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Java example source code file (FelixHost.java)

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

Learn more about this Java project at its project page.

Java - Java tags/keywords

arraylist, bundlecontext, bundleexception, checkingbundlelistener, exception, felix, felixhost, frameworkerrorlistener, properties, stringmap, util

The FelixHost.java Java example source code

/**
 * Copyright (c) 2004-2011 QOS.ch
 * All rights reserved.
 *
 * Permission is hereby granted, free  of charge, to any person obtaining
 * a  copy  of this  software  and  associated  documentation files  (the
 * "Software"), to  deal in  the Software without  restriction, including
 * without limitation  the rights to  use, copy, modify,  merge, publish,
 * distribute,  sublicense, and/or sell  copies of  the Software,  and to
 * permit persons to whom the Software  is furnished to do so, subject to
 * the following conditions:
 *
 * The  above  copyright  notice  and  this permission  notice  shall  be
 * included in all copies or substantial portions of the Software.
 *
 * THE  SOFTWARE IS  PROVIDED  "AS  IS", WITHOUT  WARRANTY  OF ANY  KIND,
 * EXPRESS OR  IMPLIED, INCLUDING  BUT NOT LIMITED  TO THE  WARRANTIES OF
 * MERCHANTABILITY,    FITNESS    FOR    A   PARTICULAR    PURPOSE    AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 * OF CONTRACT, TORT OR OTHERWISE,  ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 */
package org.slf4j.test_osgi;

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

import org.apache.felix.framework.Felix;
import org.apache.felix.framework.util.FelixConstants;
import org.apache.felix.framework.util.StringMap;
import org.apache.felix.main.AutoProcessor;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleContext;
import org.osgi.framework.BundleException;
import org.osgi.framework.Constants;

/**
 * Runs a hosted version of Felix for testing purposes. Any bundle errors are
 * reported via the FrameworkListener passed to the constructor.
 * 
 * @author Ceki Gücü
 */
public class FelixHost {

    private Felix felix = null;

    Properties otherProps = new Properties();

    final FrameworkErrorListener frameworkErrorListener;
    final CheckingBundleListener myBundleListener;

    public FelixHost(FrameworkErrorListener frameworkErrorListener, CheckingBundleListener myBundleListener) {
        this.frameworkErrorListener = frameworkErrorListener;
        this.myBundleListener = myBundleListener;
    }

    public void doLaunch() {
        // Create a case-insensitive configuration property map.
        StringMap configMap = new StringMap(false);
        // Configure the Felix instance to be embedded.
        // configMap.put(FelixConstants.EMBEDDED_EXECUTION_PROP, "true");
        // Add core OSGi packages to be exported from the class path
        // via the system bundle.
        configMap.put(Constants.FRAMEWORK_SYSTEMPACKAGES, "org.osgi.framework; version=1.3.0," + "org.osgi.service.packageadmin; version=1.2.0,"
                        + "org.osgi.service.startlevel; version=1.0.0," + "org.osgi.service.url; version=1.0.0");

        configMap.put(Constants.FRAMEWORK_STORAGE_CLEAN, Constants.FRAMEWORK_STORAGE_CLEAN_ONFIRSTINIT);

        // Explicitly specify the directory to use for caching bundles.
        // configMap.put(BundleCache.CACHE_PROFILE_DIR_PROP, "cache");

        try {
            // Create host activator;

            List<Object> list = new ArrayList();

            // list.add(new HostActivator());
            configMap.put(Constants.FRAMEWORK_SYSTEMPACKAGES_EXTRA, "org.xml.sax, org.xml.sax.helpers, javax.xml.parsers, javax.naming");
            configMap.put(FelixConstants.SYSTEMBUNDLE_ACTIVATORS_PROP, list);
            configMap.put("felix.log.level", "4");

            // Now create an instance of the framework with
            // our configuration properties and activator.
            felix = new Felix(configMap);
            felix.init();

            // otherProps.put(Constants.FRAMEWORK_STORAGE, "bundles");

            otherProps.put(AutoProcessor.AUTO_DEPLOY_DIR_PROPERY, AutoProcessor.AUTO_DEPLOY_DIR_VALUE);
            otherProps.put(AutoProcessor.AUTO_DEPLOY_ACTION_PROPERY, AutoProcessor.AUTO_DEPLOY_START_VALUE + "," + AutoProcessor.AUTO_DEPLOY_INSTALL_VALUE);

            BundleContext felixBudleContext = felix.getBundleContext();

            AutoProcessor.process(otherProps, felixBudleContext);
            // listen to errors
            felixBudleContext.addFrameworkListener(frameworkErrorListener);
            felixBudleContext.addBundleListener(myBundleListener);
            // Now start Felix instance.
            felix.start();
            System.out.println("felix started");

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

    public void stop() throws BundleException {
        felix.stop();
    }

    public Bundle[] getInstalledBundles() {
        // Use the system bundle activator to gain external
        // access to the set of installed bundles.
        return null;// m_activator.getBundles();
    }
}

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