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.validation; 018 019import javax.validation.Validator; 020import javax.validation.executable.ExecutableValidator; 021 022import org.springframework.beans.factory.config.BeanDefinition; 023import org.springframework.boot.autoconfigure.EnableAutoConfiguration; 024import org.springframework.boot.autoconfigure.condition.ConditionalOnClass; 025import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean; 026import org.springframework.boot.autoconfigure.condition.ConditionalOnResource; 027import org.springframework.boot.validation.MessageInterpolatorFactory; 028import org.springframework.context.annotation.Bean; 029import org.springframework.context.annotation.Configuration; 030import org.springframework.context.annotation.Import; 031import org.springframework.context.annotation.Lazy; 032import org.springframework.context.annotation.Role; 033import org.springframework.core.env.Environment; 034import org.springframework.validation.beanvalidation.LocalValidatorFactoryBean; 035import org.springframework.validation.beanvalidation.MethodValidationPostProcessor; 036 037/** 038 * {@link EnableAutoConfiguration Auto-configuration} to configure the validation 039 * infrastructure. 040 * 041 * @author Stephane Nicoll 042 * @author Madhura Bhave 043 * @since 1.5.0 044 */ 045@Configuration 046@ConditionalOnClass(ExecutableValidator.class) 047@ConditionalOnResource(resources = "classpath:META-INF/services/javax.validation.spi.ValidationProvider") 048@Import(PrimaryDefaultValidatorPostProcessor.class) 049public class ValidationAutoConfiguration { 050 051 @Bean 052 @Role(BeanDefinition.ROLE_INFRASTRUCTURE) 053 @ConditionalOnMissingBean(Validator.class) 054 public static LocalValidatorFactoryBean defaultValidator() { 055 LocalValidatorFactoryBean factoryBean = new LocalValidatorFactoryBean(); 056 MessageInterpolatorFactory interpolatorFactory = new MessageInterpolatorFactory(); 057 factoryBean.setMessageInterpolator(interpolatorFactory.getObject()); 058 return factoryBean; 059 } 060 061 @Bean 062 @ConditionalOnMissingBean 063 public static MethodValidationPostProcessor methodValidationPostProcessor( 064 Environment environment, @Lazy Validator validator) { 065 MethodValidationPostProcessor processor = new MethodValidationPostProcessor(); 066 boolean proxyTargetClass = environment 067 .getProperty("spring.aop.proxy-target-class", Boolean.class, true); 068 processor.setProxyTargetClass(proxyTargetClass); 069 processor.setValidator(validator); 070 return processor; 071 } 072 073}