gt:       cmd = parser.parse(options, args);
context: /**
   * WattDepotServer.java This file is part of WattDepot.
   *
   * Copyright (C) 2013  Cam Moore
   *
   * This program is free software: you can redistribute it and/or modify
   * it under the terms of the GNU General Public License as published by
   * the Free Software Foundation, either version 3 of the License, or
   * (at your option) any later version.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
   */
  package org.wattdepot.server;
  
  import java.util.logging.Level;
  import java.util.logging.LogManager;
  import java.util.logging.Logger;
  
  import org.apache.commons.cli.CommandLine;
  import org.apache.commons.cli.CommandLineParser;
  import org.apache.commons.cli.DefaultParser;
  import org.apache.commons.cli.HelpFormatter;
  import org.apache.commons.cli.Options;
  import org.apache.commons.cli.ParseException;
  import org.restlet.Context;
  import org.restlet.Server;
  import org.restlet.data.Parameter;
  import org.restlet.data.Protocol;
  import org.restlet.util.Series;
  import org.wattdepot.common.util.logger.LoggerUtil;
  import org.wattdepot.server.http.api.WattDepotComponent;
  
  /**
   * WattDepotServer - The main class that starts up the WattDepotServer
   * coordinates the different interfaces.
   * 
   * @author Cam Moore
   * 
   */
  public class WattDepotServer {
  
    /** Holds the Restlet component for the server. */
    private WattDepotComponent restletServer;
    /** Holds the WattDepot persistent store for the server. */
    private WattDepotPersistence depot;
    /** Holds the ServerProperties instance associated with this server. */
    private ServerProperties serverProperties;
    /** Holds the WattDepotLogger for the server. */
    private Logger logger = null;
    /** Holds the hostname associated with this Server. */
    private String hostName = null;
  
    /**
     * Default constructor.
     * 
     */
    public WattDepotServer() {
    }
  
    /**
     * Creates a new instance of the WattDepot server. Using the default server
     * values.
     * 
     * @return The WattDepotServer.
     * @throws Exception
     *           if there is a problem starting the server.
     */
    public static WattDepotServer newInstance() throws Exception {
      ServerProperties props = new ServerProperties();
      return newInstance(props);
    }
  
    /**
     * Creates a new instance of the WattDepot server.
     * 
     * @param serverSubdir
     *          The name of the directory containing the server's files.
     * @return The WattDepotServer.
     * @throws Exception
     *           if there is a problem starting the server.
     */
    public static WattDepotServer newInstance(String serverSubdir)
        throws Exception {
      return newInstance(new ServerProperties(serverSubdir));
    }
  
    /**
     * Creates a new instance of the WattDepot server.
     * 
     * @param properties
     *          The ServerProperties used to initialize this server.
     * @return The WattDepotServer.
     * @throws Exception
     *           if there is a problem starting the server.
     */
    public static WattDepotServer newInstance(ServerProperties properties)
        throws Exception {
      int port = Integer.parseInt(properties.get(ServerProperties.PORT_KEY));
      WattDepotServer wattDepotServer = new WattDepotServer();
      // System.out.println("WattDepotServer.");
  //        LoggerUtil.showLoggers();
      boolean enableLogging = Boolean.parseBoolean(properties
          .get(ServerProperties.ENABLE_LOGGING_KEY));
      wattDepotServer.serverProperties = properties;
      wattDepotServer.hostName = wattDepotServer.serverProperties.getFullHost();
  
      // Get the WattDepotPersistence implementation.
      String depotClass = properties.get(ServerProperties.WATT_DEPOT_IMPL_KEY);
      wattDepotServer.depot = (WattDepotPersistence) Class.forName(depotClass)
          .getConstructor(ServerProperties.class).newInstance(properties);
      if (wattDepotServer.depot.getSessionOpen() != wattDepotServer.depot.getSessionClose()) {
        throw new RuntimeException("opens and closed mismatched.");
      }
      wattDepotServer.depot.initializeMeasurementTypes();
      if (wattDepotServer.depot.getSessionOpen() != wattDepotServer.depot.getSessionClose()) {
        throw new RuntimeException("opens and closed mismatched.");
      }
      wattDepotServer.depot.initializeSensorModels();
      if (wattDepotServer.depot.getSessionOpen() != wattDepotServer.depot.getSessionClose()) {
        throw new RuntimeException("opens and closed mismatched.");
      }
      wattDepotServer.depot.setServerProperties(properties);
      wattDepotServer.restletServer = new WattDepotComponent(wattDepotServer.depot);
  
      // Adds a HTTP or HTTPS server connector
      if (properties.get(ServerProperties.SSL).equals(ServerProperties.TRUE)) {
  
        Server server = new Server(new Context(), Protocol.HTTPS, port, wattDepotServer.restletServer);
        Series<Parameter> parameters = server.getContext().getParameters();
        parameters.add("sslContextFactory", "org.restlet.ext.ssl.DefaultSslContextFactory");
        parameters.add("keyStorePath", properties.get(ServerProperties.SSL_KEYSTORE_PATH));
        parameters.add("keyStorePassword", properties.get(ServerProperties.SSL_KEYSTORE_PASSWORD));
        parameters.add("keyPassword", properties.get(ServerProperties.SSL_KEYSTORE_KEY_PASSWORD));
        parameters.add("keyStoreType", properties.get(ServerProperties.SSL_KEYSTORE_TYPE));
  //      parameters.add("protocol", "TLS");
  //      parameters.add("wantClientAuthentication", "false");
        wattDepotServer.restletServer.getServers().add(server);
      }
      else {
        wattDepotServer.restletServer.getServers().add(Protocol.HTTP, port);
      }
  
      wattDepotServer.logger = wattDepotServer.restletServer.getLogger();
  
      // Set up logging.
      if (enableLogging) {
        LoggerUtil.useConsoleHandler();
        Logger base = LogManager.getLogManager().getLogger(Logger.GLOBAL_LOGGER_NAME);
        base = base.getParent();
        String level = properties.get(ServerProperties.LOGGING_LEVEL_KEY);
       LoggerUtil.setLoggingLevel(base, level);
  
        wattDepotServer.logger.info("Starting WattDepot server.");
        wattDepotServer.logger.info("Host: " + wattDepotServer.hostName);
        wattDepotServer.logger.info(wattDepotServer.serverProperties.echoProperties());
      }
      else {
        LoggerUtil.useConsoleHandler();
        Logger base = LogManager.getLogManager().getLogger(Logger.GLOBAL_LOGGER_NAME);
        base = base.getParent();
        LoggerUtil.setLoggingLevel(base, Level.SEVERE.toString());
      }
      wattDepotServer.restletServer.start();
  
      wattDepotServer.logger.info("WattDepot server now running.");
  
  //    LoggerUtil.showLoggers();
      return wattDepotServer;
    }
  
    /**
     * Creates a new WattDepotServer suitable for unit testing.
     * 
     * @return A WattDepotServer configured for testing.
     * @throws Exception
     *           if there is a problem initializing the server.
     */
    public static WattDepotServer newTestInstance() throws Exception {
      ServerProperties properties = new ServerProperties();
      properties.setTestProperties();
      return newInstance(properties);
    }
  
    /**
     * @return the restletServer
     */
    public WattDepotComponent getRestletServer() {
      return restletServer;
    }
  
    /**
     * @return the depot
     */
    public WattDepotPersistence getDepot() {
      return depot;
    }
  
    /**
     * @return the serverProperties
     */
    public ServerProperties getServerProperties() {
      return serverProperties;
    }
  
    /**
     * Stops the WattDepotServer.
     * 
     * @throws Exception
     *           if there is a problem stopping the different servers.
     */
    public void stop() throws Exception {
      this.depot.stop();
      this.restletServer.stop();
    }
  
    /**
     * @param args
     *          commandline arguments.
     * @throws Exception
     *           if there is a problem starting the components.
     */
    public static void main(String[] args) throws Exception {
      Options options = new Options();
      options.addOption("h", "help", false, "Print this message");
      options
          .addOption("d", "directoryName", true,
              "subdirectory under ~/.wattdepot where this server's files are to be kept.");
  
      CommandLine cmd = null;
      String directoryName = null;
  
      CommandLineParser parser = new DefaultParser();
      HelpFormatter formatter = new HelpFormatter();
      try {
  