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1   /*
2    * Copyright (c) 2002-2014, Mairie de Paris
3    * All rights reserved.
4    *
5    * Redistribution and use in source and binary forms, with or without
6    * modification, are permitted provided that the following conditions
7    * are met:
8    *
9    *  1. Redistributions of source code must retain the above copyright notice
10   *     and the following disclaimer.
11   *
12   *  2. Redistributions in binary form must reproduce the above copyright notice
13   *     and the following disclaimer in the documentation and/or other materials
14   *     provided with the distribution.
15   *
16   *  3. Neither the name of 'Mairie de Paris' nor 'Lutece' nor the names of its
17   *     contributors may be used to endorse or promote products derived from
18   *     this software without specific prior written permission.
19   *
20   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
24   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30   * POSSIBILITY OF SUCH DAMAGE.
31   *
32   * License 1.0
33   */
34  package fr.paris.lutece.plugins.digglike.service.digglikesearch;
35  
36  import fr.paris.lutece.plugins.digglike.business.DiggSubmit;
37  import fr.paris.lutece.plugins.digglike.business.SubmitFilter;
38  import fr.paris.lutece.plugins.digglike.service.DiggSubmitService;
39  import fr.paris.lutece.plugins.digglike.service.search.DigglikeIndexer;
40  import fr.paris.lutece.plugins.digglike.utils.DiggUtils;
41  import fr.paris.lutece.portal.service.plugin.Plugin;
42  import fr.paris.lutece.portal.service.spring.SpringContextService;
43  
44  import org.apache.commons.lang.StringUtils;
45  
46  import java.util.ArrayList;
47  import java.util.List;
48  
49  
50  /**
51   * DocumentSearchService
52   */
53  public class DigglikeSearchService
54  {
55      private static final String BEAN_SEARCH_ENGINE = "digglike.digglikeSearchEngine";
56      private static final String REGEX_ID = "^[\\d]+$";
57  
58      // Constants corresponding to the variables defined in the lutece.properties file
59      private static DigglikeSearchService _singleton;
60  
61      /**
62       * @return the instance of the service
63       */
64      public static DigglikeSearchService getInstance(  )
65      {
66          if ( _singleton == null )
67          {
68              _singleton = new DigglikeSearchService(  );
69          }
70  
71          return _singleton;
72      }
73  
74      /**
75       * Return search results
76       * @param strQuery The search query
77       * @param filter The filter
78       * @param plugin The plugin
79       * @return Results as a collection of {@link DiggSubmit}
80       */
81      public List<Integer> getSearchResults( String strQuery, SubmitFilter filter, Plugin plugin )
82      {
83          List<Integer> listDiggSubmitResult = new ArrayList<Integer>(  );
84          DigglikeSearchEngine engine = SpringContextService.getBean( BEAN_SEARCH_ENGINE );
85          List<Integer> diggSubmitListId = DiggSubmitService.getService(  ).getDiggSubmitListId( filter, plugin );
86          List<DigglikeSearchItem> listSearchesults = StringUtils.isEmpty( strQuery ) ? null
87                                                                                      : engine.getSearchResults( strQuery,
88                  filter );
89  
90          if ( StringUtils.isEmpty( strQuery ) )
91          {
92              listDiggSubmitResult = diggSubmitListId;
93          }
94          else if ( diggSubmitListId != null )
95          {
96              for ( Integer nDiggSubmitId : diggSubmitListId )
97              {
98                  for ( DigglikeSearchItem searchResult : listSearchesults )
99                  {
100                     if ( ( searchResult.getType(  ) != null ) && ( searchResult.getId(  ) != null ) &&
101                             searchResult.getType(  ).equals( DigglikeIndexer.INDEX_TYPE_DIGG ) &&
102                             searchResult.getIdDiggSubmit(  ).matches( REGEX_ID ) &&
103                             ( Integer.parseInt( searchResult.getIdDiggSubmit(  ) ) == nDiggSubmitId ) )
104                     {
105                         listDiggSubmitResult.add( DiggUtils.getIntegerParameter( searchResult.getIdDiggSubmit(  ) ) );
106                     }
107                 }
108             }
109         }
110 
111         return listDiggSubmitResult;
112     }
113 }