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      1 /*
      2  * Copyright (c) 2009-2010 jMonkeyEngine
      3  * All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions are
      7  * met:
      8  *
      9  * * Redistributions of source code must retain the above copyright
     10  *   notice, this list of conditions and the following disclaimer.
     11  *
     12  * * Redistributions in binary form must reproduce the above copyright
     13  *   notice, this list of conditions and the following disclaimer in the
     14  *   documentation and/or other materials provided with the distribution.
     15  *
     16  * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
     17  *   may be used to endorse or promote products derived from this software
     18  *   without specific prior written permission.
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     21  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     23  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
     24  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     25  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     26  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     27  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
     28  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
     29  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
     30  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 
     33 package jme3test.awt;
     34 
     35 import com.jme3.app.Application;
     36 import com.jme3.system.AppSettings;
     37 import com.jme3.system.JmeCanvasContext;
     38 import com.jme3.system.JmeSystem;
     39 import java.applet.Applet;
     40 import java.awt.Canvas;
     41 import java.awt.Graphics;
     42 import java.io.IOException;
     43 import java.io.InputStream;
     44 import java.net.MalformedURLException;
     45 import java.net.URL;
     46 import javax.swing.SwingUtilities;
     47 
     48 /**
     49  *
     50  * @author Kirill
     51  */
     52 public class AppHarness extends Applet {
     53 
     54     private JmeCanvasContext context;
     55     private Canvas canvas;
     56     private Application app;
     57 
     58     private String appClass;
     59     private URL appCfg = null;
     60 
     61     private void createCanvas(){
     62         AppSettings settings = new AppSettings(true);
     63 
     64         // load app cfg
     65         if (appCfg != null){
     66             try {
     67                 InputStream in = appCfg.openStream();
     68                 settings.load(in);
     69                 in.close();
     70             } catch (IOException ex){
     71                 ex.printStackTrace();
     72             }
     73         }
     74 
     75         settings.setWidth(getWidth());
     76         settings.setHeight(getHeight());
     77         settings.setAudioRenderer(null);
     78 
     79         JmeSystem.setLowPermissions(true);
     80 
     81         try{
     82             Class<? extends Application> clazz = (Class<? extends Application>) Class.forName(appClass);
     83             app = clazz.newInstance();
     84         }catch (ClassNotFoundException ex){
     85             ex.printStackTrace();
     86         }catch (InstantiationException ex){
     87             ex.printStackTrace();
     88         }catch (IllegalAccessException ex){
     89             ex.printStackTrace();
     90         }
     91 
     92         app.setSettings(settings);
     93         app.createCanvas();
     94 
     95         context = (JmeCanvasContext) app.getContext();
     96         canvas = context.getCanvas();
     97         canvas.setSize(getWidth(), getHeight());
     98 
     99         add(canvas);
    100         app.startCanvas();
    101     }
    102 
    103     @Override
    104     public final void update(Graphics g) {
    105         canvas.setSize(getWidth(), getHeight());
    106     }
    107 
    108     @Override
    109     public void init(){
    110         appClass = getParameter("AppClass");
    111         if (appClass == null)
    112             throw new RuntimeException("The required parameter AppClass isn't specified!");
    113 
    114         try {
    115             appCfg = new URL(getParameter("AppSettingsURL"));
    116         } catch (MalformedURLException ex) {
    117             ex.printStackTrace();
    118             appCfg = null;
    119         }
    120 
    121         createCanvas();
    122         System.out.println("applet:init");
    123     }
    124 
    125     @Override
    126     public void start(){
    127         context.setAutoFlushFrames(true);
    128         System.out.println("applet:start");
    129     }
    130 
    131     @Override
    132     public void stop(){
    133         context.setAutoFlushFrames(false);
    134         System.out.println("applet:stop");
    135     }
    136 
    137     @Override
    138     public void destroy(){
    139         System.out.println("applet:destroyStart");
    140         SwingUtilities.invokeLater(new Runnable(){
    141             public void run(){
    142                 removeAll();
    143                 System.out.println("applet:destroyRemoved");
    144             }
    145         });
    146         app.stop(true);
    147         System.out.println("applet:destroyDone");
    148     }
    149 
    150 }
    151