org.creativecommons.nutch

Class CCIndexingFilter

java.lang.Object

org.creativecommons.nutch.CCIndexingFilter

All Implemented Interfaces:

org.apache.hadoop.conf.Configurable, IndexingFilter, Pluggable

public class CCIndexingFilter
extends Object
implements IndexingFilter

Adds basic searchable fields to a document.

Field Summary

Fields

Modifier and Type	Field and Description
static String	FIELD The name of the document field we use.
static org.slf4j.Logger	LOG

Fields inherited from interface org.apache.nutch.indexer.IndexingFilter

X_POINT_ID

Constructor Summary

Constructors

Constructor and Description
CCIndexingFilter()

Method Summary

Methods

Modifier and Type	Method and Description
void	addUrlFeatures(NutchDocument doc, String urlString) Add the features represented by a license URL.
NutchDocument	filter(NutchDocument doc, Parse parse, org.apache.hadoop.io.Text url, CrawlDatum datum, Inlinks inlinks) Adds fields or otherwise modifies the document that will be indexed for a parse.
org.apache.hadoop.conf.Configuration	getConf()
void	setConf(org.apache.hadoop.conf.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

FIELD

public static String FIELD

The name of the document field we use.

Constructor Detail

CCIndexingFilter

public CCIndexingFilter()

Method Detail

filter

public NutchDocument filter(NutchDocument doc,
                   Parse parse,
                   org.apache.hadoop.io.Text url,
                   CrawlDatum datum,
                   Inlinks inlinks)
                     throws IndexingException

Description copied from interface: IndexingFilter

Adds fields or otherwise modifies the document that will be indexed for a parse. Unwanted documents can be removed from indexing by returning a null value.

Specified by:

filter in interface IndexingFilter

Parameters:

doc - document instance for collecting fields

parse - parse data instance

url - page url

datum - crawl datum for the page

inlinks - page inlinks

Returns:

modified (or a new) document instance, or null (meaning the document should be discarded)

Throws:

IndexingException

addUrlFeatures

public void addUrlFeatures(NutchDocument doc,
                  String urlString)

Add the features represented by a license URL. Urls are of the form "http://creativecommons.org/licenses/xx-xx/xx/xx", where "xx" names a license feature.

setConf

public void setConf(org.apache.hadoop.conf.Configuration conf)

Specified by:

setConf in interface org.apache.hadoop.conf.Configurable

getConf

public org.apache.hadoop.conf.Configuration getConf()

Specified by:

getConf in interface org.apache.hadoop.conf.Configurable