cn.hutool.core.io.file.visitor

Class DelVisitor

java.lang.Object

java.nio.file.SimpleFileVisitor<Path>

cn.hutool.core.io.file.visitor.DelVisitor

All Implemented Interfaces:

FileVisitor<Path>

public class DelVisitor
extends SimpleFileVisitor<Path>

删除操作的FileVisitor实现，用于递归遍历删除文件夹

Since:

5.5.1

Author:

looly

Field Summary

Fields

Modifier and Type	Field and Description
static DelVisitor	INSTANCE

Constructor Summary

Constructors

Constructor and Description
DelVisitor()

Method Summary

Modifier and Type	Method and Description
FileVisitResult	postVisitDirectory(Path dir, IOException e) 访问目录结束后删除目录，当执行此方法时，子文件或目录都已访问（删除）完毕 理论上当执行到此方法时，目录下已经被清空了
FileVisitResult	visitFile(Path file, BasicFileAttributes attrs)

Methods inherited from class java.nio.file.SimpleFileVisitor

preVisitDirectory, visitFileFailed

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static DelVisitor INSTANCE

Constructor Detail

DelVisitor

public DelVisitor()

Method Detail

visitFile

public FileVisitResult visitFile(Path file,
                                 BasicFileAttributes attrs)
                          throws IOException

Specified by:

visitFile in interface FileVisitor<Path>

Overrides:

visitFile in class SimpleFileVisitor<Path>

Throws:

IOException

postVisitDirectory

public FileVisitResult postVisitDirectory(Path dir,
                                          IOException e)
                                   throws IOException

访问目录结束后删除目录，当执行此方法时，子文件或目录都已访问（删除）完毕
理论上当执行到此方法时，目录下已经被清空了

Specified by:

postVisitDirectory in interface FileVisitor<Path>

Overrides:

postVisitDirectory in class SimpleFileVisitor<Path>

Parameters:

dir - 目录

e - 异常

Returns:

FileVisitResult

Throws:

IOException - IO异常