| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package java.text; |
| |
| import libcore.icu.NativeNormalizer; |
| |
| /** |
| * Provides normalization functions according to |
| * <a href="http://www.unicode.org/unicode/reports/tr15/tr15-23.html">Unicode Standard Annex #15: |
| * Unicode Normalization Forms</a>. Normalization can decompose and compose |
| * characters for equivalency checking. |
| * |
| * @since 1.6 |
| */ |
| public final class Normalizer { |
| /** |
| * The normalization forms supported by the Normalizer. These are specified in |
| * <a href="http://www.unicode.org/unicode/reports/tr15/tr15-23.html">Unicode Standard |
| * Annex #15</a>. |
| */ |
| public static enum Form { |
| /** |
| * Normalization Form D - Canonical Decomposition. |
| */ |
| NFD, |
| |
| /** |
| * Normalization Form C - Canonical Decomposition, followed by Canonical Composition. |
| */ |
| NFC, |
| |
| /** |
| * Normalization Form KD - Compatibility Decomposition. |
| */ |
| NFKD, |
| |
| /** |
| * Normalization Form KC - Compatibility Decomposition, followed by Canonical Composition. |
| */ |
| NFKC; |
| } |
| |
| /** |
| * Check whether the given character sequence <code>src</code> is normalized |
| * according to the normalization method <code>form</code>. |
| * |
| * @param src character sequence to check |
| * @param form normalization form to check against |
| * @return true if normalized according to <code>form</code> |
| */ |
| public static boolean isNormalized(CharSequence src, Form form) { |
| return NativeNormalizer.isNormalized(src, form); |
| } |
| |
| /** |
| * Normalize the character sequence <code>src</code> according to the |
| * normalization method <code>form</code>. |
| * |
| * @param src character sequence to read for normalization |
| * @param form normalization form |
| * @return string normalized according to <code>form</code> |
| */ |
| public static String normalize(CharSequence src, Form form) { |
| return NativeNormalizer.normalize(src, form); |
| } |
| |
| private Normalizer() {} |
| } |