LuteceConnectionFactory.java

  1. /*
  2.  * Copyright (c) 2002-2022, City of 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.util.pool.service;

  35. import java.lang.reflect.Proxy;

  36. import java.sql.Connection;

  37. /**
  38.  *
  39.  * Factory to create LuteceConnection
  40.  */
  41. public final class LuteceConnectionFactory
  42. {
  43.     /**
  44.      * Supported interfaces for the proxy
  45.      */
  46.     @SuppressWarnings( "rawtypes" )
  47.     private static final Class [ ] PROXY_INTERFACES = {
  48.             LuteceConnection.class
  49.     };

  50.     /**
  51.      * Instantiates a new lutece connection factory.
  52.      */
  53.     private LuteceConnectionFactory( )
  54.     {
  55.     }

  56.     /**
  57.      * Builds a new proxied instance of the connection so we can use {@link ConnectionPool} with third party libraries.
  58.      *
  59.      * @param pool
  60.      *            the connection pool to use when closing connection
  61.      * @param connection
  62.      *            the actual connection
  63.      * @return a proxy implementing {@link LuteceConnection}
  64.      */
  65.     public static LuteceConnection newInstance( ConnectionPool pool, Connection connection )
  66.     {
  67.         return (LuteceConnection) Proxy.newProxyInstance( LuteceConnection.class.getClassLoader( ), PROXY_INTERFACES,
  68.                 new LuteceConnectionProxy( pool, connection ) );
  69.     }
  70. }