/*
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2000-2002 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution, if
 *    any, must include the following acknowlegement:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowlegement may appear in the software itself,
 *    if and wherever such third-party acknowlegements normally appear.
 *
 * 4. The names "The Jakarta Project", "Ant", and "Apache Software
 *    Foundation" must not be used to endorse or promote products derived
 *    from this software without prior written permission. For written
 *    permission, please contact apache@apache.org.
 *
 * 5. Products derived from this software may not be called "Apache"
 *    nor may "Apache" appear in their names without prior written
 *    permission of the Apache Group.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 */

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;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Task;

/**
 * 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) {
        mbeans.add(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) {
        this.action=action;
    }

    /** Perform the action on a previously declared service
     * 
     */ 
    public void setRefId( String ref ) {
        this.refId=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);
                mbean.execute();
                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);
        }
    }
}