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/*
* 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.deploy;
import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;
import java.io.Serializable;
import java.util.HashMap;
import java.util.Hashtable;
import org.apache.catalina.Context;
import org.apache.catalina.Engine;
import org.apache.catalina.Server;
/**
* Holds and manages the naming resources defined in the J2EE Enterprise
* Naming Context and their associated JNDI context.
*
* @author Remy Maucherat
* @version $Id: NamingResources.java 987920 2010-08-22 15:34:34Z markt $
*/
public class NamingResources implements Serializable {
private static final long serialVersionUID = 1L;
// ----------------------------------------------------------- Constructors
/**
* Create a new NamingResources instance.
*/
public NamingResources() {
// NOOP
}
// ----------------------------------------------------- Instance Variables
/**
* Associated container object.
*/
private Object container = null;
/**
* List of naming entries, keyed by name. The value is the entry type, as
* declared by the user.
*/
private Hashtable entries =
new Hashtable();
/**
* The EJB resource references for this web application, keyed by name.
*/
private HashMap ejbs =
new HashMap();
/**
* The environment entries for this web application, keyed by name.
*/
private HashMap envs =
new HashMap();
/**
* The local EJB resource references for this web application, keyed by
* name.
*/
private HashMap localEjbs =
new HashMap();
/**
* The message destination referencess for this web application,
* keyed by name.
*/
private HashMap mdrs =
new HashMap();
/**
* The resource environment references for this web application,
* keyed by name.
*/
private HashMap resourceEnvRefs =
new HashMap();
/**
* The resource references for this web application, keyed by name.
*/
private HashMap resources =
new HashMap();
/**
* The resource links for this web application, keyed by name.
*/
private HashMap resourceLinks =
new HashMap();
/**
* The web service references for this web application, keyed by name.
*/
private HashMap services =
new HashMap();
/**
* The transaction for this webapp.
*/
private ContextTransaction transaction = null;
/**
* The property change support for this component.
*/
protected PropertyChangeSupport support = new PropertyChangeSupport(this);
// ------------------------------------------------------------- Properties
/**
* Get the container with which the naming resources are associated.
*/
public Object getContainer() {
return container;
}
/**
* Set the container with which the naming resources are associated.
*/
public void setContainer(Object container) {
this.container = container;
}
/**
* Set the transaction object.
*/
public void setTransaction(ContextTransaction transaction) {
this.transaction = transaction;
}
/**
* Get the transaction object.
*/
public ContextTransaction getTransaction() {
return transaction;
}
/**
* Add an EJB resource reference for this web application.
*
* @param ejb New EJB resource reference
*/
public void addEjb(ContextEjb ejb) {
if (entries.containsKey(ejb.getName())) {
return;
} else {
entries.put(ejb.getName(), ejb.getType());
}
synchronized (ejbs) {
ejb.setNamingResources(this);
ejbs.put(ejb.getName(), ejb);
}
support.firePropertyChange("ejb", null, ejb);
}
/**
* Add an environment entry for this web application.
*
* @param environment New environment entry
*/
public void addEnvironment(ContextEnvironment environment) {
if (entries.containsKey(environment.getName())) {
ContextEnvironment ce = findEnvironment(environment.getName());
ContextResourceLink rl = findResourceLink(environment.getName());
if (ce != null) {
if (ce.getOverride()) {
removeEnvironment(environment.getName());
} else {
return;
}
} else if (rl != null) {
// Link. Need to look at the global resources
NamingResources global = getServer().getGlobalNamingResources();
if (global.findEnvironment(rl.getGlobal()) != null) {
if (global.findEnvironment(rl.getGlobal()).getOverride()) {
removeResourceLink(environment.getName());
} else {
return;
}
}
} else {
// It exists but it isn't an env or a res link...
return;
}
}
entries.put(environment.getName(), environment.getType());
synchronized (envs) {
environment.setNamingResources(this);
envs.put(environment.getName(), environment);
}
support.firePropertyChange("environment", null, environment);
}
// Container should be an instance of Server or Context. If it is anything
// else, return null which will trigger a NPE.
private Server getServer() {
if (container instanceof Server) {
return (Server) container;
}
if (container instanceof Context) {
// Could do this in one go. Lots of casts so split out for clarity
Engine engine =
(Engine) ((Context) container).getParent().getParent();
return engine.getService().getServer();
}
return null;
}
/**
* Add a local EJB resource reference for this web application.
*
* @param ejb New EJB resource reference
*/
public void addLocalEjb(ContextLocalEjb ejb) {
if (entries.containsKey(ejb.getName())) {
return;
} else {
entries.put(ejb.getName(), ejb.getType());
}
synchronized (localEjbs) {
ejb.setNamingResources(this);
localEjbs.put(ejb.getName(), ejb);
}
support.firePropertyChange("localEjb", null, ejb);
}
/**
* Add a message destination reference for this web application.
*
* @param mdr New message destination reference
*/
public void addMessageDestinationRef(MessageDestinationRef mdr) {
if (entries.containsKey(mdr.getName())) {
return;
} else {
entries.put(mdr.getName(), mdr.getType());
}
synchronized (mdrs) {
mdr.setNamingResources(this);
mdrs.put(mdr.getName(), mdr);
}
support.firePropertyChange("messageDestinationRef", null, mdr);
}
/**
* Add a property change listener to this component.
*
* @param listener The listener to add
*/
public void addPropertyChangeListener(PropertyChangeListener listener) {
support.addPropertyChangeListener(listener);
}
/**
* Add a resource reference for this web application.
*
* @param resource New resource reference
*/
public void addResource(ContextResource resource) {
if (entries.containsKey(resource.getName())) {
return;
} else {
entries.put(resource.getName(), resource.getType());
}
synchronized (resources) {
resource.setNamingResources(this);
resources.put(resource.getName(), resource);
}
support.firePropertyChange("resource", null, resource);
}
/**
* Add a resource environment reference for this web application.
*
* @param resource The resource
*/
public void addResourceEnvRef(ContextResourceEnvRef resource) {
if (entries.containsKey(resource.getName())) {
return;
} else {
entries.put(resource.getName(), resource.getType());
}
synchronized (resourceEnvRefs) {
resource.setNamingResources(this);
resourceEnvRefs.put(resource.getName(), resource);
}
support.firePropertyChange("resourceEnvRef", null, resource);
}
/**
* Add a resource link for this web application.
*
* @param resourceLink New resource link
*/
public void addResourceLink(ContextResourceLink resourceLink) {
if (entries.containsKey(resourceLink.getName())) {
return;
} else {
String value = resourceLink.getType();
if (value == null) {
value = "";
}
entries.put(resourceLink.getName(), value);
}
synchronized (resourceLinks) {
resourceLink.setNamingResources(this);
resourceLinks.put(resourceLink.getName(), resourceLink);
}
support.firePropertyChange("resourceLink", null, resourceLink);
}
/**
* Add a web service reference for this web application.
*
* @param service New web service reference
*/
public void addService(ContextService service) {
if (entries.containsKey(service.getName())) {
return;
} else {
String value = service.getType();
if (value == null) {
value = "";
}
entries.put(service.getName(), value);
}
synchronized (services) {
service.setNamingResources(this);
services.put(service.getName(), service);
}
support.firePropertyChange("service", null, service);
}
/**
* Return the EJB resource reference with the specified name, if any;
* otherwise, return null.
*
* @param name Name of the desired EJB resource reference
*/
public ContextEjb findEjb(String name) {
synchronized (ejbs) {
return ejbs.get(name);
}
}
/**
* Return the defined EJB resource references for this application.
* If there are none, a zero-length array is returned.
*/
public ContextEjb[] findEjbs() {
synchronized (ejbs) {
ContextEjb results[] = new ContextEjb[ejbs.size()];
return ejbs.values().toArray(results);
}
}
/**
* Return the environment entry with the specified name, if any;
* otherwise, return null.
*
* @param name Name of the desired environment entry
*/
public ContextEnvironment findEnvironment(String name) {
synchronized (envs) {
return envs.get(name);
}
}
/**
* Return the set of defined environment entries for this web
* application. If none have been defined, a zero-length array
* is returned.
*/
public ContextEnvironment[] findEnvironments() {
synchronized (envs) {
ContextEnvironment results[] = new ContextEnvironment[envs.size()];
return envs.values().toArray(results);
}
}
/**
* Return the local EJB resource reference with the specified name, if any;
* otherwise, return null.
*
* @param name Name of the desired EJB resource reference
*/
public ContextLocalEjb findLocalEjb(String name) {
synchronized (localEjbs) {
return localEjbs.get(name);
}
}
/**
* Return the defined local EJB resource references for this application.
* If there are none, a zero-length array is returned.
*/
public ContextLocalEjb[] findLocalEjbs() {
synchronized (localEjbs) {
ContextLocalEjb results[] = new ContextLocalEjb[localEjbs.size()];
return localEjbs.values().toArray(results);
}
}
/**
* Return the message destination reference with the specified name,
* if any; otherwise, return null.
*
* @param name Name of the desired message destination reference
*/
public MessageDestinationRef findMessageDestinationRef(String name) {
synchronized (mdrs) {
return mdrs.get(name);
}
}
/**
* Return the defined message destination references for this application.
* If there are none, a zero-length array is returned.
*/
public MessageDestinationRef[] findMessageDestinationRefs() {
synchronized (mdrs) {
MessageDestinationRef results[] =
new MessageDestinationRef[mdrs.size()];
return mdrs.values().toArray(results);
}
}
/**
* Return the resource reference with the specified name, if any;
* otherwise return null.
*
* @param name Name of the desired resource reference
*/
public ContextResource findResource(String name) {
synchronized (resources) {
return resources.get(name);
}
}
/**
* Return the resource link with the specified name, if any;
* otherwise return null.
*
* @param name Name of the desired resource link
*/
public ContextResourceLink findResourceLink(String name) {
synchronized (resourceLinks) {
return resourceLinks.get(name);
}
}
/**
* Return the defined resource links for this application. If
* none have been defined, a zero-length array is returned.
*/
public ContextResourceLink[] findResourceLinks() {
synchronized (resourceLinks) {
ContextResourceLink results[] =
new ContextResourceLink[resourceLinks.size()];
return resourceLinks.values().toArray(results);
}
}
/**
* Return the defined resource references for this application. If
* none have been defined, a zero-length array is returned.
*/
public ContextResource[] findResources() {
synchronized (resources) {
ContextResource results[] = new ContextResource[resources.size()];
return resources.values().toArray(results);
}
}
/**
* Return the resource environment reference type for the specified
* name, if any; otherwise return null.
*
* @param name Name of the desired resource environment reference
*/
public ContextResourceEnvRef findResourceEnvRef(String name) {
synchronized (resourceEnvRefs) {
return resourceEnvRefs.get(name);
}
}
/**
* Return the set of resource environment reference names for this
* web application. If none have been specified, a zero-length
* array is returned.
*/
public ContextResourceEnvRef[] findResourceEnvRefs() {
synchronized (resourceEnvRefs) {
ContextResourceEnvRef results[] = new ContextResourceEnvRef[resourceEnvRefs.size()];
return resourceEnvRefs.values().toArray(results);
}
}
/**
* Return the web service reference for the specified
* name, if any; otherwise return null.
*
* @param name Name of the desired web service
*/
public ContextService findService(String name) {
synchronized (services) {
return services.get(name);
}
}
/**
* Return the defined web service references for this application. If
* none have been defined, a zero-length array is returned.
*/
public ContextService[] findServices() {
synchronized (services) {
ContextService results[] = new ContextService[services.size()];
return services.values().toArray(results);
}
}
/**
* Return true if the name specified already exists.
*/
public boolean exists(String name) {
return (entries.containsKey(name));
}
/**
* Remove any EJB resource reference with the specified name.
*
* @param name Name of the EJB resource reference to remove
*/
public void removeEjb(String name) {
entries.remove(name);
ContextEjb ejb = null;
synchronized (ejbs) {
ejb = ejbs.remove(name);
}
if (ejb != null) {
support.firePropertyChange("ejb", ejb, null);
ejb.setNamingResources(null);
}
}
/**
* Remove any environment entry with the specified name.
*
* @param name Name of the environment entry to remove
*/
public void removeEnvironment(String name) {
entries.remove(name);
ContextEnvironment environment = null;
synchronized (envs) {
environment = envs.remove(name);
}
if (environment != null) {
support.firePropertyChange("environment", environment, null);
environment.setNamingResources(null);
}
}
/**
* Remove any local EJB resource reference with the specified name.
*
* @param name Name of the EJB resource reference to remove
*/
public void removeLocalEjb(String name) {
entries.remove(name);
ContextLocalEjb localEjb = null;
synchronized (localEjbs) {
localEjb = localEjbs.remove(name);
}
if (localEjb != null) {
support.firePropertyChange("localEjb", localEjb, null);
localEjb.setNamingResources(null);
}
}
/**
* Remove any message destination reference with the specified name.
*
* @param name Name of the message destination resource reference to remove
*/
public void removeMessageDestinationRef(String name) {
entries.remove(name);
MessageDestinationRef mdr = null;
synchronized (mdrs) {
mdr = mdrs.remove(name);
}
if (mdr != null) {
support.firePropertyChange("messageDestinationRef",
mdr, null);
mdr.setNamingResources(null);
}
}
/**
* Remove a property change listener from this component.
*
* @param listener The listener to remove
*/
public void removePropertyChangeListener(PropertyChangeListener listener) {
support.removePropertyChangeListener(listener);
}
/**
* Remove any resource reference with the specified name.
*
* @param name Name of the resource reference to remove
*/
public void removeResource(String name) {
entries.remove(name);
ContextResource resource = null;
synchronized (resources) {
resource = resources.remove(name);
}
if (resource != null) {
support.firePropertyChange("resource", resource, null);
resource.setNamingResources(null);
}
}
/**
* Remove any resource environment reference with the specified name.
*
* @param name Name of the resource environment reference to remove
*/
public void removeResourceEnvRef(String name) {
entries.remove(name);
ContextResourceEnvRef resourceEnvRef = null;
synchronized (resourceEnvRefs) {
resourceEnvRef =
resourceEnvRefs.remove(name);
}
if (resourceEnvRef != null) {
support.firePropertyChange("resourceEnvRef", resourceEnvRef, null);
resourceEnvRef.setNamingResources(null);
}
}
/**
* Remove any resource link with the specified name.
*
* @param name Name of the resource link to remove
*/
public void removeResourceLink(String name) {
entries.remove(name);
ContextResourceLink resourceLink = null;
synchronized (resourceLinks) {
resourceLink = resourceLinks.remove(name);
}
if (resourceLink != null) {
support.firePropertyChange("resourceLink", resourceLink, null);
resourceLink.setNamingResources(null);
}
}
/**
* Remove any web service reference with the specified name.
*
* @param name Name of the web service reference to remove
*/
public void removeService(String name) {
entries.remove(name);
ContextService service = null;
synchronized (services) {
service = services.remove(name);
}
if (service != null) {
support.firePropertyChange("service", service, null);
service.setNamingResources(null);
}
}
}
