Package org.vaadin.addons.f0rce.uploadhelper.receiver

Class UHFileBuffer

java.lang.Object
org.vaadin.addons.f0rce.uploadhelper.receiver.UHAbstractFileBuffer
org.vaadin.addons.f0rce.uploadhelper.receiver.UHFileBuffer
All Implemented Interfaces:
java.io.Serializable, UHReceiver
public class UHFileBuffer
extends UHAbstractFileBuffer
implements UHReceiver
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 UHAbstractFileBuffer(UHFileFactory) should be used.

See Also:
Serialized Form

  • Constructor Summary

    Constructors 
    Constructor Description
    UHFileBuffer()  

  • Method Summary

    Modifier and Type Method Description
    com.vaadin.flow.component.upload.receivers.FileData getFileData()
    Get the file data object.
    java.io.FileDescriptor getFileDescriptor()
    Get the output stream for file.
    java.lang.String getFileName()
    Get the file name for this buffer.
    java.io.InputStream getInputStream()
    Get the input stream for file.
    java.io.OutputStream receiveUpload​(java.lang.String fileName, java.lang.String MIMEType)
    Invoked when a new upload arrives.

    Methods inherited from class java.lang.Object

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

  • Constructor Details

  • Method Details

    • receiveUpload

      public java.io.OutputStream receiveUpload​(java.lang.String fileName, java.lang.String MIMEType)
      Description copied from interface: UHReceiver
      Invoked when a new upload arrives.
      Specified by:
      receiveUpload in interface UHReceiver
      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 com.vaadin.flow.component.upload.receivers.FileData getFileData()
      Get the file data object.
      Returns:
      file data for the latest upload or null

    • getFileName

      public java.lang.String getFileName()
      Get the file name for this buffer.
      Returns:
      file name or empty if no file

    • getFileDescriptor

      public java.io.FileDescriptor getFileDescriptor()
      Get the output stream for file.
      Returns:
      file output stream or null if not available

    • getInputStream

      public java.io.InputStream getInputStream()
      Get the input stream for file.
      Returns:
      input stream for file or empty stream if file not found