/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.iotdb.jdbc;

import java.sql.Connection;
import java.sql.Driver;
import java.sql.DriverManager;
import java.sql.DriverPropertyInfo;
import java.sql.SQLException;
import java.sql.SQLFeatureNotSupportedException;
import java.util.Properties;
import java.util.logging.Logger;
import java.util.regex.Pattern;
import org.apache.thrift.transport.TTransportException;
import org.osgi.service.component.annotations.Component;

@Component(service = java.sql.Driver.class, immediate = true)public class IoTDBDriver implements Driver {
  private static final org.slf4j.Logger logger = org.slf4j.LoggerFactory
      .getLogger(IoTDBDriver.class);
  /**
   * Is this driver JDBC compliant.
   */
  private static final boolean TSFILE_JDBC_COMPLIANT = false;

  static {
    try {
      DriverManager.registerDriver(new IoTDBDriver());
    } catch (SQLException e) {
      logger.error("Error occurs when registering TsFile driver", e);
    }
  }

  private final String TSFILE_URL_PREFIX = Config.IOTDB_URL_PREFIX + ".*";

  public IoTDBDriver() {
    // This is a constructor.
  }

  @Override
  public boolean acceptsURL(String url) throws SQLException {
    return Pattern.matches(TSFILE_URL_PREFIX, url);
  }

  @Override
  public Connection connect(String url, Properties info) throws SQLException {
    try {
      return acceptsURL(url) ? new IoTDBConnection(url, info) : null;
    } catch (TTransportException e) {
      throw new SQLException(
          "Connection Error, please check whether the network is available or the server"
              + " has started.");
    }
  }

  @Override
  public int getMajorVersion() {
    // TODO Auto-generated method stub
    return 0;
  }

  @Override
  public int getMinorVersion() {
    // TODO Auto-generated method stub
    return 0;
  }

  @Override
  public Logger getParentLogger() throws SQLFeatureNotSupportedException {
    throw new SQLFeatureNotSupportedException("Method not supported");
  }

  @Override
  public DriverPropertyInfo[] getPropertyInfo(String url, Properties info) throws SQLException {
    // TODO Auto-generated method stub
    return new DriverPropertyInfo[0];
  }

  @Override
  public boolean jdbcCompliant() {
    return TSFILE_JDBC_COMPLIANT;
  }

}
