com.hp.hpl.jena.daml.common
Class XMLDatatypeRegistry

java.lang.Object
  |
  +--com.hp.hpl.jena.daml.common.XMLDatatypeRegistry

public class XMLDatatypeRegistry

extends java.lang.Object

Provides a registry that can map RDF values encoded using XML Schema type definitions into Java objects or scalars. A basic set of mappings is provided, but other type mappings can be added by the user.

Version:

CVS info: $Id: XMLDatatypeRegistry.java,v 1.1 2001/09/24 17:02:44 ijd Exp $

Author:

Ian Dickinson, HP Labs (email)

Field Summary

static Resource	XSD_INTEGER Resource to denote the type of an xsd integer
static java.lang.String	XSD_NAMESPACE_URI The URI for XML schema datatypes (xsd) namespace

Constructor Summary

XMLDatatypeRegistry()
Constructor for the registry, which will register a basic set of mappings.

Method Summary

java.util.Iterator	getRegisteredTypes() Answer an iteration over the types of URI's that are registered.
DatatypeTranslator	getTranslator(java.lang.String uri) Answer the datatype translator for a a resource whose rdf:type is the given URI.
boolean	isRegisteredType(java.lang.String typeURI) Answer true if the given type URI is registered in this registry
void	registerTranslator(java.lang.String uri, DatatypeTranslator translator) Register a translator for the type whose uri is as given.

Methods inherited from class java.lang.Object

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

Field Detail

XSD_NAMESPACE_URI

public static final java.lang.String XSD_NAMESPACE_URI

The URI for XML schema datatypes (xsd) namespace

XSD_INTEGER

public static final Resource XSD_INTEGER

Resource to denote the type of an xsd integer

Constructor Detail

XMLDatatypeRegistry

public XMLDatatypeRegistry()

Constructor for the registry, which will register a basic set of mappings.

Method Detail

getTranslator

public DatatypeTranslator getTranslator(java.lang.String uri)

Answer the datatype translator for a a resource whose rdf:type is the given URI.

Parameters:

uri - The uri of the type

Returns:

the corresponding translator, if one is registered, or null otherwise.

registerTranslator

public void registerTranslator(java.lang.String uri,
                               DatatypeTranslator translator)

Register a translator for the type whose uri is as given.

Parameters:

uri - The uri of the type to be registered

translator - The translator that will map objects of the given type between Java and XML/RDF.

getRegisteredTypes

public java.util.Iterator getRegisteredTypes()

Answer an iteration over the types of URI's that are registered.

Returns:

an iteration, each element of which is a string representing a URI.

isRegisteredType

public boolean isRegisteredType(java.lang.String typeURI)

Answer true if the given type URI is registered in this registry

Parameters:

typeURI - The URI of the type to be tested, as a string.

Returns:

boolean true if the type is registered.