01: // ============================================================================
02: // $Id: StringTokenizerIterator.java,v 1.6 2005/08/02 23:45:22 davidahall Exp $
03: // Copyright (c) 2003-2005 David A. Hall
04: // ============================================================================
05: // The contents of this file are subject to the Common Development and
06: // Distribution License (CDDL), Version 1.0 (the License); you may not use this
07: // file except in compliance with the License. You should have received a copy
08: // of the the License along with this file: if not, a copy of the License is
09: // available from Sun Microsystems, Inc.
10: //
11: // http://www.sun.com/cddl/cddl.html
12: //
13: // From time to time, the license steward (initially Sun Microsystems, Inc.) may
14: // publish revised and/or new versions of the License. You may not use,
15: // distribute, or otherwise make this file available under subsequent versions
16: // of the License.
17: //
18: // Alternatively, the contents of this file may be used under the terms of the
19: // GNU Lesser General Public License Version 2.1 or later (the "LGPL"), in which
20: // case the provisions of the LGPL are applicable instead of those above. If you
21: // wish to allow use of your version of this file only under the terms of the
22: // LGPL, and not to allow others to use your version of this file under the
23: // terms of the CDDL, indicate your decision by deleting the provisions above
24: // and replace them with the notice and other provisions required by the LGPL.
25: // If you do not delete the provisions above, a recipient may use your version
26: // of this file under the terms of either the CDDL or the LGPL.
27: //
28: // This library is distributed in the hope that it will be useful,
29: // but WITHOUT ANY WARRANTY; without even the implied warranty of
30: // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
31: // ============================================================================
32: package net.sf.jga.util;
33:
34: import java.util.NoSuchElementException;
35: import java.util.StringTokenizer;
36: import java.util.Iterator;
37:
38: /**
39: * Adapts a StringTokenizer to the Iterator interface.
40: * <p>
41: * Copyright © 2003-2005 David A. Hall
42: *
43: * @author <a href="mailto:davidahall@users.sf.net">David A. Hall</a>
44: */
45:
46: public class StringTokenizerIterator implements Iterator<String>,
47: Iterable<String> {
48: private StringTokenizer _base;
49:
50: public StringTokenizerIterator(StringTokenizer tok) {
51: if (tok == null)
52: throw new IllegalArgumentException();
53:
54: _base = tok;
55: }
56:
57: // - - - - - - - - - - - - - -
58: // Iterable<String> interface
59: // - - - - - - - - - - - - - -
60:
61: public Iterator<String> iterator() {
62: return this ;
63: }
64:
65: // - - - - - - - - - - - - - -
66: // Iterator<String> interface
67: // - - - - - - - - - - - - - -
68:
69: /**
70: * Returns true if the base tokenizer has tokens remaining.
71: */
72:
73: public boolean hasNext() {
74: return _base.hasMoreTokens();
75: }
76:
77: /**
78: * Returns the next string in the base tokenizer.
79: * @throws NoSuchElementException if there are no more tokens in the base
80: * tokenizer's string
81: */
82:
83: public String next() {
84: return _base.nextToken();
85: }
86:
87: public void remove() {
88: throw new UnsupportedOperationException();
89: }
90: }
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