FODBOpenMSPSynchroTargetWrapper.java

00001 /*
00002  * OpenMobileIS - a free Java(TM) Framework for mobile applications Java(TM)
00003  * Copyright (C) 2004-2006 Philippe Delrieu
00004  * All rights reserved.
00005  * Contact: pdelrieu@openmobileis.org
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  */
00025 package org.openmobileis.database.fastobjectdb.synchro.server;
00026 
00027 import java.io.BufferedInputStream;
00028 import java.io.ByteArrayInputStream;
00029 import java.io.File;
00030 import java.io.FileInputStream;
00031 import java.io.FilenameFilter;
00032 import java.io.IOException;
00033 import java.io.InputStream;
00034 import java.io.ObjectInputStream;
00035 import java.util.StringTokenizer;
00036 
00037 import org.openmobileis.common.context.SessionContext;
00038 import org.openmobileis.common.context.SessionContextManager;
00039 import org.openmobileis.common.user.UserNotFoundException;
00040 import org.openmobileis.common.util.PropertiesManager;
00041 import org.openmobileis.common.util.codec.GeneralCoder;
00042 import org.openmobileis.common.util.collection.Array;
00043 import org.openmobileis.common.util.exception.ServiceException;
00044 import org.openmobileis.database.fastobjectdb.FODBCollectionDescriptor;
00045 import org.openmobileis.database.fastobjectdb.FODBIndexDescriptor;
00046 import org.openmobileis.database.fastobjectdb.FastObjectDB;
00047 import org.openmobileis.database.fastobjectdb.db.FODBCollection;
00048 import org.openmobileis.database.fastobjectdb.db.crypto.FODBCypher;
00049 import org.openmobileis.synchro.algo.replication.SynchroAtomicObject;
00050 import org.openmobileis.synchro.algo.replication.SynchroConflicResolver;
00051 import org.openmobileis.synchro.openmsp.OpenMSPException;
00052 import org.openmobileis.synchro.openmsp.server.synctarget.OpenMSPDBSynchroTargetListener;
00053 import org.openmobileis.synchro.openmsp.server.util.OpenMISFile;
00054 import org.openmobileis.synchro.openmsp.server.util.ZipEntryMemoryFile;
00055 import org.openmobileis.synchro.security.auth.Credential;
00056 
00067 public final class FODBOpenMSPSynchroTargetWrapper extends OpenMSPDBSynchroTargetListener {
00068   private FODBSyncTarget syncService;
00069 
00070   private String pregenerateddbpath;
00071 
00077   public FODBOpenMSPSynchroTargetWrapper(FODBSyncTarget syncService, String pregenerateddbpath) {
00078     this(syncService);
00079     this.pregenerateddbpath = pregenerateddbpath;
00080   }
00081 
00086   public FODBOpenMSPSynchroTargetWrapper(FODBSyncTarget syncService) {
00087     super();
00088     // init service data
00089     this.syncService = syncService;
00090   }
00091 
00092   /*
00093    * (non-Javadoc)
00094    * 
00095    * @see org.openmobileis.synchro.openmsp.server.synctarget.OpenMSPDBSynchroTargetListener#getTargetName()
00096    */
00097   public String getTargetName() {
00098     return syncService.getCollectionName();
00099   }
00100 
00101   /*
00102    * (non-Javadoc)
00103    * 
00104    * @see org.openmobileis.synchro.openmsp.server.synctarget.OpenMSPDBSynchroTargetListener#connect(org.openmobileis.synchro.security.auth.Credential)
00105    */
00106   protected void connect(Credential cred) throws UserNotFoundException, ServiceException {
00107     syncService.connect(cred);
00108 
00109   }
00110 
00111   /*
00112    * (non-Javadoc)
00113    * 
00114    * @see org.openmobileis.synchro.openmsp.server.synctarget.OpenMSPDBSynchroTargetListener#disconnect()
00115    */
00116   protected void disconnect() {
00117     syncService.disconnect();
00118 
00119   }
00120 
00121   /*
00122    * (non-Javadoc)
00123    * 
00124    * @see org.openmobileis.synchro.openmsp.server.synctarget.OpenMSPDBSynchroTargetListener#getSynchroConflicResolver()
00125    */
00126   protected SynchroConflicResolver getSynchroConflicResolver() {
00127     return syncService.getConflicResolver();
00128   }
00129 
00130   /*
00131    * (non-Javadoc)
00132    * 
00133    * @see org.openmobileis.synchro.openmsp.server.synctarget.OpenMSPDBSynchroTargetListener#getAllModifiedAtomicObjectSince(long)
00134    */
00135   protected SynchroAtomicObject[] getAllModifiedAtomicObjectSince(long syncNumber) throws OpenMSPException {
00136     return syncService.getAllModifiedAtomicObjectSince(syncNumber);
00137   }
00138 
00139   /*
00140    * (non-Javadoc)
00141    * 
00142    * @see org.openmobileis.synchro.openmsp.server.synctarget.OpenMSPDBSynchroTargetListener#updateTargetWithSynchroObject(java.lang.Object)
00143    */
00144   protected void updateTargetWithSynchroObject(Object syncObject) throws OpenMSPException {
00145     syncService.updateCollectionObject(syncObject);
00146   }
00147 
00148   /*
00149    * (non-Javadoc)
00150    * 
00151    * @see org.openmobileis.synchro.openmsp.server.synctarget.OpenMSPDBSynchroTargetListener#deleteTargetForSynchroObjectId(java.lang.String)
00152    */
00153   protected void deleteTargetForSynchroObjectId(String uid) throws OpenMSPException {
00154     syncService.deleteCollectionObject(uid);
00155 
00156   }
00157 
00158   /*
00159    * (non-Javadoc)
00160    * 
00161    * @see org.openmobileis.synchro.openmsp.server.synctarget.OpenMSPDBSynchroTargetListener#getTargetObjectWithId(java.lang.String)
00162    */
00163   protected Object getTargetObjectWithId(String uid) throws OpenMSPException {
00164     return syncService.getCollectionObjectWithId(uid);
00165   }
00166 
00173   protected int getUpdateMaxNbRow() {
00174     return syncService.getUpdateMaxNbRow();
00175   }
00176 
00180   protected void processSyncActionMetaData(String metadata) throws ServiceException {
00181     try {
00182     //manage user metadata
00183     int index  = metadata.indexOf('%');
00184     if (index != -1)    {
00185       String userdata = metadata.substring(0, index);
00186       if (!userdata.startsWith("no-metadata"))  {
00187         Object userdataok = this.unserializeData(userdata);
00188         this.syncService.setSendSynchroMetaData(userdataok);
00189       }
00190       if (index+1 < metadata.length())
00191         metadata = metadata.substring(index+1, metadata.length());
00192     }
00193     
00194     StringTokenizer token = new StringTokenizer(metadata, ":");
00195     if (token.hasMoreTokens()) {
00196       String collectionName = token.nextToken();
00197       SessionContext context = SessionContextManager.getManager().getSessionContext();
00198       context.setAttribute("FODBSyncServiceWrapper%class", collectionName);
00199 
00200       // manage cypher
00201       String encodedcypher = token.nextToken();
00202       if (encodedcypher.equals("nocypher")) {
00203         context.removeAttribute("FODBSyncServiceWrapper%cypher");
00204       } else {
00205           FODBCypher cypher = (FODBCypher) this.unserializeData(encodedcypher);
00206           context.setAttribute("FODBSyncServiceWrapper%cypher", cypher);
00207       }
00208 
00209       // manage collection descriptor
00210       String coldess = token.nextToken();
00211         FODBCollectionDescriptor coldesc = (FODBCollectionDescriptor) this.unserializeData(coldess);
00212         context.setAttribute("FODBSyncServiceWrapper%coldesc", coldesc);
00213  
00214       int nbToken = token.countTokens();
00215       FODBIndexDescriptor[] descList = new FODBIndexDescriptor[nbToken];
00216       int i = 0;
00217       while (token.hasMoreTokens()) {
00218         String descriptor = token.nextToken();
00219           FODBIndexDescriptor desc = (FODBIndexDescriptor) this.unserializeData(descriptor);
00220           descList[i] = desc;
00221         i++;
00222       }
00223       context.setAttribute("FODBSyncServiceWrapper%desclist", descList);
00224     }
00225     } catch (Throwable ex) {
00226       throw new ServiceException(ex);
00227     }
00228 
00229   }
00230   
00231   private Object unserializeData(String data) throws IOException, ClassNotFoundException  {
00232     byte[] b = GeneralCoder.decodeBase64(data.getBytes());
00233     ByteArrayInputStream bstr = new ByteArrayInputStream(b);
00234     try {
00235       ObjectInputStream ostr = new ObjectInputStream(bstr);
00236       return  ostr.readObject();
00237     } finally   {
00238       bstr.close();
00239     }
00240   }
00241 
00242   /*
00243    * (non-Javadoc)
00244    * 
00245    * @see org.openmobileis.server.synchro.safeserver.services.DefaultDBService#getDatabaseImportFiles()
00246    */
00247   protected OpenMISFile[] getDatabaseImportFiles() throws ServiceException {
00248     if (this.pregenerateddbpath == null) {
00249       return this.generateImportDatabaseFiles();
00250     } else {
00251       return this.getPregenerateDatabaseFiles();
00252     }
00253   }
00254 
00255   private synchronized OpenMISFile[] getPregenerateDatabaseFiles() throws ServiceException {
00256     try {
00257       // get database name
00258       /*
00259        * int index = this.pregenerateddbpath.indexOf(File.separatorChar); String
00260        * databasename = null; if (index != -1) { to do that db must temporary
00261        * copied. databasename = this.pregenerateddbpath.substring(index+1,
00262        * this.pregenerateddbpath.length()); String dbRootPath =
00263        * this.pregenerateddbpath.substring(0, index); FastObjectDB db =
00264        * FastObjectDB.open(dbRootPath, "databasename");
00265        * syncService.updateSynchroDB(db); }
00266        */
00267 
00268       // get db collection files
00269       File dbFiles = new File(this.pregenerateddbpath);
00270       File[] colFiles = dbFiles.listFiles(new FilenameFilter() {
00271         public boolean accept(File arg0, String arg1) {
00272           return arg1.endsWith(".col");
00273         }
00274       });
00275       OpenMISFile[] retDbFiles = new OpenMISFile[colFiles.length];
00276       String dbPath = this.pregenerateddbpath + File.separatorChar;
00277       String filePath = null;
00278       for (int i = 0; i < retDbFiles.length; i++) {
00279         String fileColName = colFiles[i].getName();
00280         filePath = dbPath + fileColName;
00281         InputStream file = new BufferedInputStream(new FileInputStream(filePath));
00282         retDbFiles[i] = new ZipEntryMemoryFile("/" + fileColName, file);
00283         ((ZipEntryMemoryFile) retDbFiles[i]).setZipFileName("/dbfiles/" + this.getTargetName() + ".zip");
00284         file.close();
00285       }
00286 
00287       return retDbFiles;
00288     } catch (Throwable ex) {
00289       throw new ServiceException(ex);
00290     }
00291   }
00292 
00293   private OpenMISFile[] generateImportDatabaseFiles() throws ServiceException {
00294     try {
00295       String installPath = PropertiesManager.getManager().getProperty("org.openmobileis.database.fastobjectdb.synchro.server.generateddb.installpath");
00296       if (installPath == null) {
00297         installPath = System.getProperty("user.dir") + File.separator + "fodbgen"; // default
00298                                                                                     // Path
00299       }
00300       SessionContext context = SessionContextManager.getManager().getSessionContext();
00301       String userId = context.getUserId();
00302       StringBuffer buff = new StringBuffer(installPath).append(File.separatorChar);
00303       buff.append("temp").append(File.separatorChar).append(userId);
00304       String dbRootPath = buff.toString();
00305       buff.append(File.separatorChar).append("fodb");
00306       String dbPath = buff.toString();
00307       buff.append(File.separatorChar).append(syncService.getCollectionName()).append(".col");
00308       String filePath = buff.toString();
00309 
00310       File toDelFile = new File(filePath);
00311       if (toDelFile.exists()) {
00312         toDelFile.delete();
00313         toDelFile = new File(dbPath + File.separatorChar + "fodb.db");
00314         toDelFile.delete();
00315       }
00316       FastObjectDB db = FastObjectDB.open(dbRootPath, "fodb");
00317       try {
00318         // create collection index
00319         FODBCollectionDescriptor coldesc = (FODBCollectionDescriptor) context.getAttribute("FODBSyncServiceWrapper%coldesc");
00320         db.createCollection(coldesc);
00321 
00322         // manage cypher
00323         FODBCypher cypher = (FODBCypher) context.getAttribute("FODBSyncServiceWrapper%cypher");
00324         if (cypher != null) {
00325           FODBCollection col = db.getCollection(syncService.getCollectionName());
00326           col.setCollectionCypher(cypher);
00327         }
00328         FODBIndexDescriptor[] descList = (FODBIndexDescriptor[]) context.getAttribute("FODBSyncServiceWrapper%desclist");
00329         for (int i = 0; i < descList.length; i++) {
00330           if (descList[i] != null) {
00331             db.addIndex(syncService.getCollectionName(), descList[i]);
00332           }
00333         }
00334 
00335         Array objList = syncService.getAllCollectionObject();
00336         for (int i = 0; i < objList.size(); i++) {
00337           db.add(syncService.getCollectionName(), objList.get(i));
00338         }
00339         syncService.updateSynchroDB(db);
00340 
00341         FODBCollection[] colList = db.getDatabaseCollectionArray();
00342         OpenMISFile[] retDbFiles = new OpenMISFile[colList.length];
00343         dbPath = dbPath + File.separatorChar;
00344         for (int i = 0; i < retDbFiles.length; i++) {
00345           String fileColName = colList[i].getName() + ".col";
00346           filePath = dbPath + fileColName;
00347           InputStream file = new BufferedInputStream(new FileInputStream(filePath));
00348           retDbFiles[i] = new ZipEntryMemoryFile("/" + fileColName, file);
00349           ((ZipEntryMemoryFile) retDbFiles[i]).setZipFileName("/dbfiles/" + this.getTargetName() + ".zip");
00350           file.close();
00351         }
00352         return retDbFiles;
00353       } finally { // delete all db files
00354         toDelFile = new File(dbPath);
00355         File[] files = toDelFile.listFiles();
00356         for (int i = 0; i < files.length; i++) {
00357           files[i].delete();
00358         }
00359       }
00360     } catch (Throwable ex) {
00361       throw new ServiceException(ex);
00362     }
00363   }
00364 
00365 }

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