org.hibernate.search.engine.service.classloading.impl

Class DefaultClassLoaderService

java.lang.Object

org.hibernate.search.engine.service.classloading.impl.DefaultClassLoaderService

All Implemented Interfaces:

ClassLoaderService, Service

public class DefaultClassLoaderService
extends Object
implements ClassLoaderService

Default implementation of ClassLoaderService using the old pre class loader service apporach of attempting to load from the current and thread context class loaders.

Author:

Hardy Ferentschik

Constructor Summary

Constructors

Constructor and Description
DefaultClassLoaderService() Constructs a ClassLoaderServiceImpl with standard set-up

Method Summary

Modifier and Type	Method and Description
<T> Class<T>	classForName(String className) Locate a class by name.
<S> LinkedHashSet<S>	loadJavaServices(Class<S> serviceContract) Discovers and instantiates implementations of the named service contract.
URL	locateResource(String name) Locate a resource by name (classpath lookup).
InputStream	locateResourceStream(String name) Locate a resource by name (classpath lookup) and gets its stream.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultClassLoaderService

public DefaultClassLoaderService()

Constructs a ClassLoaderServiceImpl with standard set-up

Method Detail

classForName

public <T> Class<T> classForName(String className)

Description copied from interface: ClassLoaderService

Locate a class by name.

Specified by:

classForName in interface ClassLoaderService

Type Parameters:

T - The returned class type.

Parameters:

className - The name of the class to locate

Returns:

The class reference

locateResource

public URL locateResource(String name)

Description copied from interface: ClassLoaderService

Locate a resource by name (classpath lookup).

Specified by:

locateResource in interface ClassLoaderService

Parameters:

name - The resource name.

Returns:

The located URL; may return null to indicate the resource was not found

locateResourceStream

public InputStream locateResourceStream(String name)

Description copied from interface: ClassLoaderService

Locate a resource by name (classpath lookup) and gets its stream.

Specified by:

locateResourceStream in interface ClassLoaderService

Parameters:

name - The resource name.

Returns:

The stream of the located resource; may return null to indicate the resource was not found

loadJavaServices

public <S> LinkedHashSet<S> loadJavaServices(Class<S> serviceContract)

Description copied from interface: ClassLoaderService

Discovers and instantiates implementations of the named service contract.

NOTE : the terms service here is used differently than Service. Instead here we are talking about services as defined by ServiceLoader.

Specified by:

loadJavaServices in interface ClassLoaderService

Type Parameters:

S - The type of the service contract

Parameters:

serviceContract - The java type defining the service contract

Returns:

The ordered set of discovered services.