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.gzip;
18:
19: import org.apache.commons.vfs.FileName;
20: import org.apache.commons.vfs.FileObject;
21: import org.apache.commons.vfs.provider.compressed.CompressedFileFileObject;
22: import org.apache.commons.vfs.provider.compressed.CompressedFileFileSystem;
23:
24: import java.io.InputStream;
25: import java.io.OutputStream;
26: import java.util.zip.GZIPInputStream;
27: import java.util.zip.GZIPOutputStream;
28:
29: /**
30: * the gzip file
31: *
32: * @author <a href="mailto:imario@apache.org">Mario Ivankovits</a>
33: * @version $Revision: 480428 $ $Date: 2006-11-28 22:15:24 -0800 (Tue, 28 Nov 2006) $
34: */
35: public class GzipFileObject extends CompressedFileFileObject {
36: protected GzipFileObject(FileName name, FileObject container,
37: CompressedFileFileSystem fs) {
38: super (name, container, fs);
39: }
40:
41: protected InputStream doGetInputStream() throws Exception {
42: InputStream is = getContainer().getContent().getInputStream();
43: return new GZIPInputStream(is);
44: }
45:
46: protected OutputStream doGetOutputStream(boolean bAppend)
47: throws Exception {
48: OutputStream os = getContainer().getContent().getOutputStream(
49: false);
50: return new GZIPOutputStream(os);
51: }
52: }
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