com.github.dennisit.vplus.data.utils.ValidateUtils Maven / Gradle / Ivy
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package com.github.dennisit.vplus.data.utils;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import org.apache.commons.collections4.CollectionUtils;
import org.springframework.validation.BindingResult;
import org.springframework.validation.FieldError;
import java.util.List;
import java.util.Map;
import java.util.Optional;
/**
* @author Elon.su
*/
public final class ValidateUtils {
private ValidateUtils(){
}
/**
* 从校验结果中抽取第一个错误的描述内容
* @param result 校验结果
* @return 原因描述集合中的第一个
*/
public static String wrapErrorFirst(BindingResult result){
return Optional.ofNullable(wrapErrorList(result)).orElse(Lists.newArrayList()).get(0);
}
/**
* 从校验结果中抽取所有的校验不通过的描述原因
* @param result 校验结果
* @return 原因描述集合
*/
public static List wrapErrorList(BindingResult result){
Map map = wrapErrorMap(result);
return (List)Optional.ofNullable(map).orElse(Maps.newHashMap()).values();
}
/**
* 从校验结果集中抽取参数以及说明
* @param result 校验结果集合
* @return 属性与校验结果映射
*/
public static Map wrapErrorMap(BindingResult result) {
if(!result.hasErrors()){
return Maps.newHashMap();
}
List list = result.getFieldErrors();
if(CollectionUtils.isEmpty(list)){
return Maps.newHashMap();
}
Map map = Maps.newHashMap();
list.forEach(li -> {
map.put(li.getField(), li.getDefaultMessage());
});
return map;
}
}