1 /*
2 * Copyright 2009-2010 Steve Chaloner
3 *
4 * Licensed under the Apache 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.apache.org/licenses/LICENSE-2.0
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 be.objectify.led.util;
17
18 /**
19 * Utility methods for working with strings.
20 *
21 * @author Steve Chaloner
22 */
23 public class StringUtils
24 {
25 private StringUtils()
26 {
27 }
28
29 /**
30 * Checks if the given string is null or comprised entirely of whitespace.
31 *
32 * @param string the string to check
33 * @return true iff the string is null or empty
34 */
35 public static boolean isEmpty(String string)
36 {
37 return string == null || string.trim().length() == 0;
38 }
39 }