/*

  * Copyright 1995-2005 Sun Microsystems, Inc.  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.  Sun designates this

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

  * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

  * CA 95054 USA or visit www.sun.com if you need additional information or

  * have any questions.

  */

 package sun.applet;

 import java.util.*;

 import java.net.URL;

 import java.net.MalformedURLException;

 import java.applet.*;

 /**

  * Sample applet panel class. The panel manages and manipulates the

  * applet as it is being loaded. It forks a seperate thread in a new

  * thread group to call the applet's init(), start(), stop(), and

  * destroy() methods.

  *

  * @author      Arthur van Hoff

  */

 class AppletViewerPanel extends AppletPanel {

     /* Are we debugging? */

     static boolean debug = false;

     /**

      * The document url.

      */

     URL documentURL;

     /**

      * The base url.

      */

     URL baseURL;

     /**

      * The attributes of the applet.

      */

     Hashtable atts;

     /*

      * JDK 1.1 serialVersionUID

      */

     private static final long serialVersionUID = 8890989370785545619L;

     /**

      * Construct an applet viewer and start the applet.

      */

     AppletViewerPanel(URL documentURL, Hashtable atts) {

         this.documentURL = documentURL;

         this.atts = atts;

         String att = getParameter("codebase");

         if (att != null) {

             if (!att.endsWith("/")) {

                 att += "/";

             }

             try {

                 baseURL = new URL(documentURL, att);

             } catch (MalformedURLException e) {

             }

         }

         if (baseURL == null) {

             String file = documentURL.getFile();

             int i = file.lastIndexOf('/');

             if (i >= 0 && i < file.length() - 1) {

                 try {

                     baseURL = new URL(documentURL, file.substring(0, i + 1));

                 } catch (MalformedURLException e) {

                 }

             }

         }

         // when all is said & done, baseURL shouldn't be null

         if (baseURL == null)

                 baseURL = documentURL;

     }

     /**

      * Get an applet parameter.

      */

     public String getParameter(String name) {

         return (String)atts.get(name.toLowerCase());

     }

     /**

      * Get the document url.

      */

     public URL getDocumentBase() {

         return documentURL;

     }

     /**

      * Get the base url.

      */

     public URL getCodeBase() {

         return baseURL;

     }

     /**

      * Get the width.

      */

     public int getWidth() {

         String w = getParameter("width");

         if (w != null) {

             return Integer.valueOf(w).intValue();

         }

         return 0;

     }

     /**

      * Get the height.

      */

     public int getHeight() {

         String h = getParameter("height");

         if (h != null) {

             return Integer.valueOf(h).intValue();

         }

         return 0;

     }

     /**

      * Get initial_focus

      */

     public boolean hasInitialFocus()

     {

         // 6234219: Do not set initial focus on an applet

         // during startup if applet is targeted for

         // JDK 1.1/1.2. [stanley.ho]

         if (isJDK11Applet() || isJDK12Applet())

             return false;

         String initialFocus = getParameter("initial_focus");

         if (initialFocus != null)

         {

             if (initialFocus.toLowerCase().equals("false"))

                 return false;

         }

         return true;

     }

     /**

      * Get the code parameter

      */

     public String getCode() {

         return getParameter("code");

     }

     /**

      * Return the list of jar files if specified.

      * Otherwise return null.

      */

     public String getJarFiles() {

         return getParameter("archive");

     }

     /**

      * Return the value of the object param

      */

     public String getSerializedObject() {

         return getParameter("object");// another name?

     }

     /**

      * Get the applet context. For now this is

      * also implemented by the AppletPanel class.

      */

     public AppletContext getAppletContext() {

         return (AppletContext)getParent();

     }

     static void debug(String s) {

         if(debug)

             System.err.println("AppletViewerPanel:::" + s);

     }

     static void debug(String s, Throwable t) {

         if(debug) {

             t.printStackTrace();

             debug(s);

         }

     }

 }