Package cx.fbn.nevernote.sql

Source Code of cx.fbn.nevernote.sql.DatabaseConnection

/*
* This file is part of NixNote
* Copyright 2009 Randy Baumgarte
*
* This file may be licensed under the terms of of the
* GNU General Public License Version 2 (the ``GPL'').
*
* Software distributed under the License is distributed
* on an ``AS IS'' basis, WITHOUT WARRANTY OF ANY KIND, either
* express or implied. See the GPL for the specific language
* governing rights and limitations.
*
* You should have received a copy of the GPL along with this
* program. If not, go to http://www.gnu.org/licenses/gpl.html
* or write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
package cx.fbn.nevernote.sql;

import java.io.File;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;

import cx.fbn.nevernote.Global;
import cx.fbn.nevernote.sql.driver.NSqlQuery;
import cx.fbn.nevernote.utilities.ApplicationLogger;


public class DatabaseConnection {
  // Table helpers
  private WordsTable          wordsTable;
  private TagTable          tagTable;
  private NotebookTable        notebookTable;
  private NoteTable          noteTable;
  private DeletedTable        deletedTable;
  private SavedSearchTable      searchTable;
  private WatchFolderTable      watchFolderTable;
  private InvalidXMLTable        invalidXMLTable;
  private LinkedNotebookTable      linkedNotebookTable;
  private SharedNotebookTable      sharedNotebookTable;
  private InkImagesTable        inkImagesTable;
  private SyncTable          syncTable;
  private SystemIconTable        systemIconTable;
  private final ApplicationLogger    logger;
  private Connection          conn;
  private Connection          indexConn;
  private Connection          resourceConn;
  int throttle;
  int id;

 
  public DatabaseConnection(ApplicationLogger l, String url, String iurl, String rurl, String userid, String password, String cypherPassword, int throttle) {
    logger = l;
    this.throttle = throttle;
    dbSetup(url, iurl, rurl, userid, password, cypherPassword);
  }
 
  private void setupTables() {
    tagTable = new TagTable(logger, this);
    notebookTable = new NotebookTable(logger, this);
    noteTable = new NoteTable(logger, this);
    deletedTable = new DeletedTable(logger, this);
    searchTable = new SavedSearchTable(logger, this)
    watchFolderTable = new WatchFolderTable(logger, this);
    invalidXMLTable = new InvalidXMLTable(logger, this);
    wordsTable = new WordsTable(logger, this);
    syncTable = new SyncTable(logger, this);
    linkedNotebookTable = new LinkedNotebookTable(logger, this);
    sharedNotebookTable = new SharedNotebookTable(logger, this);
    systemIconTable = new SystemIconTable(logger, this);
    inkImagesTable = new InkImagesTable(logger, this);
  }
 
 
  // Compact the database
  public void compactDatabase() {
   
  }
 
  // Initialize the database connection
  public void dbSetup(String url,String indexUrl, String resourceUrl, String userid, String userPassword, String cypherPassword) {
    logger.log(logger.HIGH, "Entering DatabaseConnection.dbSetup " +id);

   
    try {
      Class.forName("org.h2.Driver");
    } catch (ClassNotFoundException e1) {
      e1.printStackTrace();
      System.exit(16);
    }
   
//    QJdbc.initialize();
   
    setupTables();
   
    File f = Global.getFileManager().getDbDirFile(Global.databaseName + ".h2.db");
    boolean dbExists = f.exists();
    f = Global.getFileManager().getDbDirFile(Global.indexDatabaseName + ".h2.db");
    boolean indexDbExists = f.exists();
    f = Global.getFileManager().getDbDirFile(Global.resourceDatabaseName + ".h2.db");
    boolean resourceDbExists = f.exists();
   
    logger.log(logger.HIGH, "Entering RDatabaseConnection.dbSetup");
   
    String passwordString = null;
    try {
     
      if (cypherPassword==null || cypherPassword.trim().equals(""))
        passwordString = userPassword;
      else
        passwordString = cypherPassword+" "+userPassword;
//      conn = DriverManager.getConnection(url,userid,passwordString);
//      conn = DriverManager.getConnection(url,userid,passwordString);
//      conn = DriverManager.getConnection(url+";CACHE_SIZE=4096",userid,passwordString);
      if (throttle == 0) {
        conn = DriverManager.getConnection(url+";CACHE_SIZE="+Global.databaseCache,userid,passwordString);
      } else {
         conn = DriverManager.getConnection(url+";THROTTLE=" +new Integer(throttle).toString()+";CACHE_SIZE="+Global.databaseCache,userid,passwordString);
      }
      indexConn = DriverManager.getConnection(indexUrl,userid,passwordString);
      resourceConn = DriverManager.getConnection(resourceUrl,userid,passwordString);
//      conn = DriverManager.getConnection(url+";AUTO_SERVER=TRUE",userid,passwordString);
    } catch (SQLException e) {
      e.printStackTrace();
      return;
    }
   
    // If it doesn't exist and we are the main thread, then we need to create stuff.
    if (!dbExists)  {
      createTables();
      Global.setAutomaticLogin(false);
    }   
    if (!resourceDbExists) {
      createResourceTables();
      if (dbTableExists("NoteResources")) {
        // Begin migration of database
        NSqlQuery query = new NSqlQuery(resourceConn);
        String linkcmd = "create linked table oldnoteresources "+
            "('org.h2.Driver', '"+url+"', '"+userid+"', '"+passwordString+"', 'NoteResources')";
        query.exec(linkcmd);
        query.exec("insert into noteresources (select * from oldnoteresources)");
        query.exec("Drop table oldnoteresources;");
        query.exec("Update noteresources set indexneeded='true'");
       
      }
    }
    if (!indexDbExists)  {
      createIndexTables();
      executeSql("Update note set indexneeded='true'");
    }
   
    // If we encrypted/decrypted it the last time, we need to reconnect the tables.
//    if (Global.relinkTables) {
//      NSqlQuery query = new NSqlQuery(conn);
//      query.exec("Drop table NoteResources;");
//      String linkcmd = "create linked table NoteResources "
//        +"('org.h2.Driver', '"+url+"', '"+userid+"', '"+passwordString+ "', 'NoteResources')";
//      System.out.println(linkcmd);
//      query.exec(linkcmd);
//      System.err.println(query.lastError());
//      Global.relinkTables = false;
//    }
   
   
    logger.log(logger.HIGH, "Leaving DatabaseConnection.dbSetup" +id);
  }
 
 
  public void dbShutdown() {
    logger.log(logger.HIGH, "Entering RDatabaseConnection.dbShutdown");
    try {
      conn.close();
    } catch (SQLException e) {
      e.printStackTrace();
    }
    logger.log(logger.HIGH, "Leaving RDatabaseConnection.dbShutdown");
  }
 
  public void upgradeDb(String version) {
    if (version.equals("0.85")) {
      executeSql("alter table note add column titleColor integer");
      executeSql("alter table note add column thumbnail blob");
      executeSql("alter table note add column thumbnailneeded boolean");
      executeSql("Update note set thumbnailneeded = true;");
      executeSql("create index NOTE_NOTEBOOK_INDEX on note (notebookguid, guid);");
      executeSql("create index NOTETAGS_TAG_INDEX on notetags (tagguid, noteguid);");
      version = "0.86";
      Global.setDatabaseVersion(version);
    }
    if (version.equals("0.86")) {
 
      executeSql("alter table notebook add column publishingUri VarChar");
      executeSql("alter table notebook add column publishingOrder Integer");
      executeSql("alter table notebook add column publishingAscending Boolean");
      executeSql("alter table notebook add column publishingPublicDescription varchar");
      executeSql("alter table notebook add column stack varchar");
      executeSql("alter table notebook add column icon blob");
      executeSql("alter table notebook add column readOnly boolean");
      executeSql("alter table notebook add column linked boolean");
     
      executeSql("alter table tag add column realname varchar");
      executeSql("alter table tag add column linked boolean");
      executeSql("alter table tag add column icon blob");
      executeSql("alter table tag add column notebookguid varchar");
      executeSql("alter table SavedSearch add column icon blob");

      executeSql("create index NOTE_THUMBNAIL_INDEX on note (thumbnailneeded, guid);");
      executeSql("create index NOTE_EXPUNGED_INDEX on note (isExpunged, guid);");
      executeSql("create index NOTE_DUEDATE_INDEX on note (attributeSubjectDate, guid);");
      executeSql("create index TAG_NOTEBOOK_INDEX on tag (notebookGuid);");
     
      executeSql("update note set thumbnailneeded=true, thumbnail=null;");
      executeSql("update notebook set publishingUri='', " +
          "publishingAscending=false, stack='', readonly=false, publishingOrder=1, " +
          "publishingPublicDescription='', linked=false");
      executeSql("update tag set linked=false, realname='', notebookguid=''");
     
      sharedNotebookTable.createTable();
      linkedNotebookTable.createTable();
      systemIconTable.createTable();
      inkImagesTable.createTable();
     
      version = "0.95";
      executeSql("Insert into Sync (key, value) values ('FullNotebookSync', 'true')");
      executeSql("Insert into Sync (key, value) values ('FullLinkedNotebookSync', 'true')");
      executeSql("Insert into Sync (key, value) values ('FullSharedNotebookSync', 'true')");
      executeSql("Insert into Sync (key, value) values ('FullInkNoteImageSync', 'true')");
      Global.setDatabaseVersion(version);
    }
    if (version.equals("0.95")) {
      if (dbTableExists("words"))
        executeSql("Drop table words;");
      if (dbTableExists("NoteResources"))
        executeSql("Drop table NoteResources;");
    }
    if (!dbTableColumnExists("NOTE", "ORIGINAL_GUID")) {
      executeSql("alter table note add column ORIGINAL_GUID VarChar");
      executeSql("create index NOTE_ORIGINAL_GUID_INDEX on note (original_guid, guid);");
    }
    if (!dbTableColumnExists("NOTEBOOK", "NARROW_SORT_ORDER")) {
      executeSql("alter table notebook add column NARROW_SORT_ORDER integer");
      executeSql("update notebook set NARROW_SORT_ORDER = -1");

      executeSql("alter table notebook add column WIDE_SORT_ORDER integer");
      executeSql("update notebook set WIDE_SORT_ORDER = -1");
     
      executeSql("alter table notebook add column WIDE_SORT_COLUMN integer");
      executeSql("update notebook set WIDE_SORT_COLUMN = -1");
     
      executeSql("alter table notebook add column NARROW_SORT_COLUMN integer");
      executeSql("update notebook set NARROW_SORT_COLUMN = -1");
    }
    if (!dbTableColumnExists("NOTE", "PINNED")) {
      executeSql("alter table note add column pinned integer");
      executeSql("update note set pinned = 0");
    }
    if (!dbTableColumnExists("NOTE", "ATTRIBUTECONTENTCLASS")) {
      executeSql("alter table note add column attributeContentClass VarChar");
      executeSql("update note set attributeContentClass = ''");
    }
  }
 
  public void executeSql(String sql) {
    NSqlQuery query = new NSqlQuery(conn);
    query.exec(sql)
  }
 
  public void checkDatabaseVersion() {
    if (!Global.getDatabaseVersion().equals("0.86")) {
      upgradeDb(Global.getDatabaseVersion());
    }
    if (!Global.getDatabaseVersion().equals("0.95")) {
      upgradeDb(Global.getDatabaseVersion());
    }
    if (!Global.getDatabaseVersion().equals("0.97")) {
      upgradeDb(Global.getDatabaseVersion());
    }
  }
 

  public void backupDatabase(int highSequence, long date) {
   
  }
 
 
  public void createTables() {
    Global.setDatabaseVersion("0.85");
    Global.setAutomaticLogin(false);
    Global.saveCurrentNoteGuid("");
    Global.saveUploadAmount(0);
   
    getTagTable().createTable();
    notebookTable.createTable(true);
    noteTable.createTable();
    deletedTable.createTable();   
    searchTable.createTable();
    watchFolderTable.createTable();
    invalidXMLTable.createTable();
    syncTable.createTable();
  }
 
  public void createIndexTables() {
    wordsTable.createTable();
  }
 
  public void createResourceTables() {
    noteTable.noteResourceTable.createTable();
  }
 
  public Connection getConnection() {
    return conn;
  }
  public Connection getIndexConnection() {
    return  indexConn;
  }
  public Connection getResourceConnection() {
    return resourceConn;
  }
 
  //***************************************************************
  //* Table get methods
  //***************************************************************
  public DeletedTable getDeletedTable() {
    return deletedTable;
  }
  public TagTable getTagTable() {
    return tagTable;
  }
  public NoteTable getNoteTable() {
    return noteTable;
  }
  public NotebookTable getNotebookTable() {
    return notebookTable;
  }
  public SavedSearchTable getSavedSearchTable() {
    return searchTable;
  }
  public WatchFolderTable getWatchFolderTable() {
    return watchFolderTable;
  }
  public WordsTable getWordsTable() {
    return wordsTable;
  }
  public InvalidXMLTable getInvalidXMLTable() {
    return invalidXMLTable;
  }
  public SyncTable getSyncTable() {
    return syncTable;
  }
  public LinkedNotebookTable getLinkedNotebookTable() {
    return linkedNotebookTable;
  }
  public SharedNotebookTable getSharedNotebookTable() {
    return sharedNotebookTable;
  }
  public SystemIconTable getSystemIconTable() {
    return systemIconTable;
  }
  public InkImagesTable getInkImagesTable() {
    return inkImagesTable;
  }

  //****************************************************************
  //* Begin/End transactions
  //****************************************************************
  public void beginTransaction() {
    commitTransaction();
        NSqlQuery query = new NSqlQuery(getConnection());                         
    if (!query.exec("Begin Transaction"))
      logger.log(logger.EXTREME, "Begin transaction has failed: " +query.lastError());

  }
  public void commitTransaction() {
        NSqlQuery query = new NSqlQuery(getConnection());
                         
    if (!query.exec("Commit"))
      logger.log(logger.EXTREME, "Transaction commit has failed: " +query.lastError());
  }

  //****************************************************************
  //* Check if a table exists
  //****************************************************************
  public boolean dbTableExists(String name) {
        NSqlQuery query = new NSqlQuery(getConnection());
        query.prepare("select TABLE_NAME from INFORMATION_SCHEMA.TABLES where TABLE_NAME=:name");
        query.bindValue(":name", name.toUpperCase());
        query.exec();
        if (query.next())
          return true;
        else
          return false;
  }
 
  //****************************************************************
  //* Check if a row in a table exists
  //****************************************************************
  public boolean dbTableColumnExists(String tableName, String columnName) {
        NSqlQuery query = new NSqlQuery(getConnection());
        query.prepare("select TABLE_NAME from INFORMATION_SCHEMA.COLUMNS where TABLE_NAME=:name and COLUMN_NAME=:column");
        query.bindValue(":name", tableName.toUpperCase());
        query.bindValue(":column", columnName);
        query.exec();
        if (query.next())
          return true;
        else
          return false;
  }
}
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