Clover coverage report - Code Coverage for tapestry release 4.0-alpha-3
Coverage timestamp: Mon May 16 2005 09:05:49 EDT
file stats: LOC: 143   Methods: 2
NCLOC: 68   Classes: 1
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 Source file Conditionals Statements Methods TOTAL
Hidden.java 87.5% 84.6% 50% 83.3%
coverage coverage
 1   
 // Copyright 2004, 2005 The Apache Software Foundation
 2   
 //
 3   
 // Licensed under the Apache License, Version 2.0 (the "License");
 4   
 // you may not use this file except in compliance with the License.
 5   
 // You may obtain a copy of the License at
 6   
 //
 7   
 //     http://www.apache.org/licenses/LICENSE-2.0
 8   
 //
 9   
 // Unless required by applicable law or agreed to in writing, software
 10   
 // distributed under the License is distributed on an "AS IS" BASIS,
 11   
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 12   
 // See the License for the specific language governing permissions and
 13   
 // limitations under the License.
 14   
 
 15   
 package org.apache.tapestry.form;
 16   
 
 17   
 import java.io.IOException;
 18   
 
 19   
 import org.apache.hivemind.ApplicationRuntimeException;
 20   
 import org.apache.tapestry.IActionListener;
 21   
 import org.apache.tapestry.IForm;
 22   
 import org.apache.tapestry.IMarkupWriter;
 23   
 import org.apache.tapestry.IRequestCycle;
 24   
 import org.apache.tapestry.listener.ListenerInvoker;
 25   
 import org.apache.tapestry.services.DataSqueezer;
 26   
 
 27   
 /**
 28   
  * Implements a hidden field within a {@link Form}. [ <a
 29   
  * href="../../../../../ComponentReference/Hidden.html">Component Reference </a>]
 30   
  * 
 31   
  * @author Howard Lewis Ship
 32   
  */
 33   
 
 34   
 public abstract class Hidden extends AbstractFormComponent
 35   
 {
 36   
 
 37  8
     protected void renderComponent(IMarkupWriter writer, IRequestCycle cycle)
 38   
     {
 39  8
         IForm form = getForm(cycle);
 40  8
         boolean formRewound = form.isRewinding();
 41   
 
 42  8
         String name = form.getElementId(this);
 43   
 
 44   
         // If the form containing the Hidden isn't rewound, then render.
 45   
 
 46  8
         if (!formRewound)
 47   
         {
 48   
             // Optimiziation: if the page is rewinding (some other action or
 49   
             // form was submitted), then don't bother rendering.
 50   
 
 51  4
             if (cycle.isRewinding())
 52  0
                 return;
 53   
 
 54  4
             String externalValue = null;
 55   
 
 56  4
             if (getEncode())
 57   
             {
 58  2
                 Object value = getValue();
 59   
 
 60  2
                 try
 61   
                 {
 62  2
                     externalValue = getDataSqueezer().squeeze(value);
 63   
                 }
 64   
                 catch (IOException ex)
 65   
                 {
 66  0
                     throw new ApplicationRuntimeException(ex.getMessage(), this, null, ex);
 67   
                 }
 68   
             }
 69   
             else
 70  2
                 externalValue = (String) getBinding("value").getObject(String.class);
 71   
 
 72  4
             String id = getElementId();
 73   
 
 74  4
             form.addHiddenValue(name, id, externalValue);
 75   
 
 76  4
             return;
 77   
         }
 78   
 
 79  4
         String externalValue = cycle.getParameter(name);
 80  4
         Object value = null;
 81   
 
 82  4
         if (getEncode())
 83   
         {
 84  2
             try
 85   
             {
 86  2
                 value = getDataSqueezer().unsqueeze(externalValue);
 87   
             }
 88   
             catch (IOException ex)
 89   
             {
 90  0
                 throw new ApplicationRuntimeException(ex.getMessage(), this, null, ex);
 91   
             }
 92   
         }
 93   
         else
 94  2
             value = externalValue;
 95   
 
 96   
         // A listener is not always necessary ... it's easy to code
 97   
         // the synchronization as a side-effect of the accessor method.
 98   
 
 99  4
         setValue(value);
 100   
 
 101  4
         getListenerInvoker().invokeListener(getListener(), this, cycle);
 102   
     }
 103   
 
 104   
     public abstract String getElementId();
 105   
 
 106   
     /** @since 2.2 * */
 107   
 
 108   
     public abstract DataSqueezer getDataSqueezer();
 109   
 
 110   
     public abstract Object getValue();
 111   
 
 112   
     public abstract void setValue(Object value);
 113   
 
 114   
     public abstract IActionListener getListener();
 115   
 
 116   
     /**
 117   
      * Injected.
 118   
      * 
 119   
      * @since 4.0
 120   
      */
 121   
 
 122   
     public abstract ListenerInvoker getListenerInvoker();
 123   
 
 124   
     /**
 125   
      * Returns false. Hidden components are never disabled.
 126   
      * 
 127   
      * @since 2.2
 128   
      */
 129   
 
 130  0
     public boolean isDisabled()
 131   
     {
 132  0
         return false;
 133   
     }
 134   
 
 135   
     /**
 136   
      * Returns true if the compent encodes object values using a
 137   
      * {@link org.apache.tapestry.util.io.DataSqueezerImpl}, false if values are always Strings.
 138   
      * 
 139   
      * @since 2.2
 140   
      */
 141   
 
 142   
     public abstract boolean getEncode();
 143   
 }