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/*
 * IzPack - Copyright 2001-2010 Julien Ponge, All Rights Reserved.
 *
 * http://izpack.org/
 * http://izpack.codehaus.org/
 *
 * Copyright 2009 Laurent Bovet, Alex Mathey
 * Copyright 2010 Rene Krell
 *
 * 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 com.izforge.izpack.util.xmlmerge;

import org.jdom.Element;

/**
 * Operation on two nodes creating a third node.
 *
 * @author Laurent Bovet (LBO)
 * @author Alex Mathey (AMA)
 */
public interface Action extends Operation
{

    /**
     * Out of an original element and a second element provided by the patch DOM, applies an
     * operation and modifies the parent node of the result DOM.
     *
     * @param originalElement Original element
     * @param patchElement Patch element
     * @param outputParentElement Output parent element
     */
    void perform(Element originalElement, Element patchElement, Element outputParentElement)
            throws AbstractXmlMergeException;

}