cn.hutool.core.io.file

Class Tailer

java.lang.Object

cn.hutool.core.io.file.Tailer

All Implemented Interfaces:

Serializable

public class Tailer
extends Object
implements Serializable

文件内容跟随器，实现类似Linux下"tail -f"命令功能

Since:

4.5.2

Author:

looly

See Also:

Serialized Form

Nested Class Summary

Nested Classes

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

Field Summary

Fields

Modifier and Type	Field and Description
static LineHandler	CONSOLE_HANDLER

Constructor Summary

Constructors

Constructor and Description
Tailer(File file, Charset charset, LineHandler lineHandler) 构造
Tailer(File file, Charset charset, LineHandler lineHandler, int initReadLine, long period) 构造
Tailer(File file, LineHandler lineHandler) 构造，默认UTF-8编码
Tailer(File file, LineHandler lineHandler, int initReadLine) 构造，默认UTF-8编码

Method Summary

Modifier and Type	Method and Description
void	setStopOnDelete(boolean stopOnDelete) 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 Detail

CONSOLE_HANDLER

public static final LineHandler CONSOLE_HANDLER

Constructor Detail

Tailer

public Tailer(File file,
              LineHandler lineHandler)

构造，默认UTF-8编码

Parameters:

file - 文件

lineHandler - 行处理器

Tailer

public Tailer(File file,
              LineHandler 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

Tailer

public Tailer(File file,
              Charset charset,
              LineHandler lineHandler)

构造

Parameters:

file - 文件

charset - 编码

lineHandler - 行处理器

Tailer

public Tailer(File file,
              Charset charset,
              LineHandler 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 Detail

setStopOnDelete

public void setStopOnDelete(boolean stopOnDelete)

设置删除文件后是否退出并抛出异常

Parameters:

stopOnDelete - 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