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Java > Open Source Codes > org > apache > oro > io > GlobFilenameFilter


1 package org.apache.oro.io;
2
3 /* ====================================================================
4  * The Apache Software License, Version 1.1
5  *
6  * Copyright (c) 2000 The Apache Software Foundation. All rights
7  * reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  *
13  * 1. Redistributions of source code must retain the above copyright
14  * notice, this list of conditions and the following disclaimer.
15  *
16  * 2. Redistributions in binary form must reproduce the above copyright
17  * notice, this list of conditions and the following disclaimer in
18  * the documentation and/or other materials provided with the
19  * distribution.
20  *
21  * 3. The end-user documentation included with the redistribution,
22  * if any, must include the following acknowledgment:
23  * "This product includes software developed by the
24  * Apache Software Foundation (http://www.apache.org/)."
25  * Alternately, this acknowledgment may appear in the software itself,
26  * if and wherever such third-party acknowledgments normally appear.
27  *
28  * 4. The names "Apache" and "Apache Software Foundation", "Jakarta-Oro"
29  * must not be used to endorse or promote products derived from this
30  * software without prior written permission. For written
31  * permission, please contact apache@apache.org.
32  *
33  * 5. Products derived from this software may not be called "Apache"
34  * or "Jakarta-Oro", nor may "Apache" or "Jakarta-Oro" appear in their
35  * name, without prior written permission of the Apache Software Foundation.
36  *
37  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
38  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
39  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
40  * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
41  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
42  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
43  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
44  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
45  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
46  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
47  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
48  * SUCH DAMAGE.
49  * ====================================================================
50  *
51  * This software consists of voluntary contributions made by many
52  * individuals on behalf of the Apache Software Foundation. For more
53  * information on the Apache Software Foundation, please see
54  * <http://www.apache.org/>.
55  *
56  * Portions of this software are based upon software originally written
57  * by Daniel F. Savarese. We appreciate his contributions.
58  */
59
60 import java.io.*;
61
62 import org.apache.oro.text.regex.*;
63 import org.apache.oro.text.*;
64
65 /**
66  * GlobFilenameFilter is a RegexFilenameFilter subclass that filters on Glob
67  * regular expressions as implemented by the org.apache.oro.text package,
68  * which is required to use this class.
69
70  @author <a HREF="dfs@savarese.org">Daniel F. Savarese</a>
71  @version $Id: GlobFilenameFilter.java,v 1.1.1.1 2000/07/23 23:08:48 jon Exp $
72
73  * @see RegexFilenameFilter
74  * @see AwkFilenameFilter
75  * @see GlobFilenameFilter
76  */
77 public class GlobFilenameFilter extends RegexFilenameFilter {
78   private static final PatternMatcher __MATCHER = new Perl5Matcher();
79   private static final PatternCache __CACHE =
80                              new PatternCacheLRU(new GlobCompiler());
81
82   /**
83    * Construct a filter initialized with the indicated regular expression
84    * and accompanying compilation options conforming to those used by
85    * <code> org.apache.oro.text.GlobCompiler </code>
86    * <p>
87    * @param regex The regular expression on which to filter.
88    * @param options A set of compilation options.
89    * @exception MalformedCachePatternException If there is an error in
90    * compiling the regular expression. This need not be caught if
91    * you are using a hard-coded expression that you know is correct.
92    * But for robustness and reliability you should catch this exception
93    * for dynamically entered expressions determined at runtime.
94    */
95   public GlobFilenameFilter(String JavaDoc regex, int options) {
96     super(__CACHE, __MATCHER, regex, options);
97   }
98
99   /** Same as GlobFilenameFilter(regex, GlobCompiler.DEFAULT_MASK); */
100   public GlobFilenameFilter(String JavaDoc regex) {
101     super(__CACHE, __MATCHER, regex);
102   }
103
104   /** Same as GlobFilenameFilter(""); */
105   public GlobFilenameFilter() {
106     super(__CACHE, __MATCHER);
107   }
108 }
109
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