package org.codehaus.plexus.metadata.merge;
/*
* The MIT License
*
* Copyright (c) 2006, The Codehaus
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is furnished to do
* so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
import org.codehaus.plexus.component.annotations.Component;
import org.codehaus.plexus.metadata.merge.support.PlexusRootElement;
import org.jdom.Document;
/**
* Plexus XML merger. This is a superset of the components xml merger so can be used in its place if necessary.
*
* @author <a href='mailto:rahul.thakur.xdev@gmail.com'>Rahul Thakur</a>
* @version $Id: PlexusXmlMerger.java 8174 2009-05-11 15:15:23Z jvanzyl $
*/
@Component(role=Merger.class,hint="plexusXml")
public class PlexusXmlMerger
extends AbstractMerger
{
/**
* @see org.codehaus.plexus.metadata.merge.Merger#merge(org.jdom.Document, org.jdom.Document)
*/
public Document merge( Document dDocument, Document rDocument )
throws MergeException
{
// TODO: Ideally we don't want to manipulate the original
// dominant document but use its copy for merge.
//Document mDoc = (Document) dDocument.clone(); // doesn't merge properly
Document mDoc = dDocument;
PlexusRootElement dCSE = new PlexusRootElement( mDoc.getRootElement() );
PlexusRootElement rCSE = new PlexusRootElement( rDocument.getRootElement() );
dCSE.merge( rCSE );
// the contents are merged into the dominant document DOM.
return mDoc;
}
}