org.apache.tika.utils

Class ServiceLoaderUtils

java.lang.Object

org.apache.tika.utils.ServiceLoaderUtils

public class ServiceLoaderUtils
extends Object

Service Loading and Ordering related utils

Constructor Summary

Constructors

Constructor and Description
ServiceLoaderUtils()

Method Summary

Modifier and Type	Method and Description
static <T> T	newInstance(Class klass, ServiceLoader loader) Loads a class and instantiates it.
static <T> T	newInstance(String className) Loads a class and instantiates it
static <T> T	newInstance(String className, ClassLoader loader) Loads a class and instantiates it
static <T> void	sortLoadedClasses(List<T> loaded) Sorts a list of loaded classes, so that non-Tika ones come before Tika ones, and otherwise in reverse alphabetical order

Methods inherited from class java.lang.Object

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

Constructor Detail

ServiceLoaderUtils

public ServiceLoaderUtils()

Method Detail

sortLoadedClasses

public static <T> void sortLoadedClasses(List<T> loaded)

Sorts a list of loaded classes, so that non-Tika ones come before Tika ones, and otherwise in reverse alphabetical order

newInstance

public static <T> T newInstance(String className)

Loads a class and instantiates it

Type Parameters:

T - service type

Parameters:

className - service class name

Returns:

instance of service

newInstance

public static <T> T newInstance(String className,
                                ClassLoader loader)

Loads a class and instantiates it

Type Parameters:

T - service type

Parameters:

className - service class name

loader - class loader

Returns:

instance of service

newInstance

public static <T> T newInstance(Class klass,
                                ServiceLoader loader)

Loads a class and instantiates it. If the class can be initialized with a ServiceLoader, the ServiceLoader constructor is used. Otherwise, a zero arg newInstance() is called.

Type Parameters:

T - service type

Parameters:

klass - class to build

loader - service loader

Returns:

instance of service