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| 1 | +/* | |
| 2 | + * Copyright (c) 2000, 2005, Oracle and/or its affiliates. All rights reserved. | |
| 3 | + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 | + * | |
| 5 | + * This code is free software; you can redistribute it and/or modify it | |
| 6 | + * under the terms of the GNU General Public License version 2 only, as | |
| 7 | + * published by the Free Software Foundation. Oracle designates this | |
| 8 | + * particular file as subject to the "Classpath" exception as provided | |
| 9 | + * by Oracle in the LICENSE file that accompanied this code. | |
| 10 | + * | |
| 11 | + * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 12 | + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 | + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 | + * version 2 for more details (a copy is included in the LICENSE file that | |
| 15 | + * accompanied this code). | |
| 16 | + * | |
| 17 | + * You should have received a copy of the GNU General Public License version | |
| 18 | + * 2 along with this work; if not, write to the Free Software Foundation, | |
| 19 | + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 20 | + * | |
| 21 | + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 22 | + * or visit www.oracle.com if you need additional information or have any | |
| 23 | + * questions. | |
| 24 | + */ | |
| 25 | + | |
| 26 | +package sun.text; | |
| 27 | + | |
| 28 | +import sun.text.normalizer.NormalizerBase; | |
| 29 | + | |
| 30 | +public class CollatorUtilities { | |
| 31 | + | |
| 32 | + public static int toLegacyMode(NormalizerBase.Mode mode) { | |
| 33 | + // find the index of the legacy mode in the table; | |
| 34 | + // if it's not there, default to Collator.NO_DECOMPOSITION (0) | |
| 35 | + int legacyMode = legacyModeMap.length; | |
| 36 | + while (legacyMode > 0) { | |
| 37 | + --legacyMode; | |
| 38 | + if (legacyModeMap[legacyMode] == mode) { | |
| 39 | + break; | |
| 40 | + } | |
| 41 | + } | |
| 42 | + return legacyMode; | |
| 43 | + } | |
| 44 | + | |
| 45 | + public static NormalizerBase.Mode toNormalizerMode(int mode) { | |
| 46 | + NormalizerBase.Mode normalizerMode; | |
| 47 | + | |
| 48 | + try { | |
| 49 | + normalizerMode = legacyModeMap[mode]; | |
| 50 | + } | |
| 51 | + catch(ArrayIndexOutOfBoundsException e) { | |
| 52 | + normalizerMode = NormalizerBase.NONE; | |
| 53 | + } | |
| 54 | + return normalizerMode; | |
| 55 | + | |
| 56 | + } | |
| 57 | + | |
| 58 | + | |
| 59 | + static NormalizerBase.Mode[] legacyModeMap = { | |
| 60 | + NormalizerBase.NONE, // Collator.NO_DECOMPOSITION | |
| 61 | + NormalizerBase.NFD, // Collator.CANONICAL_DECOMPOSITION | |
| 62 | + NormalizerBase.NFKD, // Collator.FULL_DECOMPOSITION | |
| 63 | + }; | |
| 64 | + | |
| 65 | +} | |