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package org.apache.catalina.core;
import org.apache.catalina.*;
import org.apache.catalina.startup.ContextRuleSet;
import org.apache.catalina.startup.ExpandWar;
import org.apache.catalina.startup.NamingRuleSet;
import org.apache.tomcat.util.digester.Digester;
import javax.servlet.ServletContext;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.text.MessageFormat;
import java.util.Locale;
import java.util.ResourceBundle;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* Implementation of Deployer that is delegated to by the
* StandardHost implementation class.
*
* @author Craig R. McClanahan
* @version $Revision: 1.4 $ $Date: 2006/03/12 01:27:01 $
*/
public class StandardHostDeployer implements Deployer {
private static final Logger log = LogFacade.getLogger();
private static final ResourceBundle rb = log.getResourceBundle();
// ----------------------------------------------------------- Constructors
public StandardHostDeployer() {
}
/**
* Create a new StandardHostDeployer associated with the specified
* StandardHost.
*
* @param host The StandardHost we are associated with
*/
public StandardHostDeployer(StandardHost host) {
super();
this.host = host;
}
// ----------------------------------------------------- Instance Variables
/**
* The ContextRuleSet associated with our
* digester instance.
*/
private ContextRuleSet contextRuleSet = null;
/**
* The Digester instance to use for deploying web applications
* to this Host. WARNING - Usage of this
* instance must be appropriately synchronized to prevent simultaneous
* access by multiple threads.
*/
private Digester digester = null;
/**
* The StandardHost instance we are associated with.
*/
protected StandardHost host = null;
/**
* The NamingRuleSet associated with our
* digester instance.
*/
private NamingRuleSet namingRuleSet = null;
/**
* The document base which should replace the value specified in the
* Context being added in the addChild() method,
* or null if the original value should remain untouched.
*/
private String overrideDocBase = null;
/**
* The config file which should replace the value set for the config file
* of the Contextbeing added in the addChild()
* method, or null if the original value should remain
* untouched.
*/
private String overrideConfigFile = null;
// -------------------------------------------------------- Depoyer Methods
public Host getHost() {
return host;
}
public void setHost(Host host) {
this.host = (StandardHost)host;
}
/**
* Return the name of the Container with which this Deployer is associated.
*/
public String getName() {
return (host.getName());
}
/**
* Install a new web application, whose web application archive is at the
* specified URL, into this container with the specified context path.
* A context path of "" (the empty string) should be used for the root
* application for this container. Otherwise, the context path must
* start with a slash.
*
* If this application is successfully installed, a ContainerEvent of type
* PRE_INSTALL_EVENT will be sent to registered listeners
* before the associated Context is started, and a ContainerEvent of type
* INSTALL_EVENT will be sent to all registered listeners
* after the associated Context is started, with the newly created
* Context as an argument.
*
* @param contextPath The context path to which this application should
* be installed (must be unique)
* @param war A URL of type "jar:" that points to a WAR file, or type
* "file:" that points to an unpacked directory structure containing
* the web application to be installed
*
* @exception IllegalArgumentException if the specified context path
* is malformed (it must be "" or start with a slash)
* @exception IllegalStateException if the specified context path
* is already attached to an existing web application
* @exception IOException if an input/output error was encountered
* during installation
*/
public synchronized void install(String contextPath, URL war)
throws IOException {
// Validate the format and state of our arguments
if (contextPath == null)
throw new IllegalArgumentException
(rb.getString(LogFacade.CONTEXT_PATH_REQUIRED_EXCEPTION));
if (!contextPath.equals("") && !contextPath.startsWith("/")) {
String msg = MessageFormat.format(rb.getString(LogFacade.INVALID_CONTEXT_PATH_EXCEPTION), contextPath);
throw new IllegalArgumentException(msg);
}
if (findDeployedApp(contextPath) != null)
{
String msg = MessageFormat.format(rb.getString(LogFacade.CONTEXT_PATH_ALREADY_USED_EXCEPTION), contextPath);
throw new IllegalStateException(msg);
}
if (war == null)
throw new IllegalArgumentException
(rb.getString(LogFacade.URL_WEB_APP_ARCHIVE_REQUIRED_EXCEPTION));
// Calculate the document base for the new web application
if (log.isLoggable(Level.INFO)) {
log.log(Level.INFO, LogFacade.INSTALLING_WEB_APP_INFO, new Object[] {contextPath, war.toString()});
}
String url = war.toString();
String docBase = null;
boolean isWAR = false;
if (url.startsWith("jar:")) {
url = url.substring(4, url.length() - 2);
if (!url.toLowerCase(Locale.ENGLISH).endsWith(".war")) {
String msg = MessageFormat.format(rb.getString(LogFacade.INVALID_URL_WEB_APP_EXCEPTION), url);
throw new IllegalArgumentException(msg);
}
isWAR = true;
}
if (url.startsWith("file://"))
docBase = url.substring(7);
else if (url.startsWith("file:"))
docBase = url.substring(5);
else {
String msg = MessageFormat.format(rb.getString(LogFacade.INVALID_URL_WEB_APP_EXCEPTION), url);
throw new IllegalArgumentException(msg);
}
// Determine if directory/war to install is in the host appBase
boolean isAppBase = false;
File appBase = new File(host.getAppBase());
if (!appBase.isAbsolute())
appBase = new File(System.getProperty("catalina.base"),
host.getAppBase());
File contextFile = new File(docBase);
File baseDir = contextFile.getParentFile();
if (appBase.getCanonicalPath().equals(baseDir.getCanonicalPath())) {
isAppBase = true;
}
// For security, if deployXML is false only allow directories
// and war files from the hosts appBase
if (!host.isDeployXML() && !isAppBase) {
String msg = MessageFormat.format(rb.getString(LogFacade.HOST_WEB_APP_DIR_CAN_BE_INSTALLED_EXCEPTION), url);
throw new IllegalArgumentException(msg);
}
// Make sure contextPath and directory/war names match when
// installing from the host appBase
if (isAppBase && host.getAutoDeploy()) {
String filename = contextFile.getName();
if (isWAR) {
filename = filename.substring(0,filename.length()-4);
}
if (contextPath.length() == 0) {
if (!filename.equals("ROOT")) {
String msg = MessageFormat.format(rb.getString(LogFacade.CONSTEXT_PATH_MATCH_DIR_WAR_NAME_EXCEPTION),
new Object[] {"/", "ROOT"});
throw new IllegalArgumentException(msg);
}
} else if (!filename.equals(contextPath.substring(1))) {
String msg = MessageFormat.format(rb.getString(LogFacade.CONSTEXT_PATH_MATCH_DIR_WAR_NAME_EXCEPTION),
new Object[] {contextPath, filename});
throw new IllegalArgumentException(msg);
}
}
// Expand war file if host wants wars unpacked
if (isWAR && host.isUnpackWARs()) {
docBase = ExpandWar.expand(host, war, contextPath);
}
// Install the new web application
try {
Class clazz = Class.forName(host.getContextClass());
Context context = (Context) clazz.newInstance();
context.setPath(contextPath);
context.setDocBase(docBase);
if (context instanceof Lifecycle) {
clazz = Class.forName(host.getConfigClass());
LifecycleListener listener =
(LifecycleListener) clazz.newInstance();
((Lifecycle) context).addLifecycleListener(listener);
}
host.fireContainerEvent(PRE_INSTALL_EVENT, context);
host.addChild(context);
host.fireContainerEvent(INSTALL_EVENT, context);
} catch (ClassNotFoundException e) {
log.log(Level.INFO, "", e);
} catch (Exception e) {
log.log(Level.INFO, LogFacade.ERROR_INSTALLING_EXCEPTION, e);
throw new IOException(e.toString());
}
}
/**
* Install a new web application, whose web application archive is at the
* specified URL, into this container with the specified context path.
* A context path of "" (the empty string) should be used for the root
* application for this container. Otherwise, the context path must
* start with a slash.
*
* If this application is successfully installed, a ContainerEvent of type
* PRE_INSTALL_EVENT will be sent to registered listeners
* before the associated Context is started, and a ContainerEvent of type
* INSTALL_EVENT will be sent to all registered listeners
* after the associated Context is started, with the newly created
* Context as an argument.
*
* @param contextPath The context path to which this application should
* be installed (must be unique)
* @param war A URL of type "jar:" that points to a WAR file, or type
* "file:" that points to an unpacked directory structure containing
* the web application to be installed
* @param configFile The path to a file to save the Context information.
* If configFile is null, the Context information is saved in server.xml;
* if it is NOT null, the Context information is saved in configFile.
*
* @exception IllegalArgumentException if the specified context path
* is malformed (it must be "" or start with a slash)
* @exception IllegalStateException if the specified context path
* is already attached to an existing web application
* @exception IOException if an input/output error was encountered
* during installation
*/
public synchronized void install(String contextPath, URL war,
String configFile) throws IOException {
// Validate the format and state of our arguments
if (contextPath == null)
throw new IllegalArgumentException
(rb.getString(LogFacade.CONTEXT_PATH_REQUIRED_EXCEPTION));
if (!contextPath.equals("") && !contextPath.startsWith("/")) {
String msg = MessageFormat.format(rb.getString(LogFacade.INVALID_CONTEXT_PATH_EXCEPTION), contextPath);
throw new IllegalArgumentException(msg);
}
if (findDeployedApp(contextPath) != null) {
String msg = MessageFormat.format(rb.getString(LogFacade.CONTEXT_PATH_ALREADY_USED_EXCEPTION), contextPath);
throw new IllegalStateException(msg);
}
if (war == null)
throw new IllegalArgumentException
(rb.getString(LogFacade.URL_WEB_APP_ARCHIVE_REQUIRED_EXCEPTION));
// Calculate the document base for the new web application
if (log.isLoggable(Level.INFO)) {
log.log(Level.INFO, LogFacade.INSTALLING_WEB_APP_INFO, new Object[] {contextPath, war.toString()});
}
String url = war.toString();
String docBase = null;
boolean isWAR = false;
if (url.startsWith("jar:")) {
url = url.substring(4, url.length() - 2);
if (!url.toLowerCase(Locale.ENGLISH).endsWith(".war")) {
String msg = MessageFormat.format(rb.getString(LogFacade.INVALID_URL_WEB_APP_EXCEPTION), url);
throw new IllegalArgumentException(msg);
}
isWAR = true;
}
if (url.startsWith("file://"))
docBase = url.substring(7);
else if (url.startsWith("file:"))
docBase = url.substring(5);
else {
String msg = MessageFormat.format(rb.getString(LogFacade.INVALID_URL_WEB_APP_EXCEPTION), url);
throw new IllegalArgumentException(msg);
}
// Expand war file if host wants wars unpacked
if (isWAR && host.isUnpackWARs()) {
docBase = ExpandWar.expand(host, war, contextPath);
}
// Install the new web application
try {
Class clazz = Class.forName(host.getContextClass());
Context context = (Context) clazz.newInstance();
context.setPath(contextPath);
context.setDocBase(docBase);
context.setConfigFile(configFile);
if (context instanceof Lifecycle) {
clazz = Class.forName(host.getConfigClass());
LifecycleListener listener =
(LifecycleListener) clazz.newInstance();
((Lifecycle) context).addLifecycleListener(listener);
}
host.fireContainerEvent(PRE_INSTALL_EVENT, context);
host.addChild(context);
host.fireContainerEvent(INSTALL_EVENT, context);
// save context info into configFile
//Engine engine = (Engine)host.getParent();
//StandardServer server = (StandardServer) engine.getService().getServer();
//server.storeContext(context);
} catch (Exception e) {
String msg = MessageFormat.format(rb.getString(LogFacade.ERROR_DEPLOYING_APP_CONTEXT_PATH_EXCEPTION), contextPath);
log.log(Level.SEVERE, msg, e);
throw new IOException(e.toString());
}
}
/**
*
Install a new web application, whose context configuration file
* (consisting of a <Context> element) and (optional)
* web application archive are at the specified URLs.
*
* If this application is successfully installed, a ContainerEvent of type
* PRE_INSTALL_EVENT will be sent to registered listeners
* before the associated Context is started, and a ContainerEvent of type
* INSTALL_EVENT will be sent to all registered listeners
* after the associated Context is started, with the newly created
* Context as an argument.
*
* @param config A URL that points to the context configuration descriptor
* to be used for configuring the new Context
* @param war A URL of type "jar:" that points to a WAR file, or type
* "file:" that points to an unpacked directory structure containing
* the web application to be installed, or null to use
* the docBase attribute from the configuration descriptor
*
* @exception IllegalArgumentException if one of the specified URLs is
* null
* @exception IllegalStateException if the context path specified in the
* context configuration file is already attached to an existing web
* application
* @exception IOException if an input/output error was encountered
* during installation
*/
public synchronized void install(URL config, URL war) throws IOException {
// Validate the format and state of our arguments
if (config == null)
throw new IllegalArgumentException
(rb.getString(LogFacade.URL_CONFIG_FILE_REQUIRED_EXCEPTION));
if (!host.isDeployXML())
throw new IllegalArgumentException
(rb.getString(LogFacade.USE_CONFIG_FILE_NOT_ALLOWED));
if (log.isLoggable(Level.INFO)) {
log.log(Level.INFO, LogFacade.PROCESSING_CONTEXT_CONFIG_INFO, config);
}
// Calculate the document base for the new web application (if needed)
String docBase = null; // Optional override for value in config file
boolean isWAR = false;
if (war != null) {
String url = war.toString();
if (log.isLoggable(Level.INFO)) {
log.log(Level.INFO, LogFacade.INSTALLING_WEB_APP_FROM_URL_INFO, url);
}
// Calculate the WAR file absolute pathname
if (url.startsWith("jar:")) {
url = url.substring(4, url.length() - 2);
isWAR = true;
}
if (url.startsWith("file://"))
docBase = url.substring(7);
else if (url.startsWith("file:"))
docBase = url.substring(5);
else
throw new IllegalArgumentException
(rb.getString(LogFacade.INVALID_URL_WEB_APP_EXCEPTION));
}
// Expand war file if host wants wars unpacked
if (isWAR && host.isUnpackWARs()) {
docBase = ExpandWar.expand(host, war);
}
// Install the new web application
this.overrideDocBase = docBase;
if (config.toString().startsWith("file:")) {
this.overrideConfigFile = config.getFile();
}
InputStream stream = null;
try {
stream = config.openStream();
Digester digester = createDigester();
digester.setDebug(host.getDebug());
digester.setClassLoader(this.getClass().getClassLoader());
digester.clear();
digester.push(this);
digester.parse(stream);
stream.close();
stream = null;
} catch (Exception e) {
String msg = MessageFormat.format(rb.getString(LogFacade.ERROR_DEPLOYING_APP_CONTEXT_PATH_EXCEPTION), docBase);
host.log(msg, e);
throw new IOException(e.toString());
} finally {
if (stream != null) {
try {
stream.close();
} catch (Throwable t) {
;
}
}
this.overrideDocBase = null;
this.overrideConfigFile = null;
}
}
/**
* Return the Context for the deployed application that is associated
* with the specified context path (if any); otherwise return
* null.
*
* @param contextPath The context path of the requested web application
*/
public Context findDeployedApp(String contextPath) {
return ((Context) host.findChild(contextPath));
}
/**
* Return the context paths of all deployed web applications in this
* Container. If there are no deployed applications, a zero-length
* array is returned.
*/
public String[] findDeployedApps() {
Container children[] = host.findChildren();
String results[] = new String[children.length];
for (int i = 0; i < children.length; i++)
results[i] = children[i].getName();
return (results);
}
/**
* Remove an existing web application, attached to the specified context
* path. If this application is successfully removed, a
* ContainerEvent of type REMOVE_EVENT will be sent to all
* registered listeners, with the removed Context as
* an argument.
*
* @param contextPath The context path of the application to be removed
*
* @exception IllegalArgumentException if the specified context path
* is malformed (it must be "" or start with a slash)
* @exception IllegalArgumentException if the specified context path does
* not identify a currently installed web application
* @exception IOException if an input/output error occurs during
* removal
*/
public void remove(String contextPath) throws IOException {
// Validate the format and state of our arguments
if (contextPath == null)
throw new IllegalArgumentException
(rb.getString(LogFacade.CONTEXT_PATH_REQUIRED_EXCEPTION));
if (!contextPath.equals("") && !contextPath.startsWith("/")) {
String msg = MessageFormat.format(rb.getString(LogFacade.INVALID_CONTEXT_PATH_EXCEPTION), contextPath);
throw new IllegalArgumentException(msg);
}
// Locate the context and associated work directory
Context context = findDeployedApp(contextPath);
if (context == null) {
String msg = MessageFormat.format(rb.getString(LogFacade.CONTEXT_PATH_NOT_IN_USE), contextPath);
throw new IllegalArgumentException(msg);
}
// Remove this web application
if (log.isLoggable(Level.INFO)) {
log.log(Level.INFO, LogFacade.REMOVING_WEB_APP_INFO, contextPath);
}
try {
host.removeChild(context);
host.fireContainerEvent(REMOVE_EVENT, context);
} catch (Exception e) {
String msg = MessageFormat.format(rb.getString(LogFacade.ERROR_REMOVING_APP_EXCEPTION), contextPath);
log.log(Level.SEVERE, msg, e);
throw new IOException(e.toString());
}
}
/**
* Remove an existing web application, attached to the specified context
* path. If this application is successfully removed, a
* ContainerEvent of type REMOVE_EVENT will be sent to all
* registered listeners, with the removed Context as
* an argument. Deletes the web application war file and/or directory
* if they exist in the Host's appBase.
*
* @param contextPath The context path of the application to be removed
* @param undeploy boolean flag to remove web application from server
*
* @exception IllegalArgumentException if the specified context path
* is malformed (it must be "" or start with a slash)
* @exception IllegalArgumentException if the specified context path does
* not identify a currently installed web application
* @exception IOException if an input/output error occurs during
* removal
*/
public void remove(String contextPath, boolean undeploy)
throws IOException {
// Validate the format and state of our arguments
if (contextPath == null)
throw new IllegalArgumentException
(rb.getString(LogFacade.CONTEXT_PATH_REQUIRED_EXCEPTION));
if (!contextPath.equals("") && !contextPath.startsWith("/")) {
String msg = MessageFormat.format(rb.getString(LogFacade.INVALID_CONTEXT_PATH_EXCEPTION), contextPath);
throw new IllegalArgumentException(msg);
}
// Locate the context and associated work directory
Context context = findDeployedApp(contextPath);
if (context == null) {
String msg = MessageFormat.format(rb.getString(LogFacade.CONTEXT_PATH_NOT_IN_USE), contextPath);
throw new IllegalArgumentException(msg);
}
// Remove this web application
String msgInfo = MessageFormat.format(rb.getString(LogFacade.REMOVING_WEB_APP_INFO), contextPath);
host.log(msgInfo);
try {
// Get the work directory for the Context
File workDir =
(File) context.getServletContext().getAttribute
(ServletContext.TEMPDIR);
String configFile = context.getConfigFile();
host.removeChild(context);
if (undeploy) {
// Remove the web application directory and/or war file if it
// exists in the Host's appBase directory.
// Determine if directory/war to remove is in the host appBase
boolean isAppBase = false;
File appBase = new File(host.getAppBase());
if (!appBase.isAbsolute())
appBase = new File(System.getProperty("catalina.base"),
host.getAppBase());
File contextFile = new File(context.getDocBase());
File baseDir = contextFile.getParentFile();
if ((baseDir == null)
|| (appBase.getCanonicalPath().equals
(baseDir.getCanonicalPath()))) {
isAppBase = true;
}
boolean isWAR = false;
if (contextFile.getName().toLowerCase(Locale.ENGLISH).endsWith(".war")) {
isWAR = true;
}
// Only remove directory and/or war if they are located in the
// Host's appBase autoDeploy is true
if (isAppBase && host.getAutoDeploy()) {
String filename = contextFile.getName();
if (isWAR) {
filename = filename.substring(0,filename.length()-4);
}
if (contextPath.length() == 0 && filename.equals("ROOT") ||
filename.equals(contextPath.substring(1))) {
if (!isWAR) {
long contextLastModified =
contextFile.lastModified();
if (contextFile.isDirectory()) {
deleteDir(contextFile);
}
if (host.isUnpackWARs()) {
File contextWAR =
new File(context.getDocBase() + ".war");
if (contextWAR.exists()) {
if (contextLastModified
> contextWAR.lastModified()) {
deleteFile(contextWAR);
}
}
}
} else {
deleteFile(contextFile);
}
}
if (host.isDeployXML() && (configFile != null)) {
File docBaseXml = new File(configFile);
deleteFile(docBaseXml);
}
}
// Remove the work directory for the Context
if (workDir == null &&
context instanceof StandardContext &&
((StandardContext)context).getWorkDir() != null) {
workDir = new File(((StandardContext)context).getWorkPath());
}
if (workDir != null && workDir.exists()) {
deleteDir(workDir);
}
}
host.fireContainerEvent(REMOVE_EVENT, context);
} catch (Exception e) {
String msgException = MessageFormat.format(rb.getString(LogFacade.ERROR_REMOVING_APP_EXCEPTION), contextPath);
host.log(msgException, e);
throw new IOException(e.toString());
}
}
/**
* Start an existing web application, attached to the specified context
* path. Only starts a web application if it is not running.
*
* @param contextPath The context path of the application to be started
*
* @exception IllegalArgumentException if the specified context path
* is malformed (it must be "" or start with a slash)
* @exception IllegalArgumentException if the specified context path does
* not identify a currently installed web application
* @exception IOException if an input/output error occurs during
* startup
*/
public void start(String contextPath) throws IOException {
// Validate the format and state of our arguments
if (contextPath == null)
throw new IllegalArgumentException
(rb.getString(LogFacade.CONTEXT_PATH_REQUIRED_EXCEPTION));
if (!contextPath.equals("") && !contextPath.startsWith("/")) {
String msg = MessageFormat.format(rb.getString(LogFacade.INVALID_CONTEXT_PATH_EXCEPTION), contextPath);
throw new IllegalArgumentException(msg);
}
Context context = findDeployedApp(contextPath);
if (context == null) {
String msg = MessageFormat.format(rb.getString(LogFacade.CONTEXT_PATH_NOT_IN_USE), contextPath);
throw new IllegalArgumentException(msg);
}
if (log.isLoggable(Level.INFO)) {
log.log(Level.INFO, LogFacade.STARTING_WEB_APP_INFO, contextPath);
}
try {
((Lifecycle) context).start();
} catch (LifecycleException e) {
String msg = MessageFormat.format(rb.getString(LogFacade.STARTING_WEB_APP_FAILED_EXCEPTION), contextPath);
log.log(Level.SEVERE, msg, e);
throw new IllegalStateException(msg, e);
}
}
/**
* Stop an existing web application, attached to the specified context
* path. Only stops a web application if it is running.
*
* @param contextPath The context path of the application to be stopped
*
* @exception IllegalArgumentException if the specified context path
* is malformed (it must be "" or start with a slash)
* @exception IllegalArgumentException if the specified context path does
* not identify a currently installed web application
* @exception IOException if an input/output error occurs while stopping
* the web application
*/
public void stop(String contextPath) throws IOException {
// Validate the format and state of our arguments
if (contextPath == null)
throw new IllegalArgumentException
(rb.getString(LogFacade.CONTEXT_PATH_REQUIRED_EXCEPTION));
if (!contextPath.equals("") && !contextPath.startsWith("/")) {
String msg = MessageFormat.format(rb.getString(LogFacade.INVALID_CONTEXT_PATH_EXCEPTION), contextPath);
throw new IllegalArgumentException(msg);
}
Context context = findDeployedApp(contextPath);
if (context == null) {
String msg = MessageFormat.format(rb.getString(LogFacade.CONTEXT_PATH_NOT_IN_USE), contextPath);
throw new IllegalArgumentException(msg);
}
if (log.isLoggable(Level.INFO)) {
log.log(Level.INFO, LogFacade.STOPPING_WEB_APP_INFO, contextPath);
}
try {
((Lifecycle) context).stop();
} catch (LifecycleException e) {
String msg = MessageFormat.format(rb.getString(LogFacade.STOPPING_WEB_APP_FAILED_EXCEPTION), contextPath);
log.log(Level.SEVERE, msg, e);
throw new IllegalStateException(msg, e);
}
}
// ------------------------------------------------------ Delegated Methods
/**
* Delegate a request to add a child Context to our associated Host.
*
* @param child The child Context to be added
*/
public void addChild(Container child) {
Context context = null;
String contextPath = null;
if (child instanceof Context) {
context = (Context) child;
contextPath = context.getPath();
}
if (contextPath == null)
throw new IllegalArgumentException
(rb.getString(LogFacade.CONTEXT_PATH_REQUIRED_EXCEPTION));
else if (!contextPath.equals("") && !contextPath.startsWith("/")) {
String msg = MessageFormat.format(rb.getString(LogFacade.INVALID_CONTEXT_PATH_EXCEPTION), contextPath);
throw new IllegalArgumentException(msg);
}
if (host.findChild(contextPath) != null) {
String msg = MessageFormat.format(rb.getString(LogFacade.CONTEXT_PATH_ALREADY_USED_EXCEPTION), contextPath);
throw new IllegalStateException(msg);
}
if (this.overrideDocBase != null)
context.setDocBase(this.overrideDocBase);
if (this.overrideConfigFile != null)
context.setConfigFile(this.overrideConfigFile);
host.fireContainerEvent(PRE_INSTALL_EVENT, context);
host.addChild(child);
host.fireContainerEvent(INSTALL_EVENT, context);
}
/**
* Delegate a request for the parent class loader to our associated Host.
*/
public ClassLoader getParentClassLoader() {
return (host.getParentClassLoader());
}
// ------------------------------------------------------ Protected Methods
/**
* Create (if necessary) and return a Digester configured to process the
* context configuration descriptor for an application.
*/
protected Digester createDigester() {
if (digester == null) {
digester = new Digester();
if (host.getDebug() > 0)
digester.setDebug(3);
digester.setValidating(false);
contextRuleSet = new ContextRuleSet("");
digester.addRuleSet(contextRuleSet);
namingRuleSet = new NamingRuleSet("Context/");
digester.addRuleSet(namingRuleSet);
}
return (digester);
}
/**
* Delete the specified directory, including all of its contents and
* subdirectories recursively.
*
* @param dir File object representing the directory to be deleted
*/
protected void deleteDir(File dir) {
String files[] = dir.list();
if (files == null) {
files = new String[0];
}
for (int i = 0; i < files.length; i++) {
File file = new File(dir, files[i]);
if (file.isDirectory()) {
deleteDir(file);
} else {
deleteFile(file);
}
}
deleteFile(dir);
}
protected void deleteFile(File dir) {
if (!dir.delete()) {
log.log(Level.WARNING, LogFacade.FAILED_REMOVE_FILE, dir.getAbsolutePath());
}
}
}