1 /*
2 * Copyright 2011 Vincent Behar
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 org.rundeck.api.util;
17
18 import org.apache.commons.lang.StringUtils;
19
20 /**
21 * Utility class for assertions
22 *
23 * @author Vincent Behar
24 */
25 public class AssertUtil {
26
27 /**
28 * Test if the given {@link Object} is null
29 *
30 * @param object
31 * @param errorMessage to be used if the object is null
32 * @throws IllegalArgumentException if the given object is null
33 */
34 public static void notNull(Object object, String errorMessage) throws IllegalArgumentException {
35 if (object == null) {
36 throw new IllegalArgumentException(errorMessage);
37 }
38 }
39
40 /**
41 * Test if the given {@link String} is blank (null, empty or only whitespace)
42 *
43 * @param input string
44 * @param errorMessage to be used if the string is blank
45 * @throws IllegalArgumentException if the given string is blank
46 */
47 public static void notBlank(String input, String errorMessage) throws IllegalArgumentException {
48 if (StringUtils.isBlank(input)) {
49 throw new IllegalArgumentException(errorMessage);
50 }
51 }
52
53 }