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/*
* 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.tuscany.sca.node.equinox.launcher;
import static org.apache.tuscany.sca.node.equinox.launcher.NodeLauncherUtil.domainManager;
import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* Simple launcher for the SCA domain manager.
*
* @version $Rev$ $Date$
*/
public class DomainManagerLauncher {
static final Logger logger = Logger.getLogger(DomainManagerLauncher.class.getName());
/**
* Constructs a new DomainManagerLauncher.
*/
private DomainManagerLauncher() {
}
/**
* Returns a new launcher instance.
*
* @return a new launcher instance
*/
public static DomainManagerLauncher newInstance() {
return new DomainManagerLauncher();
}
/**
* Creates a new DomainManager.
*
* @return a new DomainManager
* @throws LauncherException
*/
public <T> T createDomainManager() throws LauncherException {
return (T)domainManager(".");
}
/**
* Creates a new DomainManager.
*
* @param rootDirectory the domain's root configuration directory
*
* @return a new DomainManager
* @throws LauncherException
*/
public <T> T createDomainManager(String rootDirectory) throws LauncherException {
return (T)domainManager(rootDirectory);
}
public static void main(String[] args) throws Exception {
logger.info("Apache Tuscany SCA Domain Manager is starting...");
// Create a launcher
DomainManagerLauncher launcher = newInstance();
EquinoxHost equinox = null;
Object domainManager = null;
ShutdownThread shutdown = null;
try {
// Start the OSGi host
equinox = new EquinoxHost();
equinox.start();
// Start the domain manager
domainManager = launcher.createDomainManager();
try {
domainManager.getClass().getMethod("start").invoke(domainManager);
} catch (Exception e) {
logger.log(Level.SEVERE, "SCA Domain Manager could not be started", e);
throw e;
}
logger.info("SCA Domain Manager is now started.");
// Install a shutdown hook
ShutdownThread hook = new ShutdownThread(domainManager, equinox);
Runtime.getRuntime().addShutdownHook(hook);
logger.info("Press enter to shutdown.");
try {
System.in.read();
} catch (IOException e) {
// Wait forever
Object lock = new Object();
synchronized(lock) {
lock.wait();
}
}
} finally {
// Remove the shutdown hook
if (shutdown != null) {
Runtime.getRuntime().removeShutdownHook(shutdown);
}
// Stop the domain manager and OSGi host
if (domainManager != null) {
stopDomainManager(domainManager);
}
if (equinox != null) {
equinox.stop();
}
}
}
/**
* Stop the given domain manager.
*
* @param domainManager
* @throws Exception
*/
private static void stopDomainManager(Object domainManager) throws Exception {
try {
domainManager.getClass().getMethod("stop").invoke(domainManager);
logger.info("SCA Domain Manager is now stopped.");
} catch (Exception e) {
logger.log(Level.SEVERE, "SCA Domain Manager could not be stopped", e);
throw e;
}
}
private static class ShutdownThread extends Thread {
private Object domainManager;
private EquinoxHost equinox;
public ShutdownThread(Object domainManager, EquinoxHost equinox) {
super();
this.domainManager = domainManager;
this.equinox = equinox;
}
@Override
public void run() {
try {
stopDomainManager(domainManager);
} catch (Exception e) {
// Ignore
}
try {
equinox.stop();
} catch (Exception e) {
// Ignore
}
}
}
}
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