org.apache.any23.extractor

Class ExtractorRegistryImpl

java.lang.Object

info.aduna.lang.service.ServiceRegistry<String,ExtractorFactory>

org.apache.any23.extractor.ExtractorRegistryImpl

All Implemented Interfaces:

ExtractorRegistry

public class ExtractorRegistryImpl
extends info.aduna.lang.service.ServiceRegistry<String,ExtractorFactory>
implements ExtractorRegistry

Singleton class acting as a register for all the various Extractor.

Field Summary

Fields inherited from class info.aduna.lang.service.ServiceRegistry

logger, services

Constructor Summary

Constructors

Constructor and Description
ExtractorRegistryImpl() Public constructor for ExtractorRegistryImpl.

Method Summary

Methods

Modifier and Type	Method and Description
List<String>	getAllNames() Returns the names of all registered extractors, sorted alphabetically.
ExtractorGroup	getExtractorGroup()
ExtractorGroup	getExtractorGroup(List<String> names) Returns an ExtractorGroup containing the ExtractorFactory mathing the names provided as input.
ExtractorFactory<?>	getFactory(String name) Retrieves a ExtractorFactory given its name
static ExtractorRegistry	getInstance()
protected String	getKey(ExtractorFactory service)
boolean	isRegisteredName(String name)
void	register(ExtractorFactory<?> factory) Registers an ExtractorFactory.
void	unregister(String name) Unregisters the ExtractorFactory with the given name.

Methods inherited from class info.aduna.lang.service.ServiceRegistry

add, get, getAll, getKeys, has, remove

Methods inherited from class java.lang.Object

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

Constructor Detail

ExtractorRegistryImpl

public ExtractorRegistryImpl()

Public constructor for ExtractorRegistryImpl. Should normally call getInstance.

Method Detail

getInstance

public static ExtractorRegistry getInstance()

Returns:

returns the ExtractorRegistry instance.

register

public void register(ExtractorFactory<?> factory)

Registers an ExtractorFactory.

Specified by:

register in interface ExtractorRegistry

Parameters:

factory -

Throws:

IllegalArgumentException - if trying to register a ExtractorFactory with a that already exists in the registry.

unregister

public void unregister(String name)

Unregisters the ExtractorFactory with the given name.

Specified by:

unregister in interface ExtractorRegistry

Parameters:

name - The name of the ExtractorFactory to unregister.

getFactory

public ExtractorFactory<?> getFactory(String name)

Retrieves a ExtractorFactory given its name

Specified by:

getFactory in interface ExtractorRegistry

Parameters:

name - of the desired factory

Returns:

the ExtractorFactory associated to the provided name

Throws:

IllegalArgumentException - if there is not a ExtractorFactory associated to the provided name.

getExtractorGroup

public ExtractorGroup getExtractorGroup()

Specified by:

getExtractorGroup in interface ExtractorRegistry

Returns:

an ExtractorGroup with all the registered Extractor.

getExtractorGroup

public ExtractorGroup getExtractorGroup(List<String> names)

Returns an ExtractorGroup containing the ExtractorFactory mathing the names provided as input.

Specified by:

getExtractorGroup in interface ExtractorRegistry

Parameters:

names - a List containing the names of the desired ExtractorFactory.

Returns:

the extraction group.

isRegisteredName

public boolean isRegisteredName(String name)

Specified by:

isRegisteredName in interface ExtractorRegistry

Parameters:

name - of the ExtractorFactory

Returns:

true if is there a ExtractorFactory associated to the provided name.

getAllNames

public List<String> getAllNames()

Returns the names of all registered extractors, sorted alphabetically.

Specified by:

getAllNames in interface ExtractorRegistry

getKey

protected String getKey(ExtractorFactory service)

Specified by:

getKey in class info.aduna.lang.service.ServiceRegistry<String,ExtractorFactory>