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| 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 | +/* | |
| 27 | + ******************************************************************************* | |
| 28 | + * (C) Copyright IBM Corp. 1996-2005 - All Rights Reserved * | |
| 29 | + * * | |
| 30 | + * The original version of this source code and documentation is copyrighted * | |
| 31 | + * and owned by IBM, These materials are provided under terms of a License * | |
| 32 | + * Agreement between IBM and Sun. This technology is protected by multiple * | |
| 33 | + * US and International patents. This notice and attribution to IBM may not * | |
| 34 | + * to removed. * | |
| 35 | + ******************************************************************************* | |
| 36 | + */ | |
| 37 | + | |
| 38 | +package sun.text.normalizer; | |
| 39 | + | |
| 40 | +/** | |
| 41 | + * <code>ReplaceableString</code> is an adapter class that implements the | |
| 42 | + * <code>Replaceable</code> API around an ordinary <code>StringBuffer</code>. | |
| 43 | + * | |
| 44 | + * <p><em>Note:</em> This class does not support attributes and is not | |
| 45 | + * intended for general use. Most clients will need to implement | |
| 46 | + * {@link Replaceable} in their text representation class. | |
| 47 | + * | |
| 48 | + * <p>Copyright © IBM Corporation 1999. All rights reserved. | |
| 49 | + * | |
| 50 | + * @see Replaceable | |
| 51 | + * @author Alan Liu | |
| 52 | + * @stable ICU 2.0 | |
| 53 | + */ | |
| 54 | +public class ReplaceableString implements Replaceable { | |
| 55 | + | |
| 56 | + private StringBuffer buf; | |
| 57 | + | |
| 58 | + /** | |
| 59 | + * Construct a new object with the given initial contents. | |
| 60 | + * @param str initial contents | |
| 61 | + * @stable ICU 2.0 | |
| 62 | + */ | |
| 63 | + public ReplaceableString(String str) { | |
| 64 | + buf = new StringBuffer(str); | |
| 65 | + } | |
| 66 | + | |
| 67 | + //// for StringPrep | |
| 68 | + /** | |
| 69 | + * Construct a new object using <code>buf</code> for internal | |
| 70 | + * storage. The contents of <code>buf</code> at the time of | |
| 71 | + * construction are used as the initial contents. <em>Note! | |
| 72 | + * Modifications to <code>buf</code> will modify this object, and | |
| 73 | + * vice versa.</em> | |
| 74 | + * @param buf object to be used as internal storage | |
| 75 | + * @stable ICU 2.0 | |
| 76 | + */ | |
| 77 | + public ReplaceableString(StringBuffer buf) { | |
| 78 | + this.buf = buf; | |
| 79 | + } | |
| 80 | + | |
| 81 | + /** | |
| 82 | + * Return the number of characters contained in this object. | |
| 83 | + * <code>Replaceable</code> API. | |
| 84 | + * @stable ICU 2.0 | |
| 85 | + */ | |
| 86 | + public int length() { | |
| 87 | + return buf.length(); | |
| 88 | + } | |
| 89 | + | |
| 90 | + /** | |
| 91 | + * Return the character at the given position in this object. | |
| 92 | + * <code>Replaceable</code> API. | |
| 93 | + * @param offset offset into the contents, from 0 to | |
| 94 | + * <code>length()</code> - 1 | |
| 95 | + * @stable ICU 2.0 | |
| 96 | + */ | |
| 97 | + public char charAt(int offset) { | |
| 98 | + return buf.charAt(offset); | |
| 99 | + } | |
| 100 | + | |
| 101 | + //// for StringPrep | |
| 102 | + /** | |
| 103 | + * Copies characters from this object into the destination | |
| 104 | + * character array. The first character to be copied is at index | |
| 105 | + * <code>srcStart</code>; the last character to be copied is at | |
| 106 | + * index <code>srcLimit-1</code> (thus the total number of | |
| 107 | + * characters to be copied is <code>srcLimit-srcStart</code>). The | |
| 108 | + * characters are copied into the subarray of <code>dst</code> | |
| 109 | + * starting at index <code>dstStart</code> and ending at index | |
| 110 | + * <code>dstStart + (srcLimit-srcStart) - 1</code>. | |
| 111 | + * | |
| 112 | + * @param srcStart the beginning index to copy, inclusive; <code>0 | |
| 113 | + * <= start <= limit</code>. | |
| 114 | + * @param srcLimit the ending index to copy, exclusive; | |
| 115 | + * <code>start <= limit <= length()</code>. | |
| 116 | + * @param dst the destination array. | |
| 117 | + * @param dstStart the start offset in the destination array. | |
| 118 | + * @stable ICU 2.0 | |
| 119 | + */ | |
| 120 | + public void getChars(int srcStart, int srcLimit, char dst[], int dstStart) { | |
| 121 | + Utility.getChars(buf, srcStart, srcLimit, dst, dstStart); | |
| 122 | + } | |
| 123 | +} | |