Source for gnu.java.beans.DummyAppletStub

   1: /* gnu.java.beans.DummyAppletStub
   2:    Copyright (C) 2004, 2005 Free Software Foundation, Inc.
   3: 
   4: This file is part of GNU Classpath.
   5: 
   6: GNU Classpath is free software; you can redistribute it and/or modify
   7: it under the terms of the GNU General Public License as published by
   8: the Free Software Foundation; either version 2, or (at your option)
   9: any later version.
  10: 
  11: GNU Classpath is distributed in the hope that it will be useful, but
  12: WITHOUT ANY WARRANTY; without even the implied warranty of
  13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14: General Public License for more details.
  15: 
  16: You should have received a copy of the GNU General Public License
  17: along with GNU Classpath; see the file COPYING.  If not, write to the
  18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19: 02110-1301 USA.
  20: 
  21: Linking this library statically or dynamically with other modules is
  22: making a combined work based on this library.  Thus, the terms and
  23: conditions of the GNU General Public License cover the whole
  24: combination.
  25: 
  26: As a special exception, the copyright holders of this library give you
  27: permission to link this library with independent modules to produce an
  28: executable, regardless of the license terms of these independent
  29: modules, and to copy and distribute the resulting executable under
  30: terms of your choice, provided that you also meet, for each linked
  31: independent module, the terms and conditions of the license of that
  32: module.  An independent module is a module which is not derived from
  33: or based on this library.  If you modify this library, you may extend
  34: this exception to your version of the library, but you are not
  35: obligated to do so.  If you do not wish to do so, delete this
  36: exception statement from your version. */
  37: 
  38: 
  39: package gnu.java.beans;
  40: 
  41: import java.applet.AppletContext;
  42: import java.applet.AppletStub;
  43: import java.net.URL;
  44: 
  45: /** Placeholder implementation of <code>AppletStub</code> providing no functionality.
  46:  * <p>This class is used for <code>Applet</code> being created with
  47:  * {@link java.beans.Bean.instantiate}.</p>
  48:  *
  49:  * @author Robert Schuster
  50:  */
  51: public class DummyAppletStub implements AppletStub
  52: {
  53:   private URL documentBase;
  54:   private URL codeBase;
  55:   private DummyAppletContext context;
  56: 
  57:   public DummyAppletStub(URL newCodeBase, URL newDocumentBase)
  58:   {
  59:     codeBase = newCodeBase;
  60:     documentBase = newDocumentBase;
  61: 
  62:     context = new DummyAppletContext();
  63:   }
  64: 
  65:   /** Returns always <code>true</code>.
  66:    *
  67:    * @see java.applet.AppletStub#isActive()
  68:    */
  69:   public boolean isActive()
  70:   {
  71:     return true;
  72:   }
  73: 
  74:   /**
  75:    * @see java.applet.AppletStub#getDocumentBase()
  76:    */
  77:   public URL getDocumentBase()
  78:   {
  79:     return documentBase;
  80:   }
  81: 
  82:   /**
  83:    * @see java.applet.AppletStub#getCodeBase()
  84:    */
  85:   public URL getCodeBase()
  86:   {
  87:     return codeBase;
  88:   }
  89: 
  90:   /** Implementation returns <code>null</code> for every parameter name.
  91:    *
  92:    * @see java.applet.AppletStub#getParameter(java.lang.String)
  93:    */
  94:   public String getParameter(String name)
  95:   {
  96:     return null;
  97:   }
  98: 
  99:   /** Returns a non-functional context instance.
 100:    *
 101:    * @see java.applet.AppletStub#getAppletContext()
 102:    */
 103:   public AppletContext getAppletContext()
 104:   {
 105:     return context;
 106:   }
 107: 
 108:   /** Does nothing.
 109:    *
 110:    * @see java.applet.AppletStub#appletResize(int, int)
 111:    */
 112:   public void appletResize(int width, int height)
 113:   {
 114:   }
 115: }