org.apache.nutch.analysis.lang

Class HTMLLanguageParser

java.lang.Object

org.apache.nutch.analysis.lang.HTMLLanguageParser

All Implemented Interfaces:

Configurable, ParseFilter, FieldPluggable, Pluggable

public class HTMLLanguageParser
extends Object
implements ParseFilter

Adds metadata identifying language of document if found We could also run statistical analysis here but we'd miss all other formats

Field Summary

Fields

Modifier and Type	Field and Description
static org.slf4j.Logger	LOG

Fields inherited from interface org.apache.nutch.parse.ParseFilter

X_POINT_ID

Constructor Summary

Constructors

Constructor and Description
HTMLLanguageParser()

Method Summary

Methods

Modifier and Type	Method and Description
Parse	filter(String url, WebPage page, Parse parse, HTMLMetaTags metaTags, DocumentFragment doc) Scan the HTML document looking at possible indications of content language 1.
Configuration	getConf()
Collection<WebPage.Field>	getFields()
void	setConf(Configuration conf)

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

Constructor Detail

HTMLLanguageParser

public HTMLLanguageParser()

Method Detail

filter

public Parse filter(String url,
           WebPage page,
           Parse parse,
           HTMLMetaTags metaTags,
           DocumentFragment doc)

Scan the HTML document looking at possible indications of content language

1. html lang attribute (http://www.w3.org/TR/REC-html40/struct/dirlang.html#h-8.1) 2. meta dc.language (http://dublincore.org/documents/2000/07/16/usageguide/qualified -html.shtml#language) 3. meta http-equiv (content-language) (http://www.w3.org/TR/REC-html40/struct/global.html#h-7.4.4.2)

Specified by:

filter in interface ParseFilter

setConf

public void setConf(Configuration conf)

Specified by:

setConf in interface Configurable

getConf

public Configuration getConf()

Specified by:

getConf in interface Configurable

getFields

public Collection<WebPage.Field> getFields()

Specified by:

getFields in interface FieldPluggable