Package org.miaixz.bus.core.io.file

Class FileTailer

java.lang.Object

org.miaixz.bus.core.io.file.FileTailer

All Implemented Interfaces:

Serializable

public class FileTailer
extends Object
implements Serializable

文件内容跟随器，实现类似Linux下"tail -f"命令功能

Since:

Java 17+

Author:

Kimi Liu

See Also:

• Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	FileTailer.ConsoleLineHandler	命令行打印的行处理器

Field Summary

Fields

Modifier and Type	Field	Description
static final ConsumerX<String>	CONSOLE_HANDLER	控制台打印的处理类

Constructor Summary

Constructors

Constructor	Description
FileTailer(File file, Charset charset, ConsumerX<String> lineHandler)	构造
FileTailer(File file, Charset charset, ConsumerX<String> lineHandler, int initReadLine, long period)	构造
FileTailer(File file, ConsumerX<String> lineHandler)	构造，默认UTF-8编码
FileTailer(File file, ConsumerX<String> lineHandler, int initReadLine)	构造，默认UTF-8编码

Method Summary

Modifier and Type	Method	Description
void	setStopOnRemove(boolean stopOnRemove)	设置删除文件后是否退出并抛出异常
void	start()	开始监听
void	start(boolean async)	开始监听
void	stop()	结束，此方法需在异步模式或

Methods inherited from class java.lang.Object

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

Field Details

CONSOLE_HANDLER

public static final ConsumerX<String> CONSOLE_HANDLER

控制台打印的处理类

Constructor Details

FileTailer

public FileTailer(File file,
 ConsumerX<String> lineHandler)

构造，默认UTF-8编码

Parameters:

file - 文件

lineHandler - 行处理器

FileTailer

public FileTailer(File file,
 ConsumerX<String> lineHandler,
 int initReadLine)

构造，默认UTF-8编码

Parameters:

file - 文件

lineHandler - 行处理器

initReadLine - 启动时预读取的行数，1表示一行

FileTailer

public FileTailer(File file,
 Charset charset,
 ConsumerX<String> lineHandler)

构造

Parameters:

file - 文件

charset - 编码

lineHandler - 行处理器

FileTailer

public FileTailer(File file,
 Charset charset,
 ConsumerX<String> lineHandler,
 int initReadLine,
 long period)

构造

Parameters:

file - 文件

charset - 编码

lineHandler - 行处理器

initReadLine - 启动时预读取的行数，1表示一行

period - 检查间隔

Method Details

setStopOnRemove

public void setStopOnRemove(boolean stopOnRemove)

设置删除文件后是否退出并抛出异常

Parameters:

stopOnRemove - 删除文件后是否退出并抛出异常

start

public void start()

开始监听

start

public void start(boolean async)

开始监听

Parameters:

async - 是否异步执行

stop

public void stop()

结束，此方法需在异步模式或