com.seanbright.osgi.launcher.FrameworkThread.java Source code

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Here is the source code for com.seanbright.osgi.launcher.FrameworkThread.java

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/*
 * Copyright (C) 2014, Sean Bright. All Rights Reserved.
 *
 * Licensed 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 com.seanbright.osgi.launcher;

import java.io.File;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import org.apache.commons.daemon.DaemonContext;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleContext;
import org.osgi.framework.BundleException;
import org.osgi.framework.FrameworkEvent;
import org.osgi.framework.launch.Framework;
import org.osgi.framework.launch.FrameworkFactory;

public class FrameworkThread extends Thread {
    private final FrameworkFactory factory;
    private Framework framework;
    private final Map<String, String> properties;

    public FrameworkThread(DaemonContext context, FrameworkFactory factory, Map<String, String> properties) {
        super(factory.toString());

        this.factory = factory;
        this.properties = properties;
    }

    @Override
    public void run() {
        framework = factory.newFramework(properties);

        try {
            framework.init();
            framework.start();

            installBundles(framework.getBundleContext(), properties.get("launcher.autostart"));

            while (true) {
                FrameworkEvent stopEvent = framework.waitForStop(0);

                if (stopEvent.getType() != FrameworkEvent.STOPPED_UPDATE) {
                    break;
                }
            }
        } catch (BundleException ex) {
            ex.printStackTrace(System.err);
        } catch (InterruptedException ex) {
            ex.printStackTrace(System.err);
        }
    }

    public void shutdown() throws Exception {
        framework.stop();
    }

    private void installBundles(BundleContext context, String path) {
        List<Bundle> bundles = new ArrayList<Bundle>();

        if (path == null) {
            // They don't want to autostart anything
            return;
        }

        File parent = new File(path);

        if (!parent.exists()) {
            throw new RuntimeException(path + " does not exist.");
        }

        if (!parent.isDirectory()) {
            throw new RuntimeException(path + " is not a directory.");
        }

        for (File candidate : parent.listFiles()) {
            if (!candidate.isFile()) {
                continue;
            }

            try {
                bundles.add(context.installBundle(candidate.getAbsoluteFile().toURI().toString()));
            } catch (BundleException ex) {
                ex.printStackTrace(System.err);
            }
        }

        for (Bundle bundle : bundles) {
            try {
                bundle.start();
            } catch (BundleException ex) {
                ex.printStackTrace(System.err);
            }
        }
    }
}