cn.hutool.core.compress

Class Deflate

java.lang.Object

cn.hutool.core.compress.Deflate

All Implemented Interfaces:

Closeable, AutoCloseable

public class Deflate
extends Object
implements Closeable

Deflate算法
Deflate是同时使用了LZ77算法与哈夫曼编码（Huffman Coding）的一个无损数据压缩算法。

Since:

5.7.8

Author:

looly

Constructor Summary

Constructors

Constructor and Description
Deflate(InputStream source, OutputStream target, boolean nowrap) 构造

Method Summary

Modifier and Type	Method and Description
void	close()
Deflate	deflater(int level) 将普通数据流压缩
OutputStream	getTarget() 获取目标流
Deflate	inflater() 将压缩流解压到target中
static Deflate	of(InputStream source, OutputStream target, boolean nowrap) 创建Deflate

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Deflate

public Deflate(InputStream source,
               OutputStream target,
               boolean nowrap)

构造

Parameters:

source - 源流

target - 目标流

nowrap - true表示兼容Gzip压缩

Method Detail

of

public static Deflate of(InputStream source,
                         OutputStream target,
                         boolean nowrap)

创建Deflate

Parameters:

source - 源流

target - 目标流

nowrap - true表示兼容Gzip压缩

Returns:

this

getTarget

public OutputStream getTarget()

获取目标流

Returns:

目标流

deflater

public Deflate deflater(int level)

将普通数据流压缩

Parameters:

level - 压缩级别，0~9

Returns:

this

inflater

public Deflate inflater()

将压缩流解压到target中

Returns:

this

close

public void close()

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable