de.mud.jta.plugin

Class URLFilter

java.lang.Object

de.mud.jta.Plugin

de.mud.jta.plugin.URLFilter

All Implemented Interfaces:

FilterPlugin, VisualPlugin, java.lang.Runnable

public class URLFilter
extends Plugin
implements FilterPlugin, VisualPlugin, java.lang.Runnable

Maintainer: Matthias L. Jugel

Version:

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

Author:

Matthias L. Jugel, Marcus Mei???ner

Field Summary

Fields

Modifier and Type	Field and Description
protected java.applet.AppletContext	context
protected java.io.PipedInputStream	pin
protected java.io.PipedOutputStream	pout
protected java.util.Vector	protocols
protected FilterPlugin	source holds the data source for input and output
protected javax.swing.JList	urlList
protected javax.swing.JMenu	urlMenu
protected javax.swing.JPanel	urlPanel

Fields inherited from class de.mud.jta.Plugin

bus, id

Constructor Summary

Constructors

Constructor and Description
URLFilter(PluginBus bus, java.lang.String id) Create a new scripting plugin.

Method Summary

Methods

Modifier and Type	Method and Description
FilterPlugin	getFilterSource()
javax.swing.JMenu	getPluginMenu() Get the menu entry for this component.
javax.swing.JComponent	getPluginVisual() Get the visible components from the plugin.
int	read(byte[] b) Read an array of bytes from the back end and send it to the url parser to see if it matches.
void	run()
void	setFilterSource(FilterPlugin plugin) Set the filter source where we can read data from and where to write the script answer to.
protected void	showURL(java.lang.String url) Show a URL if the applet context is available.
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

protocols

protected java.util.Vector protocols

urlList

protected javax.swing.JList urlList

urlPanel

protected javax.swing.JPanel urlPanel

urlMenu

protected javax.swing.JMenu urlMenu

pin

protected java.io.PipedInputStream pin

pout

protected java.io.PipedOutputStream pout

context

protected java.applet.AppletContext context

source

protected FilterPlugin source

holds the data source for input and output

Constructor Detail

URLFilter

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

Create a new scripting plugin.

Method Detail

run

public void run()

Specified by:

run in interface java.lang.Runnable

showURL

protected void showURL(java.lang.String url)

Show a URL if the applet context is available. We may make it later able to run a web browser or use an HTML component.

Parameters:

url - the URL to display

setFilterSource

public void setFilterSource(FilterPlugin plugin)

Set the filter source where we can read data from and where to write the script answer to.

Specified by:

setFilterSource in interface FilterPlugin

Parameters:

plugin - the filter plugin we use as source

getFilterSource

public FilterPlugin getFilterSource()

Specified by:

getFilterSource in interface FilterPlugin

read

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

Read an array of bytes from the back end and send it to the url parser to see if it matches.

Specified by:

read in interface FilterPlugin

Parameters:

b - the array where to read the bytes in

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

getPluginVisual

public javax.swing.JComponent getPluginVisual()

Description copied from interface: VisualPlugin

Get the visible components from the plugin.

Specified by:

getPluginVisual in interface VisualPlugin

Returns:

a component that represents the plugin

getPluginMenu

public javax.swing.JMenu getPluginMenu()

Description copied from interface: VisualPlugin

Get the menu entry for this component.

Specified by:

getPluginMenu in interface VisualPlugin

Returns:

a menu that can be used to change the plugin state