/*
* 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.ant.jmx;
import java.util.ArrayList;
import java.util.List;
import javax.management.MBeanServerConnection;
import javax.management.ObjectName;
import org.apache.tools.ant.BuildException;
/**
* Create new MBean at <em>JMX</em> JSR 160 MBeans Server.
* <ul>
* <li>Create Mbeans</li>
* <li>Create Mbeans with parameter</li>
* <li>Create remote Mbeans with different classloader</li>
* </ul>
* <p>
* Examples:
* <br/>
* create a new Mbean at jmx.server connection
* <pre>
* <jmx:create
* ref="jmx.server"
* name="Catalina:type=MBeanFactory"
* className="org.apache.catalina.mbeans.MBeanFactory"
* classLoader="Catalina:type=ServerClassLoader,name=server">
* <Arg value="org.apache.catalina.mbeans.MBeanFactory" />
* </jmxCreate/>
* </pre>
* </p>
* <p>
* <b>WARNING</b>Not all Tomcat MBeans can create remotely and autoregister by its parents!
* Please, use the MBeanFactory operation to generate valves and realms.
* </p>
* <p>
* First call to a remote MBeanserver save the JMXConnection a reference <em>jmx.server</em>
* </p>
* These tasks require Ant 1.6 or later interface.
*
* @author Peter Rossbach
*
* @since 5.5.12
*/
public class JMXAccessorCreateTask extends JMXAccessorTask {
// ----------------------------------------------------- Instance Variables
private String className;
private String classLoader;
private List args=new ArrayList();
// ----------------------------------------------------- Instance Info
/**
* Descriptive information describing this implementation.
*/
private static final String info = "org.apache.catalina.ant.JMXAccessorCreateTask/1.0";
/**
* Return descriptive information about this implementation and the
* corresponding version number, in the format
* <code><description>/<version></code>.
* @return Returns the class info.
*/
public String getInfo() {
return (info);
}
// ------------------------------------------------------------- Properties
/**
* @return Returns the classLoader.
*/
public String getClassLoader() {
return classLoader;
}
/**
* @param classLoaderName The classLoader to set.
*/
public void setClassLoader(String classLoaderName) {
this.classLoader = classLoaderName;
}
/**
* @return Returns the className.
*/
public String getClassName() {
return className;
}
/**
* @param className The className to set.
*/
public void setClassName(String className) {
this.className = className;
}
public void addArg(Arg arg ) {
args.add(arg);
}
/**
* @return Returns the args.
*/
public List getArgs() {
return args;
}
/**
* @param args The args to set.
*/
public void setArgs(List args) {
this.args = args;
}
// ------------------------------------------------------ protected Methods
/**
* Execute the specified command, based on the configured properties. The
* input stream will be closed upon completion of this task, whether it was
* executed successfully or not.
*
* @exception Exception
* if an error occurs
*/
public String jmxExecute(MBeanServerConnection jmxServerConnection)
throws Exception {
if (getName() == null) {
throw new BuildException("Must specify a 'name'");
}
if ((className == null)) {
throw new BuildException(
"Must specify a 'className' for get");
}
return jmxCreate(jmxServerConnection, getName());
}
/**
* create new Mbean and when set from ClassLoader Objectname
* @param jmxServerConnection
* @param name
* @return The value of the given named attribute
* @throws Exception
*/
protected String jmxCreate(MBeanServerConnection jmxServerConnection,
String name) throws Exception {
String error = null;
Object argsA[] = null;
String sigA[] = null;
if (args != null) {
argsA = new Object[ args.size()];
sigA = new String[args.size()];
for( int i=0; i<args.size(); i++ ) {
Arg arg=(Arg)args.get(i);
if( arg.type==null) {
arg.type="java.lang.String";
sigA[i]=arg.getType();
argsA[i]=arg.getValue();
} else {
sigA[i]=arg.getType();
argsA[i]=convertStringToType(arg.getValue(),arg.getType());
}
}
}
if (classLoader != null && !"".equals(classLoader)) {
if (isEcho()) {
handleOutput("create MBean " + name + " from class "
+ className + " with classLoader " + classLoader);
}
if(args == null)
jmxServerConnection.createMBean(className, new ObjectName(name), new ObjectName(classLoader));
else
jmxServerConnection.createMBean(className, new ObjectName(name), new ObjectName(classLoader),argsA,sigA);
} else {
if (isEcho()) {
handleOutput("create MBean " + name + " from class "
+ className);
}
if(args == null)
jmxServerConnection.createMBean(className, new ObjectName(name));
else
jmxServerConnection.createMBean(className, new ObjectName(name),argsA,sigA);
}
return error;
}
}