/*
* Copyright (c) 2008, 2012, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code 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 General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package test.output;
import java.io.*;
import java.net.*;
public class JREJarLoadTest {
public static void main(String[] args) {
testLoad("com.sun.tools.javac.api.JavacTool", "tools.jar");
}
private static void testLoad(String name, String jarName) {
System.out.println(name + " in " + jarName + " = " + loadClass(name, jarName));
}
private static Class loadClass(String name, String jarName) {
File file = new File(System.getProperty("java.home"));
if (file.getName().equalsIgnoreCase("jre")) {
file = file.getParentFile();
}
final String[] location = {"lib", jarName};
for (String n : location) {
file = new File(file, n);
}
try {
final URL[] urls = {file.toURI().toURL()};
final ClassLoader cl = URLClassLoader.newInstance(urls);
return Class.forName(name, false, cl);
} catch (MalformedURLException e) {
return null;
} catch (ClassNotFoundException e) {
return null;
}
}
}