core/cocoon-expression-language/cocoon-expression-language-impl/src/main/java/org/apache/cocoon/el/impl/helpers/RhinoScopeFactory.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (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.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.cocoon.el.impl.helpers;

import org.mozilla.javascript.Context;
import org.mozilla.javascript.Scriptable;

/**
 * This is a simple factory class that produces Rhino scope.
 * Scope returned by this factory will be used as Spring bean.
 */
public final class RhinoScopeFactory {

    public static Scriptable createRhinoScope() {
        final Scriptable rootScope;

        Context ctx = Context.enter();
        try {
            rootScope = ctx.initStandardObjects(null);
        } finally {
            Context.exit();
        }
        return rootScope;
    }
}