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: 79   Methods: 2
NCLOC: 33   Classes: 1
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 Source file Conditionals Statements Methods TOTAL
ForeachToken.java 100% 100% 100% 100%
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   
 //
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 // 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.script;
 16   
 
 17   
 import java.util.Iterator;
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 import java.util.Map;
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 20   
 import org.apache.hivemind.Location;
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 22   
 /**
 23   
  * A looping operator, modeled after the Foreach component. It takes as its source as property and
 24   
  * iterates through the values, updating a symbol on each pass.
 25   
  * <p>
 26   
  * As of 3.0, the index attribute has been added to foreach to keep track of the current index of
 27   
  * the iterating collection.
 28   
  * </p>
 29   
  * 
 30   
  * @author Howard Lewis Ship, Harish Krishnaswamy
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  * @since 1.0.1
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  */
 33   
 
 34   
 class ForeachToken extends AbstractToken
 35   
 {
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     private String _key;
 37   
 
 38   
     private String _index;
 39   
 
 40   
     private String _expression;
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 42  3
     ForeachToken(String key, String index, String expression, Location location)
 43   
     {
 44  3
         super(location);
 45   
 
 46  3
         _key = key;
 47  3
         _index = index;
 48  3
         _expression = expression;
 49   
     }
 50   
 
 51  3
     public void write(StringBuffer buffer, ScriptSession session)
 52   
     {
 53  3
         Iterator i = (Iterator) session.evaluate(_expression, Iterator.class);
 54   
 
 55  3
         if (i == null)
 56  1
             return;
 57   
 
 58  2
         Map symbols = session.getSymbols();
 59   
 
 60  2
         int index = 0;
 61   
 
 62  2
         while (i.hasNext())
 63   
         {
 64  4
             Object newValue = i.next();
 65   
 
 66  4
             symbols.put(_key, newValue);
 67   
 
 68  4
             if (_index != null)
 69  2
                 symbols.put(_index, String.valueOf(index));
 70   
 
 71  4
             writeChildren(buffer, session);
 72   
 
 73  4
             index++;
 74   
         }
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 76   
         // We leave the last value as a symbol; don't know if that's
 77   
         // good or bad.
 78   
     }
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 }