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: 74   Methods: 2
NCLOC: 38   Classes: 1
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 Source file Conditionals Statements Methods TOTAL
InjectObjectWorker.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.
 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.enhance;
 16   
 
 17   
 import java.lang.reflect.Modifier;
 18   
 
 19   
 import org.apache.hivemind.ApplicationRuntimeException;
 20   
 import org.apache.hivemind.service.MethodSignature;
 21   
 import org.apache.tapestry.services.InjectedValueProvider;
 22   
 import org.apache.tapestry.spec.InjectSpecification;
 23   
 
 24   
 /**
 25   
  * Implementation for injection type "object" (the default). Adds read-only properties to the
 26   
  * enhanced class that contain objects injected from HiveMind.
 27   
  * 
 28   
  * @author Howard M. Lewis Ship
 29   
  * @since 4.0
 30   
  */
 31   
 public class InjectObjectWorker implements InjectEnhancementWorker
 32   
 {
 33   
     private InjectedValueProvider _provider;
 34   
 
 35  383
     public void performEnhancement(EnhancementOperation op, InjectSpecification is)
 36   
     {
 37  383
         String name = is.getProperty();
 38  383
         String objectReference = is.getObject();
 39   
 
 40  383
         Class propertyType = op.getPropertyType(name);
 41  383
         if (propertyType == null)
 42  62
             propertyType = Object.class;
 43   
 
 44  383
         String fieldName = "_$" + name;
 45   
 
 46  383
         op.claimProperty(name);
 47   
 
 48  383
         Object injectedValue = _provider.obtainValue(objectReference, is.getLocation());
 49   
 
 50  383
         if (injectedValue == null)
 51  1
             throw new ApplicationRuntimeException(EnhanceMessages
 52   
                     .locatedValueIsNull(objectReference), is.getLocation(), null);
 53   
 
 54  382
         if (!propertyType.isAssignableFrom(injectedValue.getClass()))
 55  1
             throw new ApplicationRuntimeException(EnhanceMessages.incompatibleInjectType(
 56   
                     objectReference,
 57   
                     injectedValue,
 58   
                     propertyType), is.getLocation(), null);
 59   
 
 60  381
         op.addInjectedField(fieldName, injectedValue);
 61   
 
 62  381
         String methodName = EnhanceUtils.createAccessorMethodName(name);
 63   
 
 64  381
         op.addMethod(
 65   
                 Modifier.PUBLIC,
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                 new MethodSignature(propertyType, methodName, null, null),
 67   
                 "return " + fieldName + ";");
 68   
     }
 69   
 
 70  47
     public void setProvider(InjectedValueProvider provider)
 71   
     {
 72  47
         _provider = provider;
 73   
     }
 74   
 }