Combine Syrus and Taip protocols

1 files changed, 181 insertions, 0 deletions

diff --git a/src/org/traccar/protocol/TaipProtocolDecoder.java b/src/org/traccar/protocol/TaipProtocolDecoder.java
new file mode 100644
index 000000000..518efac0d
--- /dev/null
+++ b/src/org/traccar/protocol/TaipProtocolDecoder.java
@@ -0,0 +1,181 @@
+/*
+ * Copyright 2013 - 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.util.Calendar;
+import java.util.Date;
+import java.util.TimeZone;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import org.jboss.netty.channel.Channel;
+import org.jboss.netty.channel.ChannelHandlerContext;
+
+import org.traccar.BaseProtocolDecoder;
+import org.traccar.Protocol;
+import org.traccar.helper.UnitsConverter;
+import org.traccar.model.Position;
+
+public class TaipProtocolDecoder extends BaseProtocolDecoder {
+    
+    boolean sendResponse;
+
+    public TaipProtocolDecoder(TaipProtocol protocol, boolean sendResponse) {
+        super(protocol);
+        this.sendResponse = sendResponse;
+    }
+
+    private static final Pattern pattern = Pattern.compile(
+            "(?:R[EP]V" +                  // Type
+            "(?:\\d{2}" +                  // Event index
+            "(\\d{4})" +                   // Week
+            "(\\d))?" +                    // Day
+            "(\\d{5})|" +                  // Seconds
+            "RGP" +                        // Type
+            "(\\d{2})(\\d{2})(\\d{2})" +   // Date
+            "(\\d{2})(\\d{2})(\\d{2}))" +  // Time
+            "([\\+\\-]\\d{2})(\\d{5})" +   // Latitude
+            "([\\+\\-]\\d{3})(\\d{5})" +   // Longitude
+            "(\\d{3})" +                   // Speed
+            "(\\d{3})" +                   // Course
+            "(\\d)" +                      // Fix mode
+            ".*\r?\n?");
+
+    private Date getTime(long week, long day, long seconds) {
+        Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
+        time.clear();
+        time.set(Calendar.YEAR, 1980);
+        time.set(Calendar.MONTH, 0);
+        time.set(Calendar.DAY_OF_MONTH, 6);
+
+        long millis = time.getTimeInMillis();
+        millis += ((week * 7 + day) * 24 * 60 * 60 + seconds) * 1000;
+
+        return new Date(millis);
+    }
+    
+    private Date getTime(long seconds) {
+        Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
+        time.set(Calendar.HOUR_OF_DAY, 0);
+        time.set(Calendar.MINUTE, 0);
+        time.set(Calendar.SECOND, 0);
+        time.set(Calendar.MILLISECOND, 0);
+        
+        long millis = time.getTimeInMillis() + seconds * 1000;
+        
+        long diff = new Date().getTime() - millis;
+        
+        if (diff > 12 * 60 * 60 * 1000) {
+            millis += 24 * 60 * 60 * 1000;
+        } else if (diff < -12 * 60 * 60 * 1000) {
+            millis -= 24 * 60 * 60 * 1000;
+        }
+
+        return new Date(millis);
+    }
+    
+    @Override
+    protected Object decode(
+            ChannelHandlerContext ctx, Channel channel, Object msg)
+            throws Exception {
+
+        String sentence = (String) msg;
+        
+        // Find message start
+        int beginIndex = sentence.indexOf('>');
+        if (beginIndex != -1) {
+            sentence = sentence.substring(beginIndex + 1);
+        }
+
+        // Find device ID
+        beginIndex = sentence.indexOf(";ID=");
+        if (beginIndex != -1) {
+            beginIndex += 4;
+            int endIndex = sentence.indexOf(';', beginIndex);
+            if (endIndex == -1) {
+                endIndex = sentence.length();
+            }
+
+            // Find device in database
+            String id = sentence.substring(beginIndex, endIndex);
+            if (!identify(id, channel)) {
+                return null;
+            }
+
+            // Send response
+            if (sendResponse && channel != null) {
+                channel.write(id);
+            }
+        } else {
+            return null;
+        }
+
+        // Parse message
+        Matcher parser = pattern.matcher(sentence);
+        if (!parser.matches()) {
+            return null;
+        }
+
+        // Create new position
+        Position position = new Position();
+        position.setProtocol(getProtocolName());
+        position.setDeviceId(getDeviceId());
+
+        Integer index = 1;
+        
+        // Time
+        String week = parser.group(index++);
+        String day = parser.group(index++);
+        String seconds = parser.group(index++);
+        if (seconds != null) {
+            if (week != null && day != null) {
+                position.setTime(getTime(Integer.valueOf(week), Integer.valueOf(day), Integer.valueOf(seconds)));
+            } else {
+                position.setTime(getTime(Integer.valueOf(seconds)));
+            }
+            index += 6;
+        } else {
+            Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
+            time.clear();
+            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++)));
+            time.set(Calendar.HOUR_OF_DAY, Integer.valueOf(parser.group(index++)));
+            time.set(Calendar.MINUTE, Integer.valueOf(parser.group(index++)));
+            time.set(Calendar.SECOND, Integer.valueOf(parser.group(index++)));
+            position.setTime(time.getTime());
+        }
+
+        // Latitude
+        String latitude = parser.group(index) + '.' + parser.group(index + 1);
+        index += 2;
+        position.setLatitude(Double.valueOf(latitude));
+
+        // Latitude
+        String longitude = parser.group(index) + '.' + parser.group(index + 1);
+        index += 2;
+        position.setLongitude(Double.valueOf(longitude));
+        
+        // Speed and Course
+        position.setSpeed(UnitsConverter.knotsFromMph(Double.valueOf(parser.group(index++))));
+        position.setCourse(Double.valueOf(parser.group(index++)));
+        
+        // Validity
+        position.setValid(Integer.valueOf(parser.group(index++)) != 0);
+        return position;
+    }
+
+}