Package opennlp.tools.langdetect

Class LanguageDetectorFactory

java.lang.Object

opennlp.tools.util.BaseToolFactory

opennlp.tools.langdetect.LanguageDetectorFactory

public class LanguageDetectorFactory
extends BaseToolFactory

Default factory used by LanguageDetector.

Extend this class to change the Language Detector behaviour, such as the LanguageDetectorContextGenerator. The default DefaultLanguageDetectorContextGenerator will use char n-grams of size 1 to 3 and the following normalizers:

• EmojiCharSequenceNormalizer
• UrlCharSequenceNormalizer
• TwitterCharSequenceNormalizer
• NumberCharSequenceNormalizer
• ShrinkCharSequenceNormalizer

Constructor Summary

Constructors

Constructor	Description
LanguageDetectorFactory()

Method Summary

Modifier and Type	Method	Description
static LanguageDetectorFactory	create(String subclassName)	Instantiates a LanguageDetectorFactory via a given subclassName.
LanguageDetectorContextGenerator	getContextGenerator()
void	init()
void	validateArtifactMap()	Validates the parsed artifacts.

Methods inherited from class opennlp.tools.util.BaseToolFactory

create, create, createArtifactMap, createArtifactSerializersMap, createManifestEntries

Methods inherited from class java.lang.Object

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

Constructor Detail

LanguageDetectorFactory

public LanguageDetectorFactory()

Method Detail

getContextGenerator

public LanguageDetectorContextGenerator getContextGenerator()

Returns:

Retrieves a LanguageDetectorContextGenerator.

create

public static LanguageDetectorFactory create(String subclassName)
                                      throws InvalidFormatException

Instantiates a LanguageDetectorFactory via a given subclassName.

Parameters:

subclassName - The class name used for instantiation. If null, an instance of LanguageDetectorFactory will be returned per default. Otherwise, the ExtensionLoader mechanism is applied to load the requested subclassName.

Returns:

A valid LanguageDetectorFactory instance.

Throws:

InvalidFormatException - Thrown if the ExtensionLoader mechanism failed to create the factory associated with subclassName.

init

public void init()

validateArtifactMap

public void validateArtifactMap()
                         throws InvalidFormatException

Description copied from class: BaseToolFactory

Validates the parsed artifacts.

Note: Subclasses should generally invoke super.validateArtifactMap at the beginning of this method.

Specified by:

validateArtifactMap in class BaseToolFactory

Throws:

InvalidFormatException - Thrown if validation found invalid states.