Package tech.mgl.core.stream

Class MGLIOCopier<S,T>

java.lang.Object

tech.mgl.core.stream.MGLIOCopier<S,T>

Direct Known Subclasses:

MGLChannelCopier, MGLStreamCopier

public abstract class MGLIOCopier<S,T>
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
protected final int	bufferSize
protected final long	count	拷贝总数
protected boolean	flushEveryBuffer	是否每次写出一个buffer内容就执行flush
protected MGLStreamProgress	progress	进度条

Constructor Summary

Constructors

Constructor	Description
MGLIOCopier(int bufferSize, long count, MGLStreamProgress progress)	构造

Method Summary

Modifier and Type	Method	Description
protected int	bufferSize(long count)	缓存大小，取默认缓存和目标长度最小值
abstract long	copy(S source, T target)	执行拷贝
MGLIOCopier<S,T>	setFlushEveryBuffer(boolean flushEveryBuffer)	设置是否每次写出一个buffer内容就执行flush

Methods inherited from class java.lang.Object

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

Field Details

bufferSize

protected final int bufferSize

count

protected final long count

拷贝总数

progress

protected MGLStreamProgress progress

进度条

flushEveryBuffer

protected boolean flushEveryBuffer

是否每次写出一个buffer内容就执行flush

Constructor Details

MGLIOCopier

public MGLIOCopier(int bufferSize,
 long count,
 MGLStreamProgress progress)

构造

Parameters:

bufferSize - 缓存大小，< 0 表示默认MGL_StreamUtils.DEFAULT_BUFFER_SIZE

count - 拷贝总数，-1表示无限制

progress - 进度条

Method Details

copy

public abstract long copy(S source,
 T target)

执行拷贝

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

bufferSize

protected int bufferSize(long count)

缓存大小，取默认缓存和目标长度最小值

Parameters:

count - 目标长度

Returns:

缓存大小

setFlushEveryBuffer

public MGLIOCopier<S,T> setFlushEveryBuffer(boolean flushEveryBuffer)

设置是否每次写出一个buffer内容就执行flush

Parameters:

flushEveryBuffer - 是否每次写出一个buffer内容就执行flush

Returns:

this

Since:

5.7.18