- java.lang.Object
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- java.nio.file.SimpleFileVisitor<T>
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- 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
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Constructor Summary
Constructors Modifier Constructor Description protectedSimpleFileVisitor()Initializes a new instance of this class.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description FileVisitResultpostVisitDirectory(T dir, IOException exc)Invoked for a directory after entries in the directory, and all of their descendants, have been visited.FileVisitResultpreVisitDirectory(T dir, BasicFileAttributes attrs)Invoked for a directory before entries in the directory are visited.FileVisitResultvisitFile(T file, BasicFileAttributes attrs)Invoked for a file in a directory.FileVisitResultvisitFileFailed(T file, IOException exc)Invoked for a file that could not be visited.
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Method Detail
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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:
preVisitDirectoryin interfaceFileVisitor<T>- Parameters:
dir- a reference to the directoryattrs- the directory's basic attributes- Returns:
- the visit result
- Throws:
IOException- if an I/O error occurs
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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:
visitFilein interfaceFileVisitor<T>- Parameters:
file- a reference to the fileattrs- the file's basic attributes- Returns:
- the visit result
- Throws:
IOException- if an I/O error occurs
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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:
visitFileFailedin interfaceFileVisitor<T>- Parameters:
file- a reference to the fileexc- the I/O exception that prevented the file from being visited- Returns:
- the visit result
- Throws:
IOException- if an I/O error occurs
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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
CONTINUEif 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:
postVisitDirectoryin interfaceFileVisitor<T>- Parameters:
dir- a reference to the directoryexc-nullif 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
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