org.eclipse.emf.emfstore.internal.server.core.subinterfaces
Class FileTransferSubInterfaceImpl

java.lang.Object
  org.eclipse.emf.emfstore.internal.server.core.AbstractSubEmfstoreInterface
      org.eclipse.emf.emfstore.internal.server.core.subinterfaces.FileTransferSubInterfaceImpl

public class FileTransferSubInterfaceImpl
extends AbstractSubEmfstoreInterface

The file transfer subinterface.

Author:

pfeifferc

Field Summary

static String	ATTACHMENT_FOLDER Attachment folder for uploads and downloads.
static String	FILE_NAME_DELIMITER The delimiter that separates file attachment id, file version and file name in an uploaded file.
static String	TEMP_FOLDER tmp folder for file uploads to server.

Constructor Summary

FileTransferSubInterfaceImpl(AbstractEmfstoreInterface parentInterface)

Method Summary

FileChunk	downloadFileChunk(ProjectId projectId, FileTransferInformation fileInformation) Reads a chunk from the file linked to the fileInformation.
FileTransferInformation	uploadFileChunk(ProjectId projectId, FileChunk fileChunk) Writes a chunk to the file linked to the fileInformation in the fileChunk.

Methods inherited from class org.eclipse.emf.emfstore.internal.server.core.AbstractSubEmfstoreInterface

execute, getResourceHelper

Methods inherited from class java.lang.Object

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

Field Detail

TEMP_FOLDER

public static final String TEMP_FOLDER

tmp folder for file uploads to server.

See Also:

Constant Field Values

ATTACHMENT_FOLDER

public static final String ATTACHMENT_FOLDER

Attachment folder for uploads and downloads.

See Also:

Constant Field Values

FILE_NAME_DELIMITER

public static final String FILE_NAME_DELIMITER

The delimiter that separates file attachment id, file version and file name in an uploaded file.

See Also:

Constant Field Values

Constructor Detail

FileTransferSubInterfaceImpl

public FileTransferSubInterfaceImpl(AbstractEmfstoreInterface parentInterface)
                             throws FatalESException

Parameters:

parentInterface - the parent interface

Throws:

FatalESException - if any fatal error occurs

Method Detail

downloadFileChunk

public FileChunk downloadFileChunk(ProjectId projectId,
                                   FileTransferInformation fileInformation)
                            throws FileTransferException,
                                   InvalidInputException

Reads a chunk from the file linked to the fileInformation.

Parameters:

projectId - project attachment folder

fileInformation - file information object

Returns:

FileChunk

Throws:

FileTransferException - if any error occurs reading the file

InvalidInputException - thrown if one of the parameters is null

uploadFileChunk

public FileTransferInformation uploadFileChunk(ProjectId projectId,
                                               FileChunk fileChunk)
                                        throws FileTransferException,
                                               InvalidInputException

Writes a chunk to the file linked to the fileInformation in the fileChunk. If the data in the file chunk is null, this is treated as a request for a file version.

Parameters:

fileChunk - contains data and information about the file attachment, file version and chunk number

projectId - project id

Returns:

fileInformation containing the (new) file version

Throws:

FileTransferException - if any error occurs writing to the file

InvalidInputException - thrown if one of the parameters is null