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 /** 026 * Injects an Application State Object. 027 * 028 * @author Howard M. Lewis Ship 029 * @since 4.0 030 * @see org.apache.tapestry.annotations.InjectState 031 * @see org.apache.tapestry.enhance.InjectStateWorker 032 */ 033 public class InjectStateAnnotationWorker implements MethodAnnotationEnhancementWorker 034 { 035 public void performEnhancement(EnhancementOperation op, IComponentSpecification spec, 036 Method method, Location location) 037 { 038 InjectState is = method.getAnnotation(InjectState.class); 039 040 String propertyName = AnnotationUtils.getPropertyName(method); 041 042 InjectSpecification inject = new InjectSpecificationImpl(); 043 044 inject.setType("state"); 045 inject.setProperty(propertyName); 046 inject.setObject(is.value()); 047 inject.setLocation(location); 048 049 spec.addInjectSpecification(inject); 050 } 051 }