Package org.apache.tika.parser.ner

Class NamedEntityParser

java.lang.Object

org.apache.tika.parser.AbstractParser

org.apache.tika.parser.ner.NamedEntityParser

All Implemented Interfaces:

Serializable, org.apache.tika.parser.Parser

public class NamedEntityParser
extends org.apache.tika.parser.AbstractParser

This implementation of Parser extracts entity names from text content and adds it to the metadata.

All the metadata keys will have a common suffix "NER_"

The Named Entity recogniser implementation can be changed by setting the system property "ner.impl.class" value to a name of class that implements NERecogniser contract

See Also:

OpenNLPNERecogniser, NERecogniser, Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static String	DEFAULT_NER_IMPL
static org.slf4j.Logger	LOG
static String	MD_KEY_PREFIX
static Set<org.apache.tika.mime.MediaType>	MEDIA_TYPES
org.apache.tika.Tika	secondaryParser
static String	SYS_PROP_NER_IMPL

Constructor Summary

Constructors

Constructor	Description
NamedEntityParser()

Method Summary

Modifier and Type	Method	Description
Set<org.apache.tika.mime.MediaType>	getSupportedTypes(org.apache.tika.parser.ParseContext parseContext)
void	parse(InputStream inputStream, ContentHandler contentHandler, org.apache.tika.metadata.Metadata metadata, org.apache.tika.parser.ParseContext parseContext)

Methods inherited from class org.apache.tika.parser.AbstractParser

parse

Methods inherited from class java.lang.Object

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

Field Detail

LOG

public static final org.slf4j.Logger LOG

MEDIA_TYPES

public static final Set<org.apache.tika.mime.MediaType> MEDIA_TYPES

MD_KEY_PREFIX

public static final String MD_KEY_PREFIX

See Also:

Constant Field Values

DEFAULT_NER_IMPL

public static final String DEFAULT_NER_IMPL

SYS_PROP_NER_IMPL

public static final String SYS_PROP_NER_IMPL

See Also:

Constant Field Values

secondaryParser

public org.apache.tika.Tika secondaryParser

Constructor Detail

NamedEntityParser

public NamedEntityParser()

Method Detail

getSupportedTypes

public Set<org.apache.tika.mime.MediaType> getSupportedTypes(org.apache.tika.parser.ParseContext parseContext)

parse

public void parse(InputStream inputStream,
                  ContentHandler contentHandler,
                  org.apache.tika.metadata.Metadata metadata,
                  org.apache.tika.parser.ParseContext parseContext)
           throws IOException,
                  SAXException,
                  org.apache.tika.exception.TikaException

Throws:

IOException

SAXException

org.apache.tika.exception.TikaException