Package com.apicatalog.rdf

Interface RdfLiteral

All Superinterfaces:

RdfValue

public interface RdfLiteral
extends RdfValue

The RdfLiteral interface describes an immutable RDF Literal.

Method Summary

Modifier and Type	Method	Description
default RdfLiteral	asLiteral()	Return the RdfValue as a RdfLiteral
String	getDatatype()	An absolute IRI denoting the datatype IRI of the literal.
Optional<String>	getLanguage()	An optional language tag.
String	getValue()	Get the lexical value of the literal.
default boolean	isBlankNode()	Indicates if the value type is blank node identifier.
default boolean	isIRI()	Indicates if the value type is an absolute IRI.

Methods inherited from interface com.apicatalog.rdf.RdfValue

equals, hashCode, isLiteral, toString

Method Detail

getValue

String getValue()

Get the lexical value of the literal.

Specified by:

getValue in interface RdfValue

Returns:

lexical value, never null

getDatatype

String getDatatype()

An absolute IRI denoting the datatype IRI of the literal. If the value is rdf:langString, getLanguage() value is present.

Returns:

an absolute IRI, never null

getLanguage

Optional<String> getLanguage()

An optional language tag. If this value is specified, getDatatype() returns rdf:langString.

Returns:

language tag or Optional.empty() if not set

isIRI

default boolean isIRI()

Description copied from interface: RdfValue

Indicates if the value type is an absolute IRI.

Specified by:

isIRI in interface RdfValue

Returns:

true if the value type is IRI, false otherwise.

isBlankNode

default boolean isBlankNode()

Description copied from interface: RdfValue

Indicates if the value type is blank node identifier.

Specified by:

isBlankNode in interface RdfValue

Returns:

true if the value type is blank node, false otherwise.

asLiteral

default RdfLiteral asLiteral()

Description copied from interface: RdfValue

Return the RdfValue as a RdfLiteral

Specified by:

asLiteral in interface RdfValue

Returns:

the RdfValue as a RdfLiteral