1 /*
2 * Copyright 2006 The Kuali Foundation
3 *
4 * Licensed under the Educational Community License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.opensource.org/licenses/ecl2.php
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 package org.kuali.ole.gl.service.impl;
17
18 import org.kuali.ole.gl.ObjectHelper;
19
20 /**
21 * Provides helper methods related to evaluating Strings
22 */
23 public class StringHelper extends ObjectHelper {
24
25 /**
26 * This method returns true if String object is empty and NOT null
27 *
28 * @param s evaluated String
29 * @return true if String object is empty and NOT null
30 */
31 static public boolean isEmpty(String s) {
32 return (s != null) && "".equals(s);
33 }
34
35 /**
36 * This method returns true if String object is null or empty
37 * @param s evaluated String
38 * @return true if String object is null or empty
39 */
40 static public boolean isNullOrEmpty(String s) {
41 return (s == null) || isEmpty(s);
42 }
43 }