ProxyTransfer (Core XMPP Server 4.4.1 API)

All Superinterfaces:

Cacheable, FileTransferProgress, Serializable

All Known Implementing Classes:

DefaultProxyTransfer
```
public interface ProxyTransfer
extends Cacheable, FileTransferProgress
```
Tracks the different connections related to a proxy file transfer. There are two connections, the initiator and the target and when both connections are completed the transfer can begin.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`doTransfer()`	Transfers the file from the initiator to the target.
`String`	`getTransferDigest()`	Returns the transfer digest uniquely identifies a file transfer in the system.
`boolean`	`isActivatable()`	Returns true if the Bytestream is ready to be activated and the proxy transfer can begin.
`void`	`setTransferDigest(String digest)`	Sets the transfer digest for a file transfer.

Methods inherited from interface org.jivesoftware.util.cache.Cacheable
getCachedSize

Methods inherited from interface org.jivesoftware.openfire.filetransfer.FileTransferProgress
getAmountTransferred, getInitiator, getInputStream, getOutputStream, getSessionID, getTarget, setInitiator, setInputStream, setOutputStream, setSessionID, setTarget, setTransferFuture

- Method Detail
  - setTransferDigest
```
void setTransferDigest(String digest)
```
    Sets the transfer digest for a file transfer. The transfer digest uniquely identifies a file transfer in the system.
    
    Parameters:
    
    digest - the digest which uniquely identifies this transfer.
  - getTransferDigest
```
String getTransferDigest()
```
    Returns the transfer digest uniquely identifies a file transfer in the system.
    
    Returns:
    
    the transfer digest uniquely identifies a file transfer in the system.
  - isActivatable
```
boolean isActivatable()
```
    Returns true if the Bytestream is ready to be activated and the proxy transfer can begin.
    
    Returns:
    
    true if the Bytestream is ready to be activated.
  - doTransfer
```
void doTransfer()
         throws IOException
```
    Transfers the file from the initiator to the target.
    
    Throws:
    
    IOException - when an error occurs either reading from the input stream or writing to the output stream.