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.provider.compressed;
18:
19: import org.apache.commons.vfs.FileName;
20: import org.apache.commons.vfs.FileObject;
21: import org.apache.commons.vfs.FileSystem;
22: import org.apache.commons.vfs.FileSystemException;
23: import org.apache.commons.vfs.FileSystemOptions;
24: import org.apache.commons.vfs.provider.AbstractFileSystem;
25:
26: import java.util.Collection;
27:
28: /**
29: * A read-only file system for compressed files.
30: *
31: * @author <a href="mailto:imario@apache.org">Mario Ivankovits</a>
32: * @version $Revision: 480428 $ $Date: 2006-11-28 22:15:24 -0800 (Tue, 28 Nov 2006) $
33: */
34: public abstract class CompressedFileFileSystem extends
35: AbstractFileSystem implements FileSystem {
36: protected CompressedFileFileSystem(final FileName rootName,
37: final FileObject parentLayer,
38: final FileSystemOptions fileSystemOptions)
39: throws FileSystemException {
40: super (rootName, parentLayer, fileSystemOptions);
41: }
42:
43: public void init() throws FileSystemException {
44: super .init();
45:
46: }
47:
48: /**
49: * Returns the capabilities of this file system.
50: */
51: protected abstract void addCapabilities(final Collection caps);
52:
53: /**
54: * Creates a file object.
55: */
56: protected abstract FileObject createFile(final FileName name)
57: throws FileSystemException;
58: }
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