/**

  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.

  *

  * Copyright 2013-2014 Oracle and/or its affiliates. All rights reserved.

  *

  * Oracle and Java are registered trademarks of Oracle and/or its affiliates.

  * Other names may be trademarks of their respective owners.

  *

  * The contents of this file are subject to the terms of either the GNU

  * General Public License Version 2 only ("GPL") or the Common

  * Development and Distribution License("CDDL") (collectively, the

  * "License"). You may not use this file except in compliance with the

  * License. You can obtain a copy of the License at

  * http://www.netbeans.org/cddl-gplv2.html

  * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the

  * specific language governing permissions and limitations under the

  * License.  When distributing the software, include this License Header

  * Notice in each file and include the License file at

  * nbbuild/licenses/CDDL-GPL-2-CP.  Oracle designates this

  * particular file as subject to the "Classpath" exception as provided

  * by Oracle in the GPL Version 2 section of the License file that

  * accompanied this code. If applicable, add the following below the

  * License Header, with the fields enclosed by brackets [] replaced by

  * your own identifying information:

  * "Portions Copyrighted [year] [name of copyright owner]"

  *

  * Contributor(s):

  *

  * The Original Software is NetBeans. The Initial Developer of the Original

  * Software is Oracle. Portions Copyright 2013-2014 Oracle. All Rights Reserved.

  *

  * If you wish your version of this file to be governed by only the CDDL

  * or only the GPL Version 2, indicate your decision by adding

  * "[Contributor] elects to include this software in this distribution

  * under the [CDDL or GPL Version 2] license." If you do not indicate a

  * single choice of license, a recipient has the option to distribute

  * your version of this file under either the CDDL, the GPL Version 2 or

  * to extend the choice of license to its licensees as provided above.

  * However, if you add GPL Version 2 code and therefore, elected the GPL

  * Version 2 license, then the option applies only if the new code is

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 package org.netbeans.html.boot.fx;

 import java.io.IOException;

 import java.io.ObjectInputStream;

 import java.io.ObjectOutputStream;

 import java.net.InetAddress;

 import java.net.Socket;

 import java.nio.charset.StandardCharsets;

 import java.util.logging.Level;

 import java.util.logging.Logger;

 import javafx.application.Platform;

 import javafx.scene.web.WebEngine;

 import javafx.util.Callback;

 /**

  *

  * @author Jaroslav Tulach <jtulach@netbeans.org>

  */

 final class FXInspect implements Runnable {

     private static final Logger LOG = Logger.getLogger(FXInspect.class.getName());

     private final WebEngine engine;

     private final ObjectInputStream input;

     private Dbgr dbg;

     private FXInspect(WebEngine engine, int port) throws IOException {

         this.engine = engine;

         Socket socket = new Socket(InetAddress.getByName(null), port);

         ObjectOutputStream output = new ObjectOutputStream(socket.getOutputStream());

         this.input = new ObjectInputStream(socket.getInputStream());

         initializeDebugger(output);

     }

     static boolean initialize(WebEngine engine) {

         final int inspectPort = Integer.getInteger("netbeans.inspect.port", -1); // NOI18N

         if (inspectPort != -1) {

             try {

                 FXInspect inspector = new FXInspect(engine, inspectPort);

                 Thread t = new Thread(inspector, "FX<->NetBeans Inspector");

                 t.start();

                 return true;

             } catch (IOException ex) {

                 LOG.log(Level.INFO, "Cannot connect to NetBeans IDE to port " + inspectPort, ex); // NOI18N

             }

         }

         return false;

     }

     private void initializeDebugger(final ObjectOutputStream output) {

         Platform.runLater(new Runnable() {

             @Override

             public void run() {

                 dbg = new Dbgr(engine, new Callback<String,Void>() {

                     @Override

                     public Void call(String message) {

                         try {

                             byte[] bytes = message.getBytes(StandardCharsets.UTF_8);

                             output.writeInt(bytes.length);

                             output.write(bytes);

                             output.flush();

                         } catch (IOException ioex) {

                             ioex.printStackTrace();

                         }

                         return null;

                     }

                 });

             }

         });

     }

     @Override

     public void run() {

         try {

             while (true) {

                 int length = input.readInt();

                 byte[] bytes = new byte[length];

                 input.readFully(bytes);

                 final String message = new String(bytes, StandardCharsets.UTF_8);

                 Platform.runLater(new Runnable() {

                     @Override

                     public void run() {

                         dbg.sendMessage(message);

                     }

                 });

             }

         } catch (IOException ex) {

             LOG.log(Level.WARNING, null, ex);

         }

     }

 }