Commons Modeler example source code file (JmxInvoke.java)

This example Commons Modeler source code file (JmxInvoke.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Commons Modeler tags/keywords

arg, jmxinvoke, jmxinvoke, management, mbeanserver, object, object, objectname, objectname, string, string, task, util, vector

The Commons Modeler JmxInvoke.java source code

/*
 * 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.commons.modeler.ant;

import java.util.Vector;

import javax.management.MBeanServer;
import javax.management.MBeanServerFactory;
import javax.management.ObjectName;

import org.apache.tools.ant.Task;

/**
 * Set mbean properties.
 *
 */
public class JmxInvoke extends Task {
    String objectName;

    String method;
    Vector args;

    public JmxInvoke() {

    }

    public void setObjectName(String name) {
        this.objectName = name;
    }

    public void setOperation(String method) {
            this.method = method;
    }

    public void execute() {
        try {
            MBeanServer server=(MBeanServer)project.getReference("jmx.server");

            if (server == null) {
                if( MBeanServerFactory.findMBeanServer(null).size() > 0 ) {
                    server=(MBeanServer)MBeanServerFactory.findMBeanServer(null).get(0);
                } else {
                    System.out.println("Creating mbean server");
                    server=MBeanServerFactory.createMBeanServer();
                }
                project.addReference("jmx.server", server);
            }

            ObjectName oname=new ObjectName(objectName);

            if( args==null ) {
                server.invoke(oname, method, null, null);
            } else {
                // XXX Use the loader ref, if any
                Object argsA[]=new Object[ args.size()];
                String sigA[]=new String[args.size()];
                for( int i=0; i<args.size(); i++ ) {
                    Arg arg=(Arg)args.elementAt(i);
                    if( arg.type==null )
                        arg.type="java.lang.String";
                    sigA[i]=arg.getType();
                    argsA[i]=arg.getValue();
                    // XXX Deal with not string types - IntrospectionUtils
                }
                server.invoke(oname, method, argsA, sigA);
            }
        } catch(Exception ex) {
            ex.printStackTrace();
        }
    }

}