Mercurial > jdk8-mips64-public > jaxp / file comparison
comparison: src/com/sun/org/apache/regexp/internal/CharacterArrayCharacterIterator.java
src/com/sun/org/apache/regexp/internal/CharacterArrayCharacterIterator.java
- changeset 2116
- aaee9ae4799a
- parent 759
- 7ea027fae4d8
equal
deleted
inserted
replaced
| 2090:3b8ebb957957 | 2116:aaee9ae4799a |
|---|---|
| 1 /* | |
| 2 * reserved comment block | |
| 3 * DO NOT REMOVE OR ALTER! | |
| 4 */ | |
| 5 /* | |
| 6 * Copyright 1999-2004 The Apache Software Foundation. | |
| 7 * | |
| 8 * Licensed under the Apache License, Version 2.0 (the "License"); | |
| 9 * you may not use this file except in compliance with the License. | |
| 10 * You may obtain a copy of the License at | |
| 11 * | |
| 12 * http://www.apache.org/licenses/LICENSE-2.0 | |
| 13 * | |
| 14 * Unless required by applicable law or agreed to in writing, software | |
| 15 * distributed under the License is distributed on an "AS IS" BASIS, | |
| 16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 17 * See the License for the specific language governing permissions and | |
| 18 * limitations under the License. | |
| 19 */ | |
| 20 | |
| 21 package com.sun.org.apache.regexp.internal; | |
| 22 | |
| 23 /** | |
| 24 * Encapsulates char[] as CharacterIterator | |
| 25 * | |
| 26 * @author <a href="mailto:ales.novak@netbeans.com">Ales Novak</a> | |
| 27 */ | |
| 28 public final class CharacterArrayCharacterIterator implements CharacterIterator | |
| 29 { | |
| 30 /** encapsulated */ | |
| 31 private final char[] src; | |
| 32 /** offset in the char array */ | |
| 33 private final int off; | |
| 34 /** used portion of the array */ | |
| 35 private final int len; | |
| 36 | |
| 37 /** @param src - encapsulated String */ | |
| 38 public CharacterArrayCharacterIterator(char[] src, int off, int len) | |
| 39 { | |
| 40 this.src = src; | |
| 41 this.off = off; | |
| 42 this.len = len; | |
| 43 } | |
| 44 | |
| 45 /** @return a substring */ | |
| 46 public String substring(int beginIndex, int endIndex) | |
| 47 { | |
| 48 if (endIndex > len) { | |
| 49 throw new IndexOutOfBoundsException("endIndex=" + endIndex | |
| 50 + "; sequence size=" + len); | |
| 51 } | |
| 52 if (beginIndex < 0 || beginIndex > endIndex) { | |
| 53 throw new IndexOutOfBoundsException("beginIndex=" + beginIndex | |
| 54 + "; endIndex=" + endIndex); | |
| 55 } | |
| 56 return new String(src, off + beginIndex, endIndex - beginIndex); | |
| 57 } | |
| 58 | |
| 59 /** @return a substring */ | |
| 60 public String substring(int beginIndex) | |
| 61 { | |
| 62 return substring(beginIndex, len); | |
| 63 } | |
| 64 | |
| 65 /** @return a character at the specified position. */ | |
| 66 public char charAt(int pos) | |
| 67 { | |
| 68 return src[off + pos]; | |
| 69 } | |
| 70 | |
| 71 /** @return <tt>true</tt> iff if the specified index is after the end of the character stream */ | |
| 72 public boolean isEnd(int pos) | |
| 73 { | |
| 74 return (pos >= len); | |
| 75 } | |
| 76 } |
