Package com.hp.hpl.jena.datatypes

Examples of com.hp.hpl.jena.datatypes.RDFDatatype

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                    default:
                        throw new RiotException("Expected IRI for datatype: "+token) ;
                }
               
                uriStr = resolveIRI(uriStr, tokenDT.getLine(), tokenDT.getColumn()) ;
                RDFDatatype dt = NodeFactory.getType(uriStr) ;
                return createTypedLiteral(str, dt, line, col) ;
            }
           
            case LITERAL_LANG :
                return createLangLiteral(str, token.getImage2(), line, col)  ;
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    }

    public static NodeValue substring(NodeValue nvString, NodeValue nvStart, NodeValue nvLength)
    {
        Node n = checkAndGetStringLiteral("substring", nvString) ;
        RDFDatatype dt = n.getLiteralDatatype() ;
        String lang = n.getLiteralLanguage() ;
       
        // A string of some kind.
       
        // XSD F&O:
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     *  @throws ExprEvalTypeException 
     */
   
    public static NodeValue dateTimeCast(NodeValue nv, String typeURI)
    {
       RDFDatatype t = NodeFactory.getType(typeURI) ;
       return dateTimeCast(nv, t) ;
    }
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    public static Node checkAndGetStringLiteral(String label, NodeValue nv)
    {
        Node n = nv.asNode() ;
        if ( ! n.isLiteral() )
            throw new ExprEvalException(label+": Not a literal: "+nv) ;
        RDFDatatype dt = n.getLiteralDatatype() ;
        String lang = n.getLiteralLanguage() ;
       
        if ( dt != null && ! dt.equals(XSDDatatype.XSDstring) )
            throw new ExprEvalException(label+": Not a string literal: "+nv) ;
        return n ;
    }
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    protected Node stripSign(Node node)
    {
        if ( ! node.isLiteral() ) return node ;
        String lex = node.getLiteralLexicalForm() ;
        String lang = node.getLiteralLanguage() ;
        RDFDatatype dt = node.getLiteralDatatype() ;
       
        if ( ! lex.startsWith("-") && ! lex.startsWith("+") )
            throw new ARQInternalErrorException("Literal does not start with a sign: "+lex) ;
       
        lex = lex.substring(1) ;
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    {
        Node n = null ;
        // Can't have type and lang tag.
        if ( datatypeURI != null)
        {
            RDFDatatype dType = TypeMapper.getInstance().getSafeTypeByName(datatypeURI) ;
            n = Node.createLiteral(lexicalForm, null, dType) ;
        }
        else
            n = Node.createLiteral(lexicalForm, langTag, null) ;
        return n ;
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        Node n = null ;
       
        if ( datatype != null)
        {
            RDFDatatype dType = TypeMapper.getInstance().getSafeTypeByName(datatype) ;
            n = Node.createLiteral(lexicalForm, null, dType) ;
        }
        else
            n = Node.createLiteral(lexicalForm, langTag, null) ;
        return NodeValue.makeNode(n) ;
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        if ( datatypeIRI != null || datatypePN != null )
        {
            if ( datatypePN != null )
                datatypeIRI = resolvePrefixedName(datatypePN, line, column) ;
           
            RDFDatatype dType = TypeMapper.getInstance().getSafeTypeByName(datatypeIRI) ;
            n = Node.createLiteral(lexicalForm, null, dType) ;
        }
        else
            n = Node.createLiteral(lexicalForm, langTag, null) ;
        Item item = Item.createNode(n, line, column) ;
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    }

    public static NodeValue substring(NodeValue nvString, NodeValue nvStart, NodeValue nvLength)
    {
        Node n = checkAndGetStringLiteral("substring", nvString) ;
        RDFDatatype dt = n.getLiteralDatatype() ;
        String lang = n.getLiteralLanguage() ;
       
        // A string of some kind.
       
        // XSD F&O:
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     *  @throws ExprEvalTypeException 
     */
   
    public static NodeValue dateTimeCast(NodeValue nv, String typeURI)
    {
       RDFDatatype t = Node.getType(typeURI) ;
       return dateTimeCast(nv, t) ;
    }
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