/src/main/java/com/google/ie/common/validation/UserValidator.java

 1/* Copyright 2010 Google Inc.
 2 * 
 3 * Licensed under the Apache License, Version 2.0 (the "License");
 4 * you may not use this file except in compliance with the License.
 5 * You may obtain a copy of the License at
 6 * 
 7 *      http://www.apache.org/licenses/LICENSE-2.0
 8 * 
 9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS.
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License
14 */
15
16package com.google.ie.common.validation;
17
18import com.google.ie.business.domain.User;
19
20import org.springframework.validation.Errors;
21import org.springframework.validation.ValidationUtils;
22import org.springframework.validation.Validator;
23
24/**
25 * {@link Validator} implementation for validating {@link User} object.
26 * 
27 * @author asirohi
28 * 
29 */
30public class UserValidator implements Validator {
31
32    @Override
33    public boolean supports(Class<?> clazz) {
34        return User.class.isAssignableFrom(clazz);
35    }
36
37    @Override
38    public void validate(Object target, Errors errors) {
39        ValidationUtils.rejectIfEmptyOrWhitespace(errors, "key", "required",
40                        "Field is null or empty");
41    }
42
43}
44