nz.ac.waikato.mcennis.rat.parser.xmlHandler
Class LastFMSimilarUsers

java.lang.Object
  org.xml.sax.helpers.DefaultHandler
      nz.ac.waikato.mcennis.rat.parser.xmlHandler.Handler
          nz.ac.waikato.mcennis.rat.parser.xmlHandler.LastFMSimilarUsers

All Implemented Interfaces:

org.xml.sax.ContentHandler, org.xml.sax.DTDHandler, org.xml.sax.EntityResolver, org.xml.sax.ErrorHandler

public class LastFMSimilarUsers
extends Handler

Parse the Neighbour XML file from LastFM. See audioscrobbler.net for a description of the file format. Usually obtained from the CrawlLastFM data aquisition module. Contains all usernames that are suffeciently similar to this user by artist playcount. Also provides the degree of similarity in a double between 0-1.

Field Summary

Fields inherited from class nz.ac.waikato.mcennis.rat.parser.xmlHandler.Handler

properties, site

Constructor Summary

LastFMSimilarUsers()

Method Summary

void	characters(char[] ch, int start, int length)
Handler	duplicate() Create a complete duplicate of this class
void	endElement(java.lang.String uri, java.lang.String localName, java.lang.String qName)
ParsedObject	get() Return the underlying parsed object
void	set(ParsedObject o) Set the underlying parsed object for parsing
void	setCrawler(Crawler crawler) Set the crawler to be used for spidering new pages
void	setDocumentLocator(org.xml.sax.Locator locator)
void	setExpansion(LastFMUserExpansion expansion) Set the reference to the object that handles setting up the crawling of new users using LastFM webservices.
void	setParser(ToFileParser parser) Set where the given parser will store files when they are parsed
void	startElement(java.lang.String uri, java.lang.String localName, java.lang.String qName, org.xml.sax.Attributes attributes)

Methods inherited from class nz.ac.waikato.mcennis.rat.parser.xmlHandler.Handler

check, check, error, fatalError, getName, getParameter, getParameter, init, setName, setProperties, warning

Methods inherited from class org.xml.sax.helpers.DefaultHandler

endDocument, endPrefixMapping, ignorableWhitespace, notationDecl, processingInstruction, resolveEntity, skippedEntity, startDocument, startPrefixMapping, unparsedEntityDecl

Methods inherited from class java.lang.Object

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

Constructor Detail

LastFMSimilarUsers

public LastFMSimilarUsers()

Method Detail

setParser

public void setParser(ToFileParser parser)

Set where the given parser will store files when they are parsed

Parameters:

parser - ToFileParser to store files parsed by this parser

get

public ParsedObject get()

Description copied from class: Handler

Return the underlying parsed object

Specified by:

get in class Handler

Returns:

parsed object

set

public void set(ParsedObject o)

Description copied from class: Handler

Set the underlying parsed object for parsing

Specified by:

set in class Handler

Parameters:

o - underlying parsed object

duplicate

public Handler duplicate()

Description copied from class: Handler

Create a complete duplicate of this class

Specified by:

duplicate in class Handler

Returns:

deep copy of the original.

endElement

public void endElement(java.lang.String uri,
                       java.lang.String localName,
                       java.lang.String qName)
                throws org.xml.sax.SAXException

Specified by:

endElement in interface org.xml.sax.ContentHandler

Overrides:

endElement in class org.xml.sax.helpers.DefaultHandler

Throws:

org.xml.sax.SAXException

startElement

public void startElement(java.lang.String uri,
                         java.lang.String localName,
                         java.lang.String qName,
                         org.xml.sax.Attributes attributes)
                  throws org.xml.sax.SAXException

Specified by:

startElement in interface org.xml.sax.ContentHandler

Overrides:

startElement in class org.xml.sax.helpers.DefaultHandler

Throws:

org.xml.sax.SAXException

characters

public void characters(char[] ch,
                       int start,
                       int length)
                throws org.xml.sax.SAXException

Specified by:

characters in interface org.xml.sax.ContentHandler

Overrides:

characters in class org.xml.sax.helpers.DefaultHandler

Throws:

org.xml.sax.SAXException

setCrawler

public void setCrawler(Crawler crawler)

Description copied from class: Handler

Set the crawler to be used for spidering new pages

Overrides:

setCrawler in class Handler

Parameters:

crawler - crawler to be parsing.

setExpansion

public void setExpansion(LastFMUserExpansion expansion)

Set the reference to the object that handles setting up the crawling of new users using LastFM webservices.

Parameters:

expansion - object to handle crawling of users

setDocumentLocator

public void setDocumentLocator(org.xml.sax.Locator locator)

Specified by:

setDocumentLocator in interface org.xml.sax.ContentHandler

Overrides:

setDocumentLocator in class org.xml.sax.helpers.DefaultHandler