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package org.apache.catalina.deploy;
import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;
import java.util.HashMap;
import java.util.Hashtable;
import java.io.Serializable;
/**
* Holds and manages the naming resources defined in the J2EE Enterprise
* Naming Context and their associated JNDI context.
*
* @author Remy Maucherat
* @version $Revision: 1.3 $ $Date: 2007/05/05 05:32:08 $
*/
public class NamingResources implements Serializable {
// ----------------------------------------------------------- Constructors
/**
* Create a new NamingResources instance.
*/
public NamingResources() {
}
// ----------------------------------------------------- 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 resource parameters for this web application, keyed by name.
*/
private HashMap resourceParams = new HashMap();
/**
* 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;
}
/**
* 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())) {
return;
} else {
entries.put(environment.getName(), environment.getType());
}
synchronized (envs) {
environment.setNamingResources(this);
envs.put(environment.getName(), environment);
}
support.firePropertyChange("environment", null, environment);
}
/**
* Add resource parameters for this web application.
*
* @param resourceParameters New resource parameters
*/
public void addResourceParams(ResourceParams resourceParameters) {
synchronized (resourceParams) {
if (resourceParams.containsKey(resourceParameters.getName())) {
return;
}
resourceParameters.setNamingResources(this);
resourceParams.put(resourceParameters.getName(),
resourceParameters);
}
support.firePropertyChange("resourceParams", null, resourceParameters);
}
/**
* 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 name The resource environment reference name
* @param type The resource environment reference type
*/
public void addResourceEnvRef(String name, String type) {
if (entries.containsKey(name)) {
return;
} else {
entries.put(name, type);
}
synchronized (resourceEnvRefs) {
resourceEnvRefs.put(name, type);
}
support.firePropertyChange("resourceEnvRef", null,
name + ":" + type);
}
/**
* Add a resource link for this web application.
*
* @param resource New resource link
*/
public void addResourceLink(ContextResourceLink resourceLink) {
if (entries.containsKey(resourceLink.getName())) {
return;
} else {
Object 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);
}
/**
* Return the EJB resource reference with the specified name, if any;
* otherwise, return <code>null</code>.
*
* @param name Name of the desired EJB resource reference
*/
public ContextEjb findEjb(String name) {
synchronized (ejbs) {
return ((ContextEjb) 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 ((ContextEjb[]) ejbs.values().toArray(results));
}
}
/**
* Return the environment entry with the specified name, if any;
* otherwise, return <code>null</code>.
*
* @param name Name of the desired environment entry
*/
public ContextEnvironment findEnvironment(String name) {
synchronized (envs) {
return ((ContextEnvironment) 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 ((ContextEnvironment[]) envs.values().toArray(results));
}
}
/**
* Return the local EJB resource reference with the specified name, if any;
* otherwise, return <code>null</code>.
*
* @param name Name of the desired EJB resource reference
*/
public ContextLocalEjb findLocalEjb(String name) {
synchronized (localEjbs) {
return ((ContextLocalEjb) 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 ((ContextLocalEjb[]) localEjbs.values().toArray(results));
}
}
/**
* Return the message destination reference with the specified name,
* if any; otherwise, return <code>null</code>.
*
* @param name Name of the desired message destination reference
*/
public MessageDestinationRef findMessageDestinationRef(String name) {
synchronized (mdrs) {
return ((MessageDestinationRef) 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 ((MessageDestinationRef[]) mdrs.values().toArray(results));
}
}
/**
* Return the resource reference with the specified name, if any;
* otherwise return <code>null</code>.
*
* @param name Name of the desired resource reference
*/
public ContextResource findResource(String name) {
synchronized (resources) {
return ((ContextResource) resources.get(name));
}
}
/**
* Return the resource link with the specified name, if any;
* otherwise return <code>null</code>.
*
* @param name Name of the desired resource link
*/
public ContextResourceLink findResourceLink(String name) {
synchronized (resourceLinks) {
return ((ContextResourceLink) 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 ((ContextResourceLink[]) 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 ((ContextResource[]) resources.values().toArray(results));
}
}
/**
* Return the resource environment reference type for the specified
* name, if any; otherwise return <code>null</code>.
*
* @param name Name of the desired resource environment reference
*/
public String findResourceEnvRef(String name) {
synchronized (resourceEnvRefs) {
return ((String) 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 String[] findResourceEnvRefs() {
synchronized (resourceEnvRefs) {
String results[] = new String[resourceEnvRefs.size()];
return ((String[]) resourceEnvRefs.keySet().toArray(results));
}
}
/**
* Return the resource parameters with the specified name, if any;
* otherwise return <code>null</code>.
*
* @param name Name of the desired resource parameters
*/
public ResourceParams findResourceParams(String name) {
synchronized (resourceParams) {
return ((ResourceParams) resourceParams.get(name));
}
}
/**
* Return the resource parameters with the specified name, if any;
* otherwise return <code>null</code>.
*
* @param name Name of the desired resource parameters
*/
public ResourceParams[] findResourceParams() {
synchronized (resourceParams) {
ResourceParams results[] =
new ResourceParams[resourceParams.size()];
return ((ResourceParams[]) resourceParams.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 = (ContextEjb) 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 = (ContextEnvironment) 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 = (ContextLocalEjb) ejbs.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 = (MessageDestinationRef) 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 = (ContextResource) 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);
String type = null;
synchronized (resourceEnvRefs) {
type = (String) resourceEnvRefs.remove(name);
}
if (type != null) {
support.firePropertyChange("resourceEnvRef",
name + ":" + type, 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 = (ContextResourceLink) resourceLinks.remove(name);
}
if (resourceLink != null) {
support.firePropertyChange("resourceLink", resourceLink, null);
resourceLink.setNamingResources(null);
}
}
/**
* Remove any resource parameters with the specified name.
*
* @param name Name of the resource parameters to remove
*/
public void removeResourceParams(String name) {
ResourceParams resourceParameters = null;
synchronized (resourceParams) {
resourceParameters = (ResourceParams) resourceParams.remove(name);
}
if (resourceParameters != null) {
support.firePropertyChange("resourceParams", resourceParameters,
null);
resourceParameters.setNamingResources(null);
}
}
}
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