Package edu.cornell.mannlib.vitro.webapp.filestorage.impl

Class FileStorageImpl

java.lang.Object

edu.cornell.mannlib.vitro.webapp.filestorage.impl.FileStorageImpl

public class FileStorageImpl
extends Object

The default implementation of FileStorage.

Field Summary

Fields

Modifier and Type	Field	Description
static String	FILE_STORAGE_NAMESPACES_PROPERTIES	The name of the file in the base directory that holds the namespace map.
static String	FILE_STORAGE_ROOT	The name of the root directory, within the base directory.
static int	SHORTY_LENGTH	How often to we insert path separator characters?

Method Summary

Modifier and Type	Method	Description
void	createFile(String id, String filename, InputStream bytes)	Before creating the file, we may need to create one or more parent directories to put it in.
boolean	deleteFile(String id)	If deleting this file leaves its parent directory empty, that directory will be deleted.
String	getFilename(String id)	For a non-null result, a directory must exist for the ID, and it must contain a file (it may or may not contain other directories).
InputStream	getInputStream(String id, String filename)

Methods inherited from class java.lang.Object

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

Field Detail

FILE_STORAGE_ROOT

public static final String FILE_STORAGE_ROOT

The name of the root directory, within the base directory.

See Also:

Constant Field Values

FILE_STORAGE_NAMESPACES_PROPERTIES

public static final String FILE_STORAGE_NAMESPACES_PROPERTIES

The name of the file in the base directory that holds the namespace map.

See Also:

Constant Field Values

SHORTY_LENGTH

public static final int SHORTY_LENGTH

How often to we insert path separator characters?

See Also:

Constant Field Values

Method Detail

createFile

public void createFile(String id,
                       String filename,
                       InputStream bytes)
                throws FileAlreadyExistsException,
                       IOException

Before creating the file, we may need to create one or more parent directories to put it in.

Throws:

FileAlreadyExistsException

IOException

deleteFile

public boolean deleteFile(String id)
                   throws IOException

If deleting this file leaves its parent directory empty, that directory will be deleted. This repeats, up to (but not including) the root directory.

Throws:

IOException

getFilename

public String getFilename(String id)

For a non-null result, a directory must exist for the ID, and it must contain a file (it may or may not contain other directories).

getInputStream

public InputStream getInputStream(String id,
                                  String filename)
                           throws IOException

Throws:

IOException