blob: 3906c7bcc0c717b393ca57da87c5f7e945263e8f (
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
|
/*
* Copyright 2008 Google Inc.
*
* Licensed 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 com.tonicsystems.jarjar.util;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.nio.charset.Charset;
import java.util.zip.ZipOutputStream;
/** Utils for IO. */
public final class IoUtil {
/**
* Create a ZipOutputStream with buffering.
*
* <p>Buffering is critical to performance because the ZIP format has a lot of small header
* segments, which each trigger an OS write call otherwise.
*/
public static ZipOutputStream bufferedZipOutput(File file) throws IOException {
return new ZipOutputStream(new BufferedOutputStream(new FileOutputStream(file)));
}
public static PrintWriter bufferedPrintWriter(OutputStream stream, Charset charset) {
return new PrintWriter(new OutputStreamWriter(new BufferedOutputStream(stream), charset));
}
private IoUtil() {}
}
|
