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SynchroFastObjectDBManager.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  *  2004 Modified by Romain Beaugrand
00027  * 
00028  */
00029 package org.openmobileis.database.fastobjectdb.synchro.client;
00030 
00031 import java.util.Enumeration;
00032 import java.util.Hashtable;
00033 
00034 import org.openmobileis.common.context.ApplicationContextManager;
00035 import org.openmobileis.common.util.PropertiesManager;
00036 import org.openmobileis.database.DatabaseException;
00037 import org.openmobileis.database.fastobjectdb.FastObjectDB;
00038 import org.openmobileis.database.fastobjectdb.FastObjectDBManager;
00039 import org.openmobileis.database.fastobjectdb.db.FODBCollection;
00040 import org.openmobileis.database.fastobjectdb.db.crypto.FODBCypher;
00041 import org.openmobileis.synchro.openmsp.client.db.SyncActionDBManager;
00042 
00043 
00055 public final class SynchroFastObjectDBManager extends FastObjectDBManager {
00056         private static Hashtable cypherList;
00057         
00064         public static FastObjectDB getCurrentFODB() throws DatabaseException    {
00065                 if (db == null) {
00066                         String dbPath = PropertiesManager.getManager().getProperty("fastobjectdb.database.path");
00067                         String dbname = PropertiesManager.getManager().getProperty("fastobjectdb.database.name");
00068                         if ((dbPath == null) || (dbname == null))       {
00069                                 throw new DatabaseException("FPDB ERROR : FODB path or name property is not set. Can't create db");
00070                         }
00071                         synchronized(SynchroFastObjectDBManager.class)  {
00072                                 if (db==null)   {
00073                                         try     {
00074                                                 db = SynchroFastObjectDB.open(dbPath, dbname);
00075                                                 ApplicationContextManager.getManager().addManager(db);
00076                                                 if (cypherList != null) {
00077                                                     Enumeration keys = cypherList.keys();
00078                                                     while (keys.hasMoreElements())      {
00079                                                         String colName = (String) keys.nextElement();
00080                                                         FODBCollection col = db.getCollection(colName);
00081                     if (col == null)  {
00082                       throw new DatabaseException("FPDB ERROR : FODB collection does not exist for declared collection cypher "+colName);
00083                     }
00084                                                         col.setCollectionCypher((FODBCypher)cypherList.get(colName));
00085                                                     }
00086                                                     cypherList = null;
00087                                                 }
00088                                                 //activate synchro action manager.
00089                                                 SyncActionDBManager.registerSyncActionDBQueryManager(new FODBSyncActionDBQueryManager());
00090                                                 SyncActionDBManager.getManager();
00091                                         } catch (Throwable ex)  {
00092                                                 throw new DatabaseException(ex);
00093                                         }
00094                                 }
00095                         }
00096                 }
00097                 return db;
00098         }
00099         
00103         public static void flushDB() throws DatabaseException{
00104             if (db != null)     {       
00105                 FODBCollection[] colList = db.getDatabaseCollectionArray();
00106                 cypherList = new Hashtable();
00107                 for (int i=0; i<colList.length; i++)    {
00108                     FODBCypher cypher = colList[i].getCollectionCypher();
00109                     if (cypher != null) {
00110                         cypherList.put(colList[i].getName(), cypher);
00111                     }
00112                 }
00113             }
00114             db=null;
00115                 SynchroFastObjectDBManager.getCurrentFODB();
00116         }
00117 }

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