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.engine.state.ApplicationStateManager; 021 import org.apache.tapestry.enhance.EnhancementOperation; 022 import org.apache.tapestry.enhance.InjectStateWorker; 023 import org.apache.tapestry.spec.IComponentSpecification; 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 final InjectStateWorker _delegate; 036 037 InjectStateAnnotationWorker(InjectStateWorker delegate) 038 { 039 _delegate = delegate; 040 } 041 042 public InjectStateAnnotationWorker() 043 { 044 this(new InjectStateWorker()); 045 } 046 047 public void performEnhancement(EnhancementOperation op, IComponentSpecification spec, 048 Method method, Location location) 049 { 050 InjectState is = method.getAnnotation(InjectState.class); 051 052 String propertyName = AnnotationUtils.getPropertyName(method); 053 054 _delegate.injectState(op, is.value(), propertyName, location); 055 } 056 057 public void setApplicationStateManager(ApplicationStateManager applicationStateManager) 058 { 059 _delegate.setApplicationStateManager(applicationStateManager); 060 } 061 }