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package com.sun.enterprise.web.connector;
import javax.management.*;
import java.lang.String;
import java.text.MessageFormat;
import java.util.ResourceBundle;
import java.util.concurrent.ConcurrentHashMap;
import java.util.logging.Level;
import java.util.logging.Logger;
import com.sun.enterprise.web.WebContainer;
import com.sun.enterprise.config.serverbeans.HttpService;
import com.sun.enterprise.config.serverbeans.VirtualServer;
import org.apache.catalina.*;
import org.apache.catalina.core.ContainerBase;
import org.apache.catalina.core.ContextsAdapterUtility;
import org.apache.catalina.core.StandardContext;
import org.apache.catalina.core.StandardHost;
import org.apache.catalina.core.StandardWrapper;
import org.apache.catalina.util.RequestUtil;
import org.glassfish.grizzly.http.server.util.Mapper;
import org.glassfish.grizzly.http.server.util.MappingData;
import org.glassfish.grizzly.http.util.DataChunk;
import org.glassfish.web.LogFacade;
/**
* Mapper listener.
*
* @author Remy Maucherat
* @author Costin Manolache
* @author Amy Roh
*/
public class MapperListener implements NotificationListener, NotificationFilter{
// ----------------------------------------------------- Instance Variables
private String defaultHost;
private String domain="*";
private transient Engine engine = null;
public transient HttpService httpService;
protected static final Logger logger = LogFacade.getLogger();
protected static final ResourceBundle rb = logger.getResourceBundle();
protected transient Mapper mapper = null;
// START SJSAS 6313044
private String myInstance;
// END SJSAS 6313044
private String networkListenerName;
private ConcurrentHashMap virtualServerListenerNames;
private transient WebContainer webContainer;
// ----------------------------------------------------------- Constructors
/**
* Create mapper listener.
*/
public MapperListener(Mapper mapper, WebContainer webContainer) {
this.mapper = mapper;
virtualServerListenerNames = new ConcurrentHashMap();
this.webContainer = webContainer;
}
// --------------------------------------------------------- Public Methods
public String getDomain() {
return domain;
}
public void setDomain(String domain) {
this.domain = domain;
}
// BEGIN S1AS 5000999
public String getNetworkListenerName() {
return networkListenerName;
}
public void setNetworkListenerName(String networkListenerName) {
this.networkListenerName = networkListenerName;
}
public String getDefaultHost() {
return defaultHost;
}
public void setDefaultHost(String defaultHost) {
this.defaultHost = defaultHost;
}
// END S1AS 5000999
public void setInstanceName(String instanceName) {
myInstance = instanceName;
}
/**
* Initialize associated mapper.
*/
public void init() {
if (webContainer == null) {
logger.log(Level.SEVERE, LogFacade.CANNOT_FIND_WEB_CONTAINER);
return;
}
try {
httpService = webContainer.getHttpService();
engine = webContainer.getEngine();
if (engine == null) {
logger.log(Level.SEVERE, LogFacade.CANNOT_FIND_ENGINE);
return;
}
if (defaultHost != null) {
mapper.setDefaultHostName(defaultHost);
}
for (VirtualServer vs : httpService.getVirtualServer()) {
Container host = engine.findChild(vs.getId());
if (host instanceof StandardHost) {
registerHost((StandardHost)host);
for (Container context: host.findChildren()) {
if (context instanceof StandardContext) {
registerContext((StandardContext)context);
for (Container wrapper : context.findChildren()) {
if (wrapper instanceof StandardWrapper) {
registerWrapper((StandardWrapper)wrapper);
}
}
}
}
}
}
} catch (Exception e) {
logger.log(Level.WARNING, LogFacade.ERROR_REGISTERING_CONTEXTS, e);
}
}
// START SJSAS 6313044
// ------------------------------------------ NotificationFilter Methods
/**
* Filters out any notifications corresponding to MBeans belonging to
* a different server instance than the server instance on which this
* MapperListener is running.
*
* @param notification The notification to be examined
*
* @return true if the notification needs to be sent to this
* MapperListener, false otherwise.
*/
public boolean isNotificationEnabled(Notification notification) {
if (notification instanceof MBeanServerNotification) {
ObjectName objectName =
((MBeanServerNotification) notification).getMBeanName();
String otherDomain = objectName.getDomain();
if (this.domain != null && !(this.domain.equals(otherDomain))) {
return false;
}
String otherInstance = objectName.getKeyProperty("J2EEServer");
if (myInstance != null && otherInstance != null
&& !otherInstance.equals(myInstance)) {
return false;
}
}
return true;
}
// END SJSAS 6313044
// ------------------------------------------- NotificationListener Methods
public void handleNotification(Notification notification,
java.lang.Object handback) {
if (notification.getType().equals("j2ee.object.created")) {
ContainerBase container = ((ContainerBase)notification.getSource());
if (container instanceof StandardHost) {
try {
registerHost((StandardHost)container);
} catch (Exception e) {
throw new RuntimeException(
"Error registering Host " + container.getObjectName(), e);
}
} else if (container instanceof StandardContext) {
try {
registerContext((StandardContext)container);
} catch (Throwable t) {
throw new RuntimeException(
"Error registering Context " + container.getObjectName(), t);
}
} else if (container instanceof StandardWrapper) {
try {
registerWrapper((StandardWrapper)container);
} catch (Throwable t) {
throw new RuntimeException(
"Error registering Wrapper " + container.getObjectName(), t);
}
}
} else if (notification.getType().equals("j2ee.object.deleted")) {
ContainerBase container = ((ContainerBase)notification.getSource());
if (container instanceof StandardHost) {
try {
unregisterHost(container.getJmxName());
} catch (Exception e) {
throw new RuntimeException("" +
"Error unregistering Host " + container.getObjectName(), e);
}
} else if (container instanceof StandardContext) {
try {
unregisterContext(container.getJmxName());
} catch (Throwable t) {
throw new RuntimeException(
"Error unregistering webapp " + container.getObjectName(), t);
}
} else if (container instanceof StandardWrapper) {
ObjectName objectName = container.getJmxName();
if (Boolean.parseBoolean(objectName.getKeyProperty("osgi")) &&
objectName.getKeyProperty("j2eeType").equals("Servlet")) {
try {
unregisterOSGiWrapper(objectName);
} catch (Throwable t) {
throw new RuntimeException(
"Error unregistering osgi wrapper " + objectName, t);
}
}
}
}
}
// ------------------------------------------------------ Protected Methods
/**
* Register host.
*/
public void registerHost(StandardHost host)
throws Exception {
if (host.getJmxName() == null) {
return;
}
String name = host.getName();
// BEGIN S1AS 5000999
/*
* Register the given Host only if one of its associated network listener
* names matches the network listener name of this MapperListener
*/
String[] nlNames = host.getNetworkListenerNames();
boolean nameMatch = false;
if (nlNames != null) {
for (String nlName : nlNames) {
if (nlName.equals(this.networkListenerName)) {
nameMatch = true;
break;
}
}
}
if (!nameMatch) {
if (logger.isLoggable(Level.FINE)) {
logger.log(Level.FINE, LogFacade.IGNORE_HOST_REGISTRATIONS, new Object[]{networkListenerName, name});
}
return;
}
// nameMatch = true here, so nlNames != null
virtualServerListenerNames.put(host.getJmxName(), nlNames);
// END S1AS 5000999
String[] aliases = host.findAliases();
mapper.addHost(name, aliases, host);
}
/**
* Unregister host.
*/
public void unregisterHost(ObjectName objectName)
throws Exception {
String name=objectName.getKeyProperty("host");
// BEGIN S1AS 5000999
if (name != null) {
String[] nlNames = virtualServerListenerNames.get(objectName);
boolean nameMatch = false;
if (nlNames != null) {
virtualServerListenerNames.remove(objectName);
for (String nlName : nlNames) {
if (nlName.equals(this.networkListenerName)) {
nameMatch = true;
break;
}
}
}
if (!nameMatch) {
return;
}
}
// END S1AS 5000999
mapper.removeHost(name);
}
/**
* Register context.
*/
private void registerContext(StandardContext context)
throws Exception {
ObjectName objectName = context.getJmxName();
if (objectName == null) {
return;
}
String name = objectName.getKeyProperty("name");
String hostName = null;
String contextName = null;
if (name.startsWith("//")) {
name = name.substring(2);
}
int slash = name.indexOf('/');
if (slash != -1) {
hostName = name.substring(0, slash);
contextName = name.substring(slash);
contextName = RequestUtil.urlDecode(contextName , "UTF-8");
} else {
return;
}
// Special case for the root context
if (contextName.equals("/")) {
contextName = "";
}
if (logger.isLoggable(Level.FINE)) {
logger.log(Level.FINE, LogFacade.REGISTER_CONTEXT, contextName);
}
javax.naming.Context resources = context.findStaticResources();
String[] welcomeFiles = context.getWelcomeFiles();
mapper.addContext(hostName, contextName, context,
welcomeFiles, ContextsAdapterUtility.wrap(resources),
context.getAlternateDocBases());
}
/**
* Unregister context.
*/
private void unregisterContext(ObjectName objectName)
throws Exception {
String name = objectName.getKeyProperty("name");
String hostName = null;
String contextName = null;
if (name.startsWith("//")) {
name = name.substring(2);
}
int slash = name.indexOf('/');
if (slash != -1) {
hostName = name.substring(0, slash);
contextName = name.substring(slash);
contextName = RequestUtil.urlDecode(contextName , "UTF-8");
} else {
return;
}
// Special case for the root context
if (contextName.equals("/")) {
contextName = "";
}
// Don't un-map a context that is paused
DataChunk hostDC = DataChunk.newInstance();
hostDC.setString(hostName);
DataChunk contextDC = DataChunk.newInstance();
contextDC.setString(contextName);
MappingData mappingData = new MappingData();
mapper.map(hostDC, contextDC, mappingData);
if (mappingData.context instanceof StandardContext &&
((StandardContext)mappingData.context).getPaused()) {
return;
}
if (logger.isLoggable(Level.FINE)) {
logger.log(Level.FINE, LogFacade.REGISTER_CONTEXT, contextName);
}
mapper.removeContext(hostName, contextName);
}
/**
* Register wrapper.
*/
private void registerWrapper(StandardWrapper wrapper)
throws Exception {
ObjectName objectName = wrapper.getJmxName();
if (objectName == null) {
return;
}
String wrapperName = objectName.getKeyProperty("name");
String name = objectName.getKeyProperty("WebModule");
String hostName = null;
String contextName = null;
if (name.startsWith("//")) {
name = name.substring(2);
}
int slash = name.indexOf('/');
if (slash != -1) {
hostName = name.substring(0, slash);
contextName = name.substring(slash);
contextName = RequestUtil.urlDecode(contextName , "UTF-8");
} else {
return;
}
// Special case for the root context
if (contextName.equals("/")) {
contextName = "";
}
String msg = MessageFormat.format(rb.getString(LogFacade.REGISTER_WRAPPER), wrapperName, contextName);
if (logger.isLoggable(Level.FINE)) {
logger.fine(msg);
}
String[] mappings = wrapper.findMappings();
for (int i = 0; i < mappings.length; i++) {
boolean jspWildCard = (wrapperName.equals("jsp")
&& mappings[i].endsWith("/*"));
mapper.addWrapper(hostName, contextName, mappings[i], wrapper,
jspWildCard, wrapperName, true);
}
}
/**
* Unregister wrapper.
*/
private void unregisterOSGiWrapper(ObjectName objectName)
throws Exception {
// If the domain is the same with ours or the engine
// name attribute is the same... - then it's ours
String targetDomain=objectName.getDomain();
if( ! domain.equals( targetDomain )) {
return;
}
String name = objectName.getKeyProperty("WebModule");
String hostName = null;
String contextName = null;
if (name.startsWith("//")) {
name = name.substring(2);
}
int slash = name.indexOf('/');
if (slash != -1) {
hostName = name.substring(0, slash);
contextName = name.substring(slash);
contextName = RequestUtil.urlDecode(contextName , "UTF-8");
} else {
return;
}
// Special case for the root context
if (contextName.equals("/")) {
contextName = "";
}
String mapping = objectName.getKeyProperty("name");
if ("/".equals(mapping)) {
mapping = "/*";
} else {
mapping += "/*";
}
mapper.removeWrapper(hostName, contextName, mapping);
}
}
