org.openrdf.query.parser
Class QueryParserUtil

java.lang.Object
  org.openrdf.query.parser.QueryParserUtil

public class QueryParserUtil
extends Object

Utility class for creating query parsers and parsing queries in various query languages.

Constructor Summary

QueryParserUtil()

Method Summary

static QueryParser	createParser(QueryLanguage ql)
static ParsedBooleanQuery	parseBooleanQuery(QueryLanguage ql, String query, String baseURI) Parses the supplied query into a query model.
static ParsedGraphQuery	parseGraphQuery(QueryLanguage ql, String query, String baseURI) Parses the supplied query into a query model.
static ParsedQuery	parseQuery(QueryLanguage ql, String query, String baseURI) Parses the supplied query into a query model.
static ParsedTupleQuery	parseTupleQuery(QueryLanguage ql, String query, String baseURI) Parses the supplied query into a query model.

Methods inherited from class java.lang.Object

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

Constructor Detail

QueryParserUtil

public QueryParserUtil()

Method Detail

createParser

public static QueryParser createParser(QueryLanguage ql)
                                throws UnsupportedQueryLanguageException

Throws:

UnsupportedQueryLanguageException

parseQuery

public static ParsedQuery parseQuery(QueryLanguage ql,
                                     String query,
                                     String baseURI)
                              throws MalformedQueryException,
                                     UnsupportedQueryLanguageException

Parses the supplied query into a query model.

Parameters:

ql - The language in which the query is formulated.

query - The query.

baseURI - The base URI to resolve any relative URIs that are in the query against, can be null if the query does not contain any relative URIs.

Returns:

The query model for the parsed query.

Throws:

MalformedQueryException - If the supplied query was malformed.

UnsupportedQueryLanguageException - If the specified query language is not supported.

parseTupleQuery

public static ParsedTupleQuery parseTupleQuery(QueryLanguage ql,
                                               String query,
                                               String baseURI)
                                        throws MalformedQueryException,
                                               UnsupportedQueryLanguageException

Parses the supplied query into a query model.

Parameters:

ql - The language in which the query is formulated.

query - The query.

Returns:

The query model for the parsed query.

Throws:

IllegalArgumentException - If the supplied query is not a tuple query.

MalformedQueryException - If the supplied query was malformed.

UnsupportedQueryLanguageException - If the specified query language is not supported.

parseGraphQuery

public static ParsedGraphQuery parseGraphQuery(QueryLanguage ql,
                                               String query,
                                               String baseURI)
                                        throws MalformedQueryException,
                                               UnsupportedQueryLanguageException

Parses the supplied query into a query model.

Parameters:

ql - The language in which the query is formulated.

query - The query.

Returns:

The query model for the parsed query.

Throws:

IllegalArgumentException - If the supplied query is not a graph query.

MalformedQueryException - If the supplied query was malformed.

UnsupportedQueryLanguageException - If the specified query language is not supported.

parseBooleanQuery

public static ParsedBooleanQuery parseBooleanQuery(QueryLanguage ql,
                                                   String query,
                                                   String baseURI)
                                            throws MalformedQueryException,
                                                   UnsupportedQueryLanguageException

Parses the supplied query into a query model.

Parameters:

ql - The language in which the query is formulated.

query - The query.

Returns:

The query model for the parsed query.

Throws:

IllegalArgumentException - If the supplied query is not a graph query.

MalformedQueryException - If the supplied query was malformed.

UnsupportedQueryLanguageException - If the specified query language is not supported.