org.da.sparqlhelper.sparql.parser

Class SPARQLParser

java.lang.Object

org.da.sparqlhelper.sparql.parser.SPARQLParser

public class SPARQLParser
extends java.lang.Object

This class allows to parse a query and return the associated SPARQL model.

Constructor Summary

Constructors

Constructor and Description
SPARQLParser(java.lang.String prefix) Create a new SPARQLParser.
SPARQLParser(java.lang.String prefix, boolean parsePrefix) Create a new SPARQLParser.
SPARQLParser(java.lang.String prefix, boolean parsePrefix, boolean parseComments) Create a new SPARQLParser.
SPARQLParser(java.lang.String prefix, SparqlPrefixDeclarations prefixDecl) Create a new SPARQLParser.
SPARQLParser(java.lang.String prefix, SparqlPrefixDeclarations prefixDecl, boolean parseComments) Create a new SPARQLParser.

Method Summary

Modifier and Type	Method and Description
void	addSparqlParserListener(SparqlParserListener listener) Add a parser listener.
SparqlPrefixDeclarations	getPrefixDeclarations() Return the prefix declarations.
java.util.List<SparqlParserListener>	getSparqlParserListeners() Return the parser listeners.
boolean	isParsingComments() Return true if the parser parse comments
SparqlRequest	parseQuery(java.lang.String queryStr) Parse a query.
SparqlRequest	parseQuery(java.net.URL queryURL) Parse a query, for the UTF-8 charset.
SparqlRequest	parseQuery(java.net.URL queryURL, java.lang.String charset) Parse a query.
void	setParseComments(boolean parseComments) Set if the parser parse comments
void	setPrefixDeclarations(SparqlPrefixDeclarations prefixDecl) Set the prefix declarations.

Methods inherited from class java.lang.Object

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

Constructor Detail

SPARQLParser

public SPARQLParser(java.lang.String prefix)

Create a new SPARQLParser.

Parameters:

prefix - the prefix

SPARQLParser

public SPARQLParser(java.lang.String prefix,
                    boolean parsePrefix)

Create a new SPARQLParser.

Parameters:

prefix - the prefix

parsePrefix - true if the prefixes found in the SPARQL content must be kept

SPARQLParser

public SPARQLParser(java.lang.String prefix,
                    boolean parsePrefix,
                    boolean parseComments)

Create a new SPARQLParser.

Parameters:

prefix - the prefix

parsePrefix - true if the prefixes found in the SPARQL content must be kept

parseComments - true if the comments are parsed

SPARQLParser

public SPARQLParser(java.lang.String prefix,
                    SparqlPrefixDeclarations prefixDecl)

Create a new SPARQLParser.

Parameters:

prefix - the prefix

prefixDecl - the prefix declarations

SPARQLParser

public SPARQLParser(java.lang.String prefix,
                    SparqlPrefixDeclarations prefixDecl,
                    boolean parseComments)

Create a new SPARQLParser.

Parameters:

prefix - the prefix

prefixDecl - the prefix declarations

parseComments - true if the comments are parsed

Method Detail

setPrefixDeclarations

public void setPrefixDeclarations(SparqlPrefixDeclarations prefixDecl)

Set the prefix declarations.

Parameters:

prefixDecl - the prefix declarations

getPrefixDeclarations

public SparqlPrefixDeclarations getPrefixDeclarations()

Return the prefix declarations.

Returns:

the prefix declarations

addSparqlParserListener

public void addSparqlParserListener(SparqlParserListener listener)

Add a parser listener.

Parameters:

listener - the listener

getSparqlParserListeners

public java.util.List<SparqlParserListener> getSparqlParserListeners()

Return the parser listeners.

Returns:

the listeners

setParseComments

public void setParseComments(boolean parseComments)

Set if the parser parse comments

Parameters:

parseComments - true if the parser parse comments

isParsingComments

public boolean isParsingComments()

Return true if the parser parse comments

Returns:

true if the parser parse comments

parseQuery

public SparqlRequest parseQuery(java.lang.String queryStr)
                         throws MalformedQueryException

Parse a query. An exception will be fired if the query is malformed and SparqlHelperConfig.getErrorsHandlingType() is set to ErrorsHandlingType.EXCEPTION, else an empty query with no matches will be created, and the getSparqlParserListeners() will be fired.

Parameters:

queryStr - the query as a String

Returns:

the query

Throws:

MalformedQueryException - the exception

parseQuery

public SparqlRequest parseQuery(java.net.URL queryURL,
                                java.lang.String charset)
                         throws MalformedQueryException

Parse a query.

Parameters:

queryURL - the URL containing the query

charset - the charset

Returns:

the query

Throws:

MalformedQueryException

parseQuery

public SparqlRequest parseQuery(java.net.URL queryURL)
                         throws MalformedQueryException

Parse a query, for the UTF-8 charset.

Parameters:

queryURL - the URL containing the query

Returns:

the query

Throws:

MalformedQueryException