er.extensions.foundation
Class ERXFileRepository

java.lang.Object
  er.extensions.foundation.ERXFileRepository

public class ERXFileRepository
extends Object

Allows you to store a large amount of files and folders without the hassles of directory size limitations. The files are stored by an abstract "key" which is by default a ERXRandomGUID. Under the root directory, there will be directories for the first two characters and under these again directories for the next two characters of the GUID.

Author:

ak (original version by Dominik Westner)

Field Summary

protected File

_root

Constructor Summary

protected

ERXFileRepository(File root) Private constructor, as we use the factory methods to create instances.

Method Summary

static ERXFileRepository	addRepository(String name, ERXFileRepository repository) Adds a repository under the given name and the given root directory.
static ERXFileRepository	addRepository(String name, File root) Adds a repository under the given name and the given root directory.
File	createFile() Returns a new file in the repository.
File	getFile(String id) Returns a file for a
File	getRoot() Returns the root directory for the repository.
boolean	hasFile(String id) Returns true if the file is present in the repository and also exists.
static ERXFileRepository	respository(String name) Returns the repository that is registered under the given name.

Methods inherited from class java.lang.Object

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

Field Detail

_root

protected File _root

Constructor Detail

ERXFileRepository

protected ERXFileRepository(File root)

Private constructor, as we use the factory methods to create instances.

Parameters:

root -

Method Detail

createFile

public File createFile()

Returns a new file in the repository. As you can also create directories it does not really create the file, only the path to the file. You can use file.getName() to get at the GUID which is the key to the file.

getFile

public File getFile(String id)

Returns a file for a

Parameters:

id -

hasFile

public boolean hasFile(String id)

Returns true if the file is present in the repository and also exists.

Parameters:

id -

getRoot

public File getRoot()

Returns the root directory for the repository.

respository

public static ERXFileRepository respository(String name)

Returns the repository that is registered under the given name.

Parameters:

name -

addRepository

public static ERXFileRepository addRepository(String name,
                                              File root)

Adds a repository under the given name and the given root directory.

Parameters:

name -

root -

addRepository

public static ERXFileRepository addRepository(String name,
                                              ERXFileRepository repository)

Adds a repository under the given name and the given root directory.

Parameters:

name -

repository -