com.asakusafw.windgate.hadoopfs.ssh

Interface SshConnection

All Superinterfaces:

AutoCloseable, Closeable

public interface SshConnection
extends Closeable

A remote command execution via SSH.

Since:

0.2.2

Method Summary

Modifier and Type	Method and Description
void	connect() Connects to this target.
OutputStream	openStandardInput() Opens the remote standard input.
InputStream	openStandardOutput() Opens the remote standard output.
void	redirectStandardOutput(OutputStream output, boolean dontClose) Opens the remote standar output and redirects into the specified output.
int	waitForExit(long timeout) Waits for the remote command exits.

Methods inherited from interface java.io.Closeable

close

Method Detail

connect

void connect()
      throws IOException

Connects to this target.

Throws:

IOException - if failed to connect.

openStandardInput

OutputStream openStandardInput()
                        throws IOException

Opens the remote standard input.

Returns:

the opened stream.

Throws:

IOException - if failed to open

openStandardOutput

InputStream openStandardOutput()
                        throws IOException

Opens the remote standard output.

Returns:

the opened stream.

Throws:

IOException - if failed to open

redirectStandardOutput

void redirectStandardOutput(OutputStream output,
                            boolean dontClose)

Opens the remote standar output and redirects into the specified output.

Parameters:

output - the redirection target

dontClose - keep opened on the remote output is closed

Throws:

IllegalArgumentException - if any parameter is null

waitForExit

int waitForExit(long timeout)
         throws IOException,
                InterruptedException

Waits for the remote command exits.

Parameters:

timeout - waiting duration in milliseconds

Returns:

exit code

Throws:

IOException - if failed to wait

InterruptedException - if interrupted