org.egothor.io

Class FileLocal

java.lang.Object

org.egothor.io.File

org.egothor.io.FileLocal

public class FileLocal
extends File

This class is part of the Egothor Project

Author:

Leo Galambos

Constructor Summary

Constructors

Constructor and Description
FileLocal(String filename) Constructor for the FileLocal object

Method Summary

Modifier and Type	Method and Description
boolean	createNewFile() Atomically creates a new, empty file named by this abstract pathname if and only if a file with this name does not yet exist.
void	delete() Deletes the file or the whole directory.
boolean	exists() Test whether this file exists on the filesystem.
String	getCanonicalPath() Return the unique filename of this file.
String	getFullPath() Return the path of this file.
File	getJavaFile()
String	getName()
boolean	isDirectory()
long	length() Return the length of the file denoted by this abstract pathname.
File[]	listFiles()
boolean	mkdir() Creates the directory.
void	mkparentdirs()
File	newFile(String relativePath) Constructs a sub-file.
DataOutputStream	open4append() Description of the Method
DataInputStream	open4gzipread() Description of the Method
DataOutputStream	open4gziprewrite() Open for write discarding the content of the file.
DataInputStream	open4read(long offset) Description of the Method
DataInputStream	open4readseek(long offset) Description of the Method
DataOutputStream	open4rewrite() Description of the Method
DataInputOutputStream	open4rw(long offset) This method returns R/W stream with initial seek at a given offset position.
void	renameTo(File dest)
long	timestamp() Return the timestamp of this file, or -1 when the file does not exist.

Methods inherited from class java.lang.Object

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

Constructor Detail

FileLocal

public FileLocal(String filename)

Constructor for the FileLocal object

Parameters:

filename - Description of the Parameter

Method Detail

length

public long length()

Description copied from class: File

Return the length of the file denoted by this abstract pathname.

Specified by:

length in class File

listFiles

public File[] listFiles()

Specified by:

listFiles in class File

Returns:

newFile

public File newFile(String relativePath)

Description copied from class: File

Constructs a sub-file.

Specified by:

newFile in class File

timestamp

public long timestamp()

Description copied from class: File

Return the timestamp of this file, or -1 when the file does not exist.

Specified by:

timestamp in class File

getFullPath

public String getFullPath()

Description copied from class: File

Return the path of this file.

Specified by:

getFullPath in class File

renameTo

public void renameTo(File dest)
              throws IOException

Specified by:

renameTo in class File

Parameters:

dest -

Throws:

IOException

open4read

public DataInputStream open4read(long offset)
                          throws IOException

Description of the Method

Specified by:

open4read in class File

Returns:

Description of the Return Value

Throws:

IOException - Description of the Exception

open4readseek

public DataInputStream open4readseek(long offset)
                              throws IOException

Description of the Method

Specified by:

open4readseek in class File

Returns:

Description of the Return Value

Throws:

IOException - Description of the Exception

mkdir

public boolean mkdir()
              throws IOException

Description copied from class: File

Creates the directory.

Specified by:

mkdir in class File

Returns:

true iff the directory was created along with all necessary directories

Throws:

IOException

mkparentdirs

public final void mkparentdirs()

Specified by:

mkparentdirs in class File

open4append

public DataOutputStream open4append()
                             throws IOException

Description of the Method

Specified by:

open4append in class File

Returns:

Description of the Return Value

Throws:

IOException - Description of the Exception

open4rewrite

public DataOutputStream open4rewrite()
                              throws IOException

Description of the Method

Specified by:

open4rewrite in class File

Returns:

Description of the Return Value

Throws:

IOException - Description of the Exception

open4rw

public DataInputOutputStream open4rw(long offset)
                              throws IOException

This method returns R/W stream with initial seek at a given offset position. The stream should be used with care as it is not cached at all.

Specified by:

open4rw in class File

Parameters:

offset - the initial offset position

Throws:

IOException

delete

public void delete()

Deletes the file or the whole directory.

Specified by:

delete in class File

exists

public boolean exists()

Description copied from class: File

Test whether this file exists on the filesystem.

Specified by:

exists in class File

createNewFile

public boolean createNewFile()
                      throws IOException

Description copied from class: File

Atomically creates a new, empty file named by this abstract pathname if and only if a file with this name does not yet exist. The check for the existence of the file and the creation of the file if it does not exist are a single operation that is atomic with respect to all other filesystem activities that might affect the file.

Specified by:

createNewFile in class File

Returns:

true iff file does not exist and was successfully created

Throws:

IOException

open4gzipread

public DataInputStream open4gzipread()
                              throws IOException

Description copied from class: File

Description of the Method

Specified by:

open4gzipread in class File

Returns:

Description of the Return Value

Throws:

IOException - Description of the Exception

open4gziprewrite

public DataOutputStream open4gziprewrite()
                                  throws IOException

Description copied from class: File

Open for write discarding the content of the file.

Specified by:

open4gziprewrite in class File

Returns:

Description of the Return Value

Throws:

IOException - Description of the Exception

getCanonicalPath

public String getCanonicalPath()
                        throws IOException

Description copied from class: File

Return the unique filename of this file.

Specified by:

getCanonicalPath in class File

Throws:

IOException

isDirectory

public boolean isDirectory()

Specified by:

isDirectory in class File

Returns:

getName

public String getName()

Specified by:

getName in class File

Returns:

getJavaFile

public File getJavaFile()

Specified by:

getJavaFile in class File

Returns: