/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 *   SPDX-License-Identifier: Apache-2.0
 */

package org.apache.jena.sparql.expr;

import org.apache.jena.sparql.ARQNotImplemented;

// CAST(string, IRI)
public class E_Cast extends ExprFunction2 {
    // See E_StrDatatype
    private static final String symbol = "cast";

    private E_Cast(Expr expr1, Expr expr2) {
        super(expr1, expr2, symbol);
    }

    @Override
    public NodeValue eval(NodeValue x, NodeValue y) {
        if ( !x.isString() )
            throw new ExprEvalException("cast: arg 2 is not a string: " + x);
        if ( !y.isIRI() )
            throw new ExprEvalException("cast: arg 2 is not a URI: " + y);

        String lex = x.getString();
        y.asNode().getURI();

        throw new ARQNotImplemented();
    }

    @Override
    public Expr copy(Expr arg1, Expr arg2) {
        return new E_Cast(arg1, arg2);
    }
}
