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/*
* Sonar CLI
* Copyright (C) 2009 SonarSource
* dev@sonar.codehaus.org
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02
*/
package org.sonar.cli;
import org.sonar.batch.bootstrapper.BatchDownloader;
import java.io.File;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.util.List;
public class BootstrapLauncher {
private static final String LAUNCHER_CLASS_NAME = "org.sonar.cli.Launcher";
private String[] args;
public static void main(String[] args) throws Exception {
new BootstrapLauncher(args).bootstrap();
}
public BootstrapLauncher(String[] args) {
this.args = args;
}
public void bootstrap() throws Exception {
ClassLoader cl = getInitialClassLoader();
Class launcherClass = cl.loadClass(LAUNCHER_CLASS_NAME);
Method[] methods = launcherClass.getMethods();
Method mainMethod = null;
for (int i = 0; i < methods.length; ++i) {
if (!("main".equals(methods[i].getName()))) {
continue;
}
int modifiers = methods[i].getModifiers();
if (!(Modifier.isStatic(modifiers) && Modifier.isPublic(modifiers))) {
continue;
}
if (methods[i].getReturnType() != Void.TYPE) {
continue;
}
Class[] paramTypes = methods[i].getParameterTypes();
if (paramTypes.length != 1) {
continue;
}
if (paramTypes[0] != String[].class) {
continue;
}
mainMethod = methods[i];
break;
}
if (mainMethod == null) {
throw new NoSuchMethodException(LAUNCHER_CLASS_NAME + ":main(String[] args)");
}
Thread.currentThread().setContextClassLoader(cl);
mainMethod.invoke(launcherClass, new Object[] { this.args });
}
private static ClassLoader getInitialClassLoader() throws Exception {
BatchDownloader downloader = new BatchDownloader("http://localhost:9000"); // TODO hard-coded value
List<File> files = downloader.downloadBatchFiles(new File("/tmp/sonar-boot"));
ChildFirstClassLoader classLoader = new ChildFirstClassLoader();
for (File file : files) {
System.out.println(file);
classLoader.addFile(file);
}
// Add JAR with Sonar CLI - it's a Jar which contains this class
classLoader.addURL(BootstrapLauncher.class.getProtectionDomain().getCodeSource().getLocation());
return classLoader;
}
}
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