Clover coverage report - Code Coverage for tapestry release 3.1-alpha-1
Coverage timestamp: Mon Feb 21 2005 09:16:14 EST
file stats: LOC: 137   Methods: 2
NCLOC: 68   Classes: 1
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 Source file Conditionals Statements Methods TOTAL
Hidden.java 90% 85.7% 50% 85%
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.services.DataSqueezer;
 25   
 
 26   
 /**
 27   
  * Implements a hidden field within a {@link Form}. [ <a
 28   
  * href="../../../../../ComponentReference/Hidden.html">Component Reference </a>]
 29   
  * 
 30   
  * @author Howard Lewis Ship
 31   
  */
 32   
 
 33   
 public abstract class Hidden extends AbstractFormComponent
 34   
 {
 35   
 
 36  8
     protected void renderComponent(IMarkupWriter writer, IRequestCycle cycle)
 37   
     {
 38  8
         IForm form = getForm(cycle);
 39  8
         boolean formRewound = form.isRewinding();
 40   
 
 41  8
         String name = form.getElementId(this);
 42   
 
 43   
         // If the form containing the Hidden isn't rewound, then render.
 44   
 
 45  8
         if (!formRewound)
 46   
         {
 47   
             // Optimiziation: if the page is rewinding (some other action or
 48   
             // form was submitted), then don't bother rendering.
 49   
 
 50  4
             if (cycle.isRewinding())
 51  0
                 return;
 52   
 
 53  4
             String externalValue = null;
 54   
 
 55  4
             if (getEncode())
 56   
             {
 57  2
                 Object value = getValue();
 58   
 
 59  2
                 try
 60   
                 {
 61  2
                     externalValue = getDataSqueezer().squeeze(value);
 62   
                 }
 63   
                 catch (IOException ex)
 64   
                 {
 65  0
                     throw new ApplicationRuntimeException(ex.getMessage(), this, null, ex);
 66   
                 }
 67   
             }
 68   
             else
 69  2
                 externalValue = (String) getBinding("value").getObject(String.class);
 70   
 
 71  4
             String id = getElementId();
 72   
 
 73  4
             form.addHiddenValue(name, id, externalValue);
 74   
 
 75  4
             return;
 76   
         }
 77   
 
 78  4
         String externalValue = cycle.getRequestContext().getParameter(name);
 79  4
         Object value = null;
 80   
 
 81  4
         if (getEncode())
 82   
         {
 83  2
             try
 84   
             {
 85  2
                 value = getDataSqueezer().unsqueeze(externalValue);
 86   
             }
 87   
             catch (IOException ex)
 88   
             {
 89  0
                 throw new ApplicationRuntimeException(ex.getMessage(), this, null, ex);
 90   
             }
 91   
         }
 92   
         else
 93  2
             value = externalValue;
 94   
 
 95   
         // A listener is not always necessary ... it's easy to code
 96   
         // the synchronization as a side-effect of the accessor method.
 97   
 
 98  4
         setValue(value);
 99   
 
 100  4
         IActionListener listener = getListener();
 101   
 
 102  4
         if (listener != null)
 103  1
             listener.actionTriggered(this, cycle);
 104   
     }
 105   
 
 106   
     public abstract String getElementId();
 107   
 
 108   
     /** @since 2.2 * */
 109   
 
 110   
     public abstract DataSqueezer getDataSqueezer();
 111   
 
 112   
     public abstract Object getValue();
 113   
 
 114   
     public abstract void setValue(Object value);
 115   
 
 116   
     public abstract IActionListener getListener();
 117   
 
 118   
     /**
 119   
      * Returns false. Hidden components are never disabled.
 120   
      * 
 121   
      * @since 2.2
 122   
      */
 123   
 
 124  0
     public boolean isDisabled()
 125   
     {
 126  0
         return false;
 127   
     }
 128   
 
 129   
     /**
 130   
      * Returns true if the compent encodes object values using a
 131   
      * {@link org.apache.tapestry.util.io.DataSqueezerImpl}, false if values are always Strings.
 132   
      * 
 133   
      * @since 2.2
 134   
      */
 135   
 
 136   
     public abstract boolean getEncode();
 137   
 }