de.mud.jta.plugin

Class Shell

java.lang.Object

de.mud.jta.Plugin

de.mud.jta.plugin.Shell

All Implemented Interfaces:

FilterPlugin

public class Shell
extends Plugin
implements FilterPlugin

The shell plugin is the backend component for terminal emulation using a shell. It provides the i/o streams of the shell as data source.

Maintainer: Matthias L. Jugel

Version:

$Id: Shell.java 499 2005-09-29 08:24:54Z leo $

Author:

Matthias L. Jugel, Marcus Mei???ner, Pete Zaitcev

Field Summary

Fields

Modifier and Type	Field and Description
protected java.lang.String	shellCommand

Fields inherited from class de.mud.jta.Plugin

bus, id

Constructor Summary

Constructors

Constructor and Description
Shell(PluginBus bus, java.lang.String id)

Method Summary

Methods

Modifier and Type	Method and Description
FilterPlugin	getFilterSource()
int	read(byte[] b) Read a block of data from the back end.
void	setFilterSource(FilterPlugin plugin) Set the source plugin where we get our data from and where the data sink (write) is.
void	write(byte[] b) Write a block of data to the back end.

Methods inherited from class de.mud.jta.Plugin

error, getId

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

shellCommand

protected java.lang.String shellCommand

Constructor Detail

Shell

public Shell(PluginBus bus,
     java.lang.String id)

Method Detail

setFilterSource

public void setFilterSource(FilterPlugin plugin)

Description copied from interface: FilterPlugin

Set the source plugin where we get our data from and where the data sink (write) is. The actual data handling should be done in the read() and write() methods.

Specified by:

setFilterSource in interface FilterPlugin

Parameters:

plugin - the data source

getFilterSource

public FilterPlugin getFilterSource()

Specified by:

getFilterSource in interface FilterPlugin

read

public int read(byte[] b)
         throws java.io.IOException

Description copied from interface: FilterPlugin

Read a block of data from the back end.

Specified by:

read in interface FilterPlugin

Parameters:

b - the buffer to read the data into

Returns:

the amount of bytes actually read

Throws:

java.io.IOException

write

public void write(byte[] b)
           throws java.io.IOException

Description copied from interface: FilterPlugin

Write a block of data to the back end.

Specified by:

write in interface FilterPlugin

Parameters:

b - the buffer to be sent

Throws:

java.io.IOException