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

Class FileStorageImplWrapper

java.lang.Object

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

All Implemented Interfaces:

Application.Component, Application.Module, FileStorage

public class FileStorageImplWrapper
extends Object
implements FileStorage

A thin wrapper around the existing FileStorageImpl. Handles the setup.

Nested Class Summary

Nested classes/interfaces inherited from interface edu.cornell.mannlib.vitro.webapp.modules.Application.Component

Application.Component.LifecycleState

Field Summary

Fields

Modifier and Type	Field	Description
static String	FILE_STORAGE_SUBDIRECTORY
static String	PROPERTY_DEFAULT_NAMESPACE

Constructor Summary

Constructors

Constructor	Description
FileStorageImplWrapper()

Method Summary

Modifier and Type	Method	Description
void	createFile(String id, String filename, InputStream bytes)	Store the bytes from this stream as a file with the specified ID and filename.
boolean	deleteFile(String id)	If a file exists with this ID, it will be deleted, regardless of the file name.
String	getFilename(String id)	If a file exists with this ID, get its name.
InputStream	getInputStream(String id, String filename)	Get a stream that will provide the contents of the file that was stored with this ID and this filename.
void	shutdown(Application application)	This should be called only once, and should be the last call on this Component.
void	startup(Application application, ComponentStartupStatus ss)	Create an instance of FileStorageImpl, based on the values in runtime.properties.

Methods inherited from class java.lang.Object

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

Field Detail

PROPERTY_DEFAULT_NAMESPACE

public static final String PROPERTY_DEFAULT_NAMESPACE

See Also:

Constant Field Values

FILE_STORAGE_SUBDIRECTORY

public static final String FILE_STORAGE_SUBDIRECTORY

See Also:

Constant Field Values

Constructor Detail

FileStorageImplWrapper

public FileStorageImplWrapper()

Method Detail

startup

public void startup(Application application,
                    ComponentStartupStatus ss)

Create an instance of FileStorageImpl, based on the values in runtime.properties.

Specified by:

startup in interface Application.Component

shutdown

public void shutdown(Application application)

Description copied from interface: Application.Component

This should be called only once, and should be the last call on this Component.

Specified by:

shutdown in interface Application.Component

createFile

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

Description copied from interface: FileStorage

Store the bytes from this stream as a file with the specified ID and filename. If the file already exists, it is over-written.

Specified by:

createFile in interface FileStorage

Throws:

FileAlreadyExistsException - if a file already exists with this ID but with a different filename.

IOException

getFilename

public String getFilename(String id)
                   throws IOException

Description copied from interface: FileStorage

If a file exists with this ID, get its name.

Specified by:

getFilename in interface FileStorage

Returns:

The name of the file (un-encoded) if it exists, or null if it does not.

Throws:

IOException

getInputStream

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

Description copied from interface: FileStorage

Get a stream that will provide the contents of the file that was stored with this ID and this filename. Close the stream when you're finished with it.

Specified by:

getInputStream in interface FileStorage

Throws:

FileNotFoundException - if there is no file that matches this ID and filename.

IOException

deleteFile

public boolean deleteFile(String id)
                   throws IOException

Description copied from interface: FileStorage

If a file exists with this ID, it will be deleted, regardless of the file name. If no such file exists, no action is taken, no exception is thrown.

Specified by:

deleteFile in interface FileStorage

Returns:

true if a file existed, false otherwise.

Throws:

IOException