net.rootdev.javardfa.output

Class OGPReader

java.lang.Object

net.rootdev.javardfa.output.OGPReader

All Implemented Interfaces:

StatementSink

public class OGPReader
extends Object
implements StatementSink

Author:

pldms

Constructor Summary

Constructors

Constructor and Description
OGPReader()

Method Summary

Modifier and Type	Method and Description
void	addLiteral(String subject, String predicate, String lex, String lang, String datatype) Add statement with a literal object.
void	addObject(String subject, String predicate, String object) Add statement with non-literal object.
void	addPrefix(String prefix, String uri) Add a prefix mapping.
void	end() Complete parsing
Map<String,String>	getContent()
static Map<String,String>	getOGP(String url, ParserFactory.Format format) A rudimentary Open Graph Protocol parser
void	setBase(String base)
void	start() Begin parsing

Methods inherited from class java.lang.Object

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

Constructor Detail

OGPReader

public OGPReader()

Method Detail

start

public void start()

Description copied from interface: StatementSink

Begin parsing

Specified by:

start in interface StatementSink

end

public void end()

Description copied from interface: StatementSink

Complete parsing

Specified by:

end in interface StatementSink

addObject

public void addObject(String subject,
                      String predicate,
                      String object)

Description copied from interface: StatementSink

Add statement with non-literal object. Blank nodes begin with _:, variables with ?, otherwise IRI

Specified by:

addObject in interface StatementSink

Parameters:

subject - Subject of triple

predicate - Predicate

object - Object

addLiteral

public void addLiteral(String subject,
                       String predicate,
                       String lex,
                       String lang,
                       String datatype)

Description copied from interface: StatementSink

Add statement with a literal object. As above, blank nodes begin with _:, variables with ?, otherwise IRI

Specified by:

addLiteral in interface StatementSink

Parameters:

subject - Subject of triple

predicate - Predicate

lex - Lexical form

lang - Language (may be null)

datatype - Datatype IRI (may be null)

addPrefix

public void addPrefix(String prefix,
                      String uri)

Description copied from interface: StatementSink

Add a prefix mapping.

Specified by:

addPrefix in interface StatementSink

setBase

public void setBase(String base)

Specified by:

setBase in interface StatementSink

getContent

public Map<String,String> getContent()

getOGP

public static Map<String,String> getOGP(String url,
                                        ParserFactory.Format format)
                                 throws SAXException,
                                        IOException

A rudimentary Open Graph Protocol parser

Parameters:

url - Source to parse

format - HTML or XHTML

Returns:

Map from key to value. For OGP properties the key is simple (e.g. email)

Throws:

SAXException

IOException