Showing the changes to java/pkg/sun/util/locale/StringTokenIterator.java (1 of 18352 files). Show all
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| 1 | +/* | |
| 2 | + * Copyright (c) 2010, 2011, 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 | + * Copyright (C) 2009, International Business Machines Corporation and * | |
| 28 | + * others. All Rights Reserved. * | |
| 29 | + ******************************************************************************* | |
| 30 | + */ | |
| 31 | +package sun.util.locale; | |
| 32 | + | |
| 33 | +public class StringTokenIterator { | |
| 34 | + private String text; | |
| 35 | + private String dlms; // null if a single char delimiter | |
| 36 | + private char delimiterChar; // delimiter if a single char delimiter | |
| 37 | + | |
| 38 | + private String token; | |
| 39 | + private int start; | |
| 40 | + private int end; | |
| 41 | + private boolean done; | |
| 42 | + | |
| 43 | + public StringTokenIterator(String text, String dlms) { | |
| 44 | + this.text = text; | |
| 45 | + if (dlms.length() == 1) { | |
| 46 | + delimiterChar = dlms.charAt(0); | |
| 47 | + } else { | |
| 48 | + this.dlms = dlms; | |
| 49 | + } | |
| 50 | + setStart(0); | |
| 51 | + } | |
| 52 | + | |
| 53 | + public String first() { | |
| 54 | + setStart(0); | |
| 55 | + return token; | |
| 56 | + } | |
| 57 | + | |
| 58 | + public String current() { | |
| 59 | + return token; | |
| 60 | + } | |
| 61 | + | |
| 62 | + public int currentStart() { | |
| 63 | + return start; | |
| 64 | + } | |
| 65 | + | |
| 66 | + public int currentEnd() { | |
| 67 | + return end; | |
| 68 | + } | |
| 69 | + | |
| 70 | + public boolean isDone() { | |
| 71 | + return done; | |
| 72 | + } | |
| 73 | + | |
| 74 | + public String next() { | |
| 75 | + if (hasNext()) { | |
| 76 | + start = end + 1; | |
| 77 | + end = nextDelimiter(start); | |
| 78 | + token = text.substring(start, end); | |
| 79 | + } else { | |
| 80 | + start = end; | |
| 81 | + token = null; | |
| 82 | + done = true; | |
| 83 | + } | |
| 84 | + return token; | |
| 85 | + } | |
| 86 | + | |
| 87 | + public boolean hasNext() { | |
| 88 | + return (end < text.length()); | |
| 89 | + } | |
| 90 | + | |
| 91 | + public StringTokenIterator setStart(int offset) { | |
| 92 | + if (offset > text.length()) { | |
| 93 | + throw new IndexOutOfBoundsException(); | |
| 94 | + } | |
| 95 | + start = offset; | |
| 96 | + end = nextDelimiter(start); | |
| 97 | + token = text.substring(start, end); | |
| 98 | + done = false; | |
| 99 | + return this; | |
| 100 | + } | |
| 101 | + | |
| 102 | + public StringTokenIterator setText(String text) { | |
| 103 | + this.text = text; | |
| 104 | + setStart(0); | |
| 105 | + return this; | |
| 106 | + } | |
| 107 | + | |
| 108 | + private int nextDelimiter(int start) { | |
| 109 | + int textlen = this.text.length(); | |
| 110 | + if (dlms == null) { | |
| 111 | + for (int idx = start; idx < textlen; idx++) { | |
| 112 | + if (text.charAt(idx) == delimiterChar) { | |
| 113 | + return idx; | |
| 114 | + } | |
| 115 | + } | |
| 116 | + } else { | |
| 117 | + int dlmslen = dlms.length(); | |
| 118 | + for (int idx = start; idx < textlen; idx++) { | |
| 119 | + char c = text.charAt(idx); | |
| 120 | + for (int i = 0; i < dlmslen; i++) { | |
| 121 | + if (c == dlms.charAt(i)) { | |
| 122 | + return idx; | |
| 123 | + } | |
| 124 | + } | |
| 125 | + } | |
| 126 | + } | |
| 127 | + return textlen; | |
| 128 | + } | |
| 129 | +} | |