1 files changed, 117 insertions, 0 deletions
diff --git a/src/org/traccar/protocol/LdplProtocolDecoder.java b/src/org/traccar/protocol/LdplProtocolDecoder.java
new file mode 100644
index 000000000..52d7cd020
--- /dev/null
+++ b/src/org/traccar/protocol/LdplProtocolDecoder.java
@@ -0,0 +1,117 @@
+/*
+ * Copyright 2013 - 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.net.SocketAddress;
+import java.util.regex.Pattern;
+
+import org.jboss.netty.channel.Channel;
+import org.traccar.BaseProtocolDecoder;
+import org.traccar.Protocol;
+import org.traccar.helper.DateBuilder;
+import org.traccar.helper.Parser;
+import org.traccar.helper.Parser.CoordinateFormat;
+import org.traccar.helper.PatternBuilder;
+import org.traccar.model.Position;
+
+public class LdplProtocolDecoder extends BaseProtocolDecoder {
+
+    public LdplProtocolDecoder(Protocol protocol) {
+        super(protocol);
+    }
+
+    private static final Pattern PATTERN = new PatternBuilder()
+        .text("*ID")                       // start of frame
+        .number("(d+),")                     // command code
+        .number("(d+),")                     // imei
+        .number("(dd)(dd)(dd),")             // current date
+        .number("(dd)(dd)(dd),")             // current time
+        .expression("([A|V]),")              // gps fix
+        .number("(dd)(dd).?(d+),([NS]),")    // latitude
+        .number("(ddd)(dd).?(d+),([EW]),")   // longitude
+        .number("(d{1,3}.dd),")              // speed
+        .number("(d{1,3}.dd),")              // course
+        .number("(d{1,2}),")                 // sats
+        .number("(d{1,3}),")                 // gsm signal strength
+        .expression("([A|N|S]),")            // vehicle status
+        .expression("([0|1]),")              // main power status
+        .number("(d.dd),")                   // internal battery voltage
+        .expression("([0|1]),")              // sos alert
+        .expression("([0|1]),")              // body tamper
+        .expression("([0|1])([0|1]),")       // ac status + ign_status
+        .expression("([0|1|2]),")            // output1 status
+        .number("(d{1,3}),")                 // adc1
+        .number("(d{1,3}),")                 // adc2
+        .expression("([0-9A-Z]{3}),")        // software version
+        .expression("([L|R]),")              // message type
+        .expression("([0-9A-Z]{4})#")        // crc
+        .compile();
+
+    @Override
+    protected Object decode(Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+        Parser parser = new Parser(PATTERN, (String) msg);
+        if (!parser.matches()) {
+            return null;
+        }
+
+        Position position = new Position();
+        position.setProtocol(getProtocolName());
+        position.set(Position.KEY_TYPE, parser.nextInt());
+
+        if (!identify(parser.next(), channel, remoteAddress)) {
+            return null;
+        }
+        position.setDeviceId(getDeviceId());
+
+        DateBuilder dateBuilder = new DateBuilder()
+        .setDateReverse(parser.nextInt(), parser.nextInt(), parser.nextInt())
+        .setTime(parser.nextInt(), parser.nextInt(), parser.nextInt());
+        position.setTime(dateBuilder.getDate());
+
+        if ("A".equals(parser.next())) {
+            position.setValid(true);
+        } else {
+            position.setValid(false);
+        }
+        
+        position.setLatitude(parser.nextCoordinate(CoordinateFormat.DEG_MIN_MIN_HEM));
+        position.setLongitude(parser.nextCoordinate(CoordinateFormat.DEG_MIN_MIN_HEM));
+        
+        position.setSpeed(parser.nextDouble());
+        position.setCourse(parser.nextDouble());
+        
+        position.set(Position.KEY_SATELLITES, parser.nextInt());
+        position.set(Position.KEY_GSM, parser.nextInt());
+        parser.next(); // vehicle status
+        position.set(Position.KEY_POWER, parser.nextInt());
+        position.set(Position.KEY_BATTERY, parser.nextDouble());
+        position.set(Position.KEY_ALARM, parser.nextInt());
+        parser.nextInt(); // body tamper
+        parser.nextInt(); // acStatus
+        position.set(Position.KEY_IGNITION, parser.nextInt());
+        position.set(Position.KEY_OUTPUT, parser.nextInt());
+        position.set(Position.PREFIX_ADC + 1, parser.nextInt());
+        position.set(Position.PREFIX_ADC + 2, parser.nextInt());
+        position.set(Position.KEY_VERSION, parser.next());
+        position.set(Position.KEY_ARCHIVE, parser.next().equals("R"));
+        
+        parser.next(); // checksum
+
+        return position;
+    }
+
+}