/*
 * XAdES4j - A Java library for generation and verification of XAdES signatures.
 * Copyright (C) 2011 Luis Goncalves.
 * 
 * XAdES4j is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 3 of the License, or any later version.
 * 
 * XAdES4j is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU Lesser General Public License along
 * with XAdES4j. If not, see <http://www.gnu.org/licenses/>.
 */
package xades4j.xml.marshalling.algorithms;

import java.util.ArrayList;
import java.util.List;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import xades4j.algorithms.GenericAlgorithm;

/**
 *
 * @author Luís
 */
final class GenericAlgorithmParamsMarshaller implements AlgorithmParametersMarshaller<GenericAlgorithm>
{

    @Override
    public List<Node> marshalParameters(GenericAlgorithm alg, Document doc)
    {
        List<Node> originalParams = alg.getParameters();
        if (null == originalParams)
        {
            return null;
        }

        List<Node> result = new ArrayList<Node>(originalParams.size());
        for (Node node : originalParams)
        {
            result.add(node.getOwnerDocument() == doc ? node : doc.importNode(node, true));
        }
        return result;
    }
}