Computer Shopper 121/Computer Shopper 121/Computer Shopper 121.iso/Internet/Demon/TURNPIKE.1/CLASSES.ZIP/MS/APPLET/AppletPanel.class

Java Class File | 1997-04-14 | 7.2 KB | 367 lines

package ms.applet;

import java.applet.Applet;
import java.applet.AppletContext;
import java.applet.AppletStub;
import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.Event;
import java.awt.Panel;
import java.io.IOException;
import java.net.URL;
import sun.misc.MessageUtils;

public abstract class AppletPanel extends Panel implements AppletStub, Runnable {
   static String propName = "appletloader.";
   Applet applet;
   AppletClassLoader loader;
   protected int status;
   Thread handler;
   public static final int APPLET_DISPOSE = 0;
   public static final int APPLET_LOAD = 1;
   public static final int APPLET_INIT = 2;
   public static final int APPLET_START = 3;
   public static final int APPLET_STOP = 4;
   public static final int APPLET_DESTROY = 5;
   public static final int APPLET_QUIT = 6;
   public static final int APPLET_ERROR = 7;
   public static final int APPLET_RESIZE = 51234;
   public static final int APPLET_LOADING = 51235;
   public static final int APPLET_LOADING_COMPLETED = 51236;
   Dimension appletSize = new Dimension(100, 100);
   // $FF: renamed from: mu sun.misc.MessageUtils
   MessageUtils field_0 = new MessageUtils();
   Thread loaderThread;
   boolean loadAbortRequest = false;
   AppletViewer mAppletViewer;
   Event queue;
   private AppletClassLoader mAppletClassLoader;

   public AppletPanel(AppletViewer var1) {
      this.mAppletViewer = var1;
   }

   public void init(AppletThreadGroup var1) {
      ((Container)this).setLayout(new BorderLayout());
      String var2 = this.getParameter("width");
      if (var2 != null) {
         Dimension var10000 = this.appletSize;
         Integer var3 = new Integer(Integer.parseInt(var2, 10));
         var10000.width = var3.value;
      }

      var2 = this.getParameter("height");
      if (var2 != null) {
         Dimension var7 = this.appletSize;
         Integer var5 = new Integer(Integer.parseInt(var2, 10));
         var7.height = var5.value;
      }

      String var6 = "applet-" + this.getParameter("code");
      this.handler = new Thread(var1, this, "thread " + var6);
      this.handler.start();
   }

   public Dimension minimumSize() {
      return new Dimension(this.appletSize.width, this.appletSize.height);
   }

   public Dimension preferredSize() {
      return this.minimumSize();
   }

   public void sendEvent(int var1) {
      this.sendEvent(new Event((Object)null, var1, (Object)null));
   }

   protected synchronized void sendEvent(Event var1) {
      if (this.queue == null) {
         var1.target = this.queue;
         this.queue = var1;
         this.notifyAll();
      } else {
         Event var2;
         for(var2 = this.queue; var2.target != null; var2 = (Event)var2.target) {
         }

         var2.target = var1;
      }
   }

   synchronized Event getNextEvent() throws InterruptedException {
      while(this.queue == null) {
         this.wait(0L);
      }

      Event var1 = this.queue;
      this.queue = (Event)this.queue.target;
      var1.target = this;
      return var1;
   }

   public void run() {
      Thread var1 = Thread.currentThread();
      if (var1 == this.loaderThread) {
         this.runLoader();
      } else {
         int var2 = var1.priority;
         var1.setPriority(var2 + 1);

         while(true) {
            Event var3;
            try {
               var3 = this.getNextEvent();
            } catch (InterruptedException var8) {
               return;
            }

            try {
               switch (var3.id) {
                  case 0:
                     if (this.status == 1) {
                        this.status = 0;
                        ((Container)this).remove(this.applet);
                     }
                     break;
                  case 1:
                     if (this.okToLoad() && this.loaderThread == null) {
                        this.setLoaderThread(new Thread(this));
                        this.loaderThread.setPriority(var2 + 1);
                        this.loaderThread.start();
                        Thread var4 = this.loaderThread;
                        var4.join(0L);
                        this.setLoaderThread((Thread)null);
                     }
                     break;
                  case 2:
                     if (this.status == 1) {
                        this.applet.resize(this.appletSize);
                        this.applet.init();
                        ((Container)this).validate();
                        this.status = 2;
                        this.showAppletStatus(System.getProperty(propName + "inited"));
                     }
                     break;
                  case 3:
                     if (this.status == 2) {
                        this.applet.resize(this.appletSize);
                        this.applet.start();
                        ((Container)this).validate();
                        this.applet.show();
                        this.status = 3;
                        this.showAppletStatus(System.getProperty(propName + "started"));
                     }
                     break;
                  case 4:
                     if (this.status == 3) {
                        this.status = 2;
                        this.applet.stop();
                        this.showAppletStatus(System.getProperty(propName + "stopped"));
                     }
                     break;
                  case 5:
                     if (this.status == 2) {
                        this.status = 1;
                        this.applet.destroy();
                     }
                     break;
                  case 6:
                     return;
               }
            } catch (Exception var9) {
               String var12 = propName + "exception2";
               String var13 = var9.getClass().getName();
               String var14 = ((Throwable)var9).getMessage();
               this.showAppletStatus(MessageUtils.subst(System.getProperty(var12), var13, var14));
               this.showAppletException(var9);
            } catch (ThreadDeath var10) {
               return;
            } catch (Error var11) {
               String var5 = propName + "error2";
               String var6 = var11.getClass().getName();
               String var7 = ((Throwable)var11).getMessage();
               this.showAppletStatus(MessageUtils.subst(System.getProperty(var5), var6, var7));
               this.showAppletException(var11);
            }

            this.clearLoadAbortRequest();
         }
      }
   }

   private void runLoader() {
      if (this.status == 0) {
         ((Component)this).postEvent(new Event(this, 51235, (Object)null));
         this.status = 1;

         try {
            this.loader = this.getClassLoader(this.getCodeBase());
            if (Thread.currentThread().interruptRequested) {
               this.status = 0;
               ((Component)this).postEvent(new Event(this, 51236, (Object)null));
               return;
            }
         } catch (IOException var22) {
            this.status = 7;
            this.showAppletStatus(((Throwable)var22).getMessage());
            this.showAppletLog(((Throwable)var22).getMessage());
            this.showAppletException(var22);
            ((Component)this).postEvent(new Event(this, 51236, (Object)null));
            return;
         }

         String var1 = this.getParameter("code");
         if (var1 == null) {
            String var2 = propName + "nocode";
            this.status = 7;
            this.showAppletStatus(System.getProperty(var2));
            this.showAppletLog(var2);
            ((Component)this).repaint();
         } else if (var1.startsWith(".class", var1.count - ".class".count)) {
            var1 = var1.substring(0, var1.count - 6).replace('/', '.');
         } else if (var1.startsWith(".java", var1.count - ".java".count)) {
            var1 = var1.substring(0, var1.count - 5).replace('/', '.');
         }

         label175: {
            try {
               String var4 = propName + "loading";
               this.showAppletStatus(MessageUtils.subst(System.getProperty(var4), var1));
               this.applet = (Applet)this.loader.loadClass(var1).newInstance();
               if (!Thread.currentThread().interruptRequested) {
                  break label175;
               }

               this.status = 0;
               this.applet = null;
               return;
            } catch (ClassNotFoundException var15) {
               this.status = 7;
               String var25 = propName + "notfound";
               var25 = MessageUtils.subst(System.getProperty(var25), var1);
               this.showAppletStatus(var25);
               this.showAppletLog(var25);
               this.showAppletException(var15);
            } catch (InstantiationException var16) {
               this.status = 7;
               this.showAppletException(var16);
               return;
            } catch (IllegalAccessException var17) {
               this.status = 7;
               this.showAppletException(var17);
               return;
            } catch (Exception var18) {
               this.status = 7;
               String var24 = propName + "exception";
               String var27 = ((Throwable)var18).getMessage();
               this.showAppletStatus(MessageUtils.subst(System.getProperty(var24), var27));
               this.showAppletException(var18);
               return;
            } catch (ThreadDeath var19) {
               this.status = 7;
               return;
            } catch (Error var20) {
               this.status = 7;
               String var5 = propName + "error";
               String var6 = ((Throwable)var20).getMessage();
               this.showAppletStatus(MessageUtils.subst(System.getProperty(var5), var6));
               this.showAppletException(var20);
               return;
            } finally {
               ((Component)this).postEvent(new Event(this, 51236, (Object)null));
            }

            return;
         }

         Applet var23 = this.applet;
         var23.stub = this;
         this.applet.hide();
         ((Container)this).add("Center", this.applet);
         this.showAppletStatus(System.getProperty(propName + "loaded"));
         ((Container)this).validate();
      }
   }

   protected synchronized void stopLoading() {
      if (this.loaderThread != null) {
         this.loaderThread.interrupt();
      } else {
         this.setLoadAbortRequest();
      }
   }

   protected synchronized boolean okToLoad() {
      return !this.loadAbortRequest;
   }

   protected synchronized void clearLoadAbortRequest() {
      this.loadAbortRequest = false;
   }

   protected synchronized void setLoadAbortRequest() {
      this.loadAbortRequest = true;
   }

   private synchronized void setLoaderThread(Thread var1) {
      this.loaderThread = var1;
   }

   public boolean isActive() {
      return this.status == 3;
   }

   public void appletResize(int var1, int var2) {
   }

   public Applet getApplet() {
      return this.applet;
   }

   protected void showAppletStatus(String var1) {
      String var2 = System.getProperty(var1);
      if (var2 == null) {
         var2 = var1;
      }

      this.getAppletContext().showStatus(var2);
   }

   protected void showAppletLog(String var1) {
      String var2 = System.getProperty(var1);
      if (var2 == null) {
         var2 = var1;
      }

      System.out.println(var2);
   }

   protected void showAppletException(Throwable var1) {
      var1.printStackTrace();
      ((Component)this).repaint();
   }

   synchronized AppletClassLoader getClassLoader(URL var1) throws IOException {
      if (this.mAppletClassLoader == null) {
         String var2 = var1.file;
         if (var2.startsWith("/", var2.count - "/".count)) {
            this.mAppletClassLoader = new AppletClassLoader(this.mAppletViewer, var1);
         } else {
            this.mAppletClassLoader = new AppletZipClassLoader(this.mAppletViewer, var1);
         }
      }

      return this.mAppletClassLoader;
   }

   public abstract URL getDocumentBase();

   public abstract URL getCodeBase();

   public abstract String getParameter(String var1);

   public abstract AppletContext getAppletContext();
}