1 /*
   2  * Copyright (c) 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 import sun.text.normalizer.NormalizerImpl;
  30 
  31 /**
  32  * This Normalizer is for Unicode 3.2 support for IDNA only.
  33  * Developers should not use this class.
  34  *
  35  * @ since 1.6
  36  */
  37 public final class Normalizer {
  38 
  39     private Normalizer() {};
  40 
  41     /**
  42      * Option to select Unicode 3.2 (without corrigendum 4 corrections) for
  43      * normalization.
  44      */
  45     public static final int UNICODE_3_2 = NormalizerBase.UNICODE_3_2_0_ORIGINAL;
  46 
  47     /**
  48      * Normalize a sequence of char values.
  49      * The sequence will be normalized according to the specified normalization
  50      * from.
  51      * @param src        The sequence of char values to normalize.
  52      * @param form       The normalization form; one of
  53      *                   {@link java.text.Normalizer.Form#NFC},
  54      *                   {@link java.text.Normalizer.Form#NFD},
  55      *                   {@link java.text.Normalizer.Form#NFKC},
  56      *                   {@link java.text.Normalizer.Form#NFKD}
  57      * @param option     The normalization option;
  58      *                   {@link sun.text.Normalizer#UNICODE_3_2}
  59      * @return The normalized String
  60      * @throws NullPointerException If <code>src</code> or <code>form</code>
  61      * is null.
  62      */
  63     public static String normalize(CharSequence src,
  64                                    java.text.Normalizer.Form form,
  65                                    int option) {
  66         return NormalizerBase.normalize(src.toString(), form, option);
  67     };
  68 
  69     /**
  70      * Determines if the given sequence of char values is normalized.
  71      * @param src        The sequence of char values to be checked.
  72      * @param form       The normalization form; one of
  73      *                   {@link java.text.Normalizer.Form#NFC},
  74      *                   {@link java.text.Normalizer.Form#NFD},
  75      *                   {@link java.text.Normalizer.Form#NFKC},
  76      *                   {@link java.text.Normalizer.Form#NFKD}
  77      * @param option     The normalization option;
  78      *                   {@link sun.text.Normalizer#UNICODE_3_2}
  79      * @return true if the sequence of char values is normalized;
  80      * false otherwise.
  81      * @throws NullPointerException If <code>src</code> or <code>form</code>
  82      * is null.
  83      */
  84     public static boolean isNormalized(CharSequence src,
  85                                        java.text.Normalizer.Form form,
  86                                        int option) {
  87         return NormalizerBase.isNormalized(src.toString(), form, option);
  88     }
  89 
  90     /**
  91      * Returns the combining class of the given character
  92      * @param ch character to retrieve combining class of
  93      * @return combining class of the given character
  94      */
  95     public static final int getCombiningClass(int ch) {
  96         return NormalizerImpl.getCombiningClass(ch);
  97     }
  98 }