1 package org.codehaus.plexus.metadata.merge;
2
3 /*
4 * The MIT License
5 *
6 * Copyright (c) 2006, The Codehaus
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining a copy of
9 * this software and associated documentation files (the "Software"), to deal in
10 * the Software without restriction, including without limitation the rights to
11 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
12 * of the Software, and to permit persons to whom the Software is furnished to do
13 * so, subject to the following conditions:
14 *
15 * The above copyright notice and this permission notice shall be included in all
16 * copies or substantial portions of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
21 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
23 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24 * SOFTWARE.
25 */
26
27 import org.codehaus.plexus.component.annotations.Component;
28 import org.codehaus.plexus.metadata.merge.support.ComponentSetElement;
29 import org.jdom2.Document;
30
31 /**
32 * @author <a href='mailto:rahul.thakur.xdev@gmail.com'>Rahul Thakur</a>
33 */
34 @Component(role = Merger.class, hint = "componentsXml")
35 public class ComponentsXmlMerger extends AbstractMerger {
36 /**
37 * @see Merger#merge(Document, Document)
38 */
39 public Document merge(Document dDocument, Document rDocument) throws MergeException {
40 // TODO: Ideally we don't want to manipulate the original
41 // dominant document but use its copy for merge.
42 // Document mDoc = (Document) dDocument.clone(); // doesn't merge properly
43 Document mDoc = dDocument;
44 ComponentSetElement dCSE = new ComponentSetElement(mDoc.getRootElement());
45 ComponentSetElement rCSE = new ComponentSetElement(rDocument.getRootElement());
46 dCSE.merge(rCSE);
47 // the contents are merged into the dominant document DOM.
48 return mDoc;
49 }
50 }