aboutsummaryrefslogtreecommitdiff
path: root/src/org/traccar/protocol/TzoneProtocolDecoder.java
diff options
context:
space:
mode:
Diffstat (limited to 'src/org/traccar/protocol/TzoneProtocolDecoder.java')
-rw-r--r--src/org/traccar/protocol/TzoneProtocolDecoder.java96
1 files changed, 96 insertions, 0 deletions
diff --git a/src/org/traccar/protocol/TzoneProtocolDecoder.java b/src/org/traccar/protocol/TzoneProtocolDecoder.java
new file mode 100644
index 000000000..f67c9684f
--- /dev/null
+++ b/src/org/traccar/protocol/TzoneProtocolDecoder.java
@@ -0,0 +1,96 @@
+/*
+ * Copyright 2015 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.Calendar;
+import java.util.TimeZone;
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.jboss.netty.channel.Channel;
+import org.traccar.BaseProtocolDecoder;
+import org.traccar.helper.BitUtil;
+import org.traccar.helper.ChannelBufferTools;
+import org.traccar.model.Event;
+import org.traccar.model.Position;
+
+public class TzoneProtocolDecoder extends BaseProtocolDecoder {
+
+ public TzoneProtocolDecoder(TzoneProtocol protocol) {
+ super(protocol);
+ }
+
+ @Override
+ protected Object decode(
+ Channel channel, SocketAddress remoteAddress, Object msg)
+ throws Exception {
+
+ ChannelBuffer buf = (ChannelBuffer) msg;
+
+ buf.skipBytes(2); // header
+ buf.readUnsignedShort(); // length
+ buf.readUnsignedShort(); // type
+ buf.readUnsignedShort(); // model
+ buf.readUnsignedInt(); // firmware
+
+ String imei = ChannelBufferTools.readHexString(buf, 16).substring(1);
+ if (!identify(imei, channel)) {
+ return null;
+ }
+
+ buf.skipBytes(6); // device time
+
+ Position position = new Position();
+ position.setProtocol(getProtocolName());
+ position.setDeviceId(getDeviceId());
+
+ int blockLength = buf.readUnsignedShort();
+ int blockEnd = buf.readerIndex() + blockLength;
+
+ if (blockLength == 0) {
+ return null;
+ }
+
+ position.set(Event.KEY_SATELLITES, buf.readUnsignedByte());
+
+ double lat = buf.readUnsignedInt() / 600000.0;
+ double lon = buf.readUnsignedInt() / 600000.0;
+
+ Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
+ time.clear();
+ time.set(Calendar.YEAR, 2000 + buf.readUnsignedByte());
+ time.set(Calendar.MONTH, buf.readUnsignedByte() - 1);
+ time.set(Calendar.DAY_OF_MONTH, buf.readUnsignedByte());
+ time.set(Calendar.HOUR_OF_DAY, buf.readUnsignedByte());
+ time.set(Calendar.MINUTE, buf.readUnsignedByte());
+ time.set(Calendar.SECOND, buf.readUnsignedByte());
+ position.setTime(time.getTime());
+
+ position.setSpeed(buf.readUnsignedShort() * 0.01);
+
+ position.set(Event.KEY_ODOMETER, buf.readUnsignedMedium());
+
+ int flags = buf.readUnsignedShort();
+ position.setCourse(BitUtil.range(flags, 0, 9));
+ position.setLatitude(BitUtil.check(flags, 10) ? lat : -lat);
+ position.setLongitude(BitUtil.check(flags, 9) ? -lon : lon);
+ position.setValid(BitUtil.check(flags, 11));
+
+ buf.readerIndex(blockEnd);
+
+ return position;
+ }
+
+}