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package com.sun.enterprise.web.connector.extension;
import org.apache.catalina.*;
/**
* Listener used to receive events from Catalina when a <code>Context</code>
* is removed or when a <code>Host</code> is removed.
*
* @author Jean-Francois Arcand
*/
public class CatalinaListener implements ContainerListener{
public void containerEvent(ContainerEvent event) {
if (Container.REMOVE_CHILD_EVENT.equals(event.getType()) ) {
Context context;
String contextPath;
Host host;
Object container = event.getData();
if ( container instanceof Context) {
context = (Context)container;
if (!context.hasConstraints() &&
context.findFilterDefs().length == 0 ){
contextPath = context.getPath();
host = (Host)context.getParent();
String[] names = host.getNetworkListenerNames();
for (String name : names) {
removeContextPath(name, contextPath);
}
}
}
}
}
/**
* Remove from the <code>FileCache</code> all entries related to
* the <code>Context</code> path.
* @param id the <code>FileCacheFactory</code> id
* @param contextPath the <code>Context</code> path
*/
private void removeContextPath(String id, String contextPath) {
// FIXME: I can't spot where Grizzly is registering mbeans, and this code
// tries to invoke it and fails during the undeployment.
// Commented out for now for the sake of JavaOne demo.
// ArrayList<GrizzlyConfig> list =
// GrizzlyConfig.getGrizzlyConfigInstances();
// for(GrizzlyConfig config: list){
// if (config.getPort() == port){
// config.invokeGrizzly("removeCacheEntry",
// new Object[]{contextPath},
// new String[]{"java.lang.String"});
// }
// }
}
}