Module java.base
Package java.nio.file

Class SimpleFileVisitor<T>

java.lang.Object
java.nio.file.SimpleFileVisitor<T>
Type Parameters:
T - The type of reference to the files
All Implemented Interfaces:
FileVisitor<T>
public class SimpleFileVisitor<T> extends Object implements FileVisitor<T>
A simple visitor of files with default behavior to visit all files and to re-throw I/O errors.

Methods in this class may be overridden subject to their general contract.

Since:
1.7

  • Constructor Details

    • SimpleFileVisitor

      protected SimpleFileVisitor()
      Initializes a new instance of this class.

  • Method Details

    • preVisitDirectory

      public FileVisitResult preVisitDirectory​(T dir, BasicFileAttributes attrs) throws IOException
      Invoked for a directory before entries in the directory are visited.

      Unless overridden, this method returns CONTINUE.

      Specified by:
      preVisitDirectory in interface FileVisitor<T>
      Parameters:
      dir - a reference to the directory
      attrs - the directory's basic attributes
      Returns:
      the visit result
      Throws:
      IOException - if an I/O error occurs

    • visitFile

      public FileVisitResult visitFile​(T file, BasicFileAttributes attrs) throws IOException
      Invoked for a file in a directory.

      Unless overridden, this method returns CONTINUE.

      Specified by:
      visitFile in interface FileVisitor<T>
      Parameters:
      file - a reference to the file
      attrs - the file's basic attributes
      Returns:
      the visit result
      Throws:
      IOException - if an I/O error occurs

    • visitFileFailed

      public FileVisitResult visitFileFailed​(T file, IOException exc) throws IOException
      Invoked for a file that could not be visited.

      Unless overridden, this method re-throws the I/O exception that prevented the file from being visited.

      Specified by:
      visitFileFailed in interface FileVisitor<T>
      Parameters:
      file - a reference to the file
      exc - the I/O exception that prevented the file from being visited
      Returns:
      the visit result
      Throws:
      IOException - if an I/O error occurs

    • postVisitDirectory

      public FileVisitResult postVisitDirectory​(T dir, IOException exc) throws IOException
      Invoked for a directory after entries in the directory, and all of their descendants, have been visited.

      Unless overridden, this method returns CONTINUE if the directory iteration completes without an I/O exception; otherwise this method re-throws the I/O exception that caused the iteration of the directory to terminate prematurely.

      Specified by:
      postVisitDirectory in interface FileVisitor<T>
      Parameters:
      dir - a reference to the directory
      exc - null if the iteration of the directory completes without an error; otherwise the I/O exception that caused the iteration of the directory to complete prematurely
      Returns:
      the visit result
      Throws:
      IOException - if an I/O error occurs