JDK8/Java8源码在线阅读

/*
 * Copyright (c) 2000, 2005, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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package sun.text;

import sun.text.normalizer.NormalizerBase;

public class CollatorUtilities {

    public static int toLegacyMode(NormalizerBase.Mode mode) {
        // find the index of the legacy mode in the table;
        // if it's not there, default to Collator.NO_DECOMPOSITION (0)
        int legacyMode = legacyModeMap.length;
        while (legacyMode > 0) {
            --legacyMode;
            if (legacyModeMap[legacyMode] == mode) {
                break;
            }
        }
        return legacyMode;
    }

    public static NormalizerBase.Mode toNormalizerMode(int mode) {
        NormalizerBase.Mode normalizerMode;

        try {
            normalizerMode = legacyModeMap[mode];
        }
        catch(ArrayIndexOutOfBoundsException e) {
            normalizerMode = NormalizerBase.NONE;
        }
        return normalizerMode;

    }



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