View Javadoc
1   /*
2    * Copyright (c) 2002-2020, 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.suggest.service.suggestsearch;
35  
36  import fr.paris.lutece.plugins.suggest.business.SuggestSubmit;
37  import fr.paris.lutece.plugins.suggest.business.SubmitFilter;
38  import fr.paris.lutece.plugins.suggest.service.SuggestSubmitService;
39  import fr.paris.lutece.plugins.suggest.service.search.SuggestIndexer;
40  import fr.paris.lutece.plugins.suggest.utils.SuggestUtils;
41  import fr.paris.lutece.portal.service.plugin.Plugin;
42  import fr.paris.lutece.portal.service.spring.SpringContextService;
43  
44  import org.apache.commons.lang3.StringUtils;
45  
46  import java.util.ArrayList;
47  import java.util.List;
48  
49  /**
50   * DocumentSearchService
51   */
52  public class SuggestSearchService
53  {
54      private static final String BEAN_SEARCH_ENGINE = "suggest.suggestSearchEngine";
55      private static final String REGEX_ID = "^[\\d]+$";
56  
57      // Constants corresponding to the variables defined in the lutece.properties file
58      private static SuggestSearchService _singleton;
59  
60      /**
61       * @return the instance of the service
62       */
63      public static SuggestSearchService getInstance( )
64      {
65          if ( _singleton == null )
66          {
67              _singleton = new SuggestSearchService( );
68          }
69  
70          return _singleton;
71      }
72  
73      /**
74       * Return search results
75       * 
76       * @param strQuery
77       *            The search query
78       * @param filter
79       *            The filter
80       * @param plugin
81       *            The plugin
82       * @return Results as a collection of {@link SuggestSubmit}
83       */
84      public List<Integer> getSearchResults( String strQuery, SubmitFilter filter, Plugin plugin )
85      {
86          List<Integer> listSuggestSubmitResult = new ArrayList<>( );
87          SuggestSearchEngine engine = SpringContextService.getBean( BEAN_SEARCH_ENGINE );
88          List<Integer> suggestSubmitListId = SuggestSubmitService.getService( ).getSuggestSubmitListId( filter, plugin );
89          List<SuggestSearchItem> listSearchesults = StringUtils.isEmpty( strQuery ) ? null : engine.getSearchResults( strQuery, filter );
90  
91          if ( StringUtils.isEmpty( strQuery ) )
92          {
93              listSuggestSubmitResult = suggestSubmitListId;
94          }
95          else
96              if ( suggestSubmitListId != null )
97              {
98                  for ( Integer nSuggestSubmitId : suggestSubmitListId )
99                  {
100                     for ( SuggestSearchItem searchResult : listSearchesults )
101                     {
102                         if ( ( searchResult.getType( ) != null ) && ( searchResult.getId( ) != null )
103                                 && searchResult.getType( ).equals( SuggestIndexer.INDEX_TYPE_SUGGEST ) && searchResult.getIdSuggestSubmit( ).matches( REGEX_ID )
104                                 && ( Integer.parseInt( searchResult.getIdSuggestSubmit( ) ) == nSuggestSubmitId ) )
105                         {
106                             listSuggestSubmitResult.add( SuggestUtils.getIntegerParameter( searchResult.getIdSuggestSubmit( ) ) );
107                         }
108                     }
109                 }
110             }
111 
112         return listSuggestSubmitResult;
113     }
114 }