1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * 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.vfs2.provider.compressed;
18
19 import java.util.Collection;
20
21 import org.apache.commons.vfs2.Capability;
22 import org.apache.commons.vfs2.FileName;
23 import org.apache.commons.vfs2.FileObject;
24 import org.apache.commons.vfs2.FileSystemException;
25 import org.apache.commons.vfs2.FileSystemOptions;
26 import org.apache.commons.vfs2.provider.AbstractFileName;
27 import org.apache.commons.vfs2.provider.AbstractFileSystem;
28
29 /**
30 * A read-only file system for compressed files.
31 */
32 public abstract class CompressedFileFileSystem extends AbstractFileSystem {
33
34 protected CompressedFileFileSystem(final FileName rootName, final FileObject parentLayer,
35 final FileSystemOptions fileSystemOptions) {
36 super(rootName, parentLayer, fileSystemOptions);
37 }
38
39 /**
40 * Returns the capabilities of this file system.
41 */
42 @Override
43 protected abstract void addCapabilities(final Collection<Capability> caps);
44
45 /**
46 * Creates a file object.
47 */
48 @Override
49 protected abstract FileObject createFile(final AbstractFileName name) throws FileSystemException;
50 }