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/*
* Jitsi, the OpenSource Java VoIP and Instant Messaging client.
*
* Copyright @ 2015 Atlassian Pty Ltd
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.java.sip.communicator.impl.protocol.ssh;
import java.io.*;
import java.util.*;
import net.java.sip.communicator.service.protocol.*;
import net.java.sip.communicator.service.protocol.event.*;
import net.java.sip.communicator.util.*;
/**
* This class provides operations to upload/download files to remote machines
*
* @author Shobhit Jindal
*/
public class OperationSetFileTransferSSHImpl
implements OperationSetFileTransfer
{
private static final Logger logger
= Logger.getLogger(OperationSetFileTransferSSHImpl.class);
/**
* Currently registered message listeners.
*/
private Vector<FileTransferListener> fileTransferListeners
= new Vector<FileTransferListener>();
/**
* The protocol provider that created us.
*/
private ProtocolProviderServiceSSHImpl parentProvider = null;
/**
* Creates a new instance of OperationSetFileTransferSSHImpl
*
* @param parentProvider the parent protocol provider service
*/
public OperationSetFileTransferSSHImpl(
ProtocolProviderServiceSSHImpl parentProvider)
{
this.parentProvider = parentProvider;
}
/**
* Registers a FileTransferListener with this operation set so that it gets
* notifications of start, complete, failure of file transfers
*
* @param listener the <tt>FileListener</tt> to register.
*/
public void addFileTransferListener(
FileTransferListener listener)
{
synchronized (fileTransferListeners)
{
if(!fileTransferListeners.contains(listener))
fileTransferListeners.add(listener);
}
}
public void removeFileTransferListener(
FileTransferListener listener)
{
synchronized (fileTransferListeners)
{
fileTransferListeners.remove(listener);
}
}
/**
* Sends a file transfer request to the given <tt>toContact</tt>.
* @param toContact the contact that should receive the file
* @param file the file to send
*/
public FileTransfer sendFile( Contact toContact,
File file)
{
return this.sendFile( toContact,
null,
file.getAbsolutePath(),
file.getAbsolutePath());
}
/**
* The file transfer method to/from the remote machine
* either toContact is null(we are downloading file from remote machine
* or fromContact is null(we are uploading file to remote machine
*
* @param toContact - the file recipient
* @param fromContact - the file sender
* @param remotePath - the identifier for the remote file
* @param localPath - the identifier for the local file
*/
public FileTransfer sendFile(
Contact toContact,
Contact fromContact,
String remotePath,
String localPath)
{
if(toContact == null)
{
SSHFileTransferDaemon fileTransferDaemon
= new SSHFileTransferDaemon(
(ContactSSH)fromContact,
parentProvider);
if(localPath.endsWith(System.getProperty("file.separator")))
localPath += remotePath.substring(remotePath.lastIndexOf(
System.getProperty("file.separator")) + 1);
fileTransferDaemon.downloadFile(
remotePath,
localPath);
return new FileTransferSSHImpl(fileTransferDaemon, new Date());
}
else if(fromContact == null)
{
SSHFileTransferDaemon fileTransferDaemon
= new SSHFileTransferDaemon(
(ContactSSH) toContact,
parentProvider);
fileTransferDaemon.uploadFile(
remotePath,
localPath);
return new FileTransferSSHImpl(fileTransferDaemon, new Date());
}
// code should not reach here
// assert false;
logger.error("we should not be here !");
return null;
}
/**
* Returns the maximum file length supported by the protocol in bytes.
* @return the file length that is supported.
*/
public long getMaximumFileLength()
{
return 2048*1024*1024;
}
}
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