001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.commons.text;
018
019/**
020 * <p>
021 * Commonly used implementations of {@link CharacterPredicate}. Per the interface
022 * requirements, all implementations are thread safe.
023 * </p>
024 * 
025 * @since 1.0
026 */
027public enum CharacterPredicates implements CharacterPredicate {
028
029    /**
030     * Tests code points against {@link Character#isLetter(int)}
031     * 
032     * @since 1.0
033     */
034    LETTERS {
035        @Override
036        public boolean test(int codePoint) {
037            return Character.isLetter(codePoint);
038        }
039    },
040
041    /**
042     * Tests code points against {@link Character#isDigit(int)}.
043     * 
044     * @since 1.0
045     */
046    DIGITS {
047        @Override
048        public boolean test(int codePoint) {
049            return Character.isDigit(codePoint);
050        }
051    }
052}