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:
18: package java.io;
19:
20: /**
21: * FilenameFilter is an interface which declares methods for filtering file
22: * names in the <code>list</code> method of File.
23: *
24: * @see File
25: * @see File#list(FilenameFilter)
26: */
27: public interface FilenameFilter {
28:
29: /**
30: * Answers a boolean if a specific filename matches a filter.
31: *
32: * @param dir
33: * the directory in which the <code>filename</code> was found.
34: * @param filename
35: * the name of the file in <code>dir</dir> to test.
36: * @return boolean <code>true</code> if the filename matches the filter and can be included
37: * in the list, <code>false</code> otherwise.
38: */
39: public abstract boolean accept(File dir, String filename);
40: }
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