New file, mostly moved from org.mozilla.javascript.optimizer.JavaScriptClassLoader

git-svn-id: svn://10.0.0.236/trunk@94995 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/js/rhino/src/org/mozilla/classfile/DefiningClassLoader.java

@@ -0,0 +1,74 @@
+/* 
+ * The contents of this file are subject to the Netscape Public
+ * License Version 1.1 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.mozilla.org/NPL/
+ * 
+ * Software distributed under the License is distributed on an "AS
+ * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+ * implied. See the License for the specific language governing
+ * rights and limitations under the License.
+ * 
+ * The Original Code is Rhino code, released
+ * May 6, 1999.
+ *
+ * The Initial Developer of the Original Code is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1997-1999 Netscape Communications Corporation. All
+ * Rights Reserved.
+ * 
+ * Contributor(s):
+ * Norris Boyd
+ * Roger Lawrence
+ * Patrick Beard
+ * 
+ * Alternatively, the contents of this file may be used under the
+ * terms of the GNU Public License (the "GPL"), in which case the
+ * provisions of the GPL are applicable instead of those above.
+ * If you wish to allow use of your version of this file only
+ * under the terms of the GPL and not to allow others to use your
+ * version of this file under the NPL, indicate your decision by
+ * deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL.  If you do not delete
+ * the provisions above, a recipient may use your version of this
+ * file under either the NPL or the GPL.
+ */
+
+
+package org.mozilla.classfile;
+
+/**
+ * Load generated classes.
+ *
+ * @author Norris Boyd
+ */
+public class DefiningClassLoader extends ClassLoader {
+
+    public Class defineClass(String name, byte data[]) {
+        ClassLoader loader = getClass().getClassLoader();
+        if (loader != null) {
+            Class clazz = ClassManager.defineClass(loader, name, data);
+            if (clazz != null)
+                return clazz;
+        }
+        return super.defineClass(name, data, 0, data.length);
+    }
+
+    public Class loadClass(String name, boolean resolve)
+        throws ClassNotFoundException
+    {
+        Class clazz;
+        ClassLoader loader = getClass().getClassLoader();
+        if (loader != null) {
+            clazz = ClassManager.loadClass(loader, name, resolve);
+            if (clazz != null)
+                return clazz;
+        }
+        clazz = findLoadedClass(name);
+        if (clazz == null)
+            clazz = findSystemClass(name);
+        if (resolve)
+            resolveClass(clazz);
+        return clazz;
+    }
+}