fec85cd274ea4ac4ba2064c30e72a2f9d304a57e.svn-base
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/**
* Copyright (c) 2005-2012 springside.org.cn
*/
package com.thinkgem.jeesite.common.beanvalidator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javax.validation.ConstraintViolation;
import javax.validation.ConstraintViolationException;
import javax.validation.Validator;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
/**
* JSR303 Validator(Hibernate Validator)工具类.
*
* ConstraintViolation中包含propertyPath, message 和invalidValue等信息.
* 提供了各种convert方法，适合不同的i18n需求:
* 1. List<String>, String内容为message
* 2. List<String>, String内容为propertyPath + separator + message
* 3. Map<propertyPath, message>
*
* 详情见wiki: https://github.com/springside/springside4/wiki/HibernateValidator
* @author calvin
* @version 2013-01-15
*/
public class BeanValidators {
/**
* 调用JSR303的validate方法, 验证失败时抛出ConstraintViolationException.
*/
@SuppressWarnings({ "unchecked", "rawtypes" })
public static void validateWithException(Validator validator, Object object, Class<?>... groups)
throws ConstraintViolationException {
Set constraintViolations = validator.validate(object, groups);
if (!constraintViolations.isEmpty()) {
throw new ConstraintViolationException(constraintViolations);
}
}
/**
* 辅助方法, 转换ConstraintViolationException中的Set<ConstraintViolations>中为List<message>.
*/
public static List<String> extractMessage(ConstraintViolationException e) {
return extractMessage(e.getConstraintViolations());
}
/**
* 辅助方法, 转换Set<ConstraintViolation>为List<message>
*/
@SuppressWarnings("rawtypes")
public static List<String> extractMessage(Set<? extends ConstraintViolation> constraintViolations) {
List<String> errorMessages = Lists.newArrayList();
for (ConstraintViolation violation : constraintViolations) {
errorMessages.add(violation.getMessage());
}
return errorMessages;
}
/**
* 辅助方法, 转换ConstraintViolationException中的Set<ConstraintViolations>为Map<property, message>.
*/
public static Map<String, String> extractPropertyAndMessage(ConstraintViolationException e) {
return extractPropertyAndMessage(e.getConstraintViolations());
}
/**
* 辅助方法, 转换Set<ConstraintViolation>为Map<property, message>.
*/
@SuppressWarnings("rawtypes")
public static Map<String, String> extractPropertyAndMessage(Set<? extends ConstraintViolation> constraintViolations) {
Map<String, String> errorMessages = Maps.newHashMap();
for (ConstraintViolation violation : constraintViolations) {
errorMessages.put(violation.getPropertyPath().toString(), violation.getMessage());
}
return errorMessages;
}
/**
* 辅助方法, 转换ConstraintViolationException中的Set<ConstraintViolations>为List<propertyPath message>.
*/
public static List<String> extractPropertyAndMessageAsList(ConstraintViolationException e) {
return extractPropertyAndMessageAsList(e.getConstraintViolations(), " ");
}
/**
* 辅助方法, 转换Set<ConstraintViolations>为List<propertyPath message>.
*/
@SuppressWarnings("rawtypes")
public static List<String> extractPropertyAndMessageAsList(Set<? extends ConstraintViolation> constraintViolations) {
return extractPropertyAndMessageAsList(constraintViolations, " ");
}
/**
* 辅助方法, 转换ConstraintViolationException中的Set<ConstraintViolations>为List<propertyPath +separator+ message>.
*/
public static List<String> extractPropertyAndMessageAsList(ConstraintViolationException e, String separator) {
return extractPropertyAndMessageAsList(e.getConstraintViolations(), separator);
}
/**
* 辅助方法, 转换Set<ConstraintViolation>为List<propertyPath +separator+ message>.
*/
@SuppressWarnings("rawtypes")
public static List<String> extractPropertyAndMessageAsList(Set<? extends ConstraintViolation> constraintViolations,
String separator) {
List<String> errorMessages = Lists.newArrayList();
for (ConstraintViolation violation : constraintViolations) {
errorMessages.add(violation.getPropertyPath() + separator + violation.getMessage());
}
return errorMessages;
}
}