Implement STL060 protocol

2 files changed, 192 insertions, 0 deletions

diff --git a/src/org/traccar/protocol/Stl060FrameDecoder.java b/src/org/traccar/protocol/Stl060FrameDecoder.java
new file mode 100644
index 000000000..eb0894fb7
--- /dev/null
+++ b/src/org/traccar/protocol/Stl060FrameDecoder.java
@@ -0,0 +1,57 @@
+/*
+ * Copyright 2014 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 org.jboss.netty.buffer.ChannelBuffer;
+import org.jboss.netty.buffer.ChannelBuffers;
+import org.jboss.netty.channel.Channel;
+import org.jboss.netty.channel.ChannelHandlerContext;
+import org.jboss.netty.handler.codec.frame.DelimiterBasedFrameDecoder;
+import org.traccar.helper.ChannelBufferTools;
+
+public class Stl060FrameDecoder extends DelimiterBasedFrameDecoder {
+
+    private static final byte delimiter[] = { (byte) '#' };
+    
+    public Stl060FrameDecoder(int maxFrameLength) {
+        super(maxFrameLength, ChannelBuffers.wrappedBuffer(delimiter));
+    }
+    
+    @Override
+    protected Object decode(
+            ChannelHandlerContext ctx,
+            Channel channel,
+            ChannelBuffer buf) throws Exception {
+        
+        ChannelBuffer result = (ChannelBuffer) super.decode(ctx, channel, buf);
+        
+        if (result != null) {
+            
+            Integer beginIndex = ChannelBufferTools.find(
+                    result, 0, result.readableBytes(), "$");
+            if (beginIndex == null) {
+                return result;
+            } else {
+                result.skipBytes(beginIndex);
+                return result.readBytes(result.readableBytes());
+            }
+
+        }
+
+        return null;
+    }
+
+}
diff --git a/src/org/traccar/protocol/Stl060ProtocolDecoder.java b/src/org/traccar/protocol/Stl060ProtocolDecoder.java
new file mode 100644
index 000000000..29bc558da
--- /dev/null
+++ b/src/org/traccar/protocol/Stl060ProtocolDecoder.java
@@ -0,0 +1,135 @@
+/*
+ * Copyright 2014 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 Stl060ProtocolDecoder extends BaseProtocolDecoder {
+
+    public Stl060ProtocolDecoder(ServerManager serverManager) {
+        super(serverManager);
+    }
+
+    private static final Pattern pattern = Pattern.compile(
+            "\\$1," +
+            "(\\d+)," +                         // IMEI
+            "D001," +                           // Type
+            "[^,]*," +                          // Vehicle
+            "(\\d{2})/(\\d{2})/(\\d{2})," +     // Date
+            "(\\d{2}):(\\d{2}):(\\d{2})," +     // Time
+            "(\\d+)(\\d{2}\\.\\d+)" +           // Latitude
+            "([NS])," +
+            "(\\d+)(\\d{2}\\.\\d+)" +           // Longitude
+            "([EW])," +
+            "(\\d+)," +                         // Speed
+            "(\\d+)," +                         // Course
+            "(\\d+)," +                         // Milage
+            "(\\d+)," +                         // Ignition
+            "(\\d+)," +                         // DIP1
+            "(\\d+)," +                         // DIP2
+            "(\\d+)," +                         // Fuel
+            "([AV])," +                         // Validity
+            ".*");
+
+    @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("stl060");
+
+        Integer index = 1;
+
+        // Device identification
+        String imei = parser.group(index++);
+        try {
+            position.setDeviceId(getDataManager().getDeviceByImei(imei).getId());
+        } catch(Exception error) {
+            Log.warning("Unknown device - " + imei);
+            return null;
+        }
+        
+        // Date
+        Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
+        time.clear();
+        time.set(Calendar.DAY_OF_MONTH, Integer.valueOf(parser.group(index++)));
+        time.set(Calendar.MONTH, Integer.valueOf(parser.group(index++)) - 1);
+        time.set(Calendar.YEAR, 2000 + Integer.valueOf(parser.group(index++)));
+
+        // Time
+        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());
+
+        // Latitude
+        Double latitude = Double.valueOf(parser.group(index++));
+        latitude += Double.valueOf(parser.group(index++)) / 60;
+        if (parser.group(index++).compareTo("S") == 0) latitude = -latitude;
+        position.setLatitude(latitude);
+
+        // Longitude
+        Double longitude = Double.valueOf(parser.group(index++));
+        longitude += Double.valueOf(parser.group(index++)) / 60;
+        if (parser.group(index++).compareTo("W") == 0) longitude = -longitude;
+        position.setLongitude(longitude);
+        
+        // Altitude
+        position.setAltitude(0.0);
+
+        // Speed
+        position.setSpeed(Double.valueOf(parser.group(index++)));
+
+        // Course
+        position.setCourse(Double.valueOf(parser.group(index++)));
+
+        // Other
+        extendedInfo.set("milage", Integer.valueOf(parser.group(index++)));
+        extendedInfo.set("ignition", Integer.valueOf(parser.group(index++)));
+        extendedInfo.set("dip1", Integer.valueOf(parser.group(index++)));
+        extendedInfo.set("dip2", Integer.valueOf(parser.group(index++)));
+        extendedInfo.set("fuel", Integer.valueOf(parser.group(index++)));
+
+        // Validity
+        position.setValid(parser.group(index++).compareTo("A") == 0);
+
+        // Extended info
+        position.setExtendedInfo(extendedInfo.toString());
+
+        return position;
+    }
+
+}