Refactor MiniFinder protocol decoder

1 files changed, 38 insertions, 53 deletions

diff --git a/src/org/traccar/protocol/MiniFinderProtocolDecoder.java b/src/org/traccar/protocol/MiniFinderProtocolDecoder.java
index 0bb9aee60..9f4febccb 100644
--- a/src/org/traccar/protocol/MiniFinderProtocolDecoder.java
+++ b/src/org/traccar/protocol/MiniFinderProtocolDecoder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 Anton Tananaev (anton.tananaev@gmail.com)
+ * Copyright 2014 - 2015 Anton Tananaev (anton.tananaev@gmail.com)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -16,12 +16,13 @@
 package org.traccar.protocol;
 
 import java.net.SocketAddress;
-import java.util.Calendar;
-import java.util.TimeZone;
-import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 import org.jboss.netty.channel.Channel;
 import org.traccar.BaseProtocolDecoder;
+import org.traccar.helper.BitUtil;
+import org.traccar.helper.DateBuilder;
+import org.traccar.helper.Parser;
+import org.traccar.helper.PatternBuilder;
 import org.traccar.model.Event;
 import org.traccar.model.Position;
 
@@ -31,80 +32,64 @@ public class MiniFinderProtocolDecoder extends BaseProtocolDecoder {
         super(protocol);
     }
 
-    private static final Pattern PATTERN = Pattern.compile(
-            "!D," +
-            "(\\d+)/(\\d+)/(\\d+)," +      // Date
-            "(\\d+):(\\d+):(\\d+)," +      // Time
-            "(-?\\d+\\.\\d+)," +           // Latitude
-            "(-?\\d+\\.\\d+)," +           // Longitude
-            "(\\d+\\.?\\d*)," +            // Speed
-            "(\\d+\\.?\\d*)," +            // Course
-            "(\\p{XDigit}+)," +            // Flags
-            "(-?\\d+\\.\\d+)," +           // Altitude
-            "(\\d+)," +                    // Battery
-            "(\\d+)," +                    // Satellites in use
-            "(\\d+)," +                    // Satellites in view
-            "0");
+    private static final Pattern PATTERN = new PatternBuilder()
+            .text("!D,")
+            .number("(d+)/(d+)/(d+),")           // date
+            .number("(d+):(d+):(d+),")           // time
+            .number("(-?d+.d+),")                // latitude
+            .number("(-?d+.d+),")                // longitude
+            .number("(d+.?d*),")                 // speed
+            .number("(d+.?d*),")                 // course
+            .number("(x+),")                     // flags
+            .number("(-?d+.d+),")                // altitude
+            .number("(d+),")                     // battery
+            .number("(d+),")                     // satellites in use
+            .number("(d+),")                     // satellites in view
+            .text("0")
+            .compile();
 
     @Override
     protected Object decode(
-            Channel channel, SocketAddress remoteAddress, Object msg)
-            throws Exception {
+            Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
 
         String sentence = (String) msg;
 
         if (sentence.startsWith("!1")) {
 
-            // Identification
             identify(sentence.substring(3, sentence.length()), channel);
 
         } else if (sentence.startsWith("!D") && hasDeviceId()) {
 
-            // Location
-            Matcher parser = PATTERN.matcher(sentence);
+            Parser parser = new Parser(PATTERN, sentence);
             if (!parser.matches()) {
                 return null;
             }
 
-            // Create new position
             Position position = new Position();
             position.setProtocol(getProtocolName());
             position.setDeviceId(getDeviceId());
 
-            Integer index = 1;
-
-            // Time
-            Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
-            time.clear();
-            time.set(Calendar.DAY_OF_MONTH, Integer.parseInt(parser.group(index++)));
-            time.set(Calendar.MONTH, Integer.parseInt(parser.group(index++)) - 1);
-            time.set(Calendar.YEAR, 2000 + Integer.parseInt(parser.group(index++)));
-            time.set(Calendar.HOUR_OF_DAY, Integer.parseInt(parser.group(index++)));
-            time.set(Calendar.MINUTE, Integer.parseInt(parser.group(index++)));
-            time.set(Calendar.SECOND, Integer.parseInt(parser.group(index++)));
-            position.setTime(time.getTime());
-
-            // Location
-            position.setLatitude(Double.parseDouble(parser.group(index++)));
-            position.setLongitude(Double.parseDouble(parser.group(index++)));
-            position.setSpeed(Double.parseDouble(parser.group(index++)));
-            position.setCourse(Double.parseDouble(parser.group(index++)));
-
-            // Flags
-            String flags = parser.group(index++);
-            position.set(Event.KEY_FLAGS, flags);
-            position.setValid((Integer.parseInt(flags, 16) & 0x01) != 0);
+            DateBuilder dateBuilder = new DateBuilder()
+                    .setDateReverse(parser.nextInt(), parser.nextInt(), parser.nextInt())
+                    .setTime(parser.nextInt(), parser.nextInt(), parser.nextInt());
+            position.setTime(dateBuilder.getDate());
+
+            position.setLatitude(parser.nextDouble());
+            position.setLongitude(parser.nextDouble());
+            position.setSpeed(parser.nextDouble());
+            position.setCourse(parser.nextDouble());
 
-            // Altitude
-            position.setAltitude(Double.parseDouble(parser.group(index++)));
+            int flags = parser.nextInt(16);
+            position.set(Event.KEY_FLAGS, flags);
+            position.setValid(BitUtil.check(flags, 0));
 
-            // Battery
-            position.set(Event.KEY_BATTERY, parser.group(index++));
+            position.setAltitude(parser.nextDouble());
 
-            // Satellites
-            position.set(Event.KEY_SATELLITES, parser.group(index++));
+            position.set(Event.KEY_BATTERY, parser.next());
+            position.set(Event.KEY_SATELLITES, parser.next());
 
             return position;
+
         }
 
         return null;