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1   package org.codehaus.plexus.metadata.merge.support;
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 java.util.ArrayList;
28  import java.util.List;
29  
30  import org.jdom2.Element;
31  
32  /**
33   * @author <a href='mailto:rahul.thakur.xdev@gmail.com'>Rahul Thakur</a>
34   */
35  public class ComponentsElement extends AbstractMergeableElementList {
36      static final DescriptorTag TAG = new DescriptorTag("components", true, ComponentsElement.class);
37  
38      private List conflictVerificationkeys = new ArrayList();
39  
40      public ComponentsElement(Element element) {
41          super(element);
42  
43          conflictVerificationkeys.add(ComponentElement.ROLE.getTagName());
44          conflictVerificationkeys.add(ComponentElement.ROLE_HINT.getTagName());
45      }
46  
47      public DescriptorTag[] getAllowedTags() {
48          return new DescriptorTag[] {ComponentElement.TAG};
49      }
50  
51      protected boolean isExpectedElementType(Mergeable me) {
52          return (me instanceof ComponentsElement);
53      }
54  
55      protected List getElementNamesForConflictChecks(List defaultList) {
56          // Allow to return custom keys for conflict checks/resolution.
57          return this.conflictVerificationkeys;
58      }
59  
60      protected String getTagNameForRecurringMergeable() {
61          return ComponentElement.TAG.getTagName();
62      }
63  
64      protected List getElementNamesForConflictResolution(List defaultList) {
65          // TODO: how is this different from getElementNamesForConflictChecks?
66          List l = new ArrayList();
67          l.add(ComponentElement.ROLE.getTagName());
68          l.add(ComponentElement.ROLE_HINT.getTagName());
69          return l;
70      }
71  }