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-rw-r--r--src/net/sourceforge/opentracking/protocol/xexun/XexunFrameDecoder.java105
-rw-r--r--src/net/sourceforge/opentracking/protocol/xexun/XexunProtocolDecoder.java153
2 files changed, 258 insertions, 0 deletions
diff --git a/src/net/sourceforge/opentracking/protocol/xexun/XexunFrameDecoder.java b/src/net/sourceforge/opentracking/protocol/xexun/XexunFrameDecoder.java
new file mode 100644
index 000000000..338c7bec9
--- /dev/null
+++ b/src/net/sourceforge/opentracking/protocol/xexun/XexunFrameDecoder.java
@@ -0,0 +1,105 @@
+/*
+ * Минимум - 100
+ * Начало - (10 цифр) + ','
+ * Длина 16 x ','
+ */
+
+package net.sourceforge.opentracking.protocol.xexun;
+
+import org.jboss.netty.handler.codec.frame.FrameDecoder;
+import org.jboss.netty.channel.Channel;
+import org.jboss.netty.channel.ChannelHandlerContext;
+import org.jboss.netty.buffer.ChannelBuffer;
+
+/**
+ *
+ */
+public class XexunFrameDecoder extends FrameDecoder {
+
+ protected Object decode(
+ ChannelHandlerContext ctx,
+ Channel channel,
+ ChannelBuffer buf) throws Exception {
+
+ System.out.println("read: " + buf.readableBytes());
+
+ // Check minimum length
+ int length = buf.readableBytes();
+ if (length < 100) {
+ return null;
+ }
+
+ // Find identifier
+ int index = 0;
+ int countDigit = 0;
+ for (; index < length; index++) {
+
+ // Check byte
+ char c = (char) buf.getByte(index);
+ if (Character.isDigit(c)) {
+ countDigit++;
+ }
+
+ // Check count
+ if (countDigit == 10) {
+ break;
+ }
+ }
+
+ if (countDigit < 10) {
+ return null;
+ }
+
+ // Find begin
+ int beginIndex = 0;
+ for (; index < length; index++) {
+
+ char c = (char) buf.getByte(index);
+ if (c == ',') {
+ beginIndex = index;
+ break;
+ }
+ }
+
+ if (beginIndex == 0) {
+ return null;
+ }
+
+ // Find imei
+ int imeiIndex = 0;
+ for (; index < length; index++) {
+
+ char c = (char) buf.getByte(index);
+ if (c == ':') {
+ imeiIndex = index;
+ break;
+ }
+ }
+
+ if (imeiIndex == 0) {
+ return null;
+ }
+
+ // Find end
+ int endIndex = 0;
+ for (; index < length; index++) {
+
+ char c = (char) buf.getByte(index);
+ if (c == ',') {
+ endIndex = index;
+ break;
+ }
+ }
+
+ if (endIndex == 0) {
+ return null;
+ }
+
+ // Read buffer
+ buf.skipBytes(beginIndex);
+ ChannelBuffer frame = buf.readBytes(endIndex - beginIndex + 1);
+
+ return frame;
+ }
+
+}
diff --git a/src/net/sourceforge/opentracking/protocol/xexun/XexunProtocolDecoder.java b/src/net/sourceforge/opentracking/protocol/xexun/XexunProtocolDecoder.java
new file mode 100644
index 000000000..cfd88fe6e
--- /dev/null
+++ b/src/net/sourceforge/opentracking/protocol/xexun/XexunProtocolDecoder.java
@@ -0,0 +1,153 @@
+/*
+ * 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.xexun;
+
+import java.util.List;
+import java.util.Map;
+import java.util.HashMap;
+import java.util.Calendar;
+import java.util.GregorianCalendar;
+import java.util.regex.Pattern;
+import java.util.regex.Matcher;
+import java.text.ParseException;
+import org.jboss.netty.channel.Channel;
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.jboss.netty.buffer.ChannelBuffers;
+import org.jboss.netty.channel.ChannelHandlerContext;
+import org.jboss.netty.handler.codec.oneone.OneToOneDecoder;
+import org.jboss.netty.channel.ChannelPipelineCoverage;
+import net.sourceforge.opentracking.Position;
+import net.sourceforge.opentracking.Device;
+import net.sourceforge.opentracking.DataManager;
+import java.sql.SQLException;
+
+/**
+ * Xexun tracker protocol decoder
+ */
+@ChannelPipelineCoverage("all")
+public class XexunProtocolDecoder extends OneToOneDecoder {
+
+ /**
+ * Init device table
+ */
+ public XexunProtocolDecoder(DataManager dataManager) throws SQLException {
+
+ // Create map
+ setDevices(new HashMap());
+
+ if (dataManager != null) {
+ List deviceList = dataManager.readDevice();
+
+ for (Object device: deviceList) {
+ getDevices().put(((Device) device).getImei(), device);
+ }
+ }
+ }
+
+ /**
+ * Devices
+ */
+ private Map devices;
+
+ public Map getDevices() {
+ return devices;
+ }
+
+ private void setDevices(Map newDevices) {
+ devices = newDevices;
+ }
+
+ /**
+ * Regular expressions pattern
+ */
+ static private Pattern pattern = Pattern.compile(
+ "," + // Old: [\\d]+,
+ "\\+?[\\d]+," + // Trusted phone number
+ "GPRMC," +
+ "([\\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
+ "([\\d]+.[\\d]{2})," + // Course
+ "([\\d]{2})([\\d]{2})([\\d]{2})," + // Date (DDMMYY)
+ ".*imei:" +
+ "([\\d]+)," + // IMEI
+ ".*");
+
+ /**
+ * Decode message
+ */
+ protected Object decode(
+ ChannelHandlerContext ctx, Channel channel, Object msg)
+ throws ParseException {
+
+ // Parse message
+ String sentence = (String) msg;
+ System.out.println("parse: " + sentence);
+ Matcher parser = pattern.matcher(sentence);
+ if (!parser.matches()) {
+ throw new ParseException(null, 0);
+ }
+
+ // Create new position
+ Position position = new Position();
+
+ Integer index = 1;
+
+ // Time
+ Calendar time = new GregorianCalendar();
+ time.clear();
+ 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++)));
+
+ // 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 and course
+ position.setSpeed(Double.valueOf(parser.group(index++)));
+ position.setCourse(Double.valueOf(parser.group(index++)));
+
+ // Date
+ 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++)));
+ position.setTime(time.getTime());
+
+ // Get device by IMEI
+ String imei = parser.group(index++);
+ position.setDeviceId(((Device) getDevices().get(imei)).getId());
+
+ return position;
+ }
+
+}