90 lines
2.9 KiB
Java
90 lines
2.9 KiB
Java
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Rhino code, released
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* May 6, 1999.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1997-1999
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Norris Boyd
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* Roger Lawrence
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* Patrick Beard
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* Igor Bukanov
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*
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* Alternatively, the contents of this file may be used under the terms of
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* the GNU General Public License Version 2 or later (the "GPL"), in which
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* case the provisions of the GPL are applicable instead of those above. If
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* you wish to allow use of your version of this file only under the terms of
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* the GPL and not to allow others to use your version of this file under the
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* MPL, indicate your decision by deleting the provisions above and replacing
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* them with the notice and other provisions required by the GPL. If you do
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* not delete the provisions above, a recipient may use your version of this
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* file under either the MPL or the GPL.
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*
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* ***** END LICENSE BLOCK ***** */
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package org.mozilla.javascript;
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/**
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* Load generated classes.
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*
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* @author Norris Boyd
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*/
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public class DefiningClassLoader extends ClassLoader
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implements GeneratedClassLoader
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{
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public DefiningClassLoader() {
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this.parentLoader = getClass().getClassLoader();
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}
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public DefiningClassLoader(ClassLoader parentLoader) {
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this.parentLoader = parentLoader;
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}
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public Class<?> defineClass(String name, byte[] data) {
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// Use our own protection domain for the generated classes.
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// TODO: we might want to use a separate protection domain for classes
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// compiled from scripts, based on where the script was loaded from.
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return super.defineClass(name, data, 0, data.length,
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SecurityUtilities.getProtectionDomain(getClass()));
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}
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public void linkClass(Class<?> cl) {
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resolveClass(cl);
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}
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@Override
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public Class<?> loadClass(String name, boolean resolve)
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throws ClassNotFoundException
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{
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Class<?> cl = findLoadedClass(name);
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if (cl == null) {
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if (parentLoader != null) {
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cl = parentLoader.loadClass(name);
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} else {
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cl = findSystemClass(name);
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}
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}
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if (resolve) {
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resolveClass(cl);
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}
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return cl;
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}
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private final ClassLoader parentLoader;
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}
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