spring CustomValidatorBean 源码
spring CustomValidatorBean 代码
文件路径：/spring-context/src/main/java/org/springframework/validation/beanvalidation/CustomValidatorBean.java
/*
* Copyright 2002-2017 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.validation.beanvalidation;
import jakarta.validation.MessageInterpolator;
import jakarta.validation.TraversableResolver;
import jakarta.validation.Validation;
import jakarta.validation.Validator;
import jakarta.validation.ValidatorContext;
import jakarta.validation.ValidatorFactory;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.lang.Nullable;
/**
* Configurable bean class that exposes a specific JSR-303 Validator
* through its original interface as well as through the Spring
* {@link org.springframework.validation.Validator} interface.
*
* @author Juergen Hoeller
* @since 3.0
*/
public class CustomValidatorBean extends SpringValidatorAdapter implements Validator, InitializingBean {
@Nullable
private ValidatorFactory validatorFactory;
@Nullable
private MessageInterpolator messageInterpolator;
@Nullable
private TraversableResolver traversableResolver;
/**
* Set the ValidatorFactory to obtain the target Validator from.
* <p>Default is {@link jakarta.validation.Validation#buildDefaultValidatorFactory()}.
*/
public void setValidatorFactory(ValidatorFactory validatorFactory) {
this.validatorFactory = validatorFactory;
}
/**
* Specify a custom MessageInterpolator to use for this Validator.
*/
public void setMessageInterpolator(MessageInterpolator messageInterpolator) {
this.messageInterpolator = messageInterpolator;
}
/**
* Specify a custom TraversableResolver to use for this Validator.
*/
public void setTraversableResolver(TraversableResolver traversableResolver) {
this.traversableResolver = traversableResolver;
}
@Override
public void afterPropertiesSet() {
if (this.validatorFactory == null) {
this.validatorFactory = Validation.buildDefaultValidatorFactory();
}
ValidatorContext validatorContext = this.validatorFactory.usingContext();
MessageInterpolator targetInterpolator = this.messageInterpolator;
if (targetInterpolator == null) {
targetInterpolator = this.validatorFactory.getMessageInterpolator();
}
validatorContext.messageInterpolator(new LocaleContextMessageInterpolator(targetInterpolator));
if (this.traversableResolver != null) {
validatorContext.traversableResolver(this.traversableResolver);
}
setTargetValidator(validatorContext.getValidator());
}
}
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