001    // Copyright 2005 The Apache Software Foundation
002    //
003    // Licensed under the Apache License, Version 2.0 (the "License");
004    // you may not use this file except in compliance with the License.
005    // You may obtain a copy of the License at
006    //
007    //     http://www.apache.org/licenses/LICENSE-2.0
008    //
009    // Unless required by applicable law or agreed to in writing, software
010    // distributed under the License is distributed on an "AS IS" BASIS,
011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012    // See the License for the specific language governing permissions and
013    // limitations under the License.
014    
015    package org.apache.tapestry.annotations;
016    
017    import java.lang.reflect.Method;
018    
019    import org.apache.hivemind.Location;
020    import org.apache.tapestry.enhance.EnhancementOperation;
021    import org.apache.tapestry.spec.IComponentSpecification;
022    import org.apache.tapestry.spec.InjectSpecification;
023    import org.apache.tapestry.spec.InjectSpecificationImpl;
024    
025    public class InjectStateFlagAnnotationWorker implements MethodAnnotationEnhancementWorker
026    {
027    
028        public void performEnhancement(EnhancementOperation op, IComponentSpecification spec,
029                Method method, Location location)
030        {
031            InjectStateFlag isv = method.getAnnotation(InjectStateFlag.class);
032    
033            String propertyName = AnnotationUtils.getPropertyName(method);
034    
035            InjectSpecification inject = new InjectSpecificationImpl();
036    
037            inject.setType("state-flag");
038            inject.setProperty(propertyName);
039            inject.setObject(isv.value());
040            inject.setLocation(location);
041    
042            spec.addInjectSpecification(inject);
043        }
044    
045    }