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1   /**
2    * This file Copyright (c) 2011-2018 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.ui.form.field.converter;
35  
36  import info.magnolia.context.MgnlContext;
37  
38  import java.util.Locale;
39  
40  import javax.jcr.RepositoryException;
41  import javax.jcr.Session;
42  
43  import org.apache.commons.lang3.StringUtils;
44  import org.slf4j.Logger;
45  import org.slf4j.LoggerFactory;
46  
47  /**
48   * Converter used to convert a UUID to a Path and Path to UUID.
49   * In general, if the translation is not possible, return null.
50   */
51  public class BaseIdentifierToPathConverter implements IdentifierToPathConverter {
52  
53      private static final Logger log = LoggerFactory.getLogger(BaseIdentifierToPathConverter.class);
54  
55      private String workspaceName;
56  
57      @Override
58      public String convertToModel(String path, Class<? extends String> targetType, Locale locale) {
59          // Null is required for the property to be removed if path is empty
60          if (StringUtils.isBlank(path)) {
61              return null;
62          }
63  
64          try {
65              Session session = MgnlContext.getJCRSession(getWorkspaceName());
66              return session.getNode(path).getIdentifier();
67          } catch (RepositoryException e) {
68              log.error("Unable to convert Path to UUID", e);
69          }
70          return null;
71      }
72  
73      @Override
74      public String convertToPresentation(String uuid, Class<? extends String> targetType, Locale locale) {
75          if (StringUtils.isBlank(uuid)) {
76              return StringUtils.EMPTY;
77          }
78  
79          try {
80              Session session = MgnlContext.getJCRSession(getWorkspaceName());
81              return session.getNodeByIdentifier(uuid).getPath();
82          } catch (RepositoryException e) {
83              log.error("Unable to convert UUID to Path", e);
84          }
85          return StringUtils.EMPTY;
86      }
87  
88      @Override
89      public void setWorkspaceName(String workspaceName) {
90          this.workspaceName = workspaceName;
91      }
92  
93      public String getWorkspaceName(){
94          return this.workspaceName;
95      }
96  }