1 /*
2 * Copyright (C) 2005-2015 Schlichtherle IT Services.
3 * All rights reserved. Use is subject to license terms.
4 */
5 package net.java.truevfs.comp.zip;
6
7 import net.java.truecommons.shed.HashMaps;
8 import java.nio.charset.Charset;
9 import java.util.zip.Deflater;
10 import javax.annotation.concurrent.ThreadSafe;
11
12 /**
13 * Default implementation of {@link ZipOutputStreamParameters}.
14 *
15 * @author Christian Schlichtherle
16 */
17 @ThreadSafe
18 class DefaultZipOutputStreamParameters
19 extends DefaultZipCharsetParameters
20 implements ZipOutputStreamParameters {
21
22 DefaultZipOutputStreamParameters(Charset charset) {
23 super(charset);
24 }
25
26 /**
27 * {@inheritDoc}
28 * <p>
29 * The implementation in the class {@link DefaultZipOutputStreamParameters}
30 * returns {@code Maps#OVERHEAD_SIZE}.
31 */
32 @Override
33 public int getOverheadSize() {
34 return HashMaps.OVERHEAD_SIZE;
35 }
36
37 /**
38 * {@inheritDoc}
39 * <p>
40 * The implementation in the class {@link DefaultZipOutputStreamParameters}
41 * returns {@code ZipEntry#DEFLATED}.
42 */
43 @Override
44 public int getMethod() {
45 return ZipEntry.DEFLATED;
46 }
47
48 /**
49 * {@inheritDoc}
50 * <p>
51 * The implementation in the class {@link DefaultZipOutputStreamParameters}
52 * returns {@code Deflater#DEFAULT_COMPRESSION}.
53 */
54 @Override
55 public int getLevel() {
56 return Deflater.DEFAULT_COMPRESSION;
57 }
58 }