Coverage Report - org.apache.tapestry.script.InputSymbolToken
 
Classes in this File Line Coverage Branch Coverage Complexity
InputSymbolToken
0%
0/11
0%
0/10
4.5
 
 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 org.apache.hivemind.ApplicationRuntimeException;
 18  
 import org.apache.hivemind.Location;
 19  
 import org.apache.tapestry.Tapestry;
 20  
 
 21  
 /**
 22  
  *  A token that validates that an input symbol exists or is of a
 23  
  *  declared type.
 24  
  *
 25  
  *
 26  
  *  @author Howard Lewis Ship
 27  
  *  @since 2.2
 28  
  * 
 29  
  **/
 30  
 
 31  
 class InputSymbolToken extends AbstractToken
 32  
 {
 33  
     private String _key;
 34  
     private Class _class;
 35  
     private boolean _required;
 36  
 
 37  
     InputSymbolToken(String key, Class clazz, boolean required, Location location)
 38  
     {
 39  0
         super(location);
 40  
 
 41  0
         _key = key;
 42  0
         _class = clazz;
 43  0
         _required = required;
 44  0
     }
 45  
 
 46  
     public void write(StringBuffer buffer, ScriptSession session)
 47  
     {
 48  0
         Object value = session.getSymbols().get(_key);
 49  
 
 50  0
         if (_required && value == null)
 51  0
             throw new ApplicationRuntimeException(
 52  
                 Tapestry.format("InputSymbolToken.required", _key),
 53  
                 getLocation(),
 54  
                 null);
 55  
 
 56  0
         if (value != null && _class != null && !_class.isAssignableFrom(value.getClass()))
 57  0
             throw new ApplicationRuntimeException(
 58  
                 Tapestry.format(
 59  
                     "InputSymbolToken.wrong-type",
 60  
                     _key,
 61  
                     value.getClass().getName(),
 62  
                     _class.getName()),
 63  
                 getLocation(),
 64  
                 null);
 65  0
     }
 66  
 
 67  
 }