cn.hutool.core.io.copy

Class StreamCopier

java.lang.Object

cn.hutool.core.io.copy.IoCopier<InputStream,OutputStream>

cn.hutool.core.io.copy.StreamCopier

public class StreamCopier
extends IoCopier<InputStream,OutputStream>

InputStream 向 OutputStream 拷贝

Since:

5.7.8

Author:

looly

Field Summary

Fields inherited from class cn.hutool.core.io.copy.IoCopier

bufferSize, count, flushEveryBuffer, progress

Constructor Summary

Constructors

Constructor and Description
StreamCopier() 构造
StreamCopier(int bufferSize) 构造
StreamCopier(int bufferSize, long count) 构造
StreamCopier(int bufferSize, long count, StreamProgress progress) 构造

Method Summary

Modifier and Type	Method and Description
long	copy(InputStream source, OutputStream target) 执行拷贝

Methods inherited from class cn.hutool.core.io.copy.IoCopier

bufferSize, setFlushEveryBuffer

Methods inherited from class java.lang.Object

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

Constructor Detail

StreamCopier

public StreamCopier()

构造

StreamCopier

public StreamCopier(int bufferSize)

构造

Parameters:

bufferSize - 缓存大小

StreamCopier

public StreamCopier(int bufferSize,
                    long count)

构造

Parameters:

bufferSize - 缓存大小

count - 拷贝总数

StreamCopier

public StreamCopier(int bufferSize,
                    long count,
                    StreamProgress progress)

构造

Parameters:

bufferSize - 缓存大小

count - 拷贝总数

progress - 进度条

Method Detail

copy

public long copy(InputStream source,
                 OutputStream target)

Description copied from class: IoCopier

执行拷贝

Specified by:

copy in class IoCopier<InputStream,OutputStream>

Parameters:

source - 拷贝源，如InputStream、Reader等

target - 拷贝目标，如OutputStream、Writer等

Returns:

拷贝的实际长度