com.indexdata.serviceproxy.chain

Class PluginRegistar

java.lang.Object

com.indexdata.serviceproxy.chain.PluginRegistar

public class PluginRegistar
extends Object

Author:

jakub

Method Summary

Modifier and Type	Method and Description
static PluginRegistar	getInstance(String mkConfigContextKey) Returns a singleton instance of the PluginRegistar for each given configuration context instance (there can be one context for each virtual host using the service-proxy)
Plugin	getPluginInstance(String name) Create an instance of a plugin registered under a given name.
void	loadRegistration(com.indexdata.masterkey.config.ModuleConfiguration mkConfigPlugins) Load (append) registration data (name=fully-qualified-classname mappings) from properties
void	register(String name, Class clazz) Register a plugin (specified by the class object) under a given name (e.g.
void	unregister(String name) Unregister plugin referenced by a given name (if no component found a noop)

Methods inherited from class java.lang.Object

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

Method Detail

getInstance

public static PluginRegistar getInstance(String mkConfigContextKey)

Returns a singleton instance of the PluginRegistar for each given configuration context instance (there can be one context for each virtual host using the service-proxy)

Parameters:

mkConfigContextKey -

Returns:

loadRegistration

public void loadRegistration(com.indexdata.masterkey.config.ModuleConfiguration mkConfigPlugins)
                      throws PluginRegistrationException

Load (append) registration data (name=fully-qualified-classname mappings) from properties

Parameters:

props -

Throws:

ClassNotFoundException - if a class was not found

PluginRegistrationException - if a registartion name is in use

register

public void register(String name,
                     Class clazz)
              throws PluginRegistrationException

Register a plugin (specified by the class object) under a given name (e.g. ace -> AcePlugin.class)

Parameters:

name - registration name

clazz - class object for the given component

Throws:

PluginRegistrationException - if a given name is already in use

unregister

public void unregister(String name)

Unregister plugin referenced by a given name (if no component found a noop)

Parameters:

name - registartion name

getPluginInstance

public Plugin getPluginInstance(String name)
                         throws PluginInstantiationException

Create an instance of a plugin registered under a given name.

Parameters:

name - registration name

Returns:

instance of a plugin

Throws:

PluginInstantiationException - if the instantiation failed