DirectoryStream.Filter (Java SE 11 & JDK 11 )
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

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `boolean` | `accept​(T entry)` | Decides if the given directory entry should be accepted or filtered.

- - ### Method Detail

    - #### 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