Implement Kenji KJ-8501 protocol

1 files changed, 90 insertions, 0 deletions

diff --git a/src/org/traccar/protocol/KenjiProtocolDecoder.java b/src/org/traccar/protocol/KenjiProtocolDecoder.java
new file mode 100755
index 000000000..e1f8130fa
--- /dev/null
+++ b/src/org/traccar/protocol/KenjiProtocolDecoder.java
@@ -0,0 +1,90 @@
+/*
+ * Copyright 2016 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.helper.DateBuilder;
+import org.traccar.helper.Parser;
+import org.traccar.helper.PatternBuilder;
+import org.traccar.model.Event;
+import org.traccar.model.Position;
+
+public class KenjiProtocolDecoder extends BaseProtocolDecoder {
+
+    public KenjiProtocolDecoder(KenjiProtocol protocol) {
+        super(protocol);
+    }
+
+    private static final Pattern PATTERN = new PatternBuilder()
+            .text(">")
+            .number("C(d{6}),")                  // device id
+            .number("M(x{6}),")                  // alarm
+            .number("O(x{4}),")                  // output
+            .number("I(x{4}),")                  // input
+            .number("D(dd)(dd)(dd),")            // time
+            .expression("([AV]),")               // valid
+            .number("([NS])(dd)(dd.d+),")        // latitude
+            .number("([EW])(ddd)(dd.d+),")       // longitude
+            .number("T(d+.d+),")                 // speed
+            .number("H(d+.d+),")                 // course
+            .number("Y(dd)(dd)(dd),")            // date
+            .number("G(d+)")                     // satellites
+            .any()
+            .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());
+
+        if (!identify(parser.next(), channel, remoteAddress)) {
+            return null;
+        }
+        position.setDeviceId(getDeviceId());
+
+        position.set(Event.KEY_ALARM, parser.nextInt(16));
+        position.set(Event.KEY_OUTPUT, parser.nextInt(16));
+        position.set(Event.KEY_INPUT, parser.nextInt(16));
+
+        DateBuilder dateBuilder = new DateBuilder()
+                .setTime(parser.nextInt(), parser.nextInt(), parser.nextInt());
+
+        position.setValid(parser.next().equals("A"));
+
+        position.setLatitude(parser.nextCoordinate(Parser.CoordinateFormat.HEM_DEG_MIN));
+        position.setLongitude(parser.nextCoordinate(Parser.CoordinateFormat.HEM_DEG_MIN));
+        position.setSpeed(parser.nextDouble());
+        position.setCourse(parser.nextDouble());
+
+        dateBuilder.setDateReverse(parser.nextInt(), parser.nextInt(), parser.nextInt());
+        position.setTime(dateBuilder.getDate());
+
+        position.set(Event.KEY_SATELLITES, parser.nextInt());
+
+        return position;
+    }
+
+}