spring-batch BeanValidatingItemProcessor 源码
spring-batch BeanValidatingItemProcessor 代码
文件路径：/spring-batch-infrastructure/src/main/java/org/springframework/batch/item/validator/BeanValidatingItemProcessor.java
/*
* Copyright 2018-2021 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.batch.item.validator;
import jakarta.validation.Validator;
import org.springframework.util.Assert;
import org.springframework.validation.beanvalidation.LocalValidatorFactoryBean;
import org.springframework.validation.beanvalidation.SpringValidatorAdapter;
/**
* A {@link ValidatingItemProcessor} that uses the Bean Validation API (JSR-303) to
* validate items.
*
* @param <T> type of items to validate
* @author Mahmoud Ben Hassine
* @since 4.1
*/
public class BeanValidatingItemProcessor<T> extends ValidatingItemProcessor<T> {
private Validator validator;
/**
* Create a new instance of {@link BeanValidatingItemProcessor} with the default
* configuration.
*/
public BeanValidatingItemProcessor() {
LocalValidatorFactoryBean localValidatorFactoryBean = new LocalValidatorFactoryBean();
localValidatorFactoryBean.afterPropertiesSet();
this.validator = localValidatorFactoryBean.getValidator();
}
/**
* Create a new instance of {@link BeanValidatingItemProcessor}.
* @param localValidatorFactoryBean used to configure the Bean Validation validator
*/
public BeanValidatingItemProcessor(LocalValidatorFactoryBean localValidatorFactoryBean) {
Assert.notNull(localValidatorFactoryBean, "localValidatorFactoryBean must not be null");
this.validator = localValidatorFactoryBean.getValidator();
}
@Override
public void afterPropertiesSet() throws Exception {
SpringValidatorAdapter springValidatorAdapter = new SpringValidatorAdapter(this.validator);
SpringValidator<T> springValidator = new SpringValidator<>();
springValidator.setValidator(springValidatorAdapter);
springValidator.afterPropertiesSet();
setValidator(springValidator);
super.afterPropertiesSet();
}
}
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spring-batch SpringValidator 源码
spring-batch ValidatingItemProcessor 源码
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