Commons Modeler example source code file (Main.java)

This example Commons Modeler source code file (Main.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

exception, exception, file, file, io, list, main, main, net, network, no, registry, string, string, url, util

The Commons Modeler Main.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;


import java.io.File;
import java.net.URL;
import java.util.List;

import org.apache.commons.modeler.util.IntrospectionUtils;


/**
 *  Small main that loads mbeans.
 *
 *  Requires: commons-logging-api.jar, jaxp ( including DOM ), jmx
 *
 *  Arguments:
 *   -file FILE
 *       Will load mbeans from the file
 *
 * @author Costin Manolache
 */

public class Main
{
    String file;
    String home;

    public void setFile( String f ) {
        this.file=f;
    }

    // shortcut
    public void setF( String f ) {
        this.file=f;
    }

    public void execute( )
        throws Exception
    {
        if( home==null ) {
            home=IntrospectionUtils.guessInstall("install.dir", "home.dir",
                "commons-modeler.jar", "org.apache.commons.modeler.Main");
        }

        if( file==null ) throw new Exception( "No file, use -file file.xml");

        Registry reg=Registry.getRegistry();
        File fileF=new File( file );
        URL url=new URL("file", null, fileF.getAbsolutePath());

        // Load the mbeans defined in the file and set all
        // attributes
        List mbeans=reg.loadMBeans( url, null);
        reg.invoke(mbeans, "init", false);
        reg.invoke(mbeans, "start", false);
    }

    public static void main( String args[] ) {
        try {
            Main main=new Main();
            IntrospectionUtils.processArgs(main, args);

            main.execute();
        } catch( Exception ex ) {
            ex.printStackTrace();
        }

    }
}