git.gag.com Git - fw/altos/blob - altosui/AltosDataPointReader.java

   1
   2 // Copyright (c) 2010 Anthony Towns
   3 // GPL v2 or later
   4
   5 package altosui;
   6
   7 import java.io.IOException;
   8 import java.text.ParseException;
   9 import java.lang.UnsupportedOperationException;
  10 import java.util.NoSuchElementException;
  11 import java.util.Iterator;
  12
  13 class AltosDataPointReader implements Iterable<AltosDataPoint> {
  14     Iterator<AltosRecord> iter;
  15     AltosState state;
  16     AltosRecord record;
  17
  18     final static int MISSING = AltosRecord.MISSING;
  19
  20     public AltosDataPointReader(Iterable<AltosRecord> reader) {
  21         this.iter = reader.iterator();
  22         this.state = null;
  23     }
  24
  25     private void read_next_record()
  26         throws NoSuchElementException
  27     {
  28         record = iter.next();
  29         state = new AltosState(record, state);
  30     }
  31
  32     private AltosDataPoint current_dp() {
  33         assert this.record != null;
  34
  35         return new AltosDataPoint() {
  36             public int version() { return record.version; }
  37             public int serial() { return record.serial; }
  38             public int flight() { return record.flight; }
  39             public String callsign() { return record.callsign; }
  40             public double time() { return record.time; }
  41             public double rssi() { return record.rssi; }
  42
  43             public int state() { return record.state; }
  44             public String state_name() { return record.state(); }
  45
  46             public double acceleration() { return record.acceleration(); }
  47             public double pressure() { return record.raw_pressure(); }
  48             public double altitude() { return record.raw_altitude(); }
  49             public double height() { return record.raw_height(); }
  50             public double accel_speed() { return record.accel_speed(); }
  51             public double baro_speed() { return state.baro_speed; }
  52             public double temperature() { return record.temperature(); }
  53             public double battery_voltage() { return record.battery_voltage(); }
  54             public double drogue_voltage() { return record.drogue_voltage(); }
  55             public double main_voltage() { return record.main_voltage(); }
  56         };
  57     }
  58
  59     public Iterator<AltosDataPoint> iterator() {
  60         return new Iterator<AltosDataPoint>() {
  61             public void remove() {
  62                 throw new UnsupportedOperationException();
  63             }
  64             public boolean hasNext() {
  65                 return iter.hasNext();
  66             }
  67             public AltosDataPoint next() {
  68                 read_next_record();
  69                 return current_dp();
  70             }
  71         };
  72     }
  73 }
  74