/**
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* Copyright © 2015-2020 <a href="http://www.jeeplus.org/">JeePlus</a> All rights reserved.
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*/
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package com.jeeplus.common.beanvalidator;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import javax.validation.ConstraintViolation;
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import javax.validation.ConstraintViolationException;
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import javax.validation.Validator;
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import com.google.common.collect.Lists;
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import com.google.common.collect.Maps;
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/**
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* JSR303 Validator(Hibernate Validator)工具类.
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*
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* ConstraintViolation中包含propertyPath, message 和invalidValue等信息.
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* 提供了各种convert方法,适合不同的i18n需求:
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* 1. List<String>, String内容为message
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* 2. List<String>, String内容为propertyPath + separator + message
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* 3. Map<propertyPath, message>
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*
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* 详情见wiki: https://github.com/springside/springside4/wiki/HibernateValidator
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* @author calvin
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* @version 2013-01-15
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*/
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public class BeanValidators {
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/**
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* 调用JSR303的validate方法, 验证失败时抛出ConstraintViolationException.
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*/
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@SuppressWarnings({ "unchecked", "rawtypes" })
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public static void validateWithException(Validator validator, Object object, Class<?>... groups)
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throws ConstraintViolationException {
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Set constraintViolations = validator.validate(object, groups);
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if (!constraintViolations.isEmpty()) {
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throw new ConstraintViolationException(constraintViolations);
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}
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}
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/**
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* 辅助方法, 转换ConstraintViolationException中的Set<ConstraintViolations>中为List<message>.
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*/
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public static List<String> extractMessage(ConstraintViolationException e) {
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return extractMessage(e.getConstraintViolations());
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}
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/**
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* 辅助方法, 转换Set<ConstraintViolation>为List<message>
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*/
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@SuppressWarnings("rawtypes")
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public static List<String> extractMessage(Set<? extends ConstraintViolation> constraintViolations) {
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List<String> errorMessages = Lists.newArrayList();
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for (ConstraintViolation violation : constraintViolations) {
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errorMessages.add(violation.getMessage());
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}
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return errorMessages;
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}
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/**
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* 辅助方法, 转换ConstraintViolationException中的Set<ConstraintViolations>为Map<property, message>.
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*/
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public static Map<String, String> extractPropertyAndMessage(ConstraintViolationException e) {
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return extractPropertyAndMessage(e.getConstraintViolations());
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}
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/**
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* 辅助方法, 转换Set<ConstraintViolation>为Map<property, message>.
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*/
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@SuppressWarnings("rawtypes")
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public static Map<String, String> extractPropertyAndMessage(Set<? extends ConstraintViolation> constraintViolations) {
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Map<String, String> errorMessages = Maps.newHashMap();
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for (ConstraintViolation violation : constraintViolations) {
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errorMessages.put(violation.getPropertyPath().toString(), violation.getMessage());
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}
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return errorMessages;
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}
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/**
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* 辅助方法, 转换ConstraintViolationException中的Set<ConstraintViolations>为List<propertyPath message>.
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*/
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public static List<String> extractPropertyAndMessageAsList(ConstraintViolationException e) {
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return extractPropertyAndMessageAsList(e.getConstraintViolations(), " ");
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}
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/**
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* 辅助方法, 转换Set<ConstraintViolations>为List<propertyPath message>.
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*/
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@SuppressWarnings("rawtypes")
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public static List<String> extractPropertyAndMessageAsList(Set<? extends ConstraintViolation> constraintViolations) {
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return extractPropertyAndMessageAsList(constraintViolations, " ");
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}
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/**
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* 辅助方法, 转换ConstraintViolationException中的Set<ConstraintViolations>为List<propertyPath +separator+ message>.
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*/
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public static List<String> extractPropertyAndMessageAsList(ConstraintViolationException e, String separator) {
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return extractPropertyAndMessageAsList(e.getConstraintViolations(), separator);
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}
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/**
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* 辅助方法, 转换Set<ConstraintViolation>为List<propertyPath +separator+ message>.
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*/
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@SuppressWarnings("rawtypes")
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public static List<String> extractPropertyAndMessageAsList(Set<? extends ConstraintViolation> constraintViolations,
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String separator) {
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List<String> errorMessages = Lists.newArrayList();
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for (ConstraintViolation violation : constraintViolations) {
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errorMessages.add(violation.getPropertyPath() + separator + violation.getMessage());
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}
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return errorMessages;
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}
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}
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