ImageDAO.java
/*
* Copyright (c) 2002-2023, City of Paris
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright notice
* and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice
* and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of 'Mairie de Paris' nor 'Lutece' nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* License 1.0
*/
package fr.paris.lutece.plugins.wiki.business;
import fr.paris.lutece.portal.service.plugin.Plugin;
import fr.paris.lutece.util.sql.DAOUtil;
import java.util.ArrayList;
import java.util.List;
/**
*
* class ImageDAO
*
*/
public class ImageDAO implements IImageDAO
{
private static final String SQL_QUERY_NEW_PK = "SELECT max( id_image ) FROM wiki_image";
private static final String SQL_QUERY_FIND_BY_PRIMARY_KEY = "SELECT id_image,name,mime_type,file_value,id_topic,width,height"
+ " FROM wiki_image WHERE id_image=?";
private static final String SQL_QUERY_SELECT_ICON = "SELECT id_image,name,mime_type,id_topic,width,height" + " FROM wiki_image ORDER BY name DESC ";
private static final String SQL_QUERY_INSERT = "INSERT INTO wiki_image "
+ "(id_image,name,mime_type,file_value,id_topic,width,height)VALUES(?,?,?,?,?,?,?)";
private static final String SQL_QUERY_UPDATE = "UPDATE wiki_image SET id_image=?,name=?,mime_type=?,file_value=?,id_topic=?,width=?,height=?"
+ " WHERE id_image=?";
private static final String SQL_QUERY_UPDATE_METADATA = "UPDATE wiki_image SET id_image=?,name=?,id_topic=?,width=?,height=?" + " WHERE id_image=?";
private static final String SQL_QUERY_DELETE = "DELETE FROM wiki_image WHERE id_image=? ";
private static final String SQL_QUERY_DELETE_BY_TOPIC = "DELETE FROM wiki_image WHERE id_topic=? ";
private static final String SQL_QUERY_FIND_BY_TOPIC = "SELECT id_image,name,mime_type,id_topic,width,height" + " FROM wiki_image WHERE id_topic=?";
/**
* Generates a new primary key
*
* @param plugin
* the plugin
* @return The new primary key
*/
private int newPrimaryKey( Plugin plugin )
{
int nKey;
try( DAOUtil daoUtil = new DAOUtil( SQL_QUERY_NEW_PK, plugin ) )
{
daoUtil.executeQuery( );
daoUtil.next( );
nKey = daoUtil.getInt( 1 ) + 1;
}
return nKey;
}
/**
* {@inheritDoc }
*/
@Override
public synchronized void insert( Image image, Plugin plugin )
{
try( DAOUtil daoUtil = new DAOUtil( SQL_QUERY_INSERT, plugin ) )
{
int nPos = 0;
image.setId( newPrimaryKey( plugin ) );
daoUtil.setInt( ++nPos, image.getId( ) );
daoUtil.setString( ++nPos, image.getName( ) );
daoUtil.setString( ++nPos, image.getMimeType( ) );
daoUtil.setBytes( ++nPos, image.getValue( ) );
daoUtil.setInt( ++nPos, image.getTopicId( ) );
daoUtil.setInt( ++nPos, image.getWidth( ) );
daoUtil.setInt( ++nPos, image.getHeight( ) );
daoUtil.executeUpdate( );
}
}
/**
* {@inheritDoc }
*/
@Override
public void store( Image image, Plugin plugin )
{
try( DAOUtil daoUtil = new DAOUtil( SQL_QUERY_UPDATE, plugin ) )
{
int nPos = 0;
daoUtil.setInt( ++nPos, image.getId( ) );
daoUtil.setString( ++nPos, image.getName( ) );
daoUtil.setString( ++nPos, image.getMimeType( ) );
daoUtil.setBytes( ++nPos, image.getValue( ) );
daoUtil.setInt( ++nPos, image.getTopicId( ) );
daoUtil.setInt( ++nPos, image.getWidth( ) );
daoUtil.setInt( ++nPos, image.getHeight( ) );
daoUtil.setInt( ++nPos, image.getId( ) );
daoUtil.executeUpdate( );
}
}
/**
* {@inheritDoc }
*/
@Override
public void storeMetadata( Image image, Plugin plugin )
{
try( DAOUtil daoUtil = new DAOUtil( SQL_QUERY_UPDATE_METADATA, plugin ) )
{
int nPos = 0;
daoUtil.setInt( ++nPos, image.getId( ) );
daoUtil.setString( ++nPos, image.getName( ) );
daoUtil.setInt( ++nPos, image.getTopicId( ) );
daoUtil.setInt( ++nPos, image.getWidth( ) );
daoUtil.setInt( ++nPos, image.getHeight( ) );
daoUtil.setInt( ++nPos, image.getId( ) );
daoUtil.executeUpdate( );
}
}
/**
* {@inheritDoc }
*/
@Override
public Image load( int nIdImage, Plugin plugin )
{
Image image = null;
try( DAOUtil daoUtil = new DAOUtil( SQL_QUERY_FIND_BY_PRIMARY_KEY, plugin ) )
{
daoUtil.setInt( 1, nIdImage );
daoUtil.executeQuery( );
int nPos = 0;
if ( daoUtil.next( ) )
{
image = new Image( );
image.setId( daoUtil.getInt( ++nPos ) );
image.setName( daoUtil.getString( ++nPos ) );
image.setMimeType( daoUtil.getString( ++nPos ) );
image.setValue( daoUtil.getBytes( ++nPos ) );
image.setTopicId( daoUtil.getInt( ++nPos ) );
image.setWidth( daoUtil.getInt( ++nPos ) );
image.setHeight( daoUtil.getInt( ++nPos ) );
}
}
return image;
}
/**
* {@inheritDoc }
*/
@Override
public void delete( int nIdImage, Plugin plugin )
{
try( DAOUtil daoUtil = new DAOUtil( SQL_QUERY_DELETE, plugin ) )
{
daoUtil.setInt( 1, nIdImage );
daoUtil.executeUpdate( );
}
}
/**
* {@inheritDoc }
*/
@Override
public void deleteByTopic( int nTopicId, Plugin plugin )
{
try( DAOUtil daoUtil = new DAOUtil( SQL_QUERY_DELETE_BY_TOPIC, plugin ) )
{
daoUtil.setInt( 1, nTopicId );
daoUtil.executeUpdate( );
}
}
/**
* {@inheritDoc }
*/
@Override
public List<Image> selectAll( Plugin plugin )
{
Image image = null;
List<Image> listImage = new ArrayList<>( );
try( DAOUtil daoUtil = new DAOUtil( SQL_QUERY_SELECT_ICON, plugin ) )
{
daoUtil.executeQuery( );
int nPos;
while ( daoUtil.next( ) )
{
nPos = 0;
image = new Image( );
image.setId( daoUtil.getInt( ++nPos ) );
image.setName( daoUtil.getString( ++nPos ) );
image.setMimeType( daoUtil.getString( ++nPos ) );
image.setTopicId( daoUtil.getInt( ++nPos ) );
image.setWidth( daoUtil.getInt( ++nPos ) );
image.setHeight( daoUtil.getInt( ++nPos ) );
listImage.add( image );
}
}
return listImage;
}
/**
* {@inheritDoc }
*/
@Override
public List<Image> selectByTopicId( int nTopicId, Plugin plugin )
{
Image image = null;
List<Image> listImage = new ArrayList<>( );
try( DAOUtil daoUtil = new DAOUtil( SQL_QUERY_FIND_BY_TOPIC, plugin ) )
{
daoUtil.setInt( 1, nTopicId );
daoUtil.executeQuery( );
int nPos;
while ( daoUtil.next( ) )
{
nPos = 0;
image = new Image( );
image.setId( daoUtil.getInt( ++nPos ) );
image.setName( daoUtil.getString( ++nPos ) );
image.setMimeType( daoUtil.getString( ++nPos ) );
image.setTopicId( daoUtil.getInt( ++nPos ) );
image.setWidth( daoUtil.getInt( ++nPos ) );
image.setHeight( daoUtil.getInt( ++nPos ) );
listImage.add( image );
}
}
return listImage;
}
}