01: /*
02: * Distributed as part of debuggen v.0.1.0
03: *
04: * Copyright (C) 2005 Machinery For Change, Inc.
05: *
06: * Author: Steve Waldman <swaldman@mchange.com>
07: *
08: * This library is free software; you can redistribute it and/or modify
09: * it under the terms of the GNU Lesser General Public License version 2.1, as
10: * published by the Free Software Foundation.
11: *
12: * This software is distributed in the hope that it will be useful,
13: * but WITHOUT ANY WARRANTY; without even the implied warranty of
14: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15: * GNU Lesser General Public License for more details.
16: *
17: * You should have received a copy of the GNU Lesser General Public License
18: * along with this software; see the file LICENSE. If not, write to the
19: * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
20: * Boston, MA 02111-1307, USA.
21: */
22:
23: package com.mchange.v2.io;
24:
25: import java.io.File;
26: import java.io.IOException;
27: import java.util.NoSuchElementException;
28: import com.mchange.v1.util.UIterator;
29:
30: public interface FileIterator extends UIterator {
31: public File nextFile() throws IOException;
32:
33: public boolean hasNext() throws IOException;
34:
35: public Object next() throws IOException;
36:
37: public void remove() throws IOException;
38:
39: public void close() throws IOException;
40:
41: public final static FileIterator EMPTY_FILE_ITERATOR = new FileIterator() {
42: public File nextFile() {
43: throw new NoSuchElementException();
44: }
45:
46: public boolean hasNext() {
47: return false;
48: }
49:
50: public Object next() {
51: throw new NoSuchElementException();
52: }
53:
54: public void remove() {
55: throw new IllegalStateException();
56: }
57:
58: public void close() {
59: }
60: };
61: }
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