com.vaadin.flow.component.upload.receivers.FileBuffer API 14.12.5 | Vaadin

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

java.lang.Object
- com.vaadin.flow.component.upload.receivers.AbstractFileBuffer
- - com.vaadin.flow.component.upload.receivers.FileBuffer

All Implemented Interfaces:

Receiver, Serializable
```
public class FileBuffer
extends AbstractFileBuffer
implements Receiver
```
Basic in file receiver implementation. File is stored by default to File created using File.createTempFile(String, String) with a null suffix.
For a custom file the constructor AbstractFileBuffer(FileFactory) should be used.

See Also:

Serialized Form

Constructor Summary

Constructors
Constructor and Description

FileBuffer()

Method Summary

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

Methods inherited from class com.vaadin.flow.component.upload.receivers.AbstractFileBuffer
createFileOutputStream, getLogger

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - FileBuffer
```
public FileBuffer()
```
- Method Detail
  - 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
  - getFileDescriptor
```
public FileDescriptor getFileDescriptor()
```
    Get the output stream for file.
    
    Returns:
    
    file output stream or null if not available
  - getInputStream
```
public InputStream getInputStream()
```
    Get the input stream for file.
    
    Returns:
    
    input stream for file or empty stream if file not found