/* * Copyright (c) 2005, 2010, 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. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * 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 com.sun.script.javascript;import sun.org.mozilla.javascript.internal.*;import javax.script.*;/** * This class serves as top level scope for Rhino. This class adds * 3 top level functions (bindings, scope, sync) and two constructors * (JSAdapter, JavaAdapter). * * @author A. Sundararajan * @since 1.6 */public final class RhinoTopLevel extends ImporterTopLevel { RhinoTopLevel(Context cx, RhinoScriptEngine engine) { super(cx); this.engine = engine; // initialize JSAdapter lazily. Reduces footprint & startup time. new LazilyLoadedCtor(this, "JSAdapter", "com.sun.script.javascript.JSAdapter", false); /* * initialize JavaAdapter. We can't lazy initialize this because * lazy initializer attempts to define a new property. But, JavaAdapter * is an exisiting property that we overwrite. */ JavaAdapter.init(cx, this, false); // add top level functions String names[] = { "bindings", "scope", "sync" }; defineFunctionProperties(names, RhinoTopLevel.class, ScriptableObject.DONTENUM); } /** * The bindings function takes a JavaScript scope object * of type ExternalScriptable and returns the underlying Bindings * instance. * * var page = scope(pageBindings); * with (page) { * // code that uses page scope * } * var b = bindings(page); * // operate on bindings here. */ public static Object bindings(Context cx, Scriptable thisObj, Object[] args, Function funObj) { if (args.length == 1) { Object arg = args[0]; if (arg instanceof Wrapper) { arg = ((Wrapper)arg).unwrap(); } if (arg instanceof ExternalScriptable) { ScriptContext ctx = ((ExternalScriptable)arg).getContext(); Bindings bind = ctx.getBindings(ScriptContext.ENGINE_SCOPE); return Context.javaToJS(bind, ScriptableObject.getTopLevelScope(thisObj)); } } return cx.getUndefinedValue(); } /** * The scope function creates a new JavaScript scope object * with given Bindings object as backing store. This can be used * to create a script scope based on arbitrary Bindings instance. * For example, in webapp scenario, a 'page' level Bindings instance * may be wrapped as a scope and code can be run in JavaScripe 'with' * statement: * * var page = scope(pageBindings); * with (page) { * // code that uses page scope * } */ public static Object scope(Context cx, Scriptable thisObj, Object[] args, Function funObj) { if (args.length == 1) { Object arg = args[0]; if (arg instanceof Wrapper) { arg = ((Wrapper)arg).unwrap(); } if (arg instanceof Bindings) { ScriptContext ctx = new SimpleScriptContext(); ctx.setBindings((Bindings)arg, ScriptContext.ENGINE_SCOPE); Scriptable res = new ExternalScriptable(ctx); res.setPrototype(ScriptableObject.getObjectPrototype(thisObj)); res.setParentScope(ScriptableObject.getTopLevelScope(thisObj)); return res; } } return cx.getUndefinedValue(); } /** * The sync function creates a synchronized function (in the sense * of a Java synchronized method) from an existing function. The * new function synchronizes on the <code>this</code> object of * its invocation. * js> var o = { f : sync(function(x) { * print("entry"); * Packages.java.lang.Thread.sleep(x*1000); * print("exit"); * })}; * js> thread(function() {o.f(5);}); * entry * js> thread(function() {o.f(5);}); * js> * exit * entry * exit */ public static Object sync(Context cx, Scriptable thisObj, Object[] args, Function funObj) { if (args.length == 1 && args[0] instanceof Function) { return new Synchronizer((Function)args[0]); } else { throw Context.reportRuntimeError("wrong argument(s) for sync"); } } RhinoScriptEngine getScriptEngine() { return engine; } private RhinoScriptEngine engine;}
/*
* Copyright (c) 2005, 2010, 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. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* 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 com.sun.script.javascript;
import sun.org.mozilla.javascript.internal.*;
import javax.script.*;
/**
* This class serves as top level scope for Rhino. This class adds
* 3 top level functions (bindings, scope, sync) and two constructors
* (JSAdapter, JavaAdapter).
*
* @author A. Sundararajan
* @since 1.6
*/
public final class RhinoTopLevel extends ImporterTopLevel {
RhinoTopLevel(Context cx, RhinoScriptEngine engine) {
super(cx);
this.engine = engine;
// initialize JSAdapter lazily. Reduces footprint & startup time.
new LazilyLoadedCtor(this, "JSAdapter",
"com.sun.script.javascript.JSAdapter",
false);
/*
* initialize JavaAdapter. We can't lazy initialize this because
* lazy initializer attempts to define a new property. But, JavaAdapter
* is an exisiting property that we overwrite.
*/
JavaAdapter.init(cx, this, false);
// add top level functions
String names[] = { "bindings", "scope", "sync" };
defineFunctionProperties(names, RhinoTopLevel.class,
ScriptableObject.DONTENUM);
}
/**
* The bindings function takes a JavaScript scope object
* of type ExternalScriptable and returns the underlying Bindings
* instance.
*
* var page = scope(pageBindings);
* with (page) {
* // code that uses page scope
* }
* var b = bindings(page);
* // operate on bindings here.
*/
public static Object bindings(Context cx, Scriptable thisObj, Object[] args,
Function funObj) {
if (args.length == 1) {
Object arg = args[0];
if (arg instanceof Wrapper) {
arg = ((Wrapper)arg).unwrap();
}
if (arg instanceof ExternalScriptable) {
ScriptContext ctx = ((ExternalScriptable)arg).getContext();
Bindings bind = ctx.getBindings(ScriptContext.ENGINE_SCOPE);
return Context.javaToJS(bind,
ScriptableObject.getTopLevelScope(thisObj));
}
}
return cx.getUndefinedValue();
}
/**
* The scope function creates a new JavaScript scope object
* with given Bindings object as backing store. This can be used
* to create a script scope based on arbitrary Bindings instance.
* For example, in webapp scenario, a 'page' level Bindings instance
* may be wrapped as a scope and code can be run in JavaScripe 'with'
* statement:
*
* var page = scope(pageBindings);
* with (page) {
* // code that uses page scope
* }
*/
public static Object scope(Context cx, Scriptable thisObj, Object[] args,
Function funObj) {
if (args.length == 1) {
Object arg = args[0];
if (arg instanceof Wrapper) {
arg = ((Wrapper)arg).unwrap();
}
if (arg instanceof Bindings) {
ScriptContext ctx = new SimpleScriptContext();
ctx.setBindings((Bindings)arg, ScriptContext.ENGINE_SCOPE);
Scriptable res = new ExternalScriptable(ctx);
res.setPrototype(ScriptableObject.getObjectPrototype(thisObj));
res.setParentScope(ScriptableObject.getTopLevelScope(thisObj));
return res;
}
}
return cx.getUndefinedValue();
}
/**
* The sync function creates a synchronized function (in the sense
* of a Java synchronized method) from an existing function. The
* new function synchronizes on the <code>this</code> object of
* its invocation.
* js> var o = { f : sync(function(x) {
* print("entry");
* Packages.java.lang.Thread.sleep(x*1000);
* print("exit");
* })};
* js> thread(function() {o.f(5);});
* entry
* js> thread(function() {o.f(5);});
* js>
* exit
* entry
* exit
*/
public static Object sync(Context cx, Scriptable thisObj, Object[] args,
Function funObj) {
if (args.length == 1 && args[0] instanceof Function) {
return new Synchronizer((Function)args[0]);
} else {
throw Context.reportRuntimeError("wrong argument(s) for sync");
}
}
RhinoScriptEngine getScriptEngine() {
return engine;
}
private RhinoScriptEngine engine;
}