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.http.util;
29
30 /**
31 * @since 4.3
32 */
33 public final class TextUtils {
34
35 public static boolean isEmpty(final CharSequence s) {
36 if (s == null) {
37 return true;
38 }
39 return s.length() == 0;
40 }
41
42 public static boolean isBlank(final CharSequence s) {
43 if (s == null) {
44 return true;
45 }
46 for (int i = 0; i < s.length(); i++) {
47 if (!Character.isWhitespace(s.charAt(i))) {
48 return false;
49 }
50 }
51 return true;
52 }
53
54 }