package com.zuidaima.user.controllers;

import org.springframework.stereotype.Component;
import org.springframework.validation.Errors;
import org.springframework.validation.ValidationUtils;
import com.zuidaima.user.model.User;

@Component("userValidator")
public class UserValidation {

	/**
	 * 数据校验
	 * @param target
	 * @param errors
	 */
	public void validate(Object target, Errors errors) {
		User registration = (User) target;
		ValidationUtils.rejectIfEmptyOrWhitespace(errors, "userName",
				"NotEmpty.registration.userName",
				"用户名不能为空.");
		String userName = registration.getUserName();
		if ((userName.length()) > 50) {
			errors.rejectValue("userName",
					"lengthOfUser.registration.userName",
					"用户名长度不可大于50.");
		}
		if (!(registration.getPassword()).equals(registration
				.getConfirmPassword())) {
			errors.rejectValue("password",
					"matchingPassword.registration.password",
					"两次输入的密码不一致.");
		}
	}
}