Ejemplo n.º 1
1
 private void initRead() throws IOException {
   if (input == null) {
     try {
       InputStream in = FileUtils.newInputStream(fileName);
       in = new BufferedInputStream(in, Constants.IO_BUFFER_SIZE);
       input = new InputStreamReader(in, characterSet);
     } catch (IOException e) {
       close();
       throw e;
     }
   }
   if (!input.markSupported()) {
     input = new BufferedReader(input);
   }
   input.mark(1);
   int bom = input.read();
   if (bom != 0xfeff) {
     // Microsoft Excel compatibility
     // ignore pseudo-BOM
     input.reset();
   }
   inputBuffer = new char[Constants.IO_BUFFER_SIZE * 2];
   if (columnNames == null) {
     readHeader();
   }
 }
Ejemplo n.º 2
0
 private void initWrite() throws IOException {
   if (output == null) {
     try {
       OutputStream out = FileUtils.newOutputStream(fileName, false);
       out = new BufferedOutputStream(out, Constants.IO_BUFFER_SIZE);
       output = new BufferedWriter(new OutputStreamWriter(out, characterSet));
     } catch (Exception e) {
       close();
       throw DbException.convertToIOException(e);
     }
   }
 }
Ejemplo n.º 3
0
 public FileStore openFile(String name, String mode, boolean mustExist) {
   if (mustExist && !FileUtils.exists(name)) {
     throw DbException.get(ErrorCode.FILE_NOT_FOUND_1, name);
   }
   FileStore store;
   if (cipher == null) {
     store = FileStore.open(this, name, mode);
   } else {
     store = FileStore.open(this, name, mode, cipher, fileEncryptionKey, 0);
   }
   store.setCheckedWriting(false);
   try {
     store.init();
   } catch (DbException e) {
     store.closeSilently();
     throw e;
   }
   return store;
 }
Ejemplo n.º 4
0
  private void connectServer(ConnectionInfo ci) {
    String name = ci.getName();
    if (name.startsWith("//")) {
      name = name.substring("//".length());
    }
    int idx = name.indexOf('/');
    if (idx < 0) {
      throw ci.getFormatException();
    }
    databaseName = name.substring(idx + 1);
    String server = name.substring(0, idx);
    traceSystem = new TraceSystem(null);
    String traceLevelFile = ci.getProperty(SetTypes.TRACE_LEVEL_FILE, null);
    if (traceLevelFile != null) {
      int level = Integer.parseInt(traceLevelFile);
      String prefix = getFilePrefix(SysProperties.CLIENT_TRACE_DIRECTORY);
      try {
        traceSystem.setLevelFile(level);
        if (level > 0) {
          String file = FileUtils.createTempFile(prefix, Constants.SUFFIX_TRACE_FILE, false, false);
          traceSystem.setFileName(file);
        }
      } catch (IOException e) {
        throw DbException.convertIOException(e, prefix);
      }
    }
    String traceLevelSystemOut = ci.getProperty(SetTypes.TRACE_LEVEL_SYSTEM_OUT, null);
    if (traceLevelSystemOut != null) {
      int level = Integer.parseInt(traceLevelSystemOut);
      traceSystem.setLevelSystemOut(level);
    }
    trace = traceSystem.getTrace(Trace.JDBC);
    String serverList = null;
    if (server.indexOf(',') >= 0) {
      serverList = StringUtils.quoteStringSQL(server);
      ci.setProperty("CLUSTER", Constants.CLUSTERING_ENABLED);
    }
    autoReconnect = Boolean.valueOf(ci.getProperty("AUTO_RECONNECT", "false")).booleanValue();
    // AUTO_SERVER implies AUTO_RECONNECT
    boolean autoServer = Boolean.valueOf(ci.getProperty("AUTO_SERVER", "false")).booleanValue();
    if (autoServer && serverList != null) {
      throw DbException.getUnsupportedException("autoServer && serverList != null");
    }
    autoReconnect |= autoServer;
    if (autoReconnect) {
      String className = ci.getProperty("DATABASE_EVENT_LISTENER");
      if (className != null) {
        className = StringUtils.trim(className, true, true, "'");
        try {
          eventListener = (DatabaseEventListener) Utils.loadUserClass(className).newInstance();
        } catch (Throwable e) {
          throw DbException.convert(e);
        }
      }
    }
    cipher = ci.getProperty("CIPHER");
    if (cipher != null) {
      fileEncryptionKey = MathUtils.secureRandomBytes(32);
    }

    String[] servers;
    if (ci.isDynamic()) {
      servers = new String[] {ci.getOnlineServer(server)};
    } else {
      servers = StringUtils.arraySplit(server, ',', true);

      if (servers.length > 1 && !ci.removeProperty("USE_H2_CLUSTER_MODE", false))
        servers = new String[] {servers[random.nextInt(servers.length)]};
    }
    int len = servers.length;
    transferList.clear();
    sessionId = StringUtils.convertBytesToHex(MathUtils.secureRandomBytes(32));
    // TODO cluster: support more than 2 connections
    boolean switchOffCluster = false;
    try {
      for (int i = 0; i < len; i++) {
        String s = servers[i];
        try {
          Transfer trans = initTransfer(ci, databaseName, s);
          transferList.add(trans);
        } catch (IOException e) {
          if (len == 1) {
            throw DbException.get(ErrorCode.CONNECTION_BROKEN_1, e, e + ": " + s);
          }
          switchOffCluster = true;
        }
      }
      checkClosed();
      if (switchOffCluster) {
        switchOffCluster();
      }
      checkClusterDisableAutoCommit(serverList);
    } catch (DbException e) {
      traceSystem.close();
      throw e;
    }
  }