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com.vaadin.flow.component.upload.receivers.
Class MultiFileBuffer
- java.lang.Object
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- com.vaadin.flow.component.upload.receivers.AbstractFileBuffer
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- com.vaadin.flow.component.upload.receivers.MultiFileBuffer
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All Implemented Interfaces:
public class MultiFileBuffer extends AbstractFileBuffer implements MultiFileReceiverBasic receiver implementation for receiving multiple file upload and storing them as files. Files are stored by default to Files created using
File.createTempFile(String, String)with a null suffix.For a custom file the constructor
AbstractFileBuffer(FileFactory)should be used.See Also:
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Constructor Summary
Constructors Constructor and Description MultiFileBuffer()
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Method Summary
All Methods Modifier and Type Method and Description FileDatagetFileData(String fileName)Get file data for upload with file name.
FileDescriptorgetFileDescriptor(String fileName)Get the output stream for file.
Set<String>getFiles()Get the files stored for this buffer.
InputStreamgetInputStream(String fileName)Get the input stream for file with fileName.
OutputStreamreceiveUpload(String fileName, String MIMEType)Invoked when a new upload arrives.
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Methods inherited from class com.vaadin.flow.component.upload.receivers.AbstractFileBuffer
createFileOutputStream, getLogger
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Method Detail
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receiveUpload
public OutputStream receiveUpload(String fileName, String MIMEType)Description copied from interface:
ReceiverInvoked when a new upload arrives.
Specified by:
receiveUploadin interfaceReceiverParameters:
fileName- the desired filename of the upload, usually as specified by the clientMIMEType- the MIME type of the uploaded fileReturns:
stream to which the uploaded file should be written
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getFileData
public FileData getFileData(String fileName)Get file data for upload with file name.
Parameters:
fileName- file name to get upload data forReturns:
file data for filename or null if not found
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getFileDescriptor
public FileDescriptor getFileDescriptor(String fileName)Get the output stream for file.
Parameters:
fileName- name of file to get stream forReturns:
file output stream or null if not available
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getInputStream
public InputStream getInputStream(String fileName)Get the input stream for file with fileName.
Parameters:
fileName- name of file to get input stream forReturns:
input stream for file or empty stream if file not found
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