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/*******************************************************************************
* Copyright (c) 2006 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Matthew Webster - initial implementation
*******************************************************************************/
package org.aspectj.testing.server;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.net.URL;
import java.net.URLClassLoader;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import java.util.StringTokenizer;
public class TestServer implements Runnable {
private static final boolean debug = Boolean.getBoolean("org.aspectj.testing.server.debug");
private boolean exitOnError = true;
private File workingDirectory;
private ClassLoader rootLoader;
private Map loaders = new HashMap();
private String mainClass = "UnknownClass";
private String mainLoader = "UnknownLoader";
public void initialize () throws IOException {
createRootLoader();
loadConfiguration();
}
private void loadConfiguration () throws IOException {
File file = new File(workingDirectory,"server.properties");
Properties props = new Properties();
FileInputStream in = new FileInputStream(file);
props.load(in);
in.close();
Enumeration enu = props.propertyNames();
while (enu.hasMoreElements()) {
String key = (String)enu.nextElement();
if (key.startsWith("loader.")) {
createLoader(props.getProperty(key));
}
else if (key.equals("main")) {
StringTokenizer st = new StringTokenizer(props.getProperty(key),",");
mainClass = st.nextToken();
mainLoader = st.nextToken();
}
}
}
private void createLoader (String property) throws IOException {
ClassLoader parent = rootLoader;
StringTokenizer st = new StringTokenizer(property,",");
String name = st.nextToken();
String classpath = st.nextToken();
if (st.hasMoreTokens()) {
String parentName = st.nextToken();
parent = (ClassLoader)loaders.get(parentName);
if (parent == null) error("No such loader: " + parentName);
}
List urlList = new ArrayList();
st = new StringTokenizer(classpath,";");
while (st.hasMoreTokens()) {
String fileName = st.nextToken();
File file = new File(workingDirectory,fileName).getCanonicalFile();
if (!file.exists()) error("Missing or invalid file: " + file.getPath());
URL url = file.toURL();
urlList.add(url);
}
URL[] urls = new URL[urlList.size()];
urlList.toArray(urls);
ClassLoader loader = new URLClassLoader(urls, parent);
if (debug) System.err.println("? TestServer.createLoader() loader=" + loader + ", name='" + name + "', urls=" + urlList + ", parent=" + parent);
loaders.put(name,loader);
}
private void createRootLoader () throws IOException {
List urlList = new ArrayList();
/* Sandbox */
URL url = workingDirectory.getCanonicalFile().toURL();
urlList.add(url);
/* AspectJ runtime */
URL[] urls = ((URLClassLoader)getClass().getClassLoader()).getURLs();
for (int i = 0; i < urls.length; i++) {
url = urls[i];
String file = url.getFile();
if (debug) System.err.println("? TestServer.createRootLoader() " + file);
if (file.indexOf("runtime") != -1 || file.indexOf("aspectjrt") != -1 || file.indexOf("aspectj5rt") != -1) {
urlList.add(url);
}
}
urls = new URL[urlList.size()];
urlList.toArray(urls);
ClassLoader parent = getClass().getClassLoader().getParent();
rootLoader = new URLClassLoader(urls,parent);
if (debug) System.err.println("? TestServer.createRootLoader() loader=" + rootLoader + ", urlList=" + urlList + ", parent=" + parent);
}
public void setExitOntError (boolean b) {
exitOnError = b;
}
public void setWorkingDirectory (String name) {
workingDirectory = new File(name);
if (!workingDirectory.exists()) error("Missing or invalid working directory: " + workingDirectory.getPath());
}
public static void main(String[] args) throws Exception {
System.out.println("Starting ...");
TestServer server = new TestServer();
server.setWorkingDirectory(args[0]);
server.initialize();
Thread thread = new Thread(server,"application");
thread.start();
thread.join();
System.out.println("Stopping ...");
}
public void run() {
System.out.println("Running " + mainClass);
runClass(mainClass,(ClassLoader)loaders.get(mainLoader));
}
private void runClass (String className, ClassLoader classLoader) {
try {
Class clazz = Class.forName(className,false,classLoader);
invokeMain(clazz,new String[] {});
}
catch (ClassNotFoundException ex) {
ex.printStackTrace();
error(ex.toString());
}
}
public void invokeMain (Class clazz, String[] args)
{
Class[] paramTypes = new Class[1];
paramTypes[0] = args.getClass();
try {
Method method = clazz.getDeclaredMethod("main",paramTypes);
Object[] params = new Object[1];
params[0] = args;
method.invoke(null,params);
}
catch (InvocationTargetException ex) {
Throwable th = ex.getTargetException();
th.printStackTrace();
error(th.toString());
}
catch (Throwable th) {
th.printStackTrace();
error(th.toString());
}
}
private void error (String message) {
System.out.println(message);
if (exitOnError) System.exit(0);
}
}
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