/* * Copyright (c) 2005, 2006, 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 javax.script.*;import sun.org.mozilla.javascript.internal.*; /** * Represents compiled JavaScript code. * * @author Mike Grogan * @since 1.6 */final class RhinoCompiledScript extends CompiledScript {     private RhinoScriptEngine engine;    private Script script;      RhinoCompiledScript(RhinoScriptEngine engine, Script script) {        this.engine = engine;        this.script = script;    }     public Object eval(ScriptContext context) throws ScriptException {         Object result = null;        Context cx = RhinoScriptEngine.enterContext();        try {             Scriptable scope = engine.getRuntimeScope(context);            Object ret = script.exec(cx, scope);            result = engine.unwrapReturnValue(ret);        } catch (RhinoException re) {            int line = (line = re.lineNumber()) == 0 ? -1 : line;            String msg;            if (re instanceof JavaScriptException) {                msg = String.valueOf(((JavaScriptException)re).getValue());            } else {                msg = re.toString();            }            ScriptException se = new ScriptException(msg, re.sourceName(), line);            se.initCause(re);            throw se;        } finally {            Context.exit();        }         return result;    }     public ScriptEngine getEngine() {        return engine;    } }