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: 112   Methods: 6
NCLOC: 59   Classes: 1
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 Source file Conditionals Statements Methods TOTAL
AbstractToken.java 100% 94.4% 100% 96.7%
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.script;
 16   
 
 17   
 import java.util.ArrayList;
 18   
 import java.util.Iterator;
 19   
 import java.util.List;
 20   
 
 21   
 import org.apache.hivemind.ApplicationRuntimeException;
 22   
 import org.apache.hivemind.Location;
 23   
 import org.apache.tapestry.services.ExpressionEvaluator;
 24   
 
 25   
 /**
 26   
  * Base class for creating tokens which may contain other tokens.
 27   
  * 
 28   
  * @author Howard Lewis Ship
 29   
  * @since 0.2.9
 30   
  */
 31   
 
 32   
 abstract class AbstractToken implements IScriptToken
 33   
 {
 34   
     private List _tokens;
 35   
 
 36   
     private Location _location;
 37   
 
 38  166
     protected AbstractToken(Location location)
 39   
     {
 40  166
         _location = location;
 41   
     }
 42   
 
 43  6
     public Location getLocation()
 44   
     {
 45  6
         return _location;
 46   
     }
 47   
 
 48  146
     public void addToken(IScriptToken token)
 49   
     {
 50  146
         if (_tokens == null)
 51  50
             _tokens = new ArrayList();
 52   
 
 53  146
         _tokens.add(token);
 54   
     }
 55   
 
 56   
     /**
 57   
      * Invokes {@link IScriptToken#write(StringBuffer,ScriptSession)}on each child token (if there
 58   
      * are any).
 59   
      */
 60   
 
 61  59
     protected void writeChildren(StringBuffer buffer, ScriptSession session)
 62   
     {
 63  59
         if (_tokens == null)
 64  1
             return;
 65   
 
 66  58
         Iterator i = _tokens.iterator();
 67   
 
 68  58
         while (i.hasNext())
 69   
         {
 70  201
             IScriptToken token = (IScriptToken) i.next();
 71   
 
 72  201
             token.write(buffer, session);
 73   
         }
 74   
     }
 75   
 
 76   
     /**
 77   
      * Evaluates the expression against the session's symbols, using
 78   
      * {@link ExpressionEvaluator#read(Object, String)}and returns the result.
 79   
      */
 80  34
     protected Object evaluate(String expression, ScriptSession session)
 81   
     {
 82   
 
 83  34
         try
 84   
         {
 85  34
             return session.evaluate(expression);
 86   
         }
 87   
         catch (Exception ex)
 88   
         {
 89  0
             throw new ApplicationRuntimeException(ex.getMessage(), _location, ex);
 90   
         }
 91   
     }
 92   
 
 93   
     /**
 94   
      * Evaluates an expression and coerces the result to a boolean.
 95   
      * 
 96   
      * @since 4.0
 97   
      */
 98   
 
 99  16
     protected boolean evaluateBoolean(String expression, ScriptSession session)
 100   
     {
 101  16
         try
 102   
         {
 103  16
             Boolean b = (Boolean) session.evaluate(expression, Boolean.class);
 104   
 
 105  15
             return b.booleanValue();
 106   
         }
 107   
         catch (Exception ex)
 108   
         {
 109  1
             throw new ApplicationRuntimeException(ex.getMessage(), _location, ex);
 110   
         }
 111   
     }
 112   
 }