gcspy.vis.plugins
Class PluginManager

java.lang.Object
  gcspy.vis.plugins.PluginManager

public class PluginManager
extends java.lang.Object

This class manages pluggable views. A pluggable view must provide

1. A short-form name
2. A PluginListener class, nameListener
3. A PluginFrame class

Author:

Richard Jones

Field Summary

(package private) java.net.URLClassLoader

pluginClassLoader A class loader for the plugins

Constructor Summary

PluginManager()
Create the Plugin Manager and load all plugins We expect the plugin to be in a jar file plugins/plugin.jar.

Method Summary

java.util.Set<java.lang.String>	getAllPlugins() Get the names of all the plugins found
java.util.List<PluginListener>	getListeners() Get the listeners for all the plugins selected
boolean	isActivePlugin(java.lang.String p) Is a plugin selected
void	setActivePlugin(java.lang.String plugin, boolean selected) Set a plugin's active state

Methods inherited from class java.lang.Object

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

Field Detail

pluginClassLoader

java.net.URLClassLoader pluginClassLoader

A class loader for the plugins

Constructor Detail

PluginManager

public PluginManager()

Create the Plugin Manager and load all plugins We expect the plugin to be in a jar file plugins/plugin.jar. We expect the plugin listener to be PluginListener.

Method Detail

getAllPlugins

public java.util.Set<java.lang.String> getAllPlugins()

Get the names of all the plugins found

Returns:

short-form names of all plugins

getListeners

public java.util.List<PluginListener> getListeners()

Get the listeners for all the plugins selected

Returns:

the PluginListeners for all selected plugins

isActivePlugin

public boolean isActivePlugin(java.lang.String p)

Is a plugin selected

Parameters:

p - the plugin's name

Returns:

true if the plugin is selected

setActivePlugin

public void setActivePlugin(java.lang.String plugin,
                            boolean selected)

Set a plugin's active state

Parameters:

plugin - The plugin's name

selected - true if it is to be selected