程序包 java.nio.file

接口 DirectoryStream.Filter<T>

类型参数:

T - the type of the directory entry

封闭接口:

DirectoryStream<T>

函数接口:

这是一个函数接口, 因此可用作 lambda 表达式或方法引用的赋值目标。

@FunctionalInterface
public static interface DirectoryStream.Filter<T>

An interface that is implemented by objects that decide if a directory entry should be accepted or filtered. A Filter is passed as the parameter to the Files#newDirectoryStream(Path,DirectoryStream.Filter) method when opening a directory to iterate over the entries in the directory.

从以下版本开始:

1.7

方法概要

限定符和类型	方法	说明
boolean	accept(T entry)	Decides if the given directory entry should be accepted or filtered.

方法详细资料

accept

boolean accept(T entry)
        throws IOException

Decides if the given directory entry should be accepted or filtered.

参数:

entry - the directory entry to be tested

返回:

true if the directory entry should be accepted

抛出:

IOException - If an I/O error occurs