code: /*******************************************************************************
   * Copyright 2018 572682
   * 
   * 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 us.dot.its.jpo.ode.importer.parser;
  
  import java.io.BufferedInputStream;
  import java.io.IOException;
  import java.io.OutputStream;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import us.dot.its.jpo.ode.model.RxSource;
  
  public class RxMsgFileParser extends LogFileParser {
  
     private static final Logger logger = LoggerFactory.getLogger(RxMsgFileParser.class);
  
     private static final int RX_SOURCE_LENGTH = 1;
     
     private RxSource rxSource;
  
     public RxMsgFileParser() {
        super();
        setLocationParser(new LocationParser());
        setTimeParser(new TimeParser());
        setSecResCodeParser(new SecurityResultCodeParser());
        setPayloadParser(new PayloadParser());
     }
  
     @Override
     public ParserStatus parseFile(BufferedInputStream bis, String fileName) throws FileParserException {
  
        ParserStatus status;
        try {
           status = super.parseFile(bis, fileName);
           if (status != ParserStatus.COMPLETE)
              return status;
  
           // parse rxSource
           if (getStep() == 1) {
              status = parseStep(bis, RX_SOURCE_LENGTH);
              if (status != ParserStatus.COMPLETE)
                 return status;
              try {
                setRxSource(RxSource.values()[readBuffer[0]]);
              } catch (Exception e) {
                setRxSource(RxSource.UNKNOWN);
              }
           }
  
           if (getStep() == 2) {
              status = nextStep(bis, fileName, locationParser);
              if (status != ParserStatus.COMPLETE)
                 return status;
           }
           
           if (getStep() == 3) {
              status = nextStep(bis, fileName, timeParser);
              if (status != ParserStatus.COMPLETE)
                 return status;
           }
  
           if (getStep() == 4) {
              status = nextStep(bis, fileName, secResCodeParser);
              if (status != ParserStatus.COMPLETE)
                 return status;
           }
  
           if (getStep() == 5) {
              status = nextStep(bis, fileName, payloadParser);
              if (status != ParserStatus.COMPLETE)
                 return status;
           }
  
           resetStep();
           status = ParserStatus.COMPLETE;
  
        } catch (Exception e) {
           throw new FileParserException(String.format("Error parsing %s on step %d", fileName, getStep()), e);
        }
  
        return status;
  
     }
  
     public RxSource getRxSource() {
        return rxSource;
     }
  
     public void setRxSource(RxSource rxSource) {
        this.rxSource = rxSource;
     }
  
     public void setRxSource(int rxSourceOrdinal) {
        try {
           setRxSource(RxSource.values()[rxSourceOrdinal]);
        } catch (Exception e) {
           logger.error("Invalid RxSource: {}. Valid values are {}: ", 
              rxSourceOrdinal, RxSource.values());
           setRxSource(RxSource.UNKNOWN);
        }
     }
  
    @Override
    public void writeTo(OutputStream os) throws IOException {
      os.write((byte)rxSource.ordinal());
      super.writeTo(os);
    }
  }
  