionCookieName;
        support.firePropertyChange("sessionCookieName",
                oldSessionCookieName, sessionCookieName);
    }

    
    /**
     * Gets the value of the use HttpOnly cookies for session cookies flag.
     * 
     * @return true if the HttpOnly flag should be set on session
     *         cookies
     */
    @Override
    public boolean getUseHttpOnly() {
        return useHttpOnly;
    }


    /**
     * Sets the use HttpOnly cookies for session cookies flag.
     * 
     * @param useHttpOnly   Set to true to use HttpOnly cookies
     *                          for session cookies
     */
    @Override
    public void setUseHttpOnly(boolean useHttpOnly) {
        boolean oldUseHttpOnly = this.useHttpOnly;
        this.useHttpOnly = useHttpOnly;
        support.firePropertyChange("useHttpOnly",
                oldUseHttpOnly,
                this.useHttpOnly);
    }
    
    
    /**
     * Gets the domain to use for session cookies. Overrides any setting that
     * may be specified by the application.
     * 
     * @return  The value of the default session cookie domain or null if not
     *          specified
     */
    @Override
    public String getSessionCookieDomain() {
        return sessionCookieDomain;
    }
    
    
    /**
     * Sets the domain to use for session cookies. Overrides any setting that
     * may be specified by the application.
     * 
     * @param sessionCookieDomain   The domain to use
     */
    @Override
    public void setSessionCookieDomain(String sessionCookieDomain) {
        String oldSessionCookieDomain = this.sessionCookieDomain;
        this.sessionCookieDomain = sessionCookieDomain;
        support.firePropertyChange("sessionCookieDomain",
                oldSessionCookieDomain, sessionCookieDomain);
    }
    

    /**
     * Gets the path to use for session cookies. Overrides any setting that
     * may be specified by the application.
     * 
     * @return  The value of the default session cookie path or null if not
     *          specified
     */
    @Override
    public String getSessionCookiePath() {
        return sessionCookiePath;
    }
    
    
    /**
     * Sets the path to use for session cookies. Overrides any setting that
     * may be specified by the application.
     * 
     * @param sessionCookiePath   The path to use
     */
    @Override
    public void setSessionCookiePath(String sessionCookiePath) {
        String oldSessionCookiePath = this.sessionCookiePath;
        this.sessionCookiePath = sessionCookiePath;
        support.firePropertyChange("sessionCookiePath",
                oldSessionCookiePath, sessionCookiePath);
    }
    

    /**
     * Return the "allow crossing servlet contexts" flag.
     */
    @Override
    public boolean getCrossContext() {

        return (this.crossContext);

    }


    /**
     * Set the "allow crossing servlet contexts" flag.
     *
     * @param crossContext The new cross contexts flag
     */
    @Override
    public void setCrossContext(boolean crossContext) {

        boolean oldCrossContext = this.crossContext;
        this.crossContext = crossContext;
        support.firePropertyChange("crossContext",
                                   oldCrossContext,
                                   this.crossContext);

    }

    public String getDefaultContextXml() {
        return defaultContextXml;
    }

    /** 
     * Set the location of the default context xml that will be used.
     * If not absolute, it'll be made relative to the engine's base dir
     * ( which defaults to catalina.base system property ).
     *
     * @param defaultContextXml The default web xml 
     */
    public void setDefaultContextXml(String defaultContextXml) {
        this.defaultContextXml = defaultContextXml;
    }

    public String getDefaultWebXml() {
        return defaultWebXml;
    }

    /** 
     * Set the location of the default web xml that will be used.
     * If not absolute, it'll be made relative to the engine's base dir
     * ( which defaults to catalina.base system property ).
     *
     * @param defaultWebXml The default web xml 
     */
    public void setDefaultWebXml(String defaultWebXml) {
        this.defaultWebXml = defaultWebXml;
    }

    /**
     * Gets the time (in milliseconds) it took to start this context.
     *
     * @return Time (in milliseconds) it took to start this context.
     */
    public long getStartupTime() {
        return startupTime;
    }

    public void setStartupTime(long startupTime) {
        this.startupTime = startupTime;
    }

    public long getTldScanTime() {
        return tldScanTime;
    }

    public void setTldScanTime(long tldScanTime) {
        this.tldScanTime = tldScanTime;
    }

    /**
     * Return the display name of this web application.
     */
    @Override
    public String getDisplayName() {

        return (this.displayName);

    }


    /**
     * Return the alternate Deployment Descriptor name.
     */
    @Override
    public String getAltDDName(){
        return altDDName;
    }


    /**
     * Set an alternate Deployment Descriptor name.
     */
    @Override
    public void setAltDDName(String altDDName) {
        this.altDDName = altDDName;
        if (context != null) {
            context.setAttribute(Globals.ALT_DD_ATTR,altDDName);
        }
    }


    /**
     * Return the compiler classpath.
     */
    public String getCompilerClasspath(){
        return compilerClasspath;
    }


    /**
     * Set the compiler classpath.
     */
    public void setCompilerClasspath(String compilerClasspath) {
        this.compilerClasspath = compilerClasspath;
    }


    /**
     * Set the display name of this web application.
     *
     * @param displayName The new display name
     */
    @Override
    public void setDisplayName(String displayName) {

        String oldDisplayName = this.displayName;
        this.displayName = displayName;
        support.firePropertyChange("displayName", oldDisplayName,
                                   this.displayName);
    }


    /**
     * Return the distributable flag for this web application.
     */
    @Override
    public boolean getDistributable() {

        return (this.distributable);

    }

    /**
     * Set the distributable flag for this web application.
     *
     * @param distributable The new distributable flag
     */
    @Override
    public void setDistributable(boolean distributable) {
        boolean oldDistributable = this.distributable;
        this.distributable = distributable;
        support.firePropertyChange("distributable",
                                   oldDistributable,
                                   this.distributable);

        // Bugzilla 32866
        if(getManager() != null) {
            if(log.isDebugEnabled()) {
                log.debug("Propagating distributable=" + distributable
                          + " to manager");
            }
            getManager().setDistributable(distributable);
        }
    }


    /**
     * Return the document root for this Context.  This can be an absolute
     * pathname, a relative pathname, or a URL.
     */
    @Override
    public String getDocBase() {

        return (this.docBase);

    }


    /**
     * Set the document root for this Context.  This can be an absolute
     * pathname, a relative pathname, or a URL.
     *
     * @param docBase The new document root
     */
    @Override
    public void setDocBase(String docBase) {

        this.docBase = docBase;

    }

    /**
     * Return descriptive information about this Container implementation and
     * the corresponding version number, in the format
     * <description>/<version>.
     */
    @Override
    public String getInfo() {

        return (info);

    }

    public String getJ2EEApplication() {
        return j2EEApplication;
    }

    public void setJ2EEApplication(String j2EEApplication) {
        this.j2EEApplication = j2EEApplication;
    }

    public String getJ2EEServer() {
        return j2EEServer;
    }

    public void setJ2EEServer(String j2EEServer) {
        this.j2EEServer = j2EEServer;
    }


    /**
     * Set the Loader with which this Context is associated.
     *
     * @param loader The newly associated loader
     */
    @Override
    public synchronized void setLoader(Loader loader) {

        super.setLoader(loader);

    }


    /**
     * Return the boolean on the annotations parsing.
     */
    @Override
    public boolean getIgnoreAnnotations() {
        return this.ignoreAnnotations;
    }
    
    
    /**
     * Set the boolean on the annotations parsing for this web 
     * application.
     * 
     * @param ignoreAnnotations The boolean on the annotations parsing
     */
    @Override
    public void setIgnoreAnnotations(boolean ignoreAnnotations) {
        boolean oldIgnoreAnnotations = this.ignoreAnnotations;
        this.ignoreAnnotations = ignoreAnnotations;
        support.firePropertyChange("ignoreAnnotations", oldIgnoreAnnotations,
                this.ignoreAnnotations);
    }
    
    
    /**
     * Return the login configuration descriptor for this web application.
     */
    @Override
    public LoginConfig getLoginConfig() {

        return (this.loginConfig);

    }


    /**
     * Set the login configuration descriptor for this web application.
     *
     * @param config The new login configuration
     */
    @Override
    public void setLoginConfig(LoginConfig config) {

        // Validate the incoming property value
        if (config == null)
            throw new IllegalArgumentException
                (sm.getString("standardContext.loginConfig.required"));
        String loginPage = config.getLoginPage();
        if ((loginPage != null) && !loginPage.startsWith("/")) {
            if (isServlet22()) {
                if(log.isDebugEnabled())
                    log.debug(sm.getString("standardContext.loginConfig.loginWarning",
                                 loginPage));
                config.setLoginPage("/" + loginPage);
            } else {
                throw new IllegalArgumentException
                    (sm.getString("standardContext.loginConfig.loginPage",
                                  loginPage));
            }
        }
        String errorPage = config.getErrorPage();
        if ((errorPage != null) && !errorPage.startsWith("/")) {
            if (isServlet22()) {
                if(log.isDebugEnabled())
                    log.debug(sm.getString("standardContext.loginConfig.errorWarning",
                                 errorPage));
                config.setErrorPage("/" + errorPage);
            } else {
                throw new IllegalArgumentException
                    (sm.getString("standardContext.loginConfig.errorPage",
                                  errorPage));
            }
        }

        // Process the property setting change
        LoginConfig oldLoginConfig = this.loginConfig;
        this.loginConfig = config;
        support.firePropertyChange("loginConfig",
                                   oldLoginConfig, this.loginConfig);

    }


    /**
     * Get the mapper associated with the context.
     */
    @Override
    public org.apache.tomcat.util.http.mapper.Mapper getMapper() {
        return (mapper);
    }


    /**
     * Return the naming resources associated with this web application.
     */
    @Override
    public NamingResources getNamingResources() {

        if (namingResources == null) {
            setNamingResources(new NamingResources());
        }
        return (namingResources);

    }


    /**
     * Set the naming resources for this web application.
     *
     * @param namingResources The new naming resources
     */
    @Override
    public void setNamingResources(NamingResources namingResources) {

        // Process the property setting change
        NamingResources oldNamingResources = this.namingResources;
        this.namingResources = namingResources;
        namingResources.setContainer(this);
        support.firePropertyChange("namingResources",
                                   oldNamingResources, this.namingResources);
        
        // If set from server.xml, getObjectKeyPropertiesNameOnly() will
        // trigger an NPE. Initial registration takes place on INIT. 
        if (getState() != LifecycleState.NEW) {
            unregister(onameNamingResources);
            onameNamingResources = register(namingResources,
                    "type=NamingResources," + getObjectKeyPropertiesNameOnly());
        }
    }


    /**
     * Return the context path for this Context.
     */
    @Override
    public String getPath() {
        return (path);
    }


    /**
     * Set the context path for this Context.
     * 
     * @param path The new context path
     */
    @Override
    public void setPath(String path) {
        this.path = path;
        encodedPath = urlEncoder.encode(path);
        if (getName() == null) {
            setName(path);
        }
    }


    /**
     * Return the public identifier of the deployment descriptor DTD that is
     * currently being parsed.
     */
    @Override
    public String getPublicId() {

        return (this.publicId);

    }


    /**
     * Set the public identifier of the deployment descriptor DTD that is
     * currently being parsed.
     *
     * @param publicId The public identifier
     */
    @Override
    public void setPublicId(String publicId) {

        if (log.isDebugEnabled())
            log.debug("Setting deployment descriptor public ID to '" +
                publicId + "'");

        String oldPublicId = this.publicId;
        this.publicId = publicId;
        support.firePropertyChange("publicId", oldPublicId, publicId);

    }


    /**
     * Return the reloadable flag for this web application.
     */
    @Override
    public boolean getReloadable() {

        return (this.reloadable);

    }


    /**
     * Return the default context override flag for this web application.
     */
    @Override
    public boolean getOverride() {

        return (this.override);

    }


    /**
     * Return the original document root for this Context.  This can be an absolute
     * pathname, a relative pathname, or a URL.
     * Is only set as deployment has change docRoot!
     */
    public String getOriginalDocBase() {

        return (this.originalDocBase);

    }

    /**
     * Set the original document root for this Context.  This can be an absolute
     * pathname, a relative pathname, or a URL.
     *
     * @param docBase The original document root
     */
    public void setOriginalDocBase(String docBase) {

        this.originalDocBase = docBase;
    }
    

    /**
     * Return the parent class loader (if any) for this web application.
     * This call is meaningful only after a Loader has
     * been configured.
     */
    @Override
    public ClassLoader getParentClassLoader() {
        if (parentClassLoader != null)
            return (parentClassLoader);
        if (getPrivileged()) {
            return this.getClass().getClassLoader();
        } else if (parent != null) {
            return (parent.getParentClassLoader());
        }
        return (ClassLoader.getSystemClassLoader());
    }

    
    /**
     * Return the privileged flag for this web application.
     */
    @Override
    public boolean getPrivileged() {

        return (this.privileged);

    }


    /**
     * Set the privileged flag for this web application.
     *
     * @param privileged The new privileged flag
     */
    @Override
    public void setPrivileged(boolean privileged) {

        boolean oldPrivileged = this.privileged;
        this.privileged = privileged;
        support.firePropertyChange("privileged",
                                   oldPrivileged,
                                   this.privileged);

    }


    /**
     * Set the reloadable flag for this web application.
     *
     * @param reloadable The new reloadable flag
     */
    @Override
    public void setReloadable(boolean reloadable) {

        boolean oldReloadable = this.reloadable;
        this.reloadable = reloadable;
        support.firePropertyChange("reloadable",
                                   oldReloadable,
                                   this.reloadable);

    }


    /**
     * Set the default context override flag for this web application.
     *
     * @param override The new override flag
     */
    @Override
    public void setOverride(boolean override) {

        boolean oldOverride = this.override;
        this.override = override;
        support.firePropertyChange("override",
                                   oldOverride,
                                   this.override);

    }


    /**
     * Return the "replace welcome files" property.
     */
    public boolean isReplaceWelcomeFiles() {

        return (this.replaceWelcomeFiles);

    }


    /**
     * Set the "replace welcome files" property.
     *
     * @param replaceWelcomeFiles The new property value
     */
    public void setReplaceWelcomeFiles(boolean replaceWelcomeFiles) {

        boolean oldReplaceWelcomeFiles = this.replaceWelcomeFiles;
        this.replaceWelcomeFiles = replaceWelcomeFiles;
        support.firePropertyChange("replaceWelcomeFiles",
                                   oldReplaceWelcomeFiles,
                                   this.replaceWelcomeFiles);

    }


    /**
     * Return the servlet context for which this Context is a facade.
     */
    @Override
    public ServletContext getServletContext() {

        if (context == null) {
            context = new ApplicationContext(this);
            if (altDDName != null)
                context.setAttribute(Globals.ALT_DD_ATTR,altDDName);
        }
        return (context.getFacade());

    }


    /**
     * Return the default session timeout (in minutes) for this
     * web application.
     */
    @Override
    public int getSessionTimeout() {

        return (this.sessionTimeout);

    }


    /**
     * Set the default session timeout (in minutes) for this
     * web application.
     *
     * @param timeout The new default session timeout
     */
    @Override
    public void setSessionTimeout(int timeout) {

        int oldSessionTimeout = this.sessionTimeout;
        /*
         * SRV.13.4 ("Deployment Descriptor"):
         * If the timeout is 0 or less, the container ensures the default
         * behaviour of sessions is never to time out.
         */
        this.sessionTimeout = (timeout == 0) ? -1 : timeout;
        support.firePropertyChange("sessionTimeout",
                                   oldSessionTimeout,
                                   this.sessionTimeout);

    }


    /**
     * Return the value of the swallowOutput flag.
     */
    @Override
    public boolean getSwallowOutput() {

        return (this.swallowOutput);

    }


    /**
     * Set the value of the swallowOutput flag. If set to true, the system.out
     * and system.err will be redirected to the logger during a servlet
     * execution.
     *
     * @param swallowOutput The new value
     */
    @Override
    public void setSwallowOutput(boolean swallowOutput) {

        boolean oldSwallowOutput = this.swallowOutput;
        this.swallowOutput = swallowOutput;
        support.firePropertyChange("swallowOutput",
                                   oldSwallowOutput,
                                   this.swallowOutput);

    }


    /**
     * Return the value of the unloadDelay flag.
     */
    public long getUnloadDelay() {

        return (this.unloadDelay);

    }


    /**
     * Set the value of the unloadDelay flag, which represents the amount
     * of ms that the container will wait when unloading servlets.
     * Setting this to a small value may cause more requests to fail 
     * to complete when stopping a web application.
     *
     * @param unloadDelay The new value
     */
    public void setUnloadDelay(long unloadDelay) {

        long oldUnloadDelay = this.unloadDelay;
        this.unloadDelay = unloadDelay;
        support.firePropertyChange("unloadDelay",
                                   Long.valueOf(oldUnloadDelay),
                                   Long.valueOf(this.unloadDelay));

    }


    /**
     * Unpack WAR flag accessor.
     */
    public boolean getUnpackWAR() {

        return (unpackWAR);

    }


    /**
     * Unpack WAR flag mutator.
     */
    public void setUnpackWAR(boolean unpackWAR) {

        this.unpackWAR = unpackWAR;

    }

    /**
     * Return the Java class name of the Wrapper implementation used
     * for servlets registered in this Context.
     */
    @Override
    public String getWrapperClass() {

        return (this.wrapperClassName);

    }


    /**
     * Set the Java class name of the Wrapper implementation used
     * for servlets registered in this Context.
     *
     * @param wrapperClassName The new wrapper class name
     *
     * @throws IllegalArgumentException if the specified wrapper class
     * cannot be found or is not a subclass of StandardWrapper
     */
    @Override
    public void setWrapperClass(String wrapperClassName) {

        this.wrapperClassName = wrapperClassName;

        try {
            wrapperClass = Class.forName(wrapperClassName);         
            if (!StandardWrapper.class.isAssignableFrom(wrapperClass)) {
                throw new IllegalArgumentException(
                    sm.getString("standardContext.invalidWrapperClass",
                                 wrapperClassName));
            }
        } catch (ClassNotFoundException cnfe) {
            throw new IllegalArgumentException(cnfe.getMessage());
        }
    }


    /**
     * Set the resources DirContext object with which this Container is
     * associated.
     *
     * @param resources The newly associated DirContext
     */
    @Override
    public synchronized void setResources(DirContext resources) {

        if (getState().isAvailable()) {
            throw new IllegalStateException
                (sm.getString("standardContext.resources.started"));
        }

        DirContext oldResources = this.webappResources;
        if (oldResources == resources)
            return;

        if (resources instanceof BaseDirContext) {
            // Caching
            ((BaseDirContext) resources).setCached(isCachingAllowed());
            ((BaseDirContext) resources).setCacheTTL(getCacheTTL());
            ((BaseDirContext) resources).setCacheMaxSize(getCacheMaxSize());
            ((BaseDirContext) resources).setCacheObjectMaxSize(
                    getCacheObjectMaxSize());
            // Alias support
            ((BaseDirContext) resources).setAliases(getAliases());
        }
        if (resources instanceof FileDirContext) {
            filesystemBased = true;
            ((FileDirContext) resources).setAllowLinking(isAllowLinking());
        }
        this.webappResources = resources;

        // The proxied resources will be refreshed on start
        this.resources = null;

        support.firePropertyChange("resources", oldResources,
                                   this.webappResources);

    }

    
    @Override
    public JspConfigDescriptor getJspConfigDescriptor() {
        return jspConfigDescriptor;
    }


    // ------------------------------------------------------ Public Properties


    /**
     * Return the Locale to character set mapper class for this Context.
     */
    public String getCharsetMapperClass() {

        return (this.charsetMapperClass);

    }


    /**
     * Set the Locale to character set mapper class for this Context.
     *
     * @param mapper The new mapper class
     */
    public void setCharsetMapperClass(String mapper) {

        String oldCharsetMapperClass = this.charsetMapperClass;
        this.charsetMapperClass = mapper;
        support.firePropertyChange("charsetMapperClass",
                                   oldCharsetMapperClass,
                                   this.charsetMapperClass);

    }


    /** Get the absolute path to the work dir.
     *  To avoid duplication.
     * 
     * @return The work path
     */ 
    public String getWorkPath() {
        if (getWorkDir() == null) {
            return null;
        }
        File workDir = new File(getWorkDir());
        if (!workDir.isAbsolute()) {
            File catalinaHome = engineBase();
            String catalinaHomePath = null;
            try {
                catalinaHomePath = catalinaHome.getCanonicalPath();
                workDir = new File(catalinaHomePath,
                        getWorkDir());
            } catch (IOException e) {
                log.warn(sm.getString("standardContext.workPath", getName()),
                        e);
            }
        }
        return workDir.getAbsolutePath();
    }
    
    /**
     * Return the work directory for this Context.
     */
    public String getWorkDir() {

        return (this.workDir);

    }


    /**
     * Set the work directory for this Context.
     *
     * @param workDir The new work directory
     */
    public void setWorkDir(String workDir) {

        this.workDir = workDir;

        if (getState().isAvailable()) {
            postWorkDirectory();
        }
    }


    /**
     * Save config ?
     */
    public boolean isSaveConfig() {
        return saveConfig;
    }


    /**
     * Set save config flag.
     */
    public void setSaveConfig(boolean saveConfig) {
        this.saveConfig = saveConfig;
    }


    /**
     * Return the clearReferencesStatic flag for this Context.
     */
    public boolean getClearReferencesStatic() {

        return (this.clearReferencesStatic);

    }


    /**
     * Set the clearReferencesStatic feature for this Context.
     *
     * @param clearReferencesStatic The new flag value
     */
    public void setClearReferencesStatic(boolean clearReferencesStatic) {

        boolean oldClearReferencesStatic = this.clearReferencesStatic;
        this.clearReferencesStatic = clearReferencesStatic;
        support.firePropertyChange("clearReferencesStatic",
                                   oldClearReferencesStatic,
                                   this.clearReferencesStatic);

    }


    /**
     * Return the clearReferencesStopThreads flag for this Context.
     */
    public boolean getClearReferencesStopThreads() {

        return (this.clearReferencesStopThreads);

    }


    /**
     * Set the clearReferencesStopThreads feature for this Context.
     *
     * @param clearReferencesStopThreads The new flag value
     */
    public void setClearReferencesStopThreads(
            boolean clearReferencesStopThreads) {

        boolean oldClearReferencesStopThreads = this.clearReferencesStopThreads;
        this.clearReferencesStopThreads = clearReferencesStopThreads;
        support.firePropertyChange("clearReferencesStopThreads",
                                   oldClearReferencesStopThreads,
                                   this.clearReferencesStopThreads);

    }


    /**
     * Return the clearReferencesStopTimerThreads flag for this Context.
     */
    public boolean getClearReferencesStopTimerThreads() {
        return (this.clearReferencesStopTimerThreads);
    }


    /**
     * Set the clearReferencesStopTimerThreads feature for this Context.
     *
     * @param clearReferencesStopTimerThreads The new flag value
     */
    public void setClearReferencesStopTimerThreads(
            boolean clearReferencesStopTimerThreads) {

        boolean oldClearReferencesStopTimerThreads =
            this.clearReferencesStopTimerThreads;
        this.clearReferencesStopTimerThreads = clearReferencesStopTimerThreads;
        support.firePropertyChange("clearReferencesStopTimerThreads",
                                   oldClearReferencesStopTimerThreads,
                                   this.clearReferencesStopTimerThreads);
    }


    /**
     * Return the clearReferencesHttpClientKeepAliveThread flag for this
     * Context.
     */
    public boolean getClearReferencesHttpClientKeepAliveThread() {
        return (this.clearReferencesHttpClientKeepAliveThread);
    }


    /**
     * Set the clearReferencesHttpClientKeepAliveThread feature for this
     * Context.
     *
     * @param clearReferencesHttpClientKeepAliveThread The new flag value
     */
    public void setClearReferencesHttpClientKeepAliveThread(
            boolean clearReferencesHttpClientKeepAliveThread) {
        this.clearReferencesHttpClientKeepAliveThread =
            clearReferencesHttpClientKeepAliveThread;
    }


    public boolean getRenewThreadsWhenStoppingContext() {
        return this.renewThreadsWhenStoppingContext;
    }

    public void setRenewThreadsWhenStoppingContext(
            boolean renewThreadsWhenStoppingContext) {
        boolean oldRenewThreadsWhenStoppingContext =
                this.renewThreadsWhenStoppingContext;
        this.renewThreadsWhenStoppingContext = renewThreadsWhenStoppingContext;
        support.firePropertyChange("renewThreadsWhenStoppingContext",
                oldRenewThreadsWhenStoppingContext,
                this.renewThreadsWhenStoppingContext);
    }

    // -------------------------------------------------------- Context Methods


    /**
     * Add a new Listener class name to the set of Listeners
     * configured for this application.
     *
     * @param listener Java class name of a listener class
     */
    @Override
    public void addApplicationListener(String listener) {

        synchronized (applicationListenersLock) {
            String results[] =new String[applicationListeners.length + 1];
            for (int i = 0; i < applicationListeners.length; i++) {
                if (listener.equals(applicationListeners[i])) {
                    log.info(sm.getString(
                            "standardContext.duplicateListener",listener));
                    return;
                }
                results[i] = applicationListeners[i];
            }
            results[applicationListeners.length] = listener;
            applicationListeners = results;
        }
        fireContainerEvent("addApplicationListener", listener);

        // FIXME - add instance if already started?

    }


    /**
     * Add a new application parameter for this application.
     *
     * @param parameter The new application parameter
     */
    @Override
    public void addApplicationParameter(ApplicationParameter parameter) {

        synchronized (applicationParametersLock) {
            String newName = parameter.getName();
            for (ApplicationParameter p : applicationParameters) {
                if (newName.equals(p.getName()) && !p.getOverride())
                    return;
            }
            ApplicationParameter results[] = Arrays.copyOf(
                    applicationParameters, applicationParameters.length + 1);
            results[applicationParameters.length] = parameter;
            applicationParameters = results;
        }
        fireContainerEvent("addApplicationParameter", parameter);

    }


    /**
     * Add a child Container, only if the proposed child is an implementation
     * of Wrapper.
     *
     * @param child Child container to be added
     *
     * @exception IllegalArgumentException if the proposed container is
     *  not an implementation of Wrapper
     */
    @Override
    public void addChild(Container child) {

        // Global JspServlet
        Wrapper oldJspServlet = null;

        if (!(child instanceof Wrapper)) {
            throw new IllegalArgumentException
                (sm.getString("standardContext.notWrapper"));
        }

        boolean isJspServlet = "jsp".equals(child.getName());

        // Allow webapp to override JspServlet inherited from global web.xml.
        if (isJspServlet) {
            oldJspServlet = (Wrapper) findChild("jsp");
            if (oldJspServlet != null) {
                removeChild(oldJspServlet);
            }
        }

        super.addChild(child);

        if (isJspServlet && oldJspServlet != null) {
            /*
             * The webapp-specific JspServlet inherits all the mappings
             * specified in the global web.xml, and may add additional ones.
             */
            String[] jspMappings = oldJspServlet.findMappings();
            for (int i=0; jspMappings!=null && i 0 &&
                    collections[i].findOmittedMethods().length > 0) {
                throw new IllegalArgumentException(sm.getString(
                        "standardContext.securityConstraint.mixHttpMethod"));
            }
        }

        // Add this constraint to the set for our web application
        synchronized (constraintsLock) {
            SecurityConstraint results[] =
                new SecurityConstraint[constraints.length + 1];
            for (int i = 0; i < constraints.length; i++)
                results[i] = constraints[i];
            results[constraints.length] = constraint;
            constraints = results;
        }

    }



    /**
     * Add an error page for the specified error or Java exception.
     *
     * @param errorPage The error page definition to be added
     */
    @Override
    public void addErrorPage(ErrorPage errorPage) {
        // Validate the input parameters
        if (errorPage == null)
            throw new IllegalArgumentException
                (sm.getString("standardContext.errorPage.required"));
        String location = errorPage.getLocation();
        if ((location != null) && !location.startsWith("/")) {
            if (isServlet22()) {
                if(log.isDebugEnabled())
                    log.debug(sm.getString("standardContext.errorPage.warning",
                                 location));
                errorPage.setLocation("/" + location);
            } else {
                throw new IllegalArgumentException
                    (sm.getString("standardContext.errorPage.error",
                                  location));
            }
        }

        // Add the specified error page to our internal collections
        String exceptionType = errorPage.getExceptionType();
        if (exceptionType != null) {
            synchronized (exceptionPages) {
                exceptionPages.put(exceptionType, errorPage);
            }
        } else {
            synchronized (statusPages) {
                if (errorPage.getErrorCode() == 200) {
                    this.okErrorPage = errorPage;
                }
                statusPages.put(Integer.valueOf(errorPage.getErrorCode()),
                                errorPage);
            }
        }
        fireContainerEvent("addErrorPage", errorPage);

    }


    /**
     * Add a filter definition to this Context.
     *
     * @param filterDef The filter definition to be added
     */
    @Override
    public void addFilterDef(FilterDef filterDef) {

        synchronized (filterDefs) {
            filterDefs.put(filterDef.getFilterName(), filterDef);
        }
        fireContainerEvent("addFilterDef", filterDef);

    }


    /**
     * Add a filter mapping to this Context at the end of the current set
     * of filter mappings.
     *
     * @param filterMap The filter mapping to be added
     *
     * @exception IllegalArgumentException if the specified filter name
     *  does not match an existing filter definition, or the filter mapping
     *  is malformed
     */
    @Override
    public void addFilterMap(FilterMap filterMap) {
        validateFilterMap(filterMap);
        // Add this filter mapping to our registered set
        filterMaps.add(filterMap);
        fireContainerEvent("addFilterMap", filterMap);
    }

    
    /**
     * Add a filter mapping to this Context before the mappings defined in the
     * deployment descriptor but after any other mappings added via this method.
     *
     * @param filterMap The filter mapping to be added
     *
     * @exception IllegalArgumentException if the specified filter name
     *  does not match an existing filter definition, or the filter mapping
     *  is malformed
     */
    @Override
    public void addFilterMapBefore(FilterMap filterMap) {
        validateFilterMap(filterMap);
        // Add this filter mapping to our registered set
        filterMaps.addBefore(filterMap);
        fireContainerEvent("addFilterMap", filterMap);
    }


    /**
     * Validate the supplied FilterMap.
     */
    private void validateFilterMap(FilterMap filterMap) {
        // Validate the proposed filter mapping
        String filterName = filterMap.getFilterName();
        String[] servletNames = filterMap.getServletNames();
        String[] urlPatterns = filterMap.getURLPatterns();
        if (findFilterDef(filterName) == null)
            throw new IllegalArgumentException
                (sm.getString("standardContext.filterMap.name", filterName));

        if (!filterMap.getMatchAllServletNames() && 
            !filterMap.getMatchAllUrlPatterns() && 
            (servletNames.length == 0) && (urlPatterns.length == 0))
            throw new IllegalArgumentException
                (sm.getString("standardContext.filterMap.either"));
        // FIXME: Older spec revisions may still check this
        /*
        if ((servletNames.length != 0) && (urlPatterns.length != 0))
            throw new IllegalArgumentException
                (sm.getString("standardContext.filterMap.either"));
        */
        for (int i = 0; i < urlPatterns.length; i++) {
            if (!validateURLPattern(urlPatterns[i])) {
                throw new IllegalArgumentException
                    (sm.getString("standardContext.filterMap.pattern",
                            urlPatterns[i]));
            }
        }
    }

    /**
     * Add the classname of an InstanceListener to be added to each
     * Wrapper appended to this Context.
     *
     * @param listener Java class name of an InstanceListener class
     */
    @Override
    public void addInstanceListener(String listener) {

        synchronized (instanceListenersLock) {
            String results[] =new String[instanceListeners.length + 1];
            for (int i = 0; i < instanceListeners.length; i++)
                results[i] = instanceListeners[i];
            results[instanceListeners.length] = listener;
            instanceListeners = results;
        }
        fireContainerEvent("addInstanceListener", listener);

    }

    /**
     * Add a Locale Encoding Mapping (see Sec 5.4 of Servlet spec 2.4)
     *
     * @param locale locale to map an encoding for
     * @param encoding encoding to be used for a give locale
     */
    @Override
    public void addLocaleEncodingMappingParameter(String locale, String encoding){
        getCharsetMapper().addCharsetMappingFromDeploymentDescriptor(locale, encoding);
    }


    /**
     * Add a message destination for this web application.
     *
     * @param md New message destination
     */
    public void addMessageDestination(MessageDestination md) {

        synchronized (messageDestinations) {
            messageDestinations.put(md.getName(), md);
        }
        fireContainerEvent("addMessageDestination", md.getName());

    }


    /**
     * Add a message destination reference for this web application.
     *
     * @param mdr New message destination reference
     */
    public void addMessageDestinationRef
        (MessageDestinationRef mdr) {

        namingResources.addMessageDestinationRef(mdr);
        fireContainerEvent("addMessageDestinationRef", mdr.getName());

    }


    /**
     * Add a new MIME mapping, replacing any existing mapping for
     * the specified extension.
     *
     * @param extension Filename extension being mapped
     * @param mimeType Corresponding MIME type
     */
    @Override
    public void addMimeMapping(String extension, String mimeType) {

        synchronized (mimeMappings) {
            mimeMappings.put(extension, mimeType);
        }
        fireContainerEvent("addMimeMapping", extension);

    }


    /**
     * Add a new context initialization parameter.
     *
     * @param name Name of the new parameter
     * @param value Value of the new  parameter
     *
     * @exception IllegalArgumentException if the name or value is missing,
     *  or if this context initialization parameter has already been
     *  registered
     */
    @Override
    public void addParameter(String name, String value) {
        // Validate the proposed context initialization parameter
        if ((name == null) || (value == null))
            throw new IllegalArgumentException
                (sm.getString("standardContext.parameter.required"));
        if (parameters.get(name) != null)
            throw new IllegalArgumentException
                (sm.getString("standardContext.parameter.duplicate", name));

        // Add this parameter to our defined set
        synchronized (parameters) {
            parameters.put(name, value);
        }
        fireContainerEvent("addParameter", name);

    }


    /**
     * Add a security role reference for this web application.
     *
     * @param role Security role used in the application
     * @param link Actual security role to check for
     */
    @Override
    public void addRoleMapping(String role, String link) {

        synchronized (roleMappings) {
            roleMappings.put(role, link);
        }
        fireContainerEvent("addRoleMapping", role);

    }


    /**
     * Add a new security role for this web application.
     *
     * @param role New security role
     */
    @Override
    public void addSecurityRole(String role) {

        synchronized (securityRolesLock) {
            String results[] =new String[securityRoles.length + 1];
            for (int i = 0; i < securityRoles.length; i++)
                results[i] = securityRoles[i];
            results[securityRoles.length] = role;
            securityRoles = results;
        }
        fireContainerEvent("addSecurityRole", role);

    }


    /**
     * Add a new servlet mapping, replacing any existing mapping for
     * the specified pattern.
     *
     * @param pattern URL pattern to be mapped
     * @param name Name of the corresponding servlet to execute
     *
     * @exception IllegalArgumentException if the specified servlet name
     *  is not known to this Context
     */
    @Override
    public void addServletMapping(String pattern, String name) {
        addServletMapping(pattern, name, false);
    }


    /**
     * Add a new servlet mapping, replacing any existing mapping for
     * the specified pattern.
     *
     * @param pattern URL pattern to be mapped
     * @param name Name of the corresponding servlet to execute
     * @param jspWildCard true if name identifies the JspServlet
     * and pattern contains a wildcard; false otherwise
     *
     * @exception IllegalArgumentException if the specified servlet name
     *  is not known to this Context
     */
    @Override
    public void addServletMapping(String pattern, String name,
                                  boolean jspWildCard) {
        // Validate the proposed mapping
        if (findChild(name) == null)
            throw new IllegalArgumentException
                (sm.getString("standardContext.servletMap.name", name));
        String decodedPattern = adjustURLPattern(RequestUtil.URLDecode(pattern));
        if (!validateURLPattern(decodedPattern))
            throw new IllegalArgumentException
                (sm.getString("standardContext.servletMap.pattern", decodedPattern));

        // Add this mapping to our registered set
        synchronized (servletMappingsLock) {
            String name2 = servletMappings.get(decodedPattern);
            if (name2 != null) {
                // Don't allow more than one servlet on the same pattern
                Wrapper wrapper = (Wrapper) findChild(name2);
                wrapper.removeMapping(decodedPattern);
                mapper.removeWrapper(decodedPattern);
            }
            servletMappings.put(decodedPattern, name);
        }
        Wrapper wrapper = (Wrapper) findChild(name);
        wrapper.addMapping(decodedPattern);

        // Update context mapper
        mapper.addWrapper(decodedPattern, wrapper, jspWildCard,
                resourceOnlyServlets.contains(name));

        fireContainerEvent("addServletMapping", decodedPattern);

    }


    /**
     * Add a new watched resource to the set recognized by this Context.
     *
     * @param name New watched resource file name
     */
    @Override
    public void addWatchedResource(String name) {

        synchronized (watchedResourcesLock) {
            String results[] = new String[watchedResources.length + 1];
            for (int i = 0; i < watchedResources.length; i++)
                results[i] = watchedResources[i];
            results[watchedResources.length] = name;
            watchedResources = results;
        }
        fireContainerEvent("addWatchedResource", name);

    }


    /**
     * Add a new welcome file to the set recognized by this Context.
     *
     * @param name New welcome file name
     */
    @Override
    public void addWelcomeFile(String name) {

        synchronized (welcomeFilesLock) {
            // Welcome files from the application deployment descriptor
            // completely replace those from the default conf/web.xml file
            if (replaceWelcomeFiles) {
                fireContainerEvent(CLEAR_WELCOME_FILES_EVENT, null);
                welcomeFiles = new String[0];
                setReplaceWelcomeFiles(false);
            }
            String results[] =new String[welcomeFiles.length + 1];
            for (int i = 0; i < welcomeFiles.length; i++)
                results[i] = welcomeFiles[i];
            results[welcomeFiles.length] = name;
            welcomeFiles = results;
        }
        if(this.getState().equals(LifecycleState.STARTED))
            fireContainerEvent(ADD_WELCOME_FILE_EVENT, name);
    }


    /**
     * Add the classname of a LifecycleListener to be added to each
     * Wrapper appended to this Context.
     *
     * @param listener Java class name of a LifecycleListener class
     */
    @Override
    public void addWrapperLifecycle(String listener) {

        synchronized (wrapperLifecyclesLock) {
            String results[] =new String[wrapperLifecycles.length + 1];
            for (int i = 0; i < wrapperLifecycles.length; i++)
                results[i] = wrapperLifecycles[i];
            results[wrapperLifecycles.length] = listener;
            wrapperLifecycles = results;
        }
        fireContainerEvent("addWrapperLifecycle", listener);

    }


    /**
     * Add the classname of a ContainerListener to be added to each
     * Wrapper appended to this Context.
     *
     * @param listener Java class name of a ContainerListener class
     */
    @Override
    public void addWrapperListener(String listener) {

        synchronized (wrapperListenersLock) {
            String results[] =new String[wrapperListeners.length + 1];
            for (int i = 0; i < wrapperListeners.length; i++)
                results[i] = wrapperListeners[i];
            results[wrapperListeners.length] = listener;
            wrapperListeners = results;
        }
        fireContainerEvent("addWrapperListener", listener);

    }


    /**
     * Factory method to create and return a new Wrapper instance, of
     * the Java implementation class appropriate for this Context
     * implementation.  The constructor of the instantiated Wrapper
     * will have been called, but no properties will have been set.
     */
    @Override
    public Wrapper createWrapper() {

        Wrapper wrapper = null;
        if (wrapperClass != null) {
            try {
                wrapper = (Wrapper) wrapperClass.newInstance();
            } catch (Throwable t) {
                ExceptionUtils.handleThrowable(t);
                log.error("createWrapper", t);
                return (null);
            }
        } else {
            wrapper = new StandardWrapper();
        }

        synchronized (instanceListenersLock) {
            for (int i = 0; i < instanceListeners.length; i++) {
                try {
                    Class clazz = Class.forName(instanceListeners[i]);
                    InstanceListener listener =
                      (InstanceListener) clazz.newInstance();
                    wrapper.addInstanceListener(listener);
                } catch (Throwable t) {
                    ExceptionUtils.handleThrowable(t);
                    log.error("createWrapper", t);
                    return (null);
                }
            }
        }

        synchronized (wrapperLifecyclesLock) {
            for (int i = 0; i < wrapperLifecycles.length; i++) {
                try {
                    Class clazz = Class.forName(wrapperLifecycles[i]);
                    LifecycleListener listener =
                        (LifecycleListener) clazz.newInstance();
                    wrapper.addLifecycleListener(listener);
                } catch (Throwable t) {
                    ExceptionUtils.handleThrowable(t);
                    log.error("createWrapper", t);
                    return (null);
                }
            }
        }

        synchronized (wrapperListenersLock) {
            for (int i = 0; i < wrapperListeners.length; i++) {
                try {
                    Class clazz = Class.forName(wrapperListeners[i]);
                    ContainerListener listener =
                      (ContainerListener) clazz.newInstance();
                    wrapper.addContainerListener(listener);
                } catch (Throwable t) {
                    ExceptionUtils.handleThrowable(t);
                    log.error("createWrapper", t);
                    return (null);
                }
            }
        }

        return (wrapper);

    }


    /**
     * Return the set of application listener class names configured
     * for this application.
     */
    @Override
    public String[] findApplicationListeners() {

        return (applicationListeners);

    }


    /**
     * Return the set of application parameters for this application.
     */
    @Override
    public ApplicationParameter[] findApplicationParameters() {

        synchronized (applicationParametersLock) {
            return (applicationParameters);
        }

    }


    /**
     * Return the security constraints for this web application.
     * If there are none, a zero-length array is returned.
     */
    @Override
    public SecurityConstraint[] findConstraints() {

        return (constraints);

    }


    /**
     * Return the error page entry for the specified HTTP error code,
     * if any; otherwise return null.
     *
     * @param errorCode Error code to look up
     */
    @Override
    public ErrorPage findErrorPage(int errorCode) {
        if (errorCode == 200) {
            return (okErrorPage);
        } else {
            return (statusPages.get(Integer.valueOf(errorCode)));
        }

    }


    /**
     * Return the error page entry for the specified Java exception type,
     * if any; otherwise return null.
     *
     * @param exceptionType Exception type to look up
     */
    @Override
    public ErrorPage findErrorPage(String exceptionType) {

        synchronized (exceptionPages) {
            return (exceptionPages.get(exceptionType));
        }

    }


    /**
     * Return the set of defined error pages for all specified error codes
     * and exception types.
     */
    @Override
    public ErrorPage[] findErrorPages() {

        synchronized(exceptionPages) {
            synchronized(statusPages) {
                ErrorPage results1[] = new ErrorPage[exceptionPages.size()];
                results1 = exceptionPages.values().toArray(results1);
                ErrorPage results2[] = new ErrorPage[statusPages.size()];
                results2 = statusPages.values().toArray(results2);
                ErrorPage results[] =
                    new ErrorPage[results1.length + results2.length];
                for (int i = 0; i < results1.length; i++)
                    results[i] = results1[i];
                for (int i = results1.length; i < results.length; i++)
                    results[i] = results2[i - results1.length];
                return (results);
            }
        }

    }


    /**
     * Return the filter definition for the specified filter name, if any;
     * otherwise return null.
     *
     * @param filterName Filter name to look up
     */
    @Override
    public FilterDef findFilterDef(String filterName) {

        synchronized (filterDefs) {
            return (filterDefs.get(filterName));
        }

    }


    /**
     * Return the set of defined filters for this Context.
     */
    @Override
    public FilterDef[] findFilterDefs() {

        synchronized (filterDefs) {
            FilterDef results[] = new FilterDef[filterDefs.size()];
            return (filterDefs.values().toArray(results));
        }

    }


    /**
     * Return the set of filter mappings for this Context.
     */
    @Override
    public FilterMap[] findFilterMaps() {
        return filterMaps.asArray();
    }


    /**
     * Return the set of InstanceListener classes that will be added to
     * newly created Wrappers automatically.
     */
    @Override
    public String[] findInstanceListeners() {

        synchronized (instanceListenersLock) {
            return (instanceListeners);
        }

    }


    /**
     * FIXME: Fooling introspection ...
     */
    public Context findMappingObject() {
        return (Context) getMappingObject();
    }
    
    
    /**
     * Return the message destination with the specified name, if any;
     * otherwise, return null.
     *
     * @param name Name of the desired message destination
     */
    public MessageDestination findMessageDestination(String name) {

        synchronized (messageDestinations) {
            return (messageDestinations.get(name));
        }

    }


    /**
     * Return the set of defined message destinations for this web
     * application.  If none have been defined, a zero-length array
     * is returned.
     */
    public MessageDestination[] findMessageDestinations() {

        synchronized (messageDestinations) {
            MessageDestination results[] =
                new MessageDestination[messageDestinations.size()];
            return (messageDestinations.values().toArray(results));
        }

    }


    /**
     * Return the message destination ref with the specified name, if any;
     * otherwise, return null.
     *
     * @param name Name of the desired message destination ref
     */
    public MessageDestinationRef
        findMessageDestinationRef(String name) {

        return namingResources.findMessageDestinationRef(name);

    }


    /**
     * Return the set of defined message destination refs for this web
     * application.  If none have been defined, a zero-length array
     * is returned.
     */
    public MessageDestinationRef[]
        findMessageDestinationRefs() {

        return namingResources.findMessageDestinationRefs();

    }


    /**
     * Return the MIME type to which the specified extension is mapped,
     * if any; otherwise return null.
     *
     * @param extension Extension to map to a MIME type
     */
    @Override
    public String findMimeMapping(String extension) {

        return (mimeMappings.get(extension));

    }


    /**
     * Return the extensions for which MIME mappings are defined.  If there
     * are none, a zero-length array is returned.
     */
    @Override
    public String[] findMimeMappings() {

        synchronized (mimeMappings) {
            String results[] = new String[mimeMappings.size()];
            return
                (mimeMappings.keySet().toArray(results));
        }

    }


    /**
     * Return the value for the specified context initialization
     * parameter name, if any; otherwise return null.
     *
     * @param name Name of the parameter to return
     */
    @Override
    public String findParameter(String name) {

        synchronized (parameters) {
            return (parameters.get(name));
        }

    }


    /**
     * Return the names of all defined context initialization parameters
     * for this Context.  If no parameters are defined, a zero-length
     * array is returned.
     */
    @Override
    public String[] findParameters() {

        synchronized (parameters) {
            String results[] = new String[parameters.size()];
            return (parameters.keySet().toArray(results));
        }

    }


    /**
     * For the given security role (as used by an application), return the
     * corresponding role name (as defined by the underlying Realm) if there
     * is one.  Otherwise, return the specified role unchanged.
     *
     * @param role Security role to map
     */
    @Override
    public String findRoleMapping(String role) {

        String realRole = null;
        synchronized (roleMappings) {
            realRole = roleMappings.get(role);
        }
        if (realRole != null)
            return (realRole);
        else
            return (role);

    }


    /**
     * Return true if the specified security role is defined
     * for this application; otherwise return false.
     *
     * @param role Security role to verify
     */
    @Override
    public boolean findSecurityRole(String role) {

        synchronized (securityRolesLock) {
            for (int i = 0; i < securityRoles.length; i++) {
                if (role.equals(securityRoles[i]))
                    return (true);
            }
        }
        return (false);

    }


    /**
     * Return the security roles defined for this application.  If none
     * have been defined, a zero-length array is returned.
     */
    @Override
    public String[] findSecurityRoles() {

        synchronized (securityRolesLock) {
            return (securityRoles);
        }

    }


    /**
     * Return the servlet name mapped by the specified pattern (if any);
     * otherwise return null.
     *
     * @param pattern Pattern for which a mapping is requested
     */
    @Override
    public String findServletMapping(String pattern) {

        synchronized (servletMappingsLock) {
            return (servletMappings.get(pattern));
        }

    }


    /**
     * Return the patterns of all defined servlet mappings for this
     * Context.  If no mappings are defined, a zero-length array is returned.
     */
    @Override
    public String[] findServletMappings() {

        synchronized (servletMappingsLock) {
            String results[] = new String[servletMappings.size()];
            return
               (servletMappings.keySet().toArray(results));
        }

    }


    /**
     * Return the context-relative URI of the error page for the specified
     * HTTP status code, if any; otherwise return null.
     *
     * @param status HTTP status code to look up
     */
    @Override
    public String findStatusPage(int status) {

        ErrorPage errorPage = statusPages.get(Integer.valueOf(status));
        if (errorPage!=null) {
            return errorPage.getLocation();
        }
        return null;

    }


    /**
     * Return the set of HTTP status codes for which error pages have
     * been specified.  If none are specified, a zero-length array
     * is returned.
     */
    @Override
    public int[] findStatusPages() {

        synchronized (statusPages) {
            int results[] = new int[statusPages.size()];
            Iterator elements = statusPages.keySet().iterator();
            int i = 0;
            while (elements.hasNext())
                results[i++] = elements.next().intValue();
            return (results);
        }

    }


    /**
     * Return true if the specified welcome file is defined
     * for this Context; otherwise return false.
     *
     * @param name Welcome file to verify
     */
    @Override
    public boolean findWelcomeFile(String name) {

        synchronized (welcomeFilesLock) {
            for (int i = 0; i < welcomeFiles.length; i++) {
                if (name.equals(welcomeFiles[i]))
                    return (true);
            }
        }
        return (false);

    }


    /**
     * Return the set of watched resources for this Context. If none are 
     * defined, a zero length array will be returned.
     */
    @Override
    public String[] findWatchedResources() {
        synchronized (watchedResourcesLock) {
            return watchedResources;
        }
    }
    
    
    /**
     * Return the set of welcome files defined for this Context.  If none are
     * defined, a zero-length array is returned.
     */
    @Override
    public String[] findWelcomeFiles() {

        synchronized (welcomeFilesLock) {
            return (welcomeFiles);
        }

    }


    /**
     * Return the set of LifecycleListener classes that will be added to
     * newly created Wrappers automatically.
     */
    @Override
    public String[] findWrapperLifecycles() {

        synchronized (wrapperLifecyclesLock) {
            return (wrapperLifecycles);
        }

    }


    /**
     * Return the set of ContainerListener classes that will be added to
     * newly created Wrappers automatically.
     */
    @Override
    public String[] findWrapperListeners() {

        synchronized (wrapperListenersLock) {
            return (wrapperListeners);
        }

    }


    /**
     * Reload this web application, if reloading is supported.
     * 

     * IMPLEMENTATION NOTE:  This method is designed to deal with
     * reloads required by changes to classes in the underlying repositories
     * of our class loader.  It does not handle changes to the web application
     * deployment descriptor.  If that has occurred, you should stop this
     * Context and create (and start) a new Context instance instead.
     *
     * @exception IllegalStateException if the reloadable
     *  property is set to false.
     */
    @Override
    public synchronized void reload() {

        // Validate our current component state
        if (!getState().isAvailable())
            throw new IllegalStateException
                (sm.getString("standardContext.notStarted", getName()));

        if(log.isInfoEnabled())
            log.info(sm.getString("standardContext.reloadingStarted",
                    getName()));

        // Stop accepting requests temporarily
        setPaused(true);

        try {
            stop();
        } catch (LifecycleException e) {
            log.error(
                sm.getString("standardContext.stoppingContext", getName()), e);
        }

        try {
            start();
        } catch (LifecycleException e) {
            log.error(
                sm.getString("standardContext.startingContext", getName()), e);
        }

        setPaused(false);

        if(log.isInfoEnabled())
            log.info(sm.getString("standardContext.reloadingCompleted",
                    getName()));

    }


    /**
     * Remove the specified application listener class from the set of
     * listeners for this application.
     *
     * @param listener Java class name of the listener to be removed
     */
    @Override
    public void removeApplicationListener(String listener) {

        synchronized (applicationListenersLock) {

            // Make sure this welcome file is currently present
            int n = -1;
            for (int i = 0; i < applicationListeners.length; i++) {
                if (applicationListeners[i].equals(listener)) {
                    n = i;
                    break;
                }
            }
            if (n < 0)
                return;

            // Remove the specified constraint
            int j = 0;
            String results[] = new String[applicationListeners.length - 1];
            for (int i = 0; i < applicationListeners.length; i++) {
                if (i != n)
                    results[j++] = applicationListeners[i];
            }
            applicationListeners = results;

        }

        // Inform interested listeners
        fireContainerEvent("removeApplicationListener", listener);

        // FIXME - behavior if already started?

    }


    /**
     * Remove the application parameter with the specified name from
     * the set for this application.
     *
     * @param name Name of the application parameter to remove
     */
    @Override
    public void removeApplicationParameter(String name) {

        synchronized (applicationParametersLock) {

            // Make sure this parameter is currently present
            int n = -1;
            for (int i = 0; i < applicationParameters.length; i++) {
                if (name.equals(applicationParameters[i].getName())) {
                    n = i;
                    break;
                }
            }
            if (n < 0)
                return;

            // Remove the specified parameter
            int j = 0;
            ApplicationParameter results[] =
                new ApplicationParameter[applicationParameters.length - 1];
            for (int i = 0; i < applicationParameters.length; i++) {
                if (i != n)
                    results[j++] = applicationParameters[i];
            }
            applicationParameters = results;

        }

        // Inform interested listeners
        fireContainerEvent("removeApplicationParameter", name);

    }


    /**
     * Add a child Container, only if the proposed child is an implementation
     * of Wrapper.
     *
     * @param child Child container to be added
     *
     * @exception IllegalArgumentException if the proposed container is
     *  not an implementation of Wrapper
     */
    @Override
    public void removeChild(Container child) {

        if (!(child instanceof Wrapper)) {
            throw new IllegalArgumentException
                (sm.getString("standardContext.notWrapper"));
        }

        super.removeChild(child);

    }


    /**
     * Remove the specified security constraint from this web application.
     *
     * @param constraint Constraint to be removed
     */
    @Override
    public void removeConstraint(SecurityConstraint constraint) {

        synchronized (constraintsLock) {

            // Make sure this constraint is currently present
            int n = -1;
            for (int i = 0; i < constraints.length; i++) {
                if (constraints[i].equals(constraint)) {
                    n = i;
                    break;
                }
            }
            if (n < 0)
                return;

            // Remove the specified constraint
            int j = 0;
            SecurityConstraint results[] =
                new SecurityConstraint[constraints.length - 1];
            for (int i = 0; i < constraints.length; i++) {
                if (i != n)
                    results[j++] = constraints[i];
            }
            constraints = results;

        }

        // Inform interested listeners
        fireContainerEvent("removeConstraint", constraint);

    }


    /**
     * Remove the error page for the specified error code or
     * Java language exception, if it exists; otherwise, no action is taken.
     *
     * @param errorPage The error page definition to be removed
     */
    @Override
    public void removeErrorPage(ErrorPage errorPage) {

        String exceptionType = errorPage.getExceptionType();
        if (exceptionType != null) {
            synchronized (exceptionPages) {
                exceptionPages.remove(exceptionType);
            }
        } else {
            synchronized (statusPages) {
                if (errorPage.getErrorCode() == 200) {
                    this.okErrorPage = null;
                }
                statusPages.remove(Integer.valueOf(errorPage.getErrorCode()));
            }
        }
        fireContainerEvent("removeErrorPage", errorPage);

    }


    /**
     * Remove the specified filter definition from this Context, if it exists;
     * otherwise, no action is taken.
     *
     * @param filterDef Filter definition to be removed
     */
    @Override
    public void removeFilterDef(FilterDef filterDef) {

        synchronized (filterDefs) {
            filterDefs.remove(filterDef.getFilterName());
        }
        fireContainerEvent("removeFilterDef", filterDef);

    }


    /**
     * Remove a filter mapping from this Context.
     *
     * @param filterMap The filter mapping to be removed
     */
    @Override
    public void removeFilterMap(FilterMap filterMap) {
        filterMaps.remove(filterMap);
        // Inform interested listeners
        fireContainerEvent("removeFilterMap", filterMap);
    }


    /**
     * Remove a class name from the set of InstanceListener classes that
     * will be added to newly created Wrappers.
     *
     * @param listener Class name of an InstanceListener class to be removed
     */
    @Override
    public void removeInstanceListener(String listener) {

        synchronized (instanceListenersLock) {

            // Make sure this welcome file is currently present
            int n = -1;
            for (int i = 0; i < instanceListeners.length; i++) {
                if (instanceListeners[i].equals(listener)) {
                    n = i;
                    break;
                }
            }
            if (n < 0)
                return;

            // Remove the specified constraint
            int j = 0;
            String results[] = new String[instanceListeners.length - 1];
            for (int i = 0; i < instanceListeners.length; i++) {
                if (i != n)
                    results[j++] = instanceListeners[i];
            }
            instanceListeners = results;

        }

        // Inform interested listeners
        fireContainerEvent("removeInstanceListener", listener);

    }


    /**
     * Remove any message destination with the specified name.
     *
     * @param name Name of the message destination to remove
     */
    public void removeMessageDestination(String name) {

        synchronized (messageDestinations) {
            messageDestinations.remove(name);
        }
        fireContainerEvent("removeMessageDestination", name);

    }


    /**
     * Remove any message destination ref with the specified name.
     *
     * @param name Name of the message destination ref to remove
     */
    public void removeMessageDestinationRef(String name) {

        namingResources.removeMessageDestinationRef(name);
        fireContainerEvent("removeMessageDestinationRef", name);

    }


    /**
     * Remove the MIME mapping for the specified extension, if it exists;
     * otherwise, no action is taken.
     *
     * @param extension Extension to remove the mapping for
     */
    @Override
    public void removeMimeMapping(String extension) {

        synchronized (mimeMappings) {
            mimeMappings.remove(extension);
        }
        fireContainerEvent("removeMimeMapping", extension);

    }


    /**
     * Remove the context initialization parameter with the specified
     * name, if it exists; otherwise, no action is taken.
     *
     * @param name Name of the parameter to remove
     */
    @Override
    public void removeParameter(String name) {

        synchronized (parameters) {
            parameters.remove(name);
        }
        fireContainerEvent("removeParameter", name);

    }


    /**
     * Remove any security role reference for the specified name
     *
     * @param role Security role (as used in the application) to remove
     */
    @Override
    public void removeRoleMapping(String role) {

        synchronized (roleMappings) {
            roleMappings.remove(role);
        }
        fireContainerEvent("removeRoleMapping", role);

    }


    /**
     * Remove any security role with the specified name.
     *
     * @param role Security role to remove
     */
    @Override
    public void removeSecurityRole(String role) {

        synchronized (securityRolesLock) {

            // Make sure this security role is currently present
            int n = -1;
            for (int i = 0; i < securityRoles.length; i++) {
                if (role.equals(securityRoles[i])) {
                    n = i;
                    break;
                }
            }
            if (n < 0)
                return;

            // Remove the specified security role
            int j = 0;
            String results[] = new String[securityRoles.length - 1];
            for (int i = 0; i < securityRoles.length; i++) {
                if (i != n)
                    results[j++] = securityRoles[i];
            }
            securityRoles = results;

        }

        // Inform interested listeners
        fireContainerEvent("removeSecurityRole", role);

    }


    /**
     * Remove any servlet mapping for the specified pattern, if it exists;
     * otherwise, no action is taken.
     *
     * @param pattern URL pattern of the mapping to remove
     */
    @Override
    public void removeServletMapping(String pattern) {

        String name = null;
        synchronized (servletMappingsLock) {
            name = servletMappings.remove(pattern);
        }
        Wrapper wrapper = (Wrapper) findChild(name);
        if( wrapper != null ) {
            wrapper.removeMapping(pattern);
        }
        mapper.removeWrapper(pattern);
        fireContainerEvent("removeServletMapping", pattern);

    }


    /**
     * Remove the specified watched resource name from the list associated
     * with this Context.
     * 
     * @param name Name of the watched resource to be removed
     */
    @Override
    public void removeWatchedResource(String name) {
        
        synchronized (watchedResourcesLock) {

            // Make sure this watched resource is currently present
            int n = -1;
            for (int i = 0; i < watchedResources.length; i++) {
                if (watchedResources[i].equals(name)) {
                    n = i;
                    break;
                }
            }
            if (n < 0)
                return;

            // Remove the specified watched resource
            int j = 0;
            String results[] = new String[watchedResources.length - 1];
            for (int i = 0; i < watchedResources.length; i++) {
                if (i != n)
                    results[j++] = watchedResources[i];
            }
            watchedResources = results;

        }

        fireContainerEvent("removeWatchedResource", name);

    }
    
    
    /**
     * Remove the specified welcome file name from the list recognized
     * by this Context.
     *
     * @param name Name of the welcome file to be removed
     */
    @Override
    public void removeWelcomeFile(String name) {

        synchronized (welcomeFilesLock) {

            // Make sure this welcome file is currently present
            int n = -1;
            for (int i = 0; i < welcomeFiles.length; i++) {
                if (welcomeFiles[i].equals(name)) {
                    n = i;
                    break;
                }
            }
            if (n < 0)
                return;

            // Remove the specified constraint
            int j = 0;
            String results[] = new String[welcomeFiles.length - 1];
            for (int i = 0; i < welcomeFiles.length; i++) {
                if (i != n)
                    results[j++] = welcomeFiles[i];
            }
            welcomeFiles = results;

        }

        // Inform interested listeners
        if(this.getState().equals(LifecycleState.STARTED))
            fireContainerEvent(REMOVE_WELCOME_FILE_EVENT, name);

    }


    /**
     * Remove a class name from the set of LifecycleListener classes that
     * will be added to newly created Wrappers.
     *
     * @param listener Class name of a LifecycleListener class to be removed
     */
    @Override
    public void removeWrapperLifecycle(String listener) {


        synchronized (wrapperLifecyclesLock) {

            // Make sure this welcome file is currently present
            int n = -1;
            for (int i = 0; i < wrapperLifecycles.length; i++) {
                if (wrapperLifecycles[i].equals(listener)) {
                    n = i;
                    break;
                }
            }
            if (n < 0)
                return;

            // Remove the specified constraint
            int j = 0;
            String results[] = new String[wrapperLifecycles.length - 1];
            for (int i = 0; i < wrapperLifecycles.length; i++) {
                if (i != n)
                    results[j++] = wrapperLifecycles[i];
            }
            wrapperLifecycles = results;

        }

        // Inform interested listeners
        fireContainerEvent("removeWrapperLifecycle", listener);

    }


    /**
     * Remove a class name from the set of ContainerListener classes that
     * will be added to newly created Wrappers.
     *
     * @param listener Class name of a ContainerListener class to be removed
     */
    @Override
    public void removeWrapperListener(String listener) {


        synchronized (wrapperListenersLock) {

            // Make sure this welcome file is currently present
            int n = -1;
            for (int i = 0; i < wrapperListeners.length; i++) {
                if (wrapperListeners[i].equals(listener)) {
                    n = i;
                    break;
                }
            }
            if (n < 0)
                return;

            // Remove the specified constraint
            int j = 0;
            String results[] = new String[wrapperListeners.length - 1];
            for (int i = 0; i < wrapperListeners.length; i++) {
                if (i != n)
                    results[j++] = wrapperListeners[i];
            }
            wrapperListeners = results;

        }

        // Inform interested listeners
        fireContainerEvent("removeWrapperListener", listener);

    }


    /**
     * Gets the cumulative processing times of all servlets in this
     * StandardContext.
     *
     * @return Cumulative processing times of all servlets in this
     * StandardContext
     */
    public long getProcessingTime() {
        
        long result = 0;

        Container[] children = findChildren();
        if (children != null) {
            for( int i=0; i< children.length; i++ ) {
                result += ((StandardWrapper)children[i]).getProcessingTime();
            }
        }

        return result;
    }


    /**
     * Return the real path for a given virtual path, if possible; otherwise
     * return null.
     *
     * @param path The path to the desired resource
     */
    @Override
    public String getRealPath(String path) {
        if (webappResources instanceof BaseDirContext) {
            return ((BaseDirContext) webappResources).getRealPath(path);
        }
        return null;
    }

    /**
     * hook to register that we need to scan for security annotations.
     * @param wrapper   The wrapper for the Servlet that was added
     */
    public ServletRegistration.Dynamic dynamicServletAdded(Wrapper wrapper) {
        return new ApplicationServletRegistration(wrapper, this);
    }

    /**
     * hook to track which registrations need annotation scanning
     * @param servlet
     */
    public void dynamicServletCreated(Servlet servlet) {
        // NOOP - Hook for JACC implementations
    }


    /**
     * A helper class to manage the filter mappings in a Context.
     */
    private static final class ContextFilterMaps {
        private final Object lock = new Object();

        /**
         * The set of filter mappings for this application, in the order they
         * were defined in the deployment descriptor with additional mappings
         * added via the {@link ServletContext} possibly both before and after
         * those defined in the deployment descriptor.
         */
        private FilterMap[] array = new FilterMap[0];

        /**
         * Filter mappings added via {@link ServletContext} may have to be
         * inserted before the mappings in the deployment descriptor but must be
         * inserted in the order the {@link ServletContext} methods are called.
         * This isn't an issue for the mappings added after the deployment
         * descriptor - they are just added to the end - but correctly the
         * adding mappings before the deployment descriptor mappings requires
         * knowing where the last 'before' mapping was added.
         */
        private int insertPoint = 0;

        /**
         * Return the set of filter mappings.
         */
        public FilterMap[] asArray() {
            synchronized (lock) {
                return array;
            }
        }

        /**
         * Add a filter mapping at the end of the current set of filter
         * mappings.
         * 
         * @param filterMap
         *            The filter mapping to be added
         */
        public void add(FilterMap filterMap) {
            synchronized (lock) {
                FilterMap results[] = Arrays.copyOf(array, array.length + 1);
                results[array.length] = filterMap;
                array = results;
            }
        }

        /**
         * Add a filter mapping before the mappings defined in the deployment
         * descriptor but after any other mappings added via this method.
         * 
         * @param filterMap
         *            The filter mapping to be added
         */
        public void addBefore(FilterMap filterMap) {
            synchronized (lock) {
                FilterMap results[] = new FilterMap[array.length + 1];
                System.arraycopy(array, 0, results, 0, insertPoint);
                System.arraycopy(array, insertPoint, results, insertPoint + 1,
                        array.length - insertPoint);
                results[insertPoint] = filterMap;
                array = results;
                insertPoint++;
            }
        }

        /**
         * Remove a filter mapping.
         *
         * @param filterMap The filter mapping to be removed
         */
        public void remove(FilterMap filterMap) {
            synchronized (lock) {
                // Make sure this filter mapping is currently present
                int n = -1;
                for (int i = 0; i < array.length; i++) {
                    if (array[i] == filterMap) {
                        n = i;
                        break;
                    }
                }
                if (n < 0)
                    return;

                // Remove the specified filter mapping
                FilterMap results[] = new FilterMap[array.length - 1];
                System.arraycopy(array, 0, results, 0, n);
                System.arraycopy(array, n + 1, results, n, (array.length - 1)
                        - n);
                array = results;
                if (n < insertPoint) {
                    insertPoint--;
                }
            }
        }
    }

    // --------------------------------------------------------- Public Methods


    /**
     * Configure and initialize the set of filters for this Context.
     * Return true if all filter initialization completed
     * successfully, or false otherwise.
     */
    public boolean filterStart() {

        if (getLogger().isDebugEnabled())
            getLogger().debug("Starting filters");
        // Instantiate and record a FilterConfig for each defined filter
        boolean ok = true;
        synchronized (filterConfigs) {
            filterConfigs.clear();
            Iterator names = filterDefs.keySet().iterator();
            while (names.hasNext()) {
                String name = names.next();
                if (getLogger().isDebugEnabled())
                    getLogger().debug(" Starting filter '" + name + "'");
                ApplicationFilterConfig filterConfig = null;
                try {
                    filterConfig =
                        new ApplicationFilterConfig(this, filterDefs.get(name));
                    filterConfigs.put(name, filterConfig);
                } catch (Throwable t) {
                    ExceptionUtils.handleThrowable(t);
                    getLogger().error
                        (sm.getString("standardContext.filterStart", name), t);
                    ok = false;
                }
            }
        }

        return (ok);

    }


    /**
     * Finalize and release the set of filters for this Context.
     * Return true if all filter finalization completed
     * successfully, or false otherwise.
     */
    public boolean filterStop() {

        if (getLogger().isDebugEnabled())
            getLogger().debug("Stopping filters");

        // Release all Filter and FilterConfig instances
        synchronized (filterConfigs) {
            Iterator names = filterConfigs.keySet().iterator();
            while (names.hasNext()) {
                String name = names.next();
                if (getLogger().isDebugEnabled())
                    getLogger().debug(" Stopping filter '" + name + "'");
                ApplicationFilterConfig filterConfig = filterConfigs.get(name);
                filterConfig.release();
            }
            filterConfigs.clear();
        }
        return (true);

    }


    /**
     * Find and return the initialized FilterConfig for the
     * specified filter name, if any; otherwise return null.
     *
     * @param name Name of the desired filter
     */
    public FilterConfig findFilterConfig(String name) {

        return (filterConfigs.get(name));

    }


    /**
     * Configure the set of instantiated application event listeners
     * for this Context.  Return true if all listeners wre
     * initialized successfully, or false otherwise.
     */
    public boolean listenerStart() {

        if (log.isDebugEnabled())
            log.debug("Configuring application event listeners");

        // Instantiate the required listeners
        String listeners[] = findApplicationListeners();
        Object results[] = new Object[listeners.length];
        boolean ok = true;
        for (int i = 0; i < results.length; i++) {
            if (getLogger().isDebugEnabled())
                getLogger().debug(" Configuring event listener class '" +
                    listeners[i] + "'");
            try {
                results[i] = instanceManager.newInstance(listeners[i]);
            } catch (Throwable t) {
                ExceptionUtils.handleThrowable(t);
                getLogger().error
                    (sm.getString("standardContext.applicationListener",
                                  listeners[i]), t);
                ok = false;
            }
        }
        if (!ok) {
            getLogger().error(sm.getString("standardContext.applicationSkipped"));
            return (false);
        }

        // Sort listeners in two arrays
        ArrayList