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authorElliot Kroo <kroo@appjet.com>2010-03-11 15:21:30 -0800
committerElliot Kroo <kroo@appjet.com>2010-03-11 15:21:30 -0800
commit98e2821b38a775737e42a2479a6bc65107210859 (patch)
tree55939a8ba1dce4f4e48ebb13b658061d62bf1b9a /infrastructure/rhino1_7R1/src/org/mozilla/javascript/jdk13
parentc1894c8e0a52f4e3d2f89fa92f0066bbf0fcf1b1 (diff)
downloadetherpad-98e2821b38a775737e42a2479a6bc65107210859.tar.gz
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reorganizing the first level of folders (trunk/branch folders are not the git way :)
Diffstat (limited to 'infrastructure/rhino1_7R1/src/org/mozilla/javascript/jdk13')
-rw-r--r--infrastructure/rhino1_7R1/src/org/mozilla/javascript/jdk13/VMBridge_jdk13.java157
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diff --git a/infrastructure/rhino1_7R1/src/org/mozilla/javascript/jdk13/VMBridge_jdk13.java b/infrastructure/rhino1_7R1/src/org/mozilla/javascript/jdk13/VMBridge_jdk13.java
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+++ b/infrastructure/rhino1_7R1/src/org/mozilla/javascript/jdk13/VMBridge_jdk13.java
@@ -0,0 +1,157 @@
+/* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ *
+ * ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0
+ *
+ * The contents of this file are subject to the Mozilla 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/MPL/
+ *
+ * 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 the Initial Developer are Copyright (C) 1997-2000
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * the GNU General Public License Version 2 or later (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
+ * MPL, indicate your decision by deleting the provisions above and replacing
+ * 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 MPL or the GPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+package org.mozilla.javascript.jdk13;
+
+import java.lang.reflect.AccessibleObject;
+import java.lang.reflect.Constructor;
+import java.lang.reflect.InvocationHandler;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.lang.reflect.Member;
+import java.lang.reflect.Proxy;
+
+import org.mozilla.javascript.*;
+
+public class VMBridge_jdk13 extends VMBridge
+{
+ private ThreadLocal contextLocal = new ThreadLocal();
+
+ protected Object getThreadContextHelper()
+ {
+ // To make subsequent batch calls to getContext/setContext faster
+ // associate permanently one element array with contextLocal
+ // so getContext/setContext would need just to read/write the first
+ // array element.
+ // Note that it is necessary to use Object[], not Context[] to allow
+ // garbage collection of Rhino classes. For details see comments
+ // by Attila Szegedi in
+ // https://bugzilla.mozilla.org/show_bug.cgi?id=281067#c5
+
+ Object[] storage = (Object[])contextLocal.get();
+ if (storage == null) {
+ storage = new Object[1];
+ contextLocal.set(storage);
+ }
+ return storage;
+ }
+
+ protected Context getContext(Object contextHelper)
+ {
+ Object[] storage = (Object[])contextHelper;
+ return (Context)storage[0];
+ }
+
+ protected void setContext(Object contextHelper, Context cx)
+ {
+ Object[] storage = (Object[])contextHelper;
+ storage[0] = cx;
+ }
+
+ protected ClassLoader getCurrentThreadClassLoader()
+ {
+ return Thread.currentThread().getContextClassLoader();
+ }
+
+ protected boolean tryToMakeAccessible(Object accessibleObject)
+ {
+ if (!(accessibleObject instanceof AccessibleObject)) {
+ return false;
+ }
+ AccessibleObject accessible = (AccessibleObject)accessibleObject;
+ if (accessible.isAccessible()) {
+ return true;
+ }
+ try {
+ accessible.setAccessible(true);
+ } catch (Exception ex) { }
+
+ return accessible.isAccessible();
+ }
+
+ protected Object getInterfaceProxyHelper(ContextFactory cf,
+ Class[] interfaces)
+ {
+ // XXX: How to handle interfaces array withclasses from different
+ // class loaders? Using cf.getApplicationClassLoader() ?
+ ClassLoader loader = interfaces[0].getClassLoader();
+ Class cl = Proxy.getProxyClass(loader, interfaces);
+ Constructor c;
+ try {
+ c = cl.getConstructor(new Class[] { InvocationHandler.class });
+ } catch (NoSuchMethodException ex) {
+ // Should not happen
+ throw Kit.initCause(new IllegalStateException(), ex);
+ }
+ return c;
+ }
+
+ protected Object newInterfaceProxy(Object proxyHelper,
+ final ContextFactory cf,
+ final InterfaceAdapter adapter,
+ final Object target,
+ final Scriptable topScope)
+ {
+ Constructor c = (Constructor)proxyHelper;
+
+ InvocationHandler handler = new InvocationHandler() {
+ public Object invoke(Object proxy,
+ Method method,
+ Object[] args)
+ {
+ return adapter.invoke(cf, target, topScope, method, args);
+ }
+ };
+ Object proxy;
+ try {
+ proxy = c.newInstance(new Object[] { handler });
+ } catch (InvocationTargetException ex) {
+ throw Context.throwAsScriptRuntimeEx(ex);
+ } catch (IllegalAccessException ex) {
+ // Shouls not happen
+ throw Kit.initCause(new IllegalStateException(), ex);
+ } catch (InstantiationException ex) {
+ // Shouls not happen
+ throw Kit.initCause(new IllegalStateException(), ex);
+ }
+ return proxy;
+ }
+
+ protected boolean isVarArgs(Member member) {
+ return false;
+ }
+}