org.eclipse.rdf4j.sparqlbuilder.rdf

Class Rdf

java.lang.Object

org.eclipse.rdf4j.sparqlbuilder.rdf.Rdf

public class Rdf
extends Object

A class with static methods to create basic SparqlBuilder RDF objects from either string values or RDF4J Model objects.

Method Summary

Modifier and Type	Method and Description
static RdfBlankNode.AnonymousBlankNode	bNode() create an empty anonymous blank node
static RdfBlankNode.PropertiesBlankNode	bNode(RdfPredicate predicate, RdfObject... objects) creates a label-less blank node, identified by the supplied predicate-object lists
static RdfBlankNode.LabeledBlankNode	bNode(String label) creates a labeled blank node
static Iri	iri(IRI iri) Create a SparqlBuilder Iri instance from an IRI
static Iri	iri(String iriString) Create a SparqlBuilder Iri instance from a String iri
static Iri	iri(String namespace, String localName) Create a SparqlBuilder Iri instance from a namespace and local name
static RdfLiteral.BooleanLiteral	literalOf(Boolean boolValue) create an RDF boolean literal
static RdfLiteral.NumericLiteral	literalOf(Number numberValue) create an RDF numeric literal
static RdfLiteral.StringLiteral	literalOf(String stringValue) create an RDF string literal
static RdfLiteral.StringLiteral	literalOfLanguage(String stringValue, String language) create a literal with a language tag
static RdfLiteral.StringLiteral	literalOfType(String stringValue, Iri dataType) create a literal with a datatype
static RdfLiteral.StringLiteral	literalOfType(String stringValue, IRI dataType) create a literal with a datatype
static RdfObject	object(Value value) Converts an object Values to an RdfObjects.
static RdfObject[]	objects(Value... values) Converts an array of object Values to an array of RdfObjects.
static RdfPredicateObjectList	predicateObjectList(RdfPredicate predicate, RdfObject... objects) Create a RdfPredicateObjectList
static RdfPredicateObjectListCollection	predicateObjectListCollection(RdfPredicateObjectList... predicateObjectLists) Create a RdfPredicateObjectListCollection with the given RdfPredicateObjectList(s)
static RdfPredicateObjectListCollection	predicateObjectListCollection(RdfPredicate predicate, RdfObject... objects) Create a RdfPredicateObjectListCollection with an initial RdfPredicateObjectList
static RdfLiteral.BooleanLiteral[]	toRdfLiteralArray(Boolean... literals) Convert an array of Booleans to an array of RdfLiteral.BooleanLiterals
static RdfLiteral.NumericLiteral[]	toRdfLiteralArray(Number... literals) Convert an array of Numbers to an array of RdfLiteral.NumericLiterals
static RdfLiteral.StringLiteral[]	toRdfLiteralArray(String... literals) Convert an array of Strings to an array of RdfLiteral.StringLiterals

Methods inherited from class java.lang.Object

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

Method Detail

iri

public static Iri iri(String iriString)

Create a SparqlBuilder Iri instance from a String iri

Parameters:

iriString - the String representing the iri

Returns:

the Iri instance

iri

public static Iri iri(IRI iri)

Create a SparqlBuilder Iri instance from an IRI

Parameters:

iri - the IRI

Returns:

the SparqlBuilder Iri instance

iri

public static Iri iri(String namespace,
                      String localName)

Create a SparqlBuilder Iri instance from a namespace and local name

Parameters:

namespace - the namespace of the Iri

localName - the local name of the Iri

Returns:

a Iri instance

bNode

public static RdfBlankNode.LabeledBlankNode bNode(String label)

creates a labeled blank node

Parameters:

label - the label of the blank node

Returns:

a new RdfBlankNode.LabeledBlankNode instance

bNode

public static RdfBlankNode.PropertiesBlankNode bNode(RdfPredicate predicate,
                                                     RdfObject... objects)

creates a label-less blank node, identified by the supplied predicate-object lists

Parameters:

predicate - the predicate of the initial predicate-object list to populate this blank node with

objects - the objects of the initial predicate-object list to populate this blank node with

Returns:

a new RdfBlankNode.PropertiesBlankNode instance

See Also:

Blank node syntax

bNode

public static RdfBlankNode.AnonymousBlankNode bNode()

create an empty anonymous blank node

Returns:

an empty RdfBlankNode.AnonymousBlankNode instance

literalOf

public static RdfLiteral.StringLiteral literalOf(String stringValue)

create an RDF string literal

Parameters:

stringValue - the String instance to create a literal from

Returns:

a RdfLiteral.StringLiteral instance representing the given String

literalOfType

public static RdfLiteral.StringLiteral literalOfType(String stringValue,
                                                     Iri dataType)

create a literal with a datatype

Parameters:

stringValue - the literal string

dataType - the datatype tag

Returns:

a RdfLiteral.StringLiteral instance representing the given String and datatype

literalOfType

public static RdfLiteral.StringLiteral literalOfType(String stringValue,
                                                     IRI dataType)

create a literal with a datatype

Parameters:

stringValue - the literal string

dataType - the datatype as a IRI

Returns:

a RdfLiteral.StringLiteral instance representing the given String and datatype

literalOfLanguage

public static RdfLiteral.StringLiteral literalOfLanguage(String stringValue,
                                                         String language)

create a literal with a language tag

Parameters:

stringValue - the literal string

language - the language tag

Returns:

a RdfLiteral.StringLiteral instance representing the given String and language

literalOf

public static RdfLiteral.NumericLiteral literalOf(Number numberValue)

create an RDF numeric literal

Parameters:

numberValue - the Number instance to create a literal from

Returns:

a RdfLiteral.NumericLiteral instance representing the given Number

literalOf

public static RdfLiteral.BooleanLiteral literalOf(Boolean boolValue)

create an RDF boolean literal

Parameters:

boolValue - the boolean to create a literal from

Returns:

a RdfLiteral.BooleanLiteral instance representing the given boolean

predicateObjectList

public static RdfPredicateObjectList predicateObjectList(RdfPredicate predicate,
                                                         RdfObject... objects)

Create a RdfPredicateObjectList

Parameters:

predicate - the RdfPredicate of the predicate-object list

objects - the RdfObject(s) of the list

Returns:

a new RdfPredicateObjectList

predicateObjectListCollection

public static RdfPredicateObjectListCollection predicateObjectListCollection(RdfPredicate predicate,
                                                                             RdfObject... objects)

Create a RdfPredicateObjectListCollection with an initial RdfPredicateObjectList

Parameters:

predicate - the RdfPredicate of the initial RdfPredicateObjectList

objects - the RdfObject(s) of the initial RdfPredicateObjectList

Returns:

a new RdfPredicateObjectListCollection

predicateObjectListCollection

public static RdfPredicateObjectListCollection predicateObjectListCollection(RdfPredicateObjectList... predicateObjectLists)

Create a RdfPredicateObjectListCollection with the given RdfPredicateObjectList(s)

Parameters:

predicateObjectLists - the RdfPredicateObjectList(s) to add to the collection

Returns:

a new RdfPredicateObjectListCollection

objects

public static RdfObject[] objects(Value... values)

Converts an array of object Values to an array of RdfObjects.

Parameters:

values - an array of Value.

Returns:

an array of RdfObject

object

public static RdfObject object(Value value)

Converts an object Values to an RdfObjects.

Parameters:

value - an RDF Value.

Returns:

an RdfObject

toRdfLiteralArray

public static RdfLiteral.StringLiteral[] toRdfLiteralArray(String... literals)

Convert an array of Strings to an array of RdfLiteral.StringLiterals

Parameters:

literals - the Strings to convert

Returns:

an array of the corresponding RdfLiteral.StringLiterals

toRdfLiteralArray

public static RdfLiteral.BooleanLiteral[] toRdfLiteralArray(Boolean... literals)

Convert an array of Booleans to an array of RdfLiteral.BooleanLiterals

Parameters:

literals - the Booleans to convert

Returns:

an array of the corresponding RdfLiteral.BooleanLiterals

toRdfLiteralArray

public static RdfLiteral.NumericLiteral[] toRdfLiteralArray(Number... literals)

Convert an array of Numbers to an array of RdfLiteral.NumericLiterals

Parameters:

literals - the Numbers to convert

Returns:

an array of the corresponding RdfLiteral.NumericLiterals