Package com.norconex.crawler.web.doc.operations.link.impl

Class XmlFeedLinkExtractor

java.lang.Object

com.norconex.crawler.web.doc.operations.link.impl.XmlFeedLinkExtractor

All Implemented Interfaces:

Configurable<XmlFeedLinkExtractorConfig>, LinkExtractor

public class XmlFeedLinkExtractor
extends Object
implements LinkExtractor, Configurable<XmlFeedLinkExtractorConfig>

Link extractor for extracting links out of RSS and Atom XML feeds. It extracts the content of <link> tags. If you need more complex extraction, consider using RegexLinkExtractor or creating your own LinkExtractor implementation.

Applicable documents

By default, this extractor only will be applied on documents matching one of the content types defined by CommonMatchers.XML_FEED_CONTENT_TYPES.

Referrer data

The following referrer information is stored as metadata in each document represented by the extracted URLs:

• Referrer reference: The reference (URL) of the page where the link to a document was found. Metadata value is WebDocMetadata.REFERRER_REFERENCE.

Since:

2.7.0

Field Summary

Fields inherited from interface com.norconex.commons.lang.config.Configurable

PROPERTY

Constructor Summary

Constructors

Constructor	Description
XmlFeedLinkExtractor()

Method Summary

Modifier and Type	Method	Description
protected boolean	canEqual(Object other)
boolean	equals(Object o)
Set<Link>	extractLinks(Doc doc)
XmlFeedLinkExtractorConfig	getConfiguration()
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Details

XmlFeedLinkExtractor

public XmlFeedLinkExtractor()

Method Details

extractLinks

public Set<Link> extractLinks(Doc doc)
                       throws IOException

Specified by:

extractLinks in interface LinkExtractor

Throws:

IOException

equals

public boolean equals(Object o)

Overrides:

equals in class Object

canEqual

protected boolean canEqual(Object other)

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object

getConfiguration

public XmlFeedLinkExtractorConfig getConfiguration()

Specified by:

getConfiguration in interface Configurable<XmlFeedLinkExtractorConfig>