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Java example source code file (RhinoScriptEngine.java)
The RhinoScriptEngine.java Java example source code/* * Copyright (c) 1998, 2007, 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.hotspot.igv.rhino; import com.sun.hotspot.igv.filter.ScriptEngineAbstraction; import com.sun.hotspot.igv.graph.Diagram; import java.lang.reflect.Constructor; import java.lang.reflect.InvocationTargetException; import java.lang.reflect.Method; /** * * @author Thomas Wuerthinger */ public class RhinoScriptEngine implements ScriptEngineAbstraction { private String jsHelperText; private Constructor importer; private Method scope_put; private Method cx_evaluateString; private Method context_enter; private Method context_exit; public boolean initialize(String s) { this.jsHelperText = s; Class importerTopLevel = null; try { ClassLoader cl = RhinoScriptEngine.class.getClassLoader(); Class context = cl.loadClass("org.mozilla.javascript.Context"); Class scriptable = cl.loadClass("org.mozilla.javascript.Scriptable"); importerTopLevel = cl.loadClass("org.mozilla.javascript.ImporterTopLevel"); importer = importerTopLevel.getDeclaredConstructor(context); scope_put = importerTopLevel.getMethod("put", new Class[]{String.class, scriptable, Object.class}); cx_evaluateString = context.getDeclaredMethod("evaluateString", new Class[]{scriptable, String.class, String.class, Integer.TYPE, Object.class}); context_enter = context.getDeclaredMethod("enter", new Class[0]); context_exit = context.getDeclaredMethod("exit", new Class[0]); return true; } catch (NoSuchMethodException nsme) { return false; } catch (ClassNotFoundException cnfe) { return false; } } public void execute(Diagram d, String code) { try { Object cx = context_enter.invoke(null, (Object[]) null); try { Object scope = importer.newInstance(cx); scope_put.invoke(scope, "IO", scope, System.out); scope_put.invoke(scope, "graph", scope, d); cx_evaluateString.invoke(cx, scope, jsHelperText, "jsHelper.js", 1, null); cx_evaluateString.invoke(cx, scope, code, "<cmd>", 1, null); } finally { // Exit from the context. context_exit.invoke(null, (Object[]) null); } } catch (InvocationTargetException iae) { } catch (IllegalAccessException iae) { } catch (InstantiationException iae) { } } } Other Java examples (source code examples)Here is a short list of links related to this Java RhinoScriptEngine.java source code file: |
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