Package com.vaadin.flow.component.upload.receivers

Class MemoryBuffer

java.lang.Object

com.vaadin.flow.component.upload.receivers.MemoryBuffer

All Implemented Interfaces:

Receiver, Serializable

public class MemoryBuffer
extends Object
implements Receiver

Basic in memory file receiver implementation.

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
MemoryBuffer()

Method Summary

Modifier and Type	Method	Description
FileData	getFileData()	Get the file data object.
String	getFileName()	Get the file name for this buffer.
InputStream	getInputStream()	Get the input stream for file with filename.
OutputStream	receiveUpload(String fileName, String MIMEType)	Invoked when a new upload arrives.

Methods inherited from class java.lang.Object

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

Constructor Details

MemoryBuffer

public MemoryBuffer()

Method Details

receiveUpload

public OutputStream receiveUpload(String fileName,
 String MIMEType)

Description copied from interface: Receiver

Invoked when a new upload arrives.

Specified by:

receiveUpload in interface Receiver

Parameters:

fileName - the desired filename of the upload, usually as specified by the client

MIMEType - the MIME type of the uploaded file

Returns:

stream to which the uploaded file should be written

getFileData

public FileData getFileData()

Get the file data object.

Returns:

file data for the latest upload or null

getFileName

public String getFileName()

Get the file name for this buffer.

Returns:

file name or empty if no file

getInputStream

public InputStream getInputStream()

Get the input stream for file with filename.

Returns:

input stream for file or empty stream if file not found