1 /*
2 * ====================================================================
3 * Licensed to the Apache Software Foundation (ASF) under one
4 * or more contributor license agreements. See the NOTICE file
5 * distributed with this work for additional information
6 * regarding copyright ownership. The ASF licenses this file
7 * to you under the Apache License, Version 2.0 (the
8 * "License"); you may not use this file except in compliance
9 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing,
14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
17 * specific language governing permissions and limitations
18 * under the License.
19 * ====================================================================
20 *
21 * This software consists of voluntary contributions made by many
22 * individuals on behalf of the Apache Software Foundation. For more
23 * information on the Apache Software Foundation, please see
24 * <http://www.apache.org/>.
25 *
26 */
27
28 package org.apache.hc.core5.util;
29
30 public class Asserts {
31
32 private Asserts() {
33 // Do not allow utility class to be instantiated.
34 }
35
36 public static void check(final boolean expression, final String message) {
37 if (!expression) {
38 throw new IllegalStateException(message);
39 }
40 }
41
42 public static void check(final boolean expression, final String message, final Object... args) {
43 if (!expression) {
44 throw new IllegalStateException(String.format(message, args));
45 }
46 }
47
48 public static void check(final boolean expression, final String message, final Object arg) {
49 if (!expression) {
50 throw new IllegalStateException(String.format(message, arg));
51 }
52 }
53
54 public static void notNull(final Object object, final String name) {
55 if (object == null) {
56 throw new IllegalStateException(name + " is null");
57 }
58 }
59
60 public static void notEmpty(final CharSequence s, final String name) {
61 if (TextUtils.isEmpty(s)) {
62 throw new IllegalStateException(name + " is empty");
63 }
64 }
65
66 public static void notBlank(final CharSequence s, final String name) {
67 if (TextUtils.isBlank(s)) {
68 throw new IllegalStateException(name + " is blank");
69 }
70 }
71
72 }