Coverage report

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org.apache.commons.jelly.tags.swing.KeyListenerTag$1
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 1   
 /*
 2   
 * Copyright 2002-2004 The Apache Software Foundation
 3   
 *
 4   
 * Licensed under the Apache License, Version 2.0 (the "License");
 5   
 * you may not use this file except in compliance with the License.
 6   
 * You may obtain a copy of the License at
 7   
 *
 8   
 *     http://www.apache.org/licenses/LICENSE-2.0
 9   
 *
 10   
 * Unless required by applicable law or agreed to in writing, software
 11   
 * distributed under the License is distributed on an "AS IS" BASIS,
 12   
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 13   
 * See the License for the specific language governing permissions and
 14   
 * limitations under the License.
 15   
 */
 16   
 package org.apache.commons.jelly.tags.swing;
 17   
 
 18   
 import java.awt.event.KeyEvent;
 19   
 import java.awt.event.KeyListener;
 20   
 
 21   
 import org.apache.commons.jelly.JellyTagException;
 22   
 import org.apache.commons.jelly.Script;
 23   
 import org.apache.commons.jelly.TagSupport;
 24   
 import org.apache.commons.jelly.XMLOutput;
 25   
 import org.apache.commons.logging.Log;
 26   
 import org.apache.commons.logging.LogFactory;
 27   
 
 28   
 public class KeyListenerTag extends TagSupport
 29   
 {
 30   
   protected static final Log log = LogFactory.getLog(KeyListenerTag.class);
 31   
 
 32   
   protected String var;
 33   
   protected Script pressed;
 34   
   protected Script typed;
 35   
   protected Script released;
 36   
 
 37   
   public KeyListenerTag()
 38   
   {
 39   
     super();
 40   
   }
 41   
 
 42   
   public void setVar(String var)
 43   
   {
 44   
     this.var = class="keyword">var;
 45   
   }
 46   
 
 47   
   public void setPressed(Script pressed)
 48   
   {
 49   
     this.pressed = pressed;
 50   
   }
 51   
 
 52   
   public void setReleased(Script released)
 53   
   {
 54   
     this.released = released;
 55   
   }
 56   
 
 57   
   public void setTyped(Script typed)
 58   
   {
 59   
     this.typed = typed;
 60   
   }
 61   
 
 62   
   public void doTag(final XMLOutput output) throws JellyTagException
 63   
   {
 64   
     // now lets add this action to its parent if we have one
 65   
     ComponentTag tag = (ComponentTag)findAncestorWithClass(ComponentTag.class);
 66   
     if (tag != null)
 67   
     {
 68   
       KeyListener listener = new KeyListener()
 69   
       {
 70   
         public void keyTyped(KeyEvent e)
 71   
         {
 72  0 
           invokeScript(output, e, typed);
 73  0 
         }
 74   
 
 75   
         public void keyPressed(KeyEvent e)
 76   
         {
 77  0 
           invokeScript(output, e, pressed);
 78  0 
         }
 79   
 
 80  0 
         public void keyReleased(KeyEvent e)
 81   
         {
 82  0 
           invokeScript(output, e, released);
 83  0 
         }
 84   
       };
 85   
       tag.addKeyListener(listener);
 86   
     }
 87   
   }
 88   
 
 89   
   protected void invokeScript(XMLOutput output, KeyEvent event, Script script)
 90   
   {
 91   
     if (var != null)
 92   
     {
 93   
       // define a variable of the event
 94   
       context.setVariable(var, event);
 95   
     }
 96   
 
 97   
     try
 98   
     {
 99   
       if (script != null)
 100   
       {
 101   
         script.run(context, output);
 102   
       }
 103   
       else
 104   
       {
 105   
         // invoke the body
 106   
         invokeBody(output);
 107   
       }
 108   
     }
 109   
     catch (Exception e)
 110   
     {
 111   
       log.error("Caught exception processing window event: " + event, e);
 112   
     }
 113   
   }
 114   
 
 115   
 }

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