blob: 3f95a6982662bfac6de236976aae1b902f42df57 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.tools.ant.types.resources;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.zip.GZIPInputStream;
import java.util.zip.GZIPOutputStream;
/**
* A GZip compressed resource.
*
* <p>Wraps around another resource, delegates all queries to that
* other resource but uncompresses/compresses streams on the fly.</p>
*
* @since Ant 1.7
*/
public class GZipResource extends CompressedResource {
/** A no-arg constructor */
public GZipResource() {
}
/**
* Constructor with another resource to wrap.
* @param other the resource to wrap.
*/
public GZipResource(org.apache.tools.ant.types.ResourceCollection other) {
super(other);
}
/**
* Decompress on the fly using java.util.zip.GZIPInputStream.
* @param in the stream to wrap.
* @return the wrapped stream.
* @throws IOException if there is a problem.
*/
protected InputStream wrapStream(InputStream in) throws IOException {
return new GZIPInputStream(in);
}
/**
* Compress on the fly using java.util.zip.GZIPOutStream.
* @param out the stream to wrap.
* @return the wrapped stream.
* @throws IOException if there is a problem.
*/
protected OutputStream wrapStream(OutputStream out) throws IOException {
return new GZIPOutputStream(out);
}
/**
* Get the name of the compression method.
* @return the string "GZip".
*/
protected String getCompressionName() {
return "GZip";
}
}
|
