DirectoryStream.Filter (Java SE 21 & JDK 21)
Description: declaration: module: java.base, package: java.nio.file, interface: DirectoryStream, interface: Filter
Keywords: java.nio.file.DirectoryStream.Filter interface

Module java.base
Package java.nio.file

# Interface DirectoryStream.Filter<T>

Type Parameters:
  `T` - the type of the directory entry

Enclosing interface:
  `DirectoryStream<T>`

Functional Interface:
  This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@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.

Since:
  1.7

- ## Method Summary

  Modifier and Type
  Method
  Description
  `boolean`
  `accept(T entry)`
  Decides if the given directory entry should be accepted or filtered.

- ## Method Details

  - ### accept

    boolean accept(T entry) throws IOException
    Decides if the given directory entry should be accepted or filtered.
    Parameters:
      `entry` - the directory entry to be tested
    Returns:
      `true` if the directory entry should be accepted
    Throws:
      `IOException` - If an I/O error occurs