01: // ============================================================================
02: // $Id: FilterIterator.java,v 1.17 2006/05/22 03:31:16 davidahall Exp $
03: // Copyright (c) 2002-2005 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:
33: package net.sf.jga.util;
34:
35: import java.util.Iterator;
36: import java.util.NoSuchElementException;
37: import net.sf.jga.algorithms.Filter;
38: import net.sf.jga.fn.UnaryFunctor;
39:
40: /**
41: * Iterator that only returns elements that meet the given selection criteria.
42: * Note -- in addition to this class being deprecated in order to be moved,
43: * its implementation of Iterable<T> is also deprecated: the successor class
44: * will not implement Iterable<T>.
45: * <p>
46: * Copyright © 2002-2005 David A. Hall
47: *
48: * @author <a href="mailto:davidahall@users.sourceforge.net">David A. Hall</a>
49: * @deprecated use Filter.FilterIterator instead
50: **/
51:
52: public class FilterIterator<T> extends Filter.FilterIterator<T>
53: implements Iterable<T> {
54:
55: /**
56: * Builds a FilterIterator that will return only qualifying elements of
57: * the given iterator.
58: */
59: public FilterIterator(Iterator<? extends T> iter,
60: UnaryFunctor<T, Boolean> pred) {
61: super (iter, pred);
62: }
63:
64: // - - - - - - - - - - - -
65: // Iterable implementation
66: // - - - - - - - - - - - -
67: /**
68: * @deprecated the successor class will not implement Iterable<T>
69: */
70: public Iterator<T> iterator() {
71: return this;
72: }
73: }
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