edu.illinois.ncsa.domain.impl

Class FileStorageDisk

java.lang.Object

edu.illinois.ncsa.domain.impl.FileStorageDisk

All Implemented Interfaces:

FileStorage

public class FileStorageDisk
extends Object
implements FileStorage

Stores files on disk. This class has 2 parameters, level and folder. The default is to store the files in the temp folder and have 2 levels. The levels are to prevent to many files in a single folder.

Author:

Rob Kooper

Constructor Summary

Constructors

Constructor and Description
FileStorageDisk()

Method Summary

Methods

Modifier and Type	Method and Description
boolean	deleteFile(FileDescriptor fd) Deletes file from storage
String	getFolder()
int	getLevels()
InputStream	readFile(FileDescriptor fd) Read file from storage
void	setFolder(String folder)
void	setLevels(int levels)
URL	storeFile(FileDescriptor fd, InputStream is) Store file in file storage system
FileDescriptor	storeFile(InputStream is) Store file in file storage system
FileDescriptor	storeFile(String filename, InputStream is) Store file in file storage system
FileDescriptor	storeFile(String id, String filename, InputStream is) Store file in file storage system

Methods inherited from class java.lang.Object

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

Constructor Detail

FileStorageDisk

public FileStorageDisk()

Method Detail

getLevels

public int getLevels()

Returns:

the levels

setLevels

public void setLevels(int levels)

Parameters:

levels - the levels to set

getFolder

public String getFolder()

Returns:

the folder

setFolder

public void setFolder(String folder)

Parameters:

folder - the folder to set

storeFile

public FileDescriptor storeFile(InputStream is)
                         throws IOException

Description copied from interface: FileStorage

Store file in file storage system

Specified by:

storeFile in interface FileStorage

Parameters:

is - - inputstream of the file to store

Returns:

FileDescriptor for the stored file

Throws:

IOException - if an I/O error occurs

storeFile

public FileDescriptor storeFile(String filename,
                       InputStream is)
                         throws IOException

Description copied from interface: FileStorage

Store file in file storage system

Specified by:

storeFile in interface FileStorage

Parameters:

filename - - name of the file

is - - inputstream of the file to store

Returns:

FileDescriptor for the stored file

Throws:

IOException - if an I/O error occurs

storeFile

public URL storeFile(FileDescriptor fd,
            InputStream is)
              throws IOException

Description copied from interface: FileStorage

Store file in file storage system

Specified by:

storeFile in interface FileStorage

Parameters:

fd - - file descriptor to store the file with

is - - inputstream of the file to store

Returns:

URL of stored file

Throws:

IOException - if an I/O error occurs

storeFile

public FileDescriptor storeFile(String id,
                       String filename,
                       InputStream is)
                         throws IOException

Description copied from interface: FileStorage

Store file in file storage system

Specified by:

storeFile in interface FileStorage

Parameters:

id - - descriptor id to store the file with

filename - - name of the file

is - - inputstream of the file to store

Returns:

FileDescriptor for the stored file

Throws:

IOException - if an I/O error occurs

deleteFile

public boolean deleteFile(FileDescriptor fd)

Description copied from interface: FileStorage

Deletes file from storage

Specified by:

deleteFile in interface FileStorage

Parameters:

fd - - File descriptor representing the file to delete

Returns:

true if the delete operation was successful.

readFile

public InputStream readFile(FileDescriptor fd)
                     throws IOException

Description copied from interface: FileStorage

Read file from storage

Specified by:

readFile in interface FileStorage

Parameters:

fd - FileDescriptor of file to read

Returns:

Inpustream of the file

Throws:

IOException - if an I/O error occurs