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1   /*
2    * Copyright (c) 2011-2024 PrimeFaces Extensions
3    *
4    *  Permission is hereby granted, free of charge, to any person obtaining a copy
5    *  of this software and associated documentation files (the "Software"), to deal
6    *  in the Software without restriction, including without limitation the rights
7    *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8    *  copies of the Software, and to permit persons to whom the Software is
9    *  furnished to do so, subject to the following conditions:
10   *
11   *  The above copyright notice and this permission notice shall be included in
12   *  all copies or substantial portions of the Software.
13   *
14   *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
20   *  THE SOFTWARE.
21   */
22  package org.primefaces.extensions.component.orgchart;
23  
24  import java.util.ArrayList;
25  import java.util.HashMap;
26  import java.util.List;
27  import java.util.Map;
28  
29  /**
30   * <code>orgchart</code> component.
31   *
32   * @author @jxmai / last modified by $Author$
33   * @version $Revision$
34   * @since 6.3
35   */
36  public class OrgChartHelper {
37  
38      private OrgChartHelper() {
39          // prevent instantiation
40      }
41  
42      public static List<OrgChartNode> getAllNodesTraverseFromRoot(final OrgChartNode root) {
43          final List<OrgChartNode> orgChartNodes = new ArrayList<>();
44  
45          treeTraversal(root, orgChartNodes);
46  
47          return orgChartNodes;
48      }
49  
50      public static Map<String, OrgChartNode> parseOrgChartNodesIntoHashMap(
51                  final List<OrgChartNode> orgChartNodes) {
52  
53          final HashMap<String, OrgChartNode> hashMap = new HashMap<>();
54  
55          if (orgChartNodes != null && !orgChartNodes.isEmpty()) {
56  
57              if (null == orgChartNodes.get(0).getId() || orgChartNodes.get(0).getId().isEmpty()) {
58                  return hashMap;
59              }
60              else {
61                  for (final OrgChartNode o : orgChartNodes) {
62                      hashMap.put(o.getId(), o);
63                  }
64              }
65          }
66  
67          return hashMap;
68      }
69  
70      private static void treeTraversal(final OrgChartNode orgChartNode, final List<OrgChartNode> orgChartNodes) {
71          if (orgChartNode.getChildCount() > 0) {
72              for (final OrgChartNode o : orgChartNode.getChildren()) {
73                  treeTraversal(o, orgChartNodes);
74              }
75          }
76          orgChartNodes.add(orgChartNode);
77      }
78  
79  }