From 6f7493e600316fd672162aa3f2b22b41c2642ebb Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Mon, 8 Apr 2013 23:47:53 +1200
Subject: Add trimble taip protocol (fix #152)

---
 src/org/traccar/protocol/SyrusProtocolDecoder.java | 41 ++++++++++++++++------
 .../traccar/protocol/SyrusProtocolDecoderTest.java |  3 ++
 2 files changed, 34 insertions(+), 10 deletions(-)

diff --git a/src/org/traccar/protocol/SyrusProtocolDecoder.java b/src/org/traccar/protocol/SyrusProtocolDecoder.java
index 10aec4f26..7e809212a 100644
--- a/src/org/traccar/protocol/SyrusProtocolDecoder.java
+++ b/src/org/traccar/protocol/SyrusProtocolDecoder.java
@@ -36,15 +36,14 @@ public class SyrusProtocolDecoder extends BaseProtocolDecoder {
     /**
      * Regular expressions pattern
      */
-    //"REV691615354941+3570173+1397742703203212;ID=Test"
     static private Pattern pattern = Pattern.compile(
-            "REV" +                        // Type
-            "\\d{2}" +                     // Event index
+            "R[EP]V" +                     // Type
+            "(?:\\d{2}" +                  // Event index
             "(\\d{4})" +                   // Week
-            "(\\d)" +                      // Day
+            "(\\d))?" +                    // Day
             "(\\d{5})" +                   // Seconds
-            "([\\+\\-]\\d{2})(\\d{5})" +      // Latitude
-            "([\\+\\-]\\d{3})(\\d{5})" +      // Longitude
+            "([\\+\\-]\\d{2})(\\d{5})" +   // Latitude
+            "([\\+\\-]\\d{3})(\\d{5})" +   // Longitude
             "(\\d{3})" +                   // Speed
             "(\\d{3})" +                   // Course
             "\\d" +                        // Fix mode
@@ -64,6 +63,24 @@ public class SyrusProtocolDecoder extends BaseProtocolDecoder {
         return new Date(millis);
     }
     
+    private Date getTime(long seconds) {
+        Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
+        time.set(Calendar.HOUR, 0);
+        time.set(Calendar.MINUTE, 0);
+        time.set(Calendar.SECOND, 0);
+        time.set(Calendar.MILLISECOND, 0);
+        
+        long millis = time.getTimeInMillis() + seconds * 1000;
+        
+        long diff = new Date().getTime() - millis;
+        
+        if (diff > 12 * 60 * 60 * 1000) {
+            millis += 24 * 60 * 60 * 1000;
+        }
+
+        return new Date(millis);
+    }
+    
     @Override
     protected Object decode(
             ChannelHandlerContext ctx, Channel channel, Object msg)
@@ -114,12 +131,16 @@ public class SyrusProtocolDecoder extends BaseProtocolDecoder {
         position.setDeviceId(deviceId);
 
         Integer index = 1;
-
+        
         // Time
-        int week = Integer.valueOf(parser.group(index++));
-        int day = Integer.valueOf(parser.group(index++));
+        String week = parser.group(index++);
+        String day = parser.group(index++);
         int seconds = Integer.valueOf(parser.group(index++));
-        position.setTime(getTime(week, day, seconds));
+        if (week != null && day != null) {
+            position.setTime(getTime(Integer.valueOf(week), Integer.valueOf(day), seconds));
+        } else {
+            position.setTime(getTime(seconds));
+        }
 
         // Latitude
         String latitude = parser.group(index) + '.' + parser.group(index + 1);
diff --git a/test/org/traccar/protocol/SyrusProtocolDecoderTest.java b/test/org/traccar/protocol/SyrusProtocolDecoderTest.java
index d8a704dff..a7c542bf8 100644
--- a/test/org/traccar/protocol/SyrusProtocolDecoderTest.java
+++ b/test/org/traccar/protocol/SyrusProtocolDecoderTest.java
@@ -11,6 +11,9 @@ public class SyrusProtocolDecoderTest {
         SyrusProtocolDecoder decoder = new SyrusProtocolDecoder(null);
         decoder.setDataManager(new TestDataManager());
 
+        assertNotNull(decoder.decode(null, null,
+                ">RPV15714+3739438-1220384601512612;ID=1234;*7F"));
+
         assertNotNull(decoder.decode(null, null,
                 "\r\n>REV691615354941+3570173+1397742703203212;ID=Test"));
 
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