FN_StrNormalizeSpace.java

/*
 * 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
 *
 *     http://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.
 */
package org.apache.jena.sparql.function.library;

import org.apache.jena.sparql.expr.NodeValue;
import org.apache.jena.sparql.expr.nodevalue.XSDFuncOp;
import org.apache.jena.sparql.function.FunctionBase1;

/**
 * fn:normalizeSpace
 */
public class FN_StrNormalizeSpace extends FunctionBase1
{
    public FN_StrNormalizeSpace() { super() ; }

    @Override
    public NodeValue exec(NodeValue str)
    {
        // How to implement this??
        // If no argument is supplied, then $arg defaults to the string value (calculated using fn:string) of the context item (.).
        return XSDFuncOp.strNormalizeSpace(str);
    }
}