/**
* Copy a file to specific destination with WinSCP command
*
* @param lfile file you want to transfer
* @param rfile destination file
*/
public synchronized void scpTo(String lfile, String rfile) {
if (!connected) {
throw new ActionFailedException("There is no session!");
}
try {
// exec 'scp -t rfile' remotely
String command = "scp -p -t " + rfile;
channel = session.openChannel("exec");
((ChannelExec) channel).setCommand(command);
// get I/O streams for remote scp
OutputStream out = channel.getOutputStream();
InputStream in = channel.getInputStream();
channel.connect();
// byte[] tmp = new byte[1];
checkAck(in);
// send "C0644 filesize filename", where filename should not include '/'
int filesize = (int) (new File(lfile)).length();
command = "C0644 " + filesize + " ";
if (lfile.lastIndexOf('/') > 0) {
command += lfile.substring(lfile.lastIndexOf('/') + 1);
} else {
command += lfile;
}
command += "\n";
out.write(command.getBytes());
out.flush();
checkAck(in);
// send a content of lfile
FileInputStream fis = new FileInputStream(lfile);
byte[] buf = new byte[1024];
while (true) {
int len = fis.read(buf, 0, buf.length);
if (len <= 0) break;
out.write(buf, 0, len);
out.flush();
}
fis.close();
// send '\0'
buf[0] = 0;
out.write(buf, 0, 1);
out.flush();
checkAck(in);
} catch (Exception e) {
throw new ItemNotFoundException("Failed to copy file: " + e.getMessage());
} finally {
if (channel != null) {
channel.disconnect();
}
}
}
public static void main(String[] arg) {
if (arg.length != 2) {
System.err.println("usage: java ScpTo file1 user@remotehost:file2");
System.exit(-1);
}
FileInputStream fis = null;
try {
String lfile = arg[0];
String user = arg[1].substring(0, arg[1].indexOf('@'));
arg[1] = arg[1].substring(arg[1].indexOf('@') + 1);
String host = arg[1].substring(0, arg[1].indexOf(':'));
String rfile = arg[1].substring(arg[1].indexOf(':') + 1);
JSch jsch = new JSch();
Session session = jsch.getSession(user, host, 22);
// username and password will be given via UserInfo interface.
UserInfo ui = new MyUserInfo();
session.setUserInfo(ui);
session.connect();
boolean ptimestamp = true;
// exec 'scp -t rfile' remotely
String command = "scp " + (ptimestamp ? "-p" : "") + " -t " + rfile;
Channel channel = session.openChannel("exec");
((ChannelExec) channel).setCommand(command);
// get I/O streams for remote scp
OutputStream out = channel.getOutputStream();
InputStream in = channel.getInputStream();
channel.connect();
if (checkAck(in) != 0) {
System.exit(0);
}
File _lfile = new File(lfile);
if (ptimestamp) {
command = "T " + (_lfile.lastModified() / 1000) + " 0";
// The access time should be sent here,
// but it is not accessible with JavaAPI ;-<
command += (" " + (_lfile.lastModified() / 1000) + " 0\n");
out.write(command.getBytes());
out.flush();
if (checkAck(in) != 0) {
System.exit(0);
}
}
// send "C0644 filesize filename", where filename should not include '/'
long filesize = _lfile.length();
command = "C0644 " + filesize + " ";
if (lfile.lastIndexOf('/') > 0) {
command += lfile.substring(lfile.lastIndexOf('/') + 1);
} else {
command += lfile;
}
command += "\n";
out.write(command.getBytes());
out.flush();
if (checkAck(in) != 0) {
System.exit(0);
}
// send a content of lfile
fis = new FileInputStream(lfile);
byte[] buf = new byte[1024];
while (true) {
int len = fis.read(buf, 0, buf.length);
if (len <= 0) break;
out.write(buf, 0, len); // out.flush();
}
fis.close();
fis = null;
// send '\0'
buf[0] = 0;
out.write(buf, 0, 1);
out.flush();
if (checkAck(in) != 0) {
System.exit(0);
}
out.close();
channel.disconnect();
session.disconnect();
System.exit(0);
} catch (Exception e) {
System.out.println(e);
try {
if (fis != null) fis.close();
} catch (Exception ee) {
}
}
}
