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Commons Modeler example source code file (

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

Java - Commons Modeler tags/keywords

arraylist, arraylist, buildexception, error, list, list, log, mlettask, registry, servicetask, servicetask, string, string, task, util

The Commons Modeler 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
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * See the License for the specific language governing permissions and
 * limitations under the License.

package org.apache.commons.modeler.ant;

import java.util.ArrayList;
import java.util.List;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.commons.modeler.Registry;

 * Group a set of mbeans in a service, and perform actions on
 * it.
public class ServiceTask extends Task {
    private static Log log = LogFactory.getLog(ServiceTask.class);
    List mbeans=new ArrayList();
    String action;
    String refId;

    public ServiceTask() {

    public void addMbean(MLETTask mbean) {

    public List getMbeans() {
        return mbeans;

    /** Set action to be executed on the mbean collection. 
     * If null - we'll perform init and start.
     * @param action
    public void setAction(String action) {

    /** Perform the action on a previously declared service
    public void setRefId( String ref ) {

    public void execute() throws BuildException {
        try {
            Registry reg=Registry.getRegistry();

            if( refId != null ) {
                ServiceTask stask=(ServiceTask)project.getReference(refId);
            // create the mbeans
            List onames=new ArrayList();

            for( int i=0; i<mbeans.size(); i++ ) {
                MLETTask mbean=(MLETTask)mbeans.get(i);
                onames.add( mbean.getObjectName());

            if( action==null ) {
                // default: init and start
                reg.invoke(onames, "init", false);
                reg.invoke(onames, "start", false);
            } else {
                reg.invoke(onames, action, false );

        } catch(Exception ex) {
            log.error("Error ", ex);

Other Commons Modeler examples (source code examples)

Here is a short list of links related to this Commons Modeler source code file:

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