001/*
002 * Copyright 2012-2017 the original author or authors.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *      http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package org.springframework.boot.autoconfigure.dao;
018
019import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
020import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
021import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
022import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
023import org.springframework.boot.bind.RelaxedPropertyResolver;
024import org.springframework.context.annotation.Bean;
025import org.springframework.core.env.Environment;
026import org.springframework.dao.annotation.PersistenceExceptionTranslationPostProcessor;
027
028/**
029 * {@link EnableAutoConfiguration Auto-configuration} for Spring's persistence exception
030 * translation.
031 *
032 * @author Andy Wilkinson
033 * @author Stephane Nicoll
034 * @since 1.2.0
035 */
036@ConditionalOnClass(PersistenceExceptionTranslationPostProcessor.class)
037public class PersistenceExceptionTranslationAutoConfiguration {
038
039        @Bean
040        @ConditionalOnMissingBean(PersistenceExceptionTranslationPostProcessor.class)
041        @ConditionalOnProperty(prefix = "spring.dao.exceptiontranslation", name = "enabled", matchIfMissing = true)
042        public static PersistenceExceptionTranslationPostProcessor persistenceExceptionTranslationPostProcessor(
043                        Environment environment) {
044                PersistenceExceptionTranslationPostProcessor postProcessor = new PersistenceExceptionTranslationPostProcessor();
045                postProcessor.setProxyTargetClass(determineProxyTargetClass(environment));
046                return postProcessor;
047        }
048
049        private static boolean determineProxyTargetClass(Environment environment) {
050                RelaxedPropertyResolver resolver = new RelaxedPropertyResolver(environment,
051                                "spring.aop.");
052                Boolean value = resolver.getProperty("proxyTargetClass", Boolean.class);
053                return (value != null ? value : true);
054        }
055
056}