org.colomoto.biolqm.service

Class ExtensionLoader

java.lang.Object

org.colomoto.biolqm.service.ExtensionLoader

public class ExtensionLoader
extends Object

Helper class to support extensions.

Author:

Aurelien Naldi

Constructor Summary

Constructors

Constructor and Description
ExtensionLoader()

Method Summary

Modifier and Type	Method and Description
static ClassLoader	getClassLoader() Retrieve a class loader covering the extensions.
static <T> List<T>	load_instances(Class<T> cl) Discover and load a list of services.
static void	loadExtensions(String ename, Class<?> cl) Trigger the loading of extensions.

Methods inherited from class java.lang.Object

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

Constructor Detail

ExtensionLoader

public ExtensionLoader()

Method Detail

getClassLoader

public static ClassLoader getClassLoader()

Retrieve a class loader covering the extensions.

Returns:

the extended class loader

loadExtensions

public static void loadExtensions(String ename,
                                  Class<?> cl)

Trigger the loading of extensions. This must be called only once, before all use of getClassLoader()

Parameters:

ename - name of the optional extension folder

cl - caller class (needed to find the basename)

load_instances

public static <T> List<T> load_instances(Class<T> cl)

Discover and load a list of services.

Type Parameters:

T - the type of the returned list of services

Parameters:

cl - the base class to discover services (of type T)

Returns:

the list of loaded instances (bypassing reflection and constructor errors)