From 4de8efe1ef0810af492c161bfc1d3200958d75d8 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton@traccar.org>
Date: Sun, 18 Sep 2022 10:01:28 -0700
Subject: Refactor M-5000/10000 decoding

---
 src/main/java/org/traccar/helper/NMEA.java | 126 -----------------------------
 1 file changed, 126 deletions(-)
 delete mode 100644 src/main/java/org/traccar/helper/NMEA.java

(limited to 'src/main/java/org/traccar/helper')

diff --git a/src/main/java/org/traccar/helper/NMEA.java b/src/main/java/org/traccar/helper/NMEA.java
deleted file mode 100644
index cae47a8f6..000000000
--- a/src/main/java/org/traccar/helper/NMEA.java
+++ /dev/null
@@ -1,126 +0,0 @@
-package org.traccar.helper;
-
-import java.util.HashMap;
-import java.util.Map;
-
-
-public class NMEA {
-
-    // fucking java interfaces
-    interface SentenceParser {
-        public boolean parse(String[] tokens, GPSPosition position);
-    }
-
-    // utils
-    static float Latitude2Decimal(String lat, String NS) {
-        float med = Float.parseFloat(lat.substring(2)) / 60.0f;
-        med += Float.parseFloat(lat.substring(0, 2));
-        if (NS.startsWith("S")) {
-            med = -med;
-        }
-        return med;
-    }
-
-    static float Longitude2Decimal(String lon, String WE) {
-        float med = Float.parseFloat(lon.substring(3)) / 60.0f;
-        med += Float.parseFloat(lon.substring(0, 3));
-        if (WE.startsWith("W")) {
-            med = -med;
-        }
-        return med;
-    }
-
-    // parsers
-    class GPGGA implements SentenceParser {
-        public boolean parse(String[] tokens, GPSPosition position) {
-            position.time = Float.parseFloat(tokens[1]);
-            position.lat = Latitude2Decimal(tokens[2], tokens[3]);
-            position.lon = Longitude2Decimal(tokens[4], tokens[5]);
-            position.quality = Integer.parseInt(tokens[6]);
-            position.altitude = Float.parseFloat(tokens[9]);
-            return true;
-        }
-    }
-
-    class GPGGL implements SentenceParser {
-        public boolean parse(String[] tokens, GPSPosition position) {
-            position.lat = Latitude2Decimal(tokens[1], tokens[2]);
-            position.lon = Longitude2Decimal(tokens[3], tokens[4]);
-            position.time = Float.parseFloat(tokens[5]);
-            return true;
-        }
-    }
-
-    class GPRMC implements SentenceParser {
-        public boolean parse(String[] tokens, GPSPosition position) {
-            position.time = Float.parseFloat(tokens[1]);
-            position.lat = Latitude2Decimal(tokens[3], tokens[4]);
-            position.lon = Longitude2Decimal(tokens[5], tokens[6]);
-            position.velocity = Float.parseFloat(tokens[7]);
-            position.dir = Float.parseFloat(tokens[8]);
-            return true;
-        }
-    }
-
-    class GPVTG implements SentenceParser {
-        public boolean parse(String[] tokens, GPSPosition position) {
-            position.dir = Float.parseFloat(tokens[3]);
-            return true;
-        }
-    }
-
-    class GPRMZ implements SentenceParser {
-        public boolean parse(String[] tokens, GPSPosition position) {
-            position.altitude = Float.parseFloat(tokens[1]);
-            return true;
-        }
-    }
-
-    public class GPSPosition {
-        public float time = 0.0f;
-        public float lat = 0.0f;
-        public float lon = 0.0f;
-        public boolean fixed = false;
-        public int quality = 0;
-        public float dir = 0.0f;
-        public float altitude = 0.0f;
-        public float velocity = 0.0f;
-
-        public void updatefix() {
-            fixed = quality > 0;
-        }
-
-        public String toString() {
-            return String.format("POSITION: lat: %f, lon: %f, time: %f, Q: %d, dir: %f, alt: %f, vel: %f", lat, lon, time, quality, dir, altitude, velocity);
-        }
-    }
-
-    GPSPosition position = new GPSPosition();
-
-    private static final Map<String, SentenceParser> sentenceParsers = new HashMap<String, SentenceParser>();
-
-    public NMEA() {
-        sentenceParsers.put("GPGGA", new GPGGA());
-        sentenceParsers.put("GPGGL", new GPGGL());
-        sentenceParsers.put("GPRMC", new GPRMC());
-        sentenceParsers.put("GPRMZ", new GPRMZ());
-        //only really good GPS devices have this sentence but ...
-        sentenceParsers.put("GPVTG", new GPVTG());
-    }
-
-    public GPSPosition parse(String line) {
-
-        if (line.startsWith("$")) {
-            String nmea = line.substring(1);
-            String[] tokens = nmea.split(",");
-            String type = tokens[0];
-            //TODO check crc
-            if (sentenceParsers.containsKey(type)) {
-                sentenceParsers.get(type).parse(tokens, position);
-            }
-            position.updatefix();
-        }
-
-        return position;
-    }
-}
-- 
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