org.deri.tarql

Class TarqlParser

java.lang.Object

org.deri.tarql.TarqlParser

public class TarqlParser
extends java.lang.Object

Parses a TarqlQuery provided as a string or reader.

Field Summary

Fields

Modifier and Type	Field and Description
private boolean	done
private static org.slf4j.Logger	log
private java.io.Reader	reader
private TarqlQuery	result
private boolean	seenSelectOrAsk

Constructor Summary

Constructors

Constructor and Description
TarqlParser(java.io.Reader reader) Class constructor.
TarqlParser(java.io.Reader reader, java.lang.String baseIRI) Class constructor.
TarqlParser(java.lang.String filenameOrURL) Class constructor.

Method Summary

Methods

Modifier and Type	Method and Description
TarqlQuery	getResult() Build a TarqlQuery object from the query.
private static java.io.Reader	open(java.lang.String filenameOrURL) Open input from filename or URL.
private void	parse() Set the SPARQL 1.1 query parser.
private void	parseDo(com.hp.hpl.jena.sparql.lang.sparql_11.SPARQLParser11 parser) Parse and validate the SPARQL 1.1 query.

Methods inherited from class java.lang.Object

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

Field Detail

log

private static final org.slf4j.Logger log

reader

private final java.io.Reader reader

result

private final TarqlQuery result

done

private boolean done

seenSelectOrAsk

private boolean seenSelectOrAsk

Constructor Detail

TarqlParser

public TarqlParser(java.lang.String filenameOrURL)

Class constructor.

Parameters:

filenameOrURL - Input filename or URL.

TarqlParser

public TarqlParser(java.io.Reader reader)

Class constructor.

Parameters:

reader - Input file reader.

TarqlParser

public TarqlParser(java.io.Reader reader,
           java.lang.String baseIRI)

Class constructor.

Parameters:

reader - Input file reader.

baseIRI - Base IRI.

Method Detail

open

private static java.io.Reader open(java.lang.String filenameOrURL)

Open input from filename or URL.

Parameters:

filenameOrURL - Input filename or URL.

Returns:

File reader.

getResult

public TarqlQuery getResult()

Build a TarqlQuery object from the query.

Returns:

TarqlQuery instance.

parse

private void parse()

Set the SPARQL 1.1 query parser.

Adapted from ARQ ParserSPARQL11.java

parseDo

private void parseDo(com.hp.hpl.jena.sparql.lang.sparql_11.SPARQLParser11 parser)
              throws com.hp.hpl.jena.sparql.lang.sparql_11.ParseException

Parse and validate the SPARQL 1.1 query.

Parameters:

parser - SPARQL parser.

Throws:

com.hp.hpl.jena.sparql.lang.sparql_11.ParseException