/*
 * 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.syntax.syntaxtransform ;

import java.util.Map ;

import org.apache.jena.graph.Node ;
import org.apache.jena.sparql.core.Var ;
import org.apache.jena.sparql.graph.NodeTransform ;

/** A {@link NodeTransform} substituting variables for {@link Node}s. */
public class NodeTransformSubst implements NodeTransform {
    private final Map<Var, ? extends Node> map ;

    NodeTransformSubst(Map<Var, ? extends Node> map) {
        this.map = map ;
    }

    @Override
    public Node apply(Node node) {
        Node n = map.get(node) ;
        if ( n == null )
            return node ;
        return n ;
    }
}

/*
 * 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.syntax.syntaxtransform ;

import java.util.Map ;

import org.apache.jena.graph.Node ;
import org.apache.jena.sparql.core.Var ;
import org.apache.jena.sparql.graph.NodeTransform ;

/** A {@link NodeTransform} substituting variables for {@link Node}s. */
public class NodeTransformSubst implements NodeTransform {
    private final Map<Var, ? extends Node> map ;

    public NodeTransformSubst(Map<Var, ? extends Node> map) {
        this.map = map ;
    }

    @Override
    public Node apply(Node node) {
        Node n = map.get(node) ;
        if ( n == null )
            return node ;
        return n ;
    }
}

Make constructor public.