Class TempFile

java.lang.Object

de.xima.fc.io.TempFile

All Implemented Interfaces:

Serializable, AutoCloseable

public final class TempFile
extends Object
implements AutoCloseable, Serializable

An AutoCloseable wrapper for a File that deletes that file when closed.

Author:

XIMA MEDIA GmbH

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
TempFile(File file)	Creates a new temp file.
TempFile(Path file)	Creates a new temp file.

Method Summary

Modifier and Type	Method	Description
void	close()
static TempFile	create(String prefix, String suffix, FileAttribute<?>... attrs)	Creates a temporary file, wraps it in a TempFile and returns it.
static TempFile	create(Path directory, String prefix, String suffix, FileAttribute<?>... attrs)	Creates a temporary file, wraps it in a TempFile and returns it.
File	getFile()
Path	getPath()

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

TempFile

public TempFile(File file)

Creates a new temp file. The given file will be deleted when this instance if closed.

Parameters:

file - File to wrap.

TempFile

public TempFile(Path file)

Creates a new temp file. The given file will be deleted when this instance if closed.

Parameters:

file - File to wrap.

Method Details

close

public void close()

Specified by:

close in interface AutoCloseable

getFile

public File getFile()

Returns:

The wrapped file.

getPath

public Path getPath()

Returns:

The wrapped file.

create

public static TempFile create(Path directory,
 String prefix,
 String suffix,
 FileAttribute<?>... attrs)
                       throws IOException

Creates a temporary file, wraps it in a TempFile and returns it. This method is a convenience method for wrapping a temporary file created with Files.createTempFile(Path, String, String, FileAttribute[]).

Parameters:

directory - the path to directory in which to create the file

prefix - The prefix string to be used in generating the file's name; may be null.

suffix - The suffix string to be used in generating the file's name; may be null, in which case ".tmp" is used

attrs - An optional list of file attributes to set atomically when creating the file

Returns:

The newly created temp file.

Throws:

IllegalArgumentException - If the prefix or suffix parameters cannot be used to generate a candidate file name.

UnsupportedOperationException - If the array contains an attribute that cannot be set atomically when creating the directory

IOException - If an I/O error occurs or dir does not exist.

SecurityException - In the case of the default provider, and a security manager is installed, the checkWrite method is invoked to check write access to the file.

create

public static TempFile create(String prefix,
 String suffix,
 FileAttribute<?>... attrs)
                       throws IOException

Creates a temporary file, wraps it in a TempFile and returns it. This method is a convenience method for wrapping a temporary file created with Files.createTempFile(String, String, FileAttribute[]).

Parameters:

prefix - The prefix string to be used in generating the file's name; may be null.

suffix - The suffix string to be used in generating the file's name; may be null, in which case ".tmp" is used

attrs - An optional list of file attributes to set atomically when creating the file

Returns:

The newly created temp file.

Throws:

IllegalArgumentException - If the prefix or suffix parameters cannot be used to generate a candidate file name.

UnsupportedOperationException - If the array contains an attribute that cannot be set atomically when creating the directory

IOException - If an I/O error occurs or dir does not exist.

SecurityException - In the case of the default provider, and a security manager is installed, the checkWrite method is invoked to check write access to the file.