org.activiti.explorer.ui.custom

Class InMemoryUploadReceiver

java.lang.Object

org.activiti.explorer.ui.custom.InMemoryUploadReceiver

All Implemented Interfaces:

com.vaadin.ui.Upload.ProgressListener, com.vaadin.ui.Upload.Receiver, com.vaadin.ui.Upload.StartedListener, Serializable

public class InMemoryUploadReceiver
extends Object
implements com.vaadin.ui.Upload.Receiver, com.vaadin.ui.Upload.StartedListener, com.vaadin.ui.Upload.ProgressListener

Generic Upload.Receiver for an Upload component. Stores the bytes in-memory, so be careful to limit the size of the uploads.

Author:

Joram Barrez

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected Collection<String>	acceptedMimeTypes
protected String	fileName
protected boolean	interrupted
protected long	maxFileSize
protected String	mimeType
protected NotificationManager	notificationManager
protected ByteArrayOutputStream	outputStream
protected com.vaadin.ui.Upload	upload

Constructor Summary

Constructors

Constructor and Description
InMemoryUploadReceiver(com.vaadin.ui.Upload upload, long maxFileSize)

Method Summary

Methods

Modifier and Type	Method and Description
protected void	checkFileSize(long receivedLength)
protected void	checkMimeType(String mimeType)
byte[]	getBytes()
String	getFileName()
String	getMimeType()
protected void	interrupt()
boolean	isInterruped()
OutputStream	receiveUpload(String filename, String mimeType)
void	reset()
void	setAcceptedMimeTypes(Collection<String> acceptedMimeTypes) By default, all mime types are accepted.
void	updateProgress(long readBytes, long contentLength)
void	uploadStarted(com.vaadin.ui.Upload.StartedEvent event)

Methods inherited from class java.lang.Object

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

Field Detail

notificationManager

protected NotificationManager notificationManager

upload

protected com.vaadin.ui.Upload upload

interrupted

protected boolean interrupted

fileName

protected String fileName

mimeType

protected String mimeType

maxFileSize

protected long maxFileSize

outputStream

protected ByteArrayOutputStream outputStream

acceptedMimeTypes

protected Collection<String> acceptedMimeTypes

Constructor Detail

InMemoryUploadReceiver

public InMemoryUploadReceiver(com.vaadin.ui.Upload upload,
                      long maxFileSize)

Parameters:

upload - The component that will serve this receiver

maxFileSize - The maximum size of files that will be accepted (in bytes). -1 in case of no limit.

Method Detail

receiveUpload

public OutputStream receiveUpload(String filename,
                         String mimeType)

Specified by:

receiveUpload in interface com.vaadin.ui.Upload.Receiver

uploadStarted

public void uploadStarted(com.vaadin.ui.Upload.StartedEvent event)

Specified by:

uploadStarted in interface com.vaadin.ui.Upload.StartedListener

updateProgress

public void updateProgress(long readBytes,
                  long contentLength)

Specified by:

updateProgress in interface com.vaadin.ui.Upload.ProgressListener

getBytes

public byte[] getBytes()

getFileName

public String getFileName()

getMimeType

public String getMimeType()

isInterruped

public boolean isInterruped()

checkFileSize

protected void checkFileSize(long receivedLength)

checkMimeType

protected void checkMimeType(String mimeType)

interrupt

protected void interrupt()

setAcceptedMimeTypes

public void setAcceptedMimeTypes(Collection<String> acceptedMimeTypes)

By default, all mime types are accepted. By providing a set of mimetypes, the receiver will only work with the given mimetypes

reset

public void reset()