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: 109   Methods: 1
NCLOC: 54   Classes: 1
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 Source file Conditionals Statements Methods TOTAL
FieldLabel.java 57.1% 66.7% 100% 64.1%
coverage coverage
 1   
 // Copyright 2004, 2005 The Apache Software Foundation
 2   
 //
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 // Licensed under the Apache License, Version 2.0 (the "License");
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 // you may not use this file except in compliance with the License.
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 // 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.
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 15   
 package org.apache.tapestry.valid;
 16   
 
 17   
 import org.apache.hivemind.ApplicationRuntimeException;
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 import org.apache.tapestry.AbstractComponent;
 19   
 import org.apache.tapestry.BindingException;
 20   
 import org.apache.tapestry.IForm;
 21   
 import org.apache.tapestry.IMarkupWriter;
 22   
 import org.apache.tapestry.IRequestCycle;
 23   
 import org.apache.tapestry.Tapestry;
 24   
 import org.apache.tapestry.form.Form;
 25   
 import org.apache.tapestry.form.IFormComponent;
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 27   
 /**
 28   
  *  Used to label an {@link IFormComponent}.  Because such fields
 29   
  *  know their displayName (user-presentable name), there's no reason
 30   
  *  to hard code the label in a page's HTML template (this also helps
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  *  with localization).
 32   
  *
 33   
  *  [<a href="../../../../../ComponentReference/FieldLabel.html">Component Reference</a>]
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 35   
  *
 36   
  *  @author Howard Lewis Lewis Ship
 37   
  * 
 38   
  **/
 39   
 
 40   
 public abstract class FieldLabel extends AbstractComponent
 41   
 {
 42   
     /**
 43   
     *  Gets the {@link IFormComponent}
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     *  and {@link IValidationDelegate delegate},
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     *  then renders the label obtained from the field.  Does nothing
 46   
     *  when rewinding.
 47   
     *
 48   
     **/
 49   
 
 50  17
     protected void renderComponent(IMarkupWriter writer, IRequestCycle cycle)
 51   
     {
 52  17
         if (cycle.isRewinding())
 53  10
             return;
 54   
 
 55  7
         IFormComponent field = getField();
 56  7
         String displayName = getDisplayName();
 57   
 
 58  7
         if (displayName == null)
 59   
         {
 60  7
             if (field == null)
 61  0
                 throw Tapestry.createRequiredParameterException(this, "field");
 62   
 
 63  7
             displayName = field.getDisplayName();
 64   
 
 65  7
             if (displayName == null)
 66   
             {
 67  0
                 String msg = Tapestry.format("FieldLabel.no-display-name", field.getExtendedId());
 68   
 
 69  0
                 throw new BindingException(msg, this, null, getBinding("field"), null);
 70   
             }
 71   
         }
 72   
 
 73  7
         IForm form = Form.get(cycle);
 74   
 
 75  7
         if (form == null)
 76   
         {
 77  0
             String msg = Tapestry.getMessage("FieldLabel.must-be-contained-by-form");
 78   
 
 79  0
             throw new ApplicationRuntimeException(msg, this, null, null);
 80   
         }
 81   
 
 82  7
         IValidationDelegate delegate = form.getDelegate();
 83   
 
 84  7
         if (delegate == null)
 85   
         {
 86  0
             String msg =
 87   
                 Tapestry.format("FieldLabel.no-delegate", getExtendedId(), form.getExtendedId());
 88   
 
 89  0
             throw new ApplicationRuntimeException(msg, this, null, null);
 90   
         }
 91   
 
 92  7
         delegate.writeLabelPrefix(field, writer, cycle);
 93   
 
 94  7
         if (getRaw()) {
 95  0
             writer.printRaw(displayName);
 96   
         } else {
 97  7
             writer.print(displayName);
 98   
         }
 99   
 
 100  7
         delegate.writeLabelSuffix(field, writer, cycle);
 101   
     }
 102   
 
 103   
     public abstract String getDisplayName();
 104   
 
 105   
     public abstract IFormComponent getField();
 106   
 
 107   
     public abstract boolean getRaw();
 108   
 }
 109