org.jpox.plugin
Interface PluginRegistry

All Known Implementing Classes:

EclipsePluginRegistry, NonManagedPluginRegistry

public interface PluginRegistry

Loader and registry of Extensions and Extension Points. The implementation of this interface must have a public constructor taking the ClassLoaderResolver interface as argument

Version:

$Revision: 1.6 $

Method Summary

java.lang.Object	createExecutableExtension(ConfigurationElement confElm, java.lang.String name, java.lang.Class[] argsClass, java.lang.Object[] args) Loads a class (do not initialize) from an attribute of ConfigurationElement
ExtensionPoint	getExtensionPoint(java.lang.String id) Acessor for the ExtensionPoint
ExtensionPoint[]	getExtensionPoints() Acessor for the currently registed ExtensionPoints
java.lang.Class	loadClass(java.lang.String pluginId, java.lang.String className) Loads a class (do not initialize)
void	registerExtensionPoints() Register Extension Points declared in /org/jpox/plugin/plugin.xml
void	registerExtensions() Register ExtensionPoints and Extensions declared in plugin files
java.net.URL	resolveURLAsFileURL(java.net.URL url) Converts a URL that uses a user-defined protocol into a URL that uses the file protocol.

Method Detail

getExtensionPoint

ExtensionPoint getExtensionPoint(java.lang.String id)

Acessor for the ExtensionPoint

Parameters:

id - the unique id of the extension point

Returns:

null if the ExtensionPoint is not registered

getExtensionPoints

ExtensionPoint[] getExtensionPoints()

Acessor for the currently registed ExtensionPoints

Returns:

array of ExtensionPoints

registerExtensionPoints

void registerExtensionPoints()

Register Extension Points declared in /org/jpox/plugin/plugin.xml

registerExtensions

void registerExtensions()

Register ExtensionPoints and Extensions declared in plugin files

createExecutableExtension

java.lang.Object createExecutableExtension(ConfigurationElement confElm,
                                           java.lang.String name,
                                           java.lang.Class[] argsClass,
                                           java.lang.Object[] args)
                                           throws java.lang.ClassNotFoundException,
                                                  java.lang.SecurityException,
                                                  java.lang.NoSuchMethodException,
                                                  java.lang.IllegalArgumentException,
                                                  java.lang.InstantiationException,
                                                  java.lang.IllegalAccessException,
                                                  java.lang.reflect.InvocationTargetException

Loads a class (do not initialize) from an attribute of ConfigurationElement

Parameters:

confElm - the configuration element

name - the attribute name

Returns:

the Class

Throws:

java.lang.ClassNotFoundException

java.lang.SecurityException

java.lang.NoSuchMethodException

java.lang.IllegalArgumentException

java.lang.InstantiationException

java.lang.IllegalAccessException

java.lang.reflect.InvocationTargetException

loadClass

java.lang.Class loadClass(java.lang.String pluginId,
                          java.lang.String className)
                          throws java.lang.ClassNotFoundException

Loads a class (do not initialize)

Parameters:

pluginId - the plugin id

className - the class name

Returns:

the Class

Throws:

java.lang.ClassNotFoundException

resolveURLAsFileURL

java.net.URL resolveURLAsFileURL(java.net.URL url)
                                 throws java.io.IOException

Converts a URL that uses a user-defined protocol into a URL that uses the file protocol.

Parameters:

url - the url to be converted

Returns:

the converted URL

Throws:

java.io.IOException