code: /* LanguageTool, a natural language style checker
   * Copyright (C) 2016 Daniel Naber (http://www.danielnaber.de)
   *
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 2.1 of the License, or (at your option) any later version.
   *
   * This library 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
   * Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301
   * USA
   */
  package org.languagetool.remote;
  
  import java.util.Objects;
  import java.util.Optional;
  
  /**
   * Information about the remote server as returned by the server's XML response.
   * @since 3.4
   */
  public class RemoteServer {
    
    private final String software;
    private final String version;
    private final String buildDate;
    
    RemoteServer(String software, String version, String buildDate) {
      this.software = Objects.requireNonNull(software);
      this.version = Objects.requireNonNull(version);
      this.buildDate = buildDate;
    }
  
    /**
     * @return the software running on the server, usually {@code LanguageTool}
     */
    public String getSoftware() {
      return software;
    }
  
    /**
     * @return the version running on the server, might be something like {@code 3.4-SNAPSHOT} or {@code 3.4}
     */
    public String getVersion() {
      return version;
    }
  
    /**
     * @return the build date of the version or null (in case this isn't a real build but runs in an IDE etc.)
     */
    public Optional<String> getBuildDate() {
      return Optional.ofNullable(buildDate);
    }
  
    @Override
    public String toString() {
      return software + "/" + version + "/" + buildDate;
    }
  
  }
  