scripting/examples/java/debugger/OORhinoDebugger.java

   1 /*
   2  * This file is part of the LibreOffice project.
   3  *
   4  * This Source Code Form is subject to the terms of the Mozilla Public
   5  * License, v. 2.0. If a copy of the MPL was not distributed with this
   6  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   7  *
   8  * This file incorporates work covered by the following license notice:
   9  *
  10  *   Licensed to the Apache Software Foundation (ASF) under one or more
  11  *   contributor license agreements. See the NOTICE file distributed
  12  *   with this work for additional information regarding copyright
  13  *   ownership. The ASF licenses this file to you under the Apache
  14  *   License, Version 2.0 (the "License"); you may not use this file
  15  *   except in compliance with the License. You may obtain a copy of
  16  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  17  */
  18
  19 package org.libreoffice.example.java_scripts;
  20
  21 import javax.swing.SwingUtilities;
  22 import java.io.InputStream;
  23
  24 import org.mozilla.javascript.Context;
  25 import org.mozilla.javascript.Scriptable;
  26 import org.mozilla.javascript.ImporterTopLevel;
  27 import org.mozilla.javascript.tools.debugger.Main;
  28 import org.mozilla.javascript.tools.debugger.ScopeProvider;
  29
  30 import com.sun.star.script.provider.XScriptContext;
  31
  32 public class OORhinoDebugger implements OOScriptDebugger {
  33
  34     public void go(final XScriptContext xsctxt, String filename) {
  35         Main sdb = initUI(xsctxt);
  36
  37         // This is the method we've added to open a file when starting
  38         // the Rhino debugger
  39         sdb.openFile(filename);
  40     }
  41
  42     public void go(final XScriptContext xsctxt, InputStream in) {
  43         Main sdb = initUI(xsctxt);
  44
  45         // Open a stream in the debugger
  46         sdb.openStream(in);
  47     }
  48
  49     // This code is based on the main method of the Rhino Debugger Main class
  50     // We pass in the XScriptContext in the global scope for script execution
  51     private Main initUI(final XScriptContext xsctxt) {
  52         try {
  53             final Main sdb = new Main("Rhino JavaScript Debugger");
  54             swingInvoke(new Runnable() {
  55                 public void run() {
  56                     sdb.pack();
  57                     sdb.setSize(640, 640);
  58                     sdb.setVisible(true);
  59                 }
  60             });
  61             sdb.setExitAction(new Runnable() {
  62                 public void run() {
  63                     sdb.dispose();
  64                 }
  65             });
  66             Context.addContextListener(sdb);
  67             sdb.setScopeProvider(new ScopeProvider() {
  68                 public Scriptable getScope() {
  69                     Context ctxt = Context.enter();
  70                     ImporterTopLevel scope = new ImporterTopLevel(ctxt);
  71                     Scriptable jsArgs = Context.toObject(xsctxt, scope);
  72                     scope.put("XSCRIPTCONTEXT", scope, jsArgs);
  73                     Context.exit();
  74                     return scope;
  75                 }
  76             });
  77             return sdb;
  78         } catch (Exception exc) {
  79             exc.printStackTrace();
  80         }
  81
  82         return null;
  83     }
  84
  85     static void swingInvoke(Runnable f) {
  86         if (SwingUtilities.isEventDispatchThread()) {
  87             f.run();
  88             return;
  89         }
  90
  91         try {
  92             SwingUtilities.invokeAndWait(f);
  93         } catch (Exception exc) {
  94             exc.printStackTrace();
  95         }
  96     }
  97 }