Created new Suntech decoder (fix #345)

2 files changed, 117 insertions, 10 deletions

diff --git a/src/org/traccar/ServerManager.java b/src/org/traccar/ServerManager.java
index b5e061aee..4432ad07c 100644
--- a/src/org/traccar/ServerManager.java
+++ b/src/org/traccar/ServerManager.java
@@ -19,16 +19,9 @@ import java.io.FileInputStream;
 import java.io.IOException;
 import java.nio.ByteOrder;
 import java.sql.SQLException;
-import java.text.DateFormat;
-import java.text.FieldPosition;
-import java.text.SimpleDateFormat;
-import java.util.Date;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Properties;
-import java.util.logging.FileHandler;
-import java.util.logging.Formatter;
-import java.util.logging.LogRecord;
 import org.jboss.netty.bootstrap.ConnectionlessBootstrap;
 import org.jboss.netty.bootstrap.ServerBootstrap;
 import org.jboss.netty.buffer.ChannelBuffers;
@@ -113,7 +106,7 @@ public class ServerManager {
         initEnforaServer("enfora");
         initMeiligaoServer("meiligao");
         initMaxonServer("maxon");
-        initST210Server("st210");
+        initSuntechServer("suntech");
         initProgressServer("progress");
         initH02Server("h02");
         initJt600Server("jt600");
@@ -359,7 +352,7 @@ public class ServerManager {
         }
     }
 
-    private void initST210Server(String protocol) throws SQLException {
+    private void initSuntechServer(String protocol) throws SQLException {
         if (isProtocolEnabled(properties, protocol)) {
             serverList.add(new TrackerServer(this, new ServerBootstrap(), protocol) {
                 @Override
@@ -368,7 +361,7 @@ public class ServerManager {
                     pipeline.addLast("frameDecoder",
                             new DelimiterBasedFrameDecoder(1024, ChannelBuffers.wrappedBuffer(delimiter)));
                     pipeline.addLast("stringDecoder", new StringDecoder());
-                    pipeline.addLast("objectDecoder", new St210ProtocolDecoder(ServerManager.this));
+                    pipeline.addLast("objectDecoder", new SuntechProtocolDecoder(ServerManager.this));
                 }
             });
         }
diff --git a/src/org/traccar/protocol/SuntechProtocolDecoder.java b/src/org/traccar/protocol/SuntechProtocolDecoder.java
new file mode 100644
index 000000000..bd7b882cd
--- /dev/null
+++ b/src/org/traccar/protocol/SuntechProtocolDecoder.java
@@ -0,0 +1,114 @@
+/*
+ * Copyright 2013 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.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.traccar.protocol;
+
+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.jboss.netty.channel.ChannelHandlerContext;
+import org.traccar.BaseProtocolDecoder;
+import org.traccar.ServerManager;
+import org.traccar.helper.Log;
+import org.traccar.model.ExtendedInfoFormatter;
+import org.traccar.model.Position;
+
+public class SuntechProtocolDecoder extends BaseProtocolDecoder {
+
+    public SuntechProtocolDecoder(ServerManager serverManager) {
+        super(serverManager);
+    }
+
+    static private Pattern pattern = Pattern.compile(
+            "S.\\d{3}(?:\\w{3})?;" +       // Header
+            "(?:[^;]+;)?" +
+            "(\\d{6});" +                  // Device ID
+            "(\\d+);" +                    // Version
+            "(\\d{4})(\\d{2})(\\d{2});" +  // Date (YYYYMMDD)
+            "(\\d{2}):(\\d{2}):(\\d{2});" + // Time (HH:MM:SS)
+            "(?:(\\p{XDigit}+);)?" +       // Cell
+            "([-\\+]\\d{2}.\\d+);" +       // Latitude
+            "([-\\+]\\d{3}.\\d+);" +       // Longitude
+            "(\\d{3}.\\d{3});" +           // Speed
+            "(\\d{3}.\\d{2});" +           // Course
+            ".*");                         // Full format
+
+    @Override
+    protected Object decode(
+            ChannelHandlerContext ctx, Channel channel, Object msg)
+            throws Exception {
+
+        String sentence = (String) msg;
+
+        // Parse message
+        Matcher parser = pattern.matcher(sentence);
+        if (!parser.matches()) {
+            return null;
+        }
+
+        // Create new position
+        Position position = new Position();
+        ExtendedInfoFormatter extendedInfo = new ExtendedInfoFormatter("suntech");
+        int index = 1;
+
+        // Identifier
+        String imei = parser.group(index++);
+        try {
+            position.setDeviceId(getDataManager().getDeviceByImei(imei).getId());
+        } catch(Exception error) {
+            Log.warning("Unknown device - " + imei);
+            return null;
+        }
+        
+        // Version
+        extendedInfo.set("version", parser.group(index++));
+
+        // Date and Time
+        Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
+        time.clear();
+        time.set(Calendar.YEAR, Integer.valueOf(parser.group(index++)));
+        time.set(Calendar.MONTH, Integer.valueOf(parser.group(index++)) - 1);
+        time.set(Calendar.DAY_OF_MONTH, Integer.valueOf(parser.group(index++)));
+        time.set(Calendar.HOUR, Integer.valueOf(parser.group(index++)));
+        time.set(Calendar.MINUTE, Integer.valueOf(parser.group(index++)));
+        time.set(Calendar.SECOND, Integer.valueOf(parser.group(index++)));
+        position.setTime(time.getTime());
+        
+        // Cell
+        extendedInfo.set("cell", parser.group(index++));
+
+        // Coordinates
+        position.setLatitude(Double.valueOf(parser.group(index++)));
+        position.setLongitude(Double.valueOf(parser.group(index++)));
+        position.setValid(true); // wrong?
+
+        // Speed
+        position.setSpeed(Double.valueOf(parser.group(index++)) * 0.539957);
+
+        // Course
+        position.setCourse(Double.valueOf(parser.group(index++)));
+
+        // Altitude
+        position.setAltitude(0.0);
+
+        // Extended info
+        position.setExtendedInfo(extendedInfo.toString());
+
+        return position;
+    }
+
+}