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: package org.apache.commons.vfs;
18:
19: /**
20: * A {@link FileSelector} that selects all files in a particular depth range.
21: *
22: * @author <a href="mailto:adammurdoch@apache.org">Adam Murdoch</a>
23: * @version $Revision: 480428 $ $Date: 2006-11-28 22:15:24 -0800 (Tue, 28 Nov 2006) $
24: */
25: public class FileDepthSelector implements FileSelector {
26: private final int minDepth;
27: private final int maxDepth;
28:
29: public FileDepthSelector(int minDepth, int maxDepth) {
30: this .minDepth = minDepth;
31: this .maxDepth = maxDepth;
32: }
33:
34: /**
35: * Determines if a file or folder should be selected.
36: */
37: public boolean includeFile(final FileSelectInfo fileInfo) {
38: final int depth = fileInfo.getDepth();
39: return (minDepth <= depth && depth <= maxDepth);
40: }
41:
42: /**
43: * Determines whether a folder should be traversed.
44: */
45: public boolean traverseDescendents(final FileSelectInfo fileInfo) {
46: return (fileInfo.getDepth() < maxDepth);
47: }
48: }
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