2 files changed, 246 insertions, 0 deletions

diff --git a/src/net/sourceforge/opentracking/protocol/gl200/Gl200ProtocolDecoder.java b/src/net/sourceforge/opentracking/protocol/gl200/Gl200ProtocolDecoder.java
new file mode 100644
index 000000000..0b7166ab2
--- /dev/null
+++ b/src/net/sourceforge/opentracking/protocol/gl200/Gl200ProtocolDecoder.java
@@ -0,0 +1,176 @@
+/*
+ * Copyright 2010 Anton Tananaev (anton@tananaev.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 net.sourceforge.opentracking.protocol.gl200;
+
+import java.util.Calendar;
+import java.util.GregorianCalendar;
+import java.util.TimeZone;
+import java.util.Timer;
+import java.util.TimerTask;
+import java.util.regex.Pattern;
+import java.util.regex.Matcher;
+import org.jboss.netty.channel.Channel;
+import org.jboss.netty.channel.ChannelHandlerContext;
+import org.jboss.netty.handler.codec.oneone.OneToOneDecoder;
+import net.sourceforge.opentracking.Position;
+import net.sourceforge.opentracking.DataManager;
+import org.jboss.netty.channel.ChannelEvent;
+import org.jboss.netty.channel.ChannelState;
+import org.jboss.netty.channel.ChannelStateEvent;
+
+/**
+ * GL200 tracker protocol decoder
+ */
+public class Gl200ProtocolDecoder extends OneToOneDecoder {
+
+    /**
+     * Data manager
+     */
+    private DataManager dataManager;
+
+    /**
+     * Reset connection delay
+     */
+    private Integer resetDelay;
+
+    /**
+     * Init device table
+     */
+    public Gl200ProtocolDecoder(DataManager dataManager, Integer resetDelay) {
+        this.dataManager = dataManager;
+        this.resetDelay = resetDelay;
+    }
+
+    /**
+     * Regular expressions pattern
+     */
+    static private Pattern pattern = Pattern.compile(
+            "imei:" +
+            "([\\d]+)," +                       // IMEI
+            "[^,]+," +
+            "(\\d{2})(\\d{2})(\\d{2})[\\d]+," + // Date
+            "[+]?[\\d]*," +
+            "[FL]," +                           // F - full / L - low
+            "([\\d]{2})([\\d]{2})([\\d]{2}).([\\d]{3})," + // Time (HHMMSS.SSS)
+            "([AV])," +                         // Validity
+            "([\\d]{2})([\\d]{2}.[\\d]{4})," +  // Latitude (DDMM.MMMM)
+            "([NS])," +
+            "([\\d]{3})([\\d]{2}.[\\d]{4})," +  // Longitude (DDDMM.MMMM)
+            "([EW])," +
+            "([\\d]+.[\\d]{2}),");              // Speed
+
+    /**
+     * Decode message
+     */
+    protected Object decode(
+            ChannelHandlerContext ctx, Channel channel, Object msg)
+            throws Exception {
+
+        String sentence = (String) msg;
+
+        // Send response #1
+        if (sentence.contains("##")) {
+            channel.write("LOAD");
+        }
+        
+        // Send response #2
+        if (sentence.length() == 15 && Character.isDigit(sentence.charAt(0))) {
+            channel.write("ON");
+        }
+
+        // Parse message
+        Matcher parser = pattern.matcher(sentence);
+        if (!parser.matches()) {
+            return null;
+        }
+
+        // Create new position
+        Position position = new Position();
+
+        Integer index = 1;
+
+        // Get device by IMEI
+        String imei = parser.group(index++);
+        position.setDeviceId(dataManager.getDeviceByImei(imei).getId());
+        
+        // Date
+        Calendar time = new GregorianCalendar(TimeZone.getTimeZone("UTC"));
+        time.clear();
+        time.set(Calendar.YEAR, 2000 + 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
+        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++)));
+        time.set(Calendar.MILLISECOND, Integer.valueOf(parser.group(index++)));
+        position.setTime(time.getTime());
+
+        // Validity
+        position.setValid(parser.group(index++).compareTo("A") == 0 ? true : false);
+
+        // 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 lonlitude = Double.valueOf(parser.group(index++));
+        lonlitude += Double.valueOf(parser.group(index++)) / 60;
+        if (parser.group(index++).compareTo("W") == 0) lonlitude = -lonlitude;
+        position.setLongitude(lonlitude);
+
+        // Speed
+        position.setSpeed(Double.valueOf(parser.group(index++)));
+        position.setCourse(0.0);
+
+        return position;
+    }
+
+    /**
+     * Disconnect channel
+     */
+    class DisconnectTask extends TimerTask {
+        private Channel channel;
+        
+        public DisconnectTask(Channel channel) {
+            this.channel = channel;
+        }
+        
+        public void run() {
+            channel.disconnect();
+        } 
+    }
+
+    /**
+     * Handle connect event
+     */
+    @Override
+    public void handleUpstream(ChannelHandlerContext ctx, ChannelEvent evt) throws Exception {
+        super.handleUpstream(ctx, evt);
+
+        if (evt instanceof ChannelStateEvent) {
+            ChannelStateEvent event = (ChannelStateEvent) evt;
+
+            if (event.getState() == ChannelState.CONNECTED && event.getValue() != null && resetDelay != 0) {
+                new Timer().schedule(new DisconnectTask(evt.getChannel()), resetDelay);
+            }
+        }
+    }
+
+}
diff --git a/test/net/sourceforge/opentracking/protocol/gl200/Gl200ProtocolDecoderTest.java b/test/net/sourceforge/opentracking/protocol/gl200/Gl200ProtocolDecoderTest.java
new file mode 100644
index 000000000..9b6508523
--- /dev/null
+++ b/test/net/sourceforge/opentracking/protocol/gl200/Gl200ProtocolDecoderTest.java
@@ -0,0 +1,70 @@
+package net.sourceforge.opentracking.protocol.gl200;
+
+import java.util.Calendar;
+import java.util.TimeZone;
+import java.util.GregorianCalendar;
+import java.util.List;
+import org.junit.Test;
+import net.sourceforge.opentracking.Device;
+import net.sourceforge.opentracking.Position;
+import net.sourceforge.opentracking.DataManager;
+import static org.junit.Assert.*;
+
+public class Gl200ProtocolDecoderTest {
+
+    private class TestDataManager implements DataManager {
+        public List getDevices() {
+            return null;
+        }
+
+        public Device getDeviceByImei(String imei) {
+            Device device = new Device();
+            device.setId(new Long(1));
+            device.setImei("10000000000000");
+            return device;
+        }
+
+        public void setPosition(Position position) {
+        }
+    }
+
+    @Test
+    public void testDecode() throws Exception {
+
+        /*Calendar time = new GregorianCalendar(TimeZone.getTimeZone("UTC"));
+        time.set(Calendar.HOUR, 0);
+        time.set(Calendar.MINUTE, 1);
+        time.set(Calendar.SECOND, 2);
+        time.set(Calendar.MILLISECOND, 3);
+        String x = time.getTime().toString();
+
+        String testMsg1 = "##,imei:10000000000000,A";
+        // NEW MESSAGE: imei:359587017470280,tracker,0000000000,03184511405,L,;
+
+        String testMsg2 = //"imei:10000000000000,help me,1004171910,,F,010203.000,A,0102.0003,N,00102.0003,E,1.02,";
+                //"imei:353451040164707,tracker,1105182344,+36304665439,F,214418.000,A,4804.2222,N,01916.7593,E,0.37,";
+                "imei:353451042861763,tracker,1106132241,,F,144114.000,A,2301.9052,S,04909.3676,W,0.13,";
+
+        Gps103ProtocolDecoder decoder = new Gps103ProtocolDecoder(new TestDataManager(), 0);
+        //assertNull(decoder.decode(null, null, testMsg1));
+        Position position = (Position) decoder.decode(null, null, testMsg2);
+
+        //Date time = new GregorianCalendar(2003, 1, 1, 1, 2, 3).getTime();
+        //assertEquals(time, position.getTime());
+
+        assertEquals(true, position.getValid());
+
+        Double latitude = 1.0 + 2.0003 / 60.0;
+        assertEquals(latitude, position.getLatitude());
+
+        Double longitude = 1.0 + 2.0003 / 60.0;
+        assertEquals(longitude, position.getLongitude());
+
+        Double speed = 1.02;
+        assertEquals(speed, position.getSpeed());
+
+        Long deviceId = new Long(1);
+        assertEquals(deviceId, position.getDeviceId());*/
+    }
+
+}