001/** 002 * Licensed under the Apache License, Version 2.0 (the "License"); 003 * you may not use this file except in compliance with the License. 004 * You may obtain a copy of the License at 005 * 006 * http://www.apache.org/licenses/LICENSE-2.0 007 * 008 * Unless required by applicable law or agreed to in writing, software 009 * distributed under the License is distributed on an "AS IS" BASIS, 010 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 011 * See the License for the specific language governing permissions and 012 * limitations under the License. 013 */ 014package org.apache.tapestry5.internal.jpa; 015 016import java.lang.reflect.Method; 017 018import javax.annotation.PreDestroy; 019import javax.enterprise.context.spi.Contextual; 020import javax.enterprise.context.spi.CreationalContext; 021import javax.enterprise.inject.spi.AnnotatedType; 022import javax.enterprise.inject.spi.InjectionTarget; 023 024import org.apache.tapestry5.commons.ObjectLocator; 025import org.apache.tapestry5.ioc.annotations.Inject; 026import org.slf4j.Logger; 027import org.slf4j.LoggerFactory; 028 029public class TapestryCDIBeanManagerForJPAEntityListeners extends NoopBeanManager 030{ 031 private static final Logger logger = LoggerFactory 032 .getLogger(TapestryCDIBeanManagerForJPAEntityListeners.class); 033 034 @Inject 035 private ObjectLocator objectLocator; 036 037 @Override 038 public <T> AnnotatedType<T> createAnnotatedType(final Class<T> type) 039 { 040 return new NoopAnnotatedType<T>() 041 { 042 @Override 043 public Class<T> getJavaClass() 044 { 045 return type; 046 } 047 }; 048 } 049 050 @Override 051 public <T> InjectionTarget<T> createInjectionTarget(final AnnotatedType<T> type) 052 { 053 return new NoopInjectionTarget<T>() 054 { 055 @Override 056 public T produce(CreationalContext<T> ctx) 057 { 058 return objectLocator.autobuild(type.getJavaClass()); 059 } 060 061 @Override 062 public void preDestroy(T instance) 063 { 064 try 065 { 066 for (Method method : type.getJavaClass().getMethods()) 067 { 068 if (method.getAnnotation(PreDestroy.class) != null) 069 { 070 method.invoke(instance); 071 } 072 } 073 } 074 catch (Exception e) 075 { 076 logger.error( 077 "Error invoking @PreDestroy callback on instance of class " 078 + type.getJavaClass(), e); 079 } 080 } 081 }; 082 } 083 084 @Override 085 public <T> CreationalContext<T> createCreationalContext(Contextual<T> contextual) 086 { 087 return new NoopCreationalContext<T>(); 088 } 089}