Module bus.http

Package org.miaixz.bus.http.plugin.httpv

Class Downloads

java.lang.Object

org.miaixz.bus.http.plugin.httpv.Downloads

public class Downloads
extends Object

文件下载

Since:

Java 17+

Author:

Kimi Liu

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
class	Downloads.Control
class	Downloads.Failure
static interface	Downloads.Listener	下载监听接口

Field Summary

Fields

Modifier and Type	Field	Description
protected boolean	nextOnIO

Constructor Summary

Constructors

Constructor	Description
Downloads(File file, InputStream input, CoverTasks.Executor executor, long skipBytes)

Method Summary

Modifier and Type	Method	Description
Downloads.Control	getCtrl()	获取下载控制器
Downloads	nextOnIO()	在IO线程执行
Downloads	setAppended()	设置文件追加模式 用预断点续传和分块下载
Downloads	setBuffSize(int buffSize)	设置缓冲区大小，默认 2K（2048）
Downloads	setFilePointer(long seekBytes)	设置文件指针，从文件的 seekBytes 位置追加内容
Downloads	setOnFailure(Callback<Downloads.Failure> onFailure)	设置下载失败回调
Downloads	setOnSuccess(Callback<File> onSuccess)	设置下载成功回调
Downloads.Control	start()	开始下载

Methods inherited from class java.lang.Object

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

Field Details

nextOnIO

protected boolean nextOnIO

Constructor Details

Downloads

public Downloads(File file,
 InputStream input,
 CoverTasks.Executor executor,
 long skipBytes)

Method Details

setBuffSize

public Downloads setBuffSize(int buffSize)

设置缓冲区大小，默认 2K（2048）

Parameters:

buffSize - 缓冲区大小（单位：字节）

Returns:

Download

setAppended

public Downloads setAppended()

设置文件追加模式 用预断点续传和分块下载

Returns:

Download

setFilePointer

public Downloads setFilePointer(long seekBytes)

设置文件指针，从文件的 seekBytes 位置追加内容

Parameters:

seekBytes - 跨越的字节数

Returns:

Download

nextOnIO

public Downloads nextOnIO()

在IO线程执行

Returns:

Download

setOnSuccess

public Downloads setOnSuccess(Callback<File> onSuccess)

设置下载成功回调

Parameters:

onSuccess - 成功回调函数

Returns:

Download

setOnFailure

public Downloads setOnFailure(Callback<Downloads.Failure> onFailure)

设置下载失败回调

Parameters:

onFailure - 失败回调函数

Returns:

Download

start

public Downloads.Control start()

开始下载

Returns:

下载控制器

getCtrl

public Downloads.Control getCtrl()

获取下载控制器

Returns:

Ctrl