/*
    *  Copyright 2010 Felix Roethenbacher
    *
    *  Licensed 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 ch.syabru.nagios.broker.impl;
  
  import java.io.IOException;
  import java.io.Writer;
  import java.util.Date;
  
  import org.apache.commons.lang.Validate;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import ch.syabru.nagios.broker.ExternalCommand;
  
  /**
   * Schedule service check external command.
   *
   * @author Felix Roethenbacher
   *
   */
  public class ScheduleServiceCheckCommand implements ExternalCommand {
      private static final Logger logger = LoggerFactory.getLogger(
              ScheduleServiceCheckCommand.class);
  
      private static final String COMMAND = "SCHEDULE_SVC_CHECK";
  
      private String hostName;
      private String serviceDescription;
      private Date checkTime;
  
      /**
       * C'tor.
       * @param hostName Host name.
       * @param serviceDescription Service description.
       * @param checkTime Check time.
       */
      public ScheduleServiceCheckCommand(String hostName,
              String serviceDescription, Date checkTime)
      {
          Validate.notNull(hostName, "hostName must not be null");
          Validate.notNull(serviceDescription,
                  "serviceDescription must not be null");
          Validate.notNull(checkTime, "checkTime must not be null");
          this.hostName = hostName;
          this.serviceDescription = serviceDescription;
          this.checkTime = checkTime;
      }
  
      @Override
      public void writeCommand(Writer writer) throws IOException
      {
          StringBuilder sb = new StringBuilder();
          sb.append("[");
          sb.append(Long.toString(System.currentTimeMillis() / 1000));
          sb.append("] ");
          sb.append(COMMAND);
          sb.append(";");
          sb.append(hostName);
          sb.append(";");
          sb.append(serviceDescription);
          sb.append(";");
          sb.append(Long.toString(checkTime.getTime() / 1000));
          sb.append("\n");
          writer.write(sb.toString());
          writer.flush();
          logger.debug(sb.toString());
      }
  
      public String getHostName() {
          return hostName;
      }
  
      public String getServiceDescription() {
          return serviceDescription;
      }
  
      public Date getCheckTime() {
          return checkTime;
      }
  }