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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.mozilla.javascript;
/**
* Load generated classes.
*
* @author Norris Boyd
*/
public class DefiningClassLoader extends ClassLoader
implements GeneratedClassLoader
{
public DefiningClassLoader() {
this.parentLoader = getClass().getClassLoader();
}
public DefiningClassLoader(ClassLoader parentLoader) {
this.parentLoader = parentLoader;
}
public Class defineClass(String name, byte[] data) {
// Use our own protection domain for the generated classes.
// TODO: we might want to use a separate protection domain for classes
// compiled from scripts, based on where the script was loaded from.
return super.defineClass(name, data, 0, data.length,
SecurityUtilities.getProtectionDomain(getClass()));
}
public void linkClass(Class cl) {
resolveClass(cl);
}
@Override
public Class loadClass(String name, boolean resolve)
throws ClassNotFoundException
{
Class cl = findLoadedClass(name);
if (cl == null) {
if (parentLoader != null) {
cl = parentLoader.loadClass(name);
} else {
cl = findSystemClass(name);
}
}
if (resolve) {
resolveClass(cl);
}
return cl;
}
private final ClassLoader parentLoader;
}