1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.apache.commons.text;
18
19 /**
20 * <p>
21 * Commonly used implementations of {@link CharacterPredicate}. Per the interface
22 * requirements, all implementations are thread safe.
23 * </p>
24 *
25 * @since 1.0
26 */
27 public enum CharacterPredicates implements CharacterPredicate {
28
29 /**
30 * Tests code points against {@link Character#isLetter(int)}
31 *
32 * @since 1.0
33 */
34 LETTERS {
35 @Override
36 public boolean test(int codePoint) {
37 return Character.isLetter(codePoint);
38 }
39 },
40
41 /**
42 * Tests code points against {@link Character#isDigit(int)}.
43 *
44 * @since 1.0
45 */
46 DIGITS {
47 @Override
48 public boolean test(int codePoint) {
49 return Character.isDigit(codePoint);
50 }
51 }
52 }