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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.portal.business.right;
35  
36  import fr.paris.lutece.util.sql.DAOUtil;
37  
38  import java.util.ArrayList;
39  import java.util.Collection;
40  
41  
42  /**
43   * This class provides Data Access methods for Level objects
44   */
45  public final class LevelDAO implements ILevelDAO
46  {
47      // Constants
48      private static final String SQL_QUERY_NEW_PK = " SELECT max( id_level ) FROM core_level_right ";
49      private static final String SQL_QUERY_SELECT = " SELECT id_level, name FROM core_level_right WHERE id_level = ?";
50      private static final String SQL_QUERY_INSERT = " INSERT INTO core_level_right ( id_level, name ) VALUES ( ?, ? )";
51      private static final String SQL_QUERY_DELETE = " DELETE FROM core_level_right WHERE id_level = ?";
52      private static final String SQL_QUERY_UPDATE = " UPDATE core_level_right SET id_level = ?, name = ? WHERE id_level = ?";
53      private static final String SQL_QUERY_SELECTALL = " SELECT id_level , name FROM core_level_right ORDER BY id_level";
54  
55      ///////////////////////////////////////////////////////////////////////////////////////
56      //Access methods to data
57  
58      /**
59       * Generates a new primary key
60       * @return The new primary key
61       */
62      int newPrimaryKey(  )
63      {
64          DAOUtil daoUtil = new DAOUtil( SQL_QUERY_NEW_PK );
65          daoUtil.executeQuery(  );
66  
67          int nKey;
68  
69          if ( !daoUtil.next(  ) )
70          {
71              // if the table is empty
72              nKey = 1;
73          }
74  
75          nKey = daoUtil.getInt( 1 ) + 1;
76  
77          daoUtil.free(  );
78  
79          return nKey;
80      }
81  
82      /**
83       * Insert a new record in the table.
84       * @param level The level object
85       */
86      public synchronized void insert( Level level )
87      {
88          level.setId( newPrimaryKey(  ) );
89  
90          DAOUtil daoUtil = new DAOUtil( SQL_QUERY_INSERT );
91          daoUtil.setInt( 1, level.getId(  ) );
92          daoUtil.setString( 2, level.getName(  ) );
93  
94          daoUtil.executeUpdate(  );
95          daoUtil.free(  );
96      }
97  
98      /**
99       * load the data of Level from the table
100      * @param nIdLevel The indentifier of the object Level
101      * @return The Instance of the object Level
102      */
103     public Level load( int nIdLevel )
104     {
105         Level level = null;
106         DAOUtil daoUtil = new DAOUtil( SQL_QUERY_SELECT );
107         daoUtil.setInt( 1, nIdLevel );
108         daoUtil.executeQuery(  );
109 
110         if ( daoUtil.next(  ) )
111         {
112             level = new Level(  );
113             level.setId( daoUtil.getInt( 1 ) );
114             level.setName( daoUtil.getString( 2 ) );
115         }
116 
117         daoUtil.free(  );
118 
119         return level;
120     }
121 
122     /**
123      * Delete a record from the table
124      * @param nIdLevel The indentifier of the object Level
125      */
126     public void delete( int nIdLevel )
127     {
128         DAOUtil daoUtil = new DAOUtil( SQL_QUERY_DELETE );
129         daoUtil.setInt( 1, nIdLevel );
130 
131         daoUtil.executeUpdate(  );
132         daoUtil.free(  );
133     }
134 
135     /**
136      * Update the record in the table
137      * @param level The instance of the Level to update
138      */
139     public void store( Level level )
140     {
141         DAOUtil daoUtil = new DAOUtil( SQL_QUERY_UPDATE );
142         int nLevelId = level.getId(  );
143         daoUtil.setInt( 1, nLevelId );
144         daoUtil.setString( 2, level.getName(  ) );
145         daoUtil.setInt( 3, nLevelId );
146 
147         daoUtil.executeUpdate(  );
148         daoUtil.free(  );
149     }
150 
151     /**
152      * Returns a list of all the right level
153      * @return A collection of right level objects
154      */
155     public Collection<Level> selectLevelsList(  )
156     {
157         Collection<Level> levelList = new ArrayList<Level>(  );
158         DAOUtil daoUtil = new DAOUtil( SQL_QUERY_SELECTALL );
159         daoUtil.executeQuery(  );
160 
161         while ( daoUtil.next(  ) )
162         {
163             Level level = new Level(  );
164             level.setId( daoUtil.getInt( 1 ) );
165             level.setName( daoUtil.getString( 2 ) );
166             levelList.add( level );
167         }
168 
169         daoUtil.free(  );
170 
171         return levelList;
172     }
173 }