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1   /**
2    * This file Copyright (c) 2009-2018 Magnolia International
3    * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
4    *
5    *
6    * This file is dual-licensed under both the Magnolia
7    * Network Agreement and the GNU General Public License.
8    * You may elect to use one or the other of these licenses.
9    *
10   * This file is distributed in the hope that it will be
11   * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12   * implied warranty of MERCHANTABILITY or FITNESS FOR A
13   * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14   * Redistribution, except as permitted by whichever of the GPL
15   * or MNA you select, is prohibited.
16   *
17   * 1. For the GPL license (GPL), you can redistribute and/or
18   * modify this file under the terms of the GNU General
19   * Public License, Version 3, as published by the Free Software
20   * Foundation.  You should have received a copy of the GNU
21   * General Public License, Version 3 along with this program;
22   * if not, write to the Free Software Foundation, Inc., 51
23   * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24   *
25   * 2. For the Magnolia Network Agreement (MNA), this file
26   * and the accompanying materials are made available under the
27   * terms of the MNA which accompanies this distribution, and
28   * is available at http://www.magnolia-cms.com/mna.html
29   *
30   * Any modifications to this file must keep this entire header
31   * intact.
32   *
33   */
34  package info.magnolia.nodebuilder;
35  
36  import info.magnolia.cms.core.Content;
37  import info.magnolia.cms.core.Content.ContentFilter;
38  import info.magnolia.cms.core.ItemType;
39  import info.magnolia.cms.util.ContentUtil;
40  import info.magnolia.cms.util.NodeTypeFilter;
41  
42  import javax.jcr.RepositoryException;
43  
44  /**
45   * Visits the hierarchy recursively and executes the operations on all nodes matching the filter. The recursion does not stop if a node does not match!
46   * The class has some static methods to build recursive operations easily.
47   *
48   * @deprecated since 5.2.4 - looks like it's not used anywhere so it'll be dropped without replacement. Raise your voice if you need a RecursiveOp operating on jcr API.
49   */
50  @Deprecated
51  public class RecursiveOp extends AbstractNodeOperation {
52  
53      /**
54       * Visits the hierarchy recursively and executes the operations on all nodes excluding meta data and jcr base nodes. The recursion does not stop if a node does not match!
55       */
56      public static NodeOperation recursive(final NodeOperation... childrenOps) {
57          return recursive(ContentUtil.EXCLUDE_META_DATA_CONTENT_FILTER, childrenOps);
58      }
59  
60      /**
61       * Visits the hierarchy recursively and executes the operations on all nodes matching a certain type. The recursion does not stop if a node does not match!
62       */
63      public static NodeOperation recursive(final String type, final NodeOperation... childrenOps) {
64          return recursive(new NodeTypeFilter(type), childrenOps);
65      }
66  
67      /**
68       * Visits the hierarchy recursively and executes the operations on all nodes matching a certain type. The recursion does not stop if a node does not match!
69       */
70      public static NodeOperation recursive(final ItemType type, final NodeOperation... childrenOps) {
71          return recursive(new NodeTypeFilter(type), childrenOps);
72      }
73  
74      public static NodeOperation recursive(final Content.ContentFilter filter, final NodeOperation... childrenOps) {
75          return new RecursiveOp(filter, childrenOps);
76      }
77  
78      private final ContentFilter filter;
79  
80      private final NodeOperation[] childrenOps;
81  
82      /**
83       * Visits the hierarchy recursively and executes the operations on all nodes matching the filter. The recursion does not stop if a node does not match!
84       */
85      public RecursiveOp(ContentFilter filter, NodeOperation[] childrenOps) {
86          this.filter = filter;
87          this.childrenOps = childrenOps;
88      }
89  
90      @Override
91      protected Content="../../../info/magnolia/cms/core/Content.html#Content">Content doExec(Content context, final ErrorHandler errorHandler) throws RepositoryException {
92          try {
93              ContentUtil.visit(context, new ContentUtil.Visitor() {
94                  @Override
95                  public void visit(Content node) throws Exception {
96                      if (filter.accept(node)) {
97                          for (NodeOperation nodeOperation : childrenOps) {
98                              nodeOperation.exec(node, errorHandler);
99                          }
100                     }
101                 }
102             }, ContentUtil.ALL_NODES_CONTENT_FILTER);
103         } catch (Exception e) {
104             if (e instanceof RepositoryException) {
105                 throw (RepositoryException) e;
106             }
107             throw new RuntimeException(e);
108         }
109         return context;
110     }
111 }