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/**
 *    Copyright 2013 MegaFon
 *
 *    Licensed 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 ru.histone.evaluator.functions.node.string;

import ru.histone.evaluator.functions.node.NodeFunction;
import ru.histone.evaluator.nodes.Node;
import ru.histone.evaluator.nodes.NodeFactory;
import ru.histone.evaluator.nodes.StringHistoneNode;

/**
 * Convert target string to upper case
 */
public class ToUpperCase extends NodeFunction {

    public ToUpperCase(NodeFactory nodeFactory) {
        super(nodeFactory);
    }

    @Override
    public String getName() {
        return "toUpperCase";
    }

    @Override
    public Node execute(StringHistoneNode target, Node... args) {
        return getNodeFactory().string(target.getValue().toUpperCase());
    }
}