p2pcm
Class ComponentUtil

java.lang.Object
  p2pcm.ComponentUtil

public class ComponentUtil
extends java.lang.Object

This class provides static methods for deploying / undeploying components in the network

Version:

1.2

Author:

Rubén Mondéjar , Carles Pairot

Constructor Summary

ComponentUtil()

Method Summary

static ComponentInterface	createInnerObject(java.lang.String implClass, java.lang.String instance, java.lang.Object... params) Factory method used for creating an inner object within a component Useful for components which may delegate some view implementations to other classes / objects
static void	deployComponent(java.net.URL componentResource) Method for deploying a component on the structured peer-to-peer overlay network
static ComponentFactory	getComponentFactory(java.lang.String componentLocation) Method for getting any component's factory instance
static void	unDeployComponent(java.lang.String componentID) Method for undeploying a Dermi component

Methods inherited from class java.lang.Object

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

Constructor Detail

ComponentUtil

public ComponentUtil()

Method Detail

deployComponent

public static void deployComponent(java.net.URL componentResource)
                            throws ComponentDeploymentException,
                                   dermi.exception.ComponentMetadataIncompleteException

Method for deploying a component on the structured peer-to-peer overlay network

Parameters:

componentResource - URL Component's URL

Throws:

java.lang.Exception

ComponentDeploymentException

dermi.exception.ComponentMetadataIncompleteException

unDeployComponent

public static void unDeployComponent(java.lang.String componentID)
                              throws ComponentDeploymentException

Method for undeploying a Dermi component

Parameters:

componentID - String Component's identifier

Throws:

ComponentDeploymentException - If component cannot be unregistered correctly

getComponentFactory

public static ComponentFactory getComponentFactory(java.lang.String componentLocation)
                                            throws ComponentNotRegisteredException,
                                                   ComponentInitializationException

Method for getting any component's factory instance

Parameters:

componentLocation - String URL-like component locator

Returns:

ComponentFactory The component's factory class

Throws:

ComponentNotRegisteredException - Thrown if the component was not previously deployed on the overlay network

ComponentInitializationException - Thrown if it is impossible to initialize the component's factory

createInnerObject

public static ComponentInterface createInnerObject(java.lang.String implClass,
                                                   java.lang.String instance,
                                                   java.lang.Object... params)
                                            throws ComponentInitializationException

Factory method used for creating an inner object within a component Useful for components which may delegate some view implementations to other classes / objects

Parameters:

implClass - String Implementation class name

instance - String Instance name

params - Object[] Object creation arguments

Returns:

ComponentInterface A component's interface implementation

Throws:

ComponentInitializationException - If component (inner object) cannot be initialized