01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: */
17:
18: package org.apache.regexp;
19:
20: /**
21: * Encapsulates String as CharacterIterator.
22: *
23: * @author <a href="mailto:ales.novak@netbeans.com">Ales Novak</a>
24: * @version CVS $Id: StringCharacterIterator.java 518156 2007-03-14 14:31:26Z vgritsenko $
25: */
26: public final class StringCharacterIterator implements CharacterIterator {
27: /** encapsulated */
28: private final String src;
29:
30: /** @param src - encapsulated String */
31: public StringCharacterIterator(String src) {
32: this .src = src;
33: }
34:
35: /** @return a substring */
36: public String substring(int beginIndex, int endIndex) {
37: return src.substring(beginIndex, endIndex);
38: }
39:
40: /** @return a substring */
41: public String substring(int beginIndex) {
42: return src.substring(beginIndex);
43: }
44:
45: /** @return a character at the specified position. */
46: public char charAt(int pos) {
47: return src.charAt(pos);
48: }
49:
50: /** @return <tt>true</tt> iff if the specified index is after the end of the character stream */
51: public boolean isEnd(int pos) {
52: return (pos >= src.length());
53: }
54: }
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