Glassfish example source code file (ASMainFelix.java)

This example Glassfish source code file (ASMainFelix.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 - Glassfish tags/keywords

config_properties, exception, exception, felix_home, file, file, handling, io, proper, reflection, runtimeexception, runtimeexception, string, string, thread, todo

The Glassfish ASMainFelix.java source code

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2008-2010 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
 * "Portions Copyright [year] [name of copyright owner]"
 *
 * Contributor(s):
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
 * holder.
 */

package com.sun.enterprise.glassfish.bootstrap;

import org.kohsuke.MetaInfServices;

import java.io.File;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;

import com.sun.enterprise.module.bootstrap.PlatformMain;

/**
 * @author Sanjeeb.Sahoo@Sun.COM
 */
@MetaInfServices(PlatformMain.class)
public class ASMainFelix extends ASMainOSGi {
    private static final String FELIX_HOME = "FELIX_HOME";
    protected final static String CACHE_DIR = "org.osgi.framework.storage";

    /**
     * Home of Felix installation relative to Glassfish root installation.
     */
    public static final String GF_FELIX_HOME="osgi/felix";

    /**
     * Location of the config properties file relative to the felix installation 
     */
    public static final String CONFIG_PROPERTIES = "conf/config.properties";

    /**
     * Location of the config properties file relative to the felix installation
     */
    public static final String SYSTEM_PROPERTIES = "conf/system.properties";

    protected String getPreferedCacheDir() {
        return "osgi-cache/felix/";
    }

    public String getName() {
        return Constants.Platform.Felix.toString();
    }

    protected void setFwDir() {
        String fwPath = System.getenv(FELIX_HOME);
        if (fwPath == null) {
            // try system property, which comes from asenv.conf
            fwPath = System.getProperty(FELIX_HOME,
                    new File(glassfishDir, GF_FELIX_HOME).getAbsolutePath());
        }
        fwDir = new File(fwPath);
        if (!fwDir.exists()) {
            throw new RuntimeException("Can't locate Felix at " + fwPath);
        }
    }

    protected void addFrameworkJars(ClassPathBuilder cpb) throws IOException {
        cpb.addJar(new File(fwDir, "bin/felix.jar"));
    }

    protected void launchOSGiFW() throws Exception {
        String sysFileURL = new File(fwDir, SYSTEM_PROPERTIES).toURI().toURL().toString();
        System.setProperty("felix.system.properties", sysFileURL);

        String confFileURL = new File(fwDir, getConfigFileName()).toURI().toURL().toString();
        System.setProperty("felix.config.properties", confFileURL);
        Class mc = launcherCL.loadClass(getFWMainClassName());
        final String[] args = new String[0];
        final Method m = mc.getMethod("main", new Class[]{args.getClass()});
        // Call Felix on a separate Thread as the main class in Felix
        // does not return until the framework is stopped.
        Thread launcherThread = new Thread(new Runnable(){
            public void run() {
                try {
                    m.invoke(null, new Object[]{args});
                } catch (IllegalAccessException e) {
                    throw new RuntimeException(e); // TODO: Proper Exception Handling
                } catch (InvocationTargetException e) {
                    throw new RuntimeException(e); // TODO: Proper Exception Handling
                }
            }
        },"OSGi Framework Launcher");

        // The EventDispatcher thread in Felix inherits the daemon status of the thread
        // that starts Felix. As the code below does, we start felix in a non-daemon
        // thread, which means for VM to exit, we need to shutdown the framework
        // in addition to stopping all the server specific non-daemon threads.
        launcherThread.setDaemon(false);
        launcherThread.start();
    }

    private String getFWMainClassName() {


        return "org.apache.felix.main.Main";
    }

    /**
     * horrible shortcut to work around the issue that felix spends an infinite amount
     * of time resolve jaxb interfaces which are both part of the jdk and some distributions.
     *
     * When the distribution contains a repackaged jaxb, we are blocking the jdk API
     * visibility, otherwise we use the normal delegation model.
     *
     * This should be removed once the new felix resolver is integrated.
     * 
     * @return the config file name to use to configure felix
     */
    private String getConfigFileName() {
        File jaxb =new File(glassfishDir, "modules/jaxb-osgi.jar");
        if (jaxb.exists()) {
            return CONFIG_PROPERTIES + ".nojaxb";
        } else {
            return CONFIG_PROPERTIES;
        }
    }
}