01: /* Copyright (C) 2004 - 2007 db4objects Inc. http://www.db4o.com
02:
03: This file is part of the db4o open source object database.
04:
05: db4o is free software; you can redistribute it and/or modify it under
06: the terms of version 2 of the GNU General Public License as published
07: by the Free Software Foundation and as clarified by db4objects' GPL
08: interpretation policy, available at
09: http://www.db4o.com/about/company/legalpolicies/gplinterpretation/
10: Alternatively you can write to db4objects, Inc., 1900 S Norfolk Street,
11: Suite 350, San Mateo, CA 94403, USA.
12:
13: db4o is distributed in the hope that it will be useful, but WITHOUT ANY
14: WARRANTY; without even the implied warranty of MERCHANTABILITY or
15: FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16: for more details.
17:
18: You should have received a copy of the GNU General Public License along
19: with this program; if not, write to the Free Software Foundation, Inc.,
20: 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
21: package com.db4o.instrumentation.ant;
22:
23: import java.util.*;
24:
25: import org.apache.tools.ant.types.*;
26: import org.apache.tools.ant.types.resources.*;
27:
28: import com.db4o.instrumentation.file.*;
29:
30: public class AntFileSetPathRoot implements FilePathRoot {
31:
32: private FileSet[] _fileSets;
33:
34: public AntFileSetPathRoot(FileSet[] fileSets) {
35: _fileSets = fileSets;
36: }
37:
38: public Iterator files() {
39: return new FileSetIterator(_fileSets);
40: }
41:
42: public String[] rootDirs() {
43: String[] rootDirs = new String[_fileSets.length];
44: for (int rootIdx = 0; rootIdx < _fileSets.length; rootIdx++) {
45: rootDirs[rootIdx] = _fileSets[rootIdx].getDir()
46: .getAbsolutePath();
47: }
48: return rootDirs;
49: }
50:
51: private static class FileSetIterator implements Iterator {
52:
53: private final FileSet[] _fileSets;
54: private int _fileSetIdx;
55: private Iterator _fileSetIter;
56:
57: public FileSetIterator(FileSet[] fileSets) {
58: _fileSets = fileSets;
59: advanceFileSet();
60: }
61:
62: public boolean hasNext() {
63: return _fileSetIter.hasNext();
64: }
65:
66: public Object next() {
67: FileResource fileRes = (FileResource) _fileSetIter.next();
68: return new FileWithRoot(fileRes.getBaseDir(), fileRes
69: .getFile());
70: }
71:
72: public void remove() {
73: throw new UnsupportedOperationException();
74: }
75:
76: private void advanceFileSet() {
77: while ((_fileSetIter == null || !_fileSetIter.hasNext())
78: && _fileSetIdx < _fileSets.length) {
79: _fileSetIter = _fileSets[_fileSetIdx].iterator();
80: _fileSetIdx++;
81: }
82: }
83: }
84: }
|