SimpleFileVisitor
public
class
SimpleFileVisitor
extends Object
implements
FileVisitor<T>
java.lang.Object | |
↳ | java.nio.file.SimpleFileVisitor<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.
Summary
Protected constructors | |
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SimpleFileVisitor()
Initializes a new instance of this class. |
Public methods | |
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FileVisitResult
|
postVisitDirectory(T dir, IOException exc)
Invoked for a directory after entries in the directory, and all of their descendants, have been visited. |
FileVisitResult
|
preVisitDirectory(T dir, BasicFileAttributes attrs)
Invoked for a directory before entries in the directory are visited. |
FileVisitResult
|
visitFile(T file, BasicFileAttributes attrs)
Invoked for a file in a directory. |
FileVisitResult
|
visitFileFailed(T file, IOException exc)
Invoked for a file that could not be visited. |
Inherited methods | |
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Protected constructors
SimpleFileVisitor
protected SimpleFileVisitor ()
Initializes a new instance of this class.
Public methods
postVisitDirectory
public FileVisitResult postVisitDirectory (T dir, IOException exc)
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.
Parameters | |
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dir |
T : a reference to the directory |
exc |
IOException : 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 | |
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FileVisitResult |
the visit result |
Throws | |
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IOException |
preVisitDirectory
public FileVisitResult preVisitDirectory (T dir, BasicFileAttributes attrs)
Invoked for a directory before entries in the directory are visited.
Unless overridden, this method returns CONTINUE
.
Parameters | |
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dir |
T : a reference to the directory |
attrs |
BasicFileAttributes : the directory's basic attributes |
Returns | |
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FileVisitResult |
the visit result |
Throws | |
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IOException |
visitFile
public FileVisitResult visitFile (T file, BasicFileAttributes attrs)
Invoked for a file in a directory.
Unless overridden, this method returns CONTINUE
.
Parameters | |
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file |
T : a reference to the file |
attrs |
BasicFileAttributes : the file's basic attributes |
Returns | |
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FileVisitResult |
the visit result |
Throws | |
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IOException |
visitFileFailed
public FileVisitResult visitFileFailed (T file, IOException exc)
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.
Parameters | |
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file |
T : a reference to the file |
exc |
IOException : the I/O exception that prevented the file from being visited |
Returns | |
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FileVisitResult |
the visit result |
Throws | |
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IOException |