org.zht.framework.validate.ValidateHandler.java Source code

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Here is the source code for org.zht.framework.validate.ValidateHandler.java

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/**
 * Copyright (c) 2015 https://github.com/zhaohuatai
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 */
package org.zht.framework.validate;

import java.util.List;

import org.springframework.validation.BindingResult;
import org.springframework.validation.FieldError;
import org.springframework.validation.ObjectError;
import org.springframework.web.context.request.NativeWebRequest;

public class ValidateHandler {

    public static ValidateResult handle(BindingResult result) {
        ValidateResult retVal = new ValidateResult();
        if (result.hasErrors()) {
            List<ObjectError> list = result.getAllErrors();
            ObjectError oe = list.get(0);
            retVal.setMessage(oe.getDefaultMessage());
            retVal.setResult(false);
        } else {
            retVal.setResult(true);
        }
        return retVal;
    }

    public static String getDefaultError(BindingResult result) {
        if (result.hasErrors()) {
            List<FieldError> fieldEist = result.getFieldErrors();
            if (fieldEist != null && fieldEist.size() > 0) {
                FieldError fieldError = fieldEist.get(0);
                fieldError.getCode();
                String prefix = "\r\n" + "???";
                String value = "{" + (fieldError.getRejectedValue() == null ? " " : fieldError.getRejectedValue())
                        + "}";
                String message = "" + fieldError.getDefaultMessage();
                return prefix + "" + value + "\r\n" + message;
            } else {
                List<ObjectError> allErrorlist = result.getAllErrors();
                ObjectError oe = allErrorlist.get(0);
                return "" + oe.getDefaultMessage();
            }
        } else {
            return null;
        }
    }

    @SuppressWarnings("unchecked")
    public static String getDefaultErrorFromResolver(NativeWebRequest request) {
        List<BindingResult> list = (List<BindingResult>) request
                .getAttribute(ValidateConstant.BINDING_RESULT_LIST_NAME, 0);
        if (list != null && list.size() > 0) {
            String error = getDefaultError(list.get(0));
            return error == null ? "" : error;
        }
        return null;
    }

    public static boolean hasErrors(NativeWebRequest request) {
        Boolean hasError = (Boolean) request.getAttribute(ValidateConstant.BINDING_RESULT_HAS_ERROR, 0);
        if (hasError != null && hasError) {
            return true;
        }
        return false;
    }
}