Android Open Source - sonarlog N M E A Parser

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License

The source code is released under:

GNU General Public License

Java Source Code

package org.sonarlog.ioio;
//w  ww.j  a  va  2s.  co  m
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;

import org.sonarlog.SonarLoggerActivity;

import android.util.Log;

public class NMEAParser {
  String SENTENCE = "DPT";
  
  public static final String TAG = "NMEAParser";

  protected StringBuilder __buffer = null;
  
  public Reader reader = null;
  
  public NMEAParser(InputStream instream)
    {
            __buffer = new StringBuilder();
            reader = new InputStreamReader(instream);
    }
  
  public void handleCharacters()
            throws IOException {
        int r;
        if (reader.ready()) {
          while ((r = reader.read()) != -1) {
            char chr = (char) r;
            __buffer.append( chr );
            if ( chr == '\n' )
            {
              if (parseSentence(__buffer.toString() )) {
                __buffer = new StringBuilder();
                break;
              } else {
                __buffer = new StringBuilder();
              }  
            }
          }
        }
        
    }
  
  protected boolean parseSentence( String sentence ) 
  {
    //Log.i(TAG, sentence);
    String[] words = sentence.split( "," );
    if (words.length >= 3) {
      try {
        String key = words[0].substring(3);
        if (key.equals("DPT")) {
          SonarLoggerActivity.tot_depths += 1;
          synchronized(SonarReader.depths) {
            SonarReader.depths.add(
                new SonarReading(
                    Double.valueOf(words[1]),
                    System.currentTimeMillis())
                );
          }
          return true;
        }
        else
          return false;
      } 
      catch  (IndexOutOfBoundsException e) {
        Log.e(TAG, e.getMessage());
        return false;
      }
    }
    else
      return false;
  }
}

Java Source Code List

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