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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.launcher;
import java.io.File;
import java.net.URL;
import java.net.URLClassLoader;
import java.text.MessageFormat;
import java.util.ResourceBundle;
import org.apache.tuscany.runtime.standalone.DirectoryHelper;
import org.apache.tuscany.runtime.standalone.StandaloneRuntime;
import org.apache.tuscany.runtime.standalone.StandaloneRuntimeInfo;
/**
* Main class for launcher runtime environment. <code>
* usage: java [jvm-options] -jar launcher.jar <componentURI>
* </code>
* where the componentURI identifies a component in the assembly that should be
* called.
*
* @version $Rev$ $Date$
*/
public class Main {
/**
* Main method.
*
* @param args the command line args
* @throws Throwable if there are problems launching the runtime or
* application
*/
public static void main(String[] args) throws Throwable {
if (args.length < 1) {
usage();
throw new AssertionError();
}
File applicationFile = new File(args[0]);
if (!applicationFile.exists()) {
System.err.println(getMessage("org.apache.tuscany.launcher.NoComposite", applicationFile));
System.exit(2);
}
String[] appArgs = new String[0];
if(args.length > 1) {
appArgs = new String[args.length - 1];
System.arraycopy(args, 1, appArgs, 0, appArgs.length);
}
StandaloneRuntimeInfo runtimeInfo = DirectoryHelper.createRuntimeInfo("launcher", Main.class);
StandaloneRuntime runtime = (StandaloneRuntime)DirectoryHelper.createRuntime(runtimeInfo);
URL applicationJar = applicationFile.toURL();
ClassLoader applicationClassLoader =
new URLClassLoader(new URL[] {applicationJar}, runtime.getHostClassLoader());
String applicationScdl = System.getProperty("launcher.scdl", "META-INF/sca/default.scdl");
URL applicationScdlURL = applicationClassLoader.getResource(applicationScdl);
if (applicationScdlURL == null) {
System.err.println(getMessage("org.apache.tuscany.launcher.NoApplicationSCDL", applicationScdl));
System.exit(2);
}
// boot the runtime
runtime.initialize();
int status = runtime.deployAndRun(applicationScdlURL, applicationClassLoader, appArgs);
System.exit(status);
}
private static void usage() {
System.err.println(getMessage("org.apache.tuscany.launcher.Usage"));
System.exit(1);
}
private static String getMessage(String id, Object... params) {
ResourceBundle bundle = ResourceBundle.getBundle(Main.class.getName());
String message = bundle.getString(id);
return MessageFormat.format(message, params);
}
}
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