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FileSystemObjectPoolSelecter.java

00001 /*
00002  * OpenMobileIS - a free Java(TM) Framework for mobile applications Java(TM)
00003  * Copyright (C) 2004-2005 Philippe Delrieu
00004  * All rights reserved.
00005  * Contact: openmobileis@e-care.fr
00006  *
00007  * This library is free software; you can redistribute it and/or
00008  * modify it under the terms of the GNU Lesser General Public
00009  * License as published by the Free Software Foundation; either
00010  * version 2.1 of the License, or any later version.
00011  *
00012  * This library is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00015  * Lesser General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU Lesser General Public
00018  * License along with this library; if not, write to the Free Software
00019  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
00020  * USA
00021  *
00022  *  Author : Philippe Delrieu
00023  *  
00024  *  Modifications :
00025  *  2004 Creation P.Delrieu
00026  * 
00027  */
00028 
00029 package org.openmobileis.synchro.openmsp.server.util;
00030 
00031 import org.openmobileis.common.context.UserTerminal;
00032 import org.openmobileis.common.util.exception.DefaultException;
00033 import org.openmobileis.common.util.log.LogManager;
00034 
00042 public class FileSystemObjectPoolSelecter {
00043   private static FileSystemObjectPoolSelecter manager;
00044   private FileSystemObjectPool memoryPool;
00045 
00046   private FileSystemObjectPoolSelecter()  throws ClassNotFoundException, IllegalAccessException, InstantiationException  {
00047     memoryPool = new FileSystemObjectPool("org.openmobileis.synchro.openmsp.server.util.MemoryFileSystem");
00048   }
00049 
00050   public final static FileSystemObjectPool getPool(UserTerminal terminal) {
00051     if (manager == null)  {
00052       synchronized (FileSystemObjectPool.class)  {
00053         if (manager == null)  {
00054           try {
00055             manager = new FileSystemObjectPoolSelecter();
00056           } catch (Exception e) {
00057             LogManager.trace(new DefaultException("Can't initialize FileSystemObject pool", e));
00058 
00059           }
00060         }
00061       }
00062     }
00063     FileSystemObjectPool pool = manager.memoryPool;
00064     return pool;
00065   }
00066 }

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