/*
* Copyright 1999,2004 The Apache Software Foundation.
*
* Licensed 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.mbeans;
import java.net.URLDecoder;
import java.util.ArrayList;
import javax.management.MBeanException;
import javax.management.MalformedObjectNameException;
import javax.management.ObjectName;
import javax.management.RuntimeOperationsException;
import org.apache.catalina.core.StandardDefaultContext;
import org.apache.catalina.deploy.ContextEnvironment;
import org.apache.catalina.deploy.ContextResource;
import org.apache.catalina.deploy.ContextResourceLink;
import org.apache.catalina.deploy.NamingResources;
import org.apache.commons.modeler.BaseModelMBean;
import org.apache.commons.modeler.ManagedBean;
import org.apache.commons.modeler.Registry;
/**
* <p>A <strong>ModelMBean</strong> implementation for the
* <code>org.apache.catalina.core.StandardDefaultContext</code> component.</p>
*
* @author Amy Roh
* @version $Revision: 1.3 $ $Date: 2004/02/27 14:58:44 $
*/
public class DefaultContextMBean extends BaseModelMBean {
// ----------------------------------------------------------- Constructors
/**
* Construct a <code>ModelMBean</code> with default
* <code>ModelMBeanInfo</code> information.
*
* @exception MBeanException if the initializer of an object
* throws an exception
* @exception RuntimeOperationsException if an IllegalArgumentException
* occurs
*/
public DefaultContextMBean()
throws MBeanException, RuntimeOperationsException {
super();
}
// ----------------------------------------------------- Instance Variables
/**
* The configuration information registry for our managed beans.
*/
protected Registry registry = MBeanUtils.createRegistry();
/**
* The <code>ManagedBean</code> information describing this MBean.
*/
protected ManagedBean managed =
registry.findManagedBean("DefaultContext");
// ------------------------------------------------------------- Attributes
/**
* Return the naming resources associated with this web application.
*/
private NamingResources getNamingResources() {
return ((StandardDefaultContext)this.resource).getNamingResources();
}
/**
* Return the MBean Names of the set of defined environment entries for
* this web application
*/
public String[] getEnvironments() {
ContextEnvironment[] envs = getNamingResources().findEnvironments();
ArrayList results = new ArrayList();
for (int i = 0; i < envs.length; i++) {
try {
ObjectName oname =
MBeanUtils.createObjectName(managed.getDomain(), envs[i]);
results.add(oname.toString());
} catch (MalformedObjectNameException e) {
throw new IllegalArgumentException
("Cannot create object name for environment " + envs[i]);
}
}
return ((String[]) results.toArray(new String[results.size()]));
}
/**
* Return the MBean Names of all the defined resource references for this
* application.
*/
public String[] getResources() {
ContextResource[] resources = getNamingResources().findResources();
ArrayList results = new ArrayList();
for (int i = 0; i < resources.length; i++) {
try {
ObjectName oname =
MBeanUtils.createObjectName(managed.getDomain(), resources[i]);
results.add(oname.toString());
} catch (MalformedObjectNameException e) {
throw new IllegalArgumentException
("Cannot create object name for resource " + resources[i]);
}
}
return ((String[]) results.toArray(new String[results.size()]));
}
/**
* Return the MBean Names of all the defined resource links for this
* application
*/
public String[] getResourceLinks() {
ContextResourceLink[] links = getNamingResources().findResourceLinks();
ArrayList results = new ArrayList();
for (int i = 0; i < links.length; i++) {
try {
ObjectName oname =
MBeanUtils.createObjectName(managed.getDomain(), links[i]);
results.add(oname.toString());
} catch (MalformedObjectNameException e) {
throw new IllegalArgumentException
("Cannot create object name for resource " + links[i]);
}
}
return ((String[]) results.toArray(new String[results.size()]));
}
// ------------------------------------------------------------- Operations
/**
* Add an environment entry for this web application.
*
* @param envName New environment entry name
*/
public String addEnvironment(String envName, String type)
throws MalformedObjectNameException {
NamingResources nresources = getNamingResources();
if (nresources == null) {
return null;
}
ContextEnvironment env = nresources.findEnvironment(envName);
if (env != null) {
throw new IllegalArgumentException
("Invalid environment name - already exists '" + envName + "'");
}
env = new ContextEnvironment();
env.setName(envName);
env.setType(type);
nresources.addEnvironment(env);
// Return the corresponding MBean name
ManagedBean managed = registry.findManagedBean("ContextEnvironment");
ObjectName oname =
MBeanUtils.createObjectName(managed.getDomain(), env);
return (oname.toString());
}
/**
* Add a resource reference for this web application.
*
* @param resourceName New resource reference name
*/
public String addResource(String resourceName, String type)
throws MalformedObjectNameException {
NamingResources nresources = getNamingResources();
if (nresources == null) {
return null;
}
ContextResource resource = nresources.findResource(resourceName);
if (resource != null) {
throw new IllegalArgumentException
("Invalid resource name - already exists'" + resourceName + "'");
}
resource = new ContextResource();
resource.setName(resourceName);
resource.setType(type);
nresources.addResource(resource);
// Return the corresponding MBean name
ManagedBean managed = registry.findManagedBean("ContextResource");
ObjectName oname =
MBeanUtils.createObjectName(managed.getDomain(), resource);
return (oname.toString());
}
/**
* Add a resource link for this web application.
*
* @param resourceLinkName New resource link name
*/
public String addResourceLink(String resourceLinkName, String global,
String name, String type) throws MalformedObjectNameException {
NamingResources nresources = getNamingResources();
if (nresources == null) {
return null;
}
ContextResourceLink resourceLink =
nresources.findResourceLink(resourceLinkName);
if (resourceLink != null) {
throw new IllegalArgumentException
("Invalid resource link name - already exists'" +
resourceLinkName + "'");
}
resourceLink = new ContextResourceLink();
resourceLink.setGlobal(global);
resourceLink.setName(resourceLinkName);
resourceLink.setType(type);
nresources.addResourceLink(resourceLink);
// Return the corresponding MBean name
ManagedBean managed = registry.findManagedBean("ContextResourceLink");
ObjectName oname =
MBeanUtils.createObjectName(managed.getDomain(), resourceLink);
return (oname.toString());
}
/**
* Remove any environment entry with the specified name.
*
* @param name Name of the environment entry to remove
*/
public void removeEnvironment(String envName) {
NamingResources nresources = getNamingResources();
if (nresources == null) {
return;
}
ContextEnvironment env = nresources.findEnvironment(envName);
if (env == null) {
throw new IllegalArgumentException
("Invalid environment name '" + envName + "'");
}
nresources.removeEnvironment(envName);
}
/**
* Remove any resource reference with the specified name.
*
* @param resourceName Name of the resource reference to remove
*/
public void removeResource(String resourceName) {
resourceName = URLDecoder.decode(resourceName);
NamingResources nresources = getNamingResources();
if (nresources == null) {
return;
}
ContextResource resource = nresources.findResource(resourceName);
if (resource == null) {
throw new IllegalArgumentException
("Invalid resource name '" + resourceName + "'");
}
nresources.removeResource(resourceName);
}
/**
* Remove any resource link with the specified name.
*
* @param resourceName Name of the resource reference to remove
*/
public void removeResourceLink(String resourceLinkName) {
resourceLinkName = URLDecoder.decode(resourceLinkName);
NamingResources nresources = getNamingResources();
if (nresources == null) {
return;
}
ContextResourceLink resource = nresources.findResourceLink(resourceLinkName);
if (resource == null) {
throw new IllegalArgumentException
("Invalid resource name '" + resourceLinkName + "'");
}
nresources.removeResourceLink(resourceLinkName);
}
}