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Diffstat (limited to 'src/org/traccar/protocol/TotemProtocolDecoder.java')
| -rw-r--r-- | src/org/traccar/protocol/TotemProtocolDecoder.java | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/src/org/traccar/protocol/TotemProtocolDecoder.java b/src/org/traccar/protocol/TotemProtocolDecoder.java new file mode 100644 index 000000000..9ba4d7458 --- /dev/null +++ b/src/org/traccar/protocol/TotemProtocolDecoder.java @@ -0,0 +1,205 @@ +/* + * Copyright 2013 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.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.ServerManager; +import org.traccar.helper.Log; +import org.traccar.model.ExtendedInfoFormatter; +import org.traccar.model.Position; + +public class TotemProtocolDecoder extends BaseProtocolDecoder { + + public TotemProtocolDecoder(ServerManager serverManager) { + super(serverManager); + } + + static private Pattern patternFirst = Pattern.compile( + "\\$\\$" + // Header + "\\p{XDigit}{2}" + // Length + "(\\d+)\\|" + // IMEI + ".." + // Alarm Type + "\\$GPRMC," + + "(\\d{2})(\\d{2})(\\d{2})\\.\\d+," + // Time (HHMMSS.SS) + "([AV])," + // Validity + "(\\d+)(\\d{2}\\.\\d+)," + // Latitude (DDMM.MMMM) + "([NS])," + + "(\\d+)(\\d{2}\\.\\d+)," + // Longitude (DDDMM.MMMM) + "([EW])," + + "(\\d+\\.\\d+)?," + // Speed + "(\\d+\\.\\d+)?," + // Course + "(\\d{2})(\\d{2})(\\d{2})" + // Date (DDMMYY) + "[^\\*]+\\*\\p{XDigit}{2}\\|" + // Checksum + "\\d+.\\d\\|" + // PDOP + "(\\d+.\\d)\\|" + // HDOP + "\\d+.\\d\\|" + // VDOP + "(\\d+)\\|" + // IO Status + "\\d+\\|" + // Time + "\\d" + // Charged + "(\\d{3})" + // Battery + "(\\d{4})\\|" + // External Power + "(\\d+)\\|" + // ADC + "(\\p{XDigit}{8})\\|" + // Location Code + "(\\d+)\\|" + // Temperature + "(\\d+.\\d+)\\|" + // Milage + "\\d+\\|" + // Serial Number + "\\p{XDigit}{4}"); // Checksum + + static private Pattern patternSecond = Pattern.compile( + "\\$\\$" + // Header + "\\p{XDigit}{2}" + // Length + "(\\d+)\\|" + // IMEI + ".." + // Alarm Type + "(\\d{2})(\\d{2})(\\d{2})" + // Date (DDMMYY) + "(\\d{2})(\\d{2})(\\d{2})\\|" + // Time (HHMMSS) + "([AV])\\|" + // Validity + "(\\d+)(\\d{2}\\.\\d+)\\|" + // Latitude (DDMM.MMMM) + "([NS])\\|" + + "(\\d+)(\\d{2}\\.\\d+)\\|" + // Longitude (DDDMM.MMMM) + "([EW])\\|" + + "(\\d+\\.\\d+)?\\|" + // Speed + "(\\d+)?\\|" + // Course + "(\\d+.\\d+)\\|" + // HDOP + "(\\d+)\\|" + // IO Status + "\\d" + // Charged + "(\\d{2})" + // Battery + "(\\d{2})\\|" + // External Power + "(\\d+)\\|" + // ADC + "(\\p{XDigit}{8})\\|" + // Location Code + "(\\d+)\\|" + // Temperature + "(\\d+.\\d+)\\|" + // Milage + "\\d+\\|" + // Serial Number + "\\p{XDigit}{4}"); // Checksum + + @Override + protected Object decode( + ChannelHandlerContext ctx, Channel channel, Object msg) + throws Exception { + + String sentence = (String) msg; + + boolean first = sentence.contains("$GPRMC"); + + // Parse message + Matcher parser = first ? patternFirst.matcher(sentence) : patternSecond.matcher(sentence); + if (!parser.matches()) { + return null; + } + + // Create new position + Position position = new Position(); + ExtendedInfoFormatter extendedInfo = new ExtendedInfoFormatter("totem"); + + Integer index = 1; + + // Get device by IMEI + String imei = parser.group(index++); + try { + position.setDeviceId(getDataManager().getDeviceByImei(imei).getId()); + } catch(Exception error) { + Log.warning("Unknown device - " + imei); + return null; + } + + // Time + Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC")); + time.clear(); + if (!first) { + time.set(Calendar.YEAR, 2000 + Integer.valueOf(parser.group(index++))); + time.set(Calendar.MONTH, Integer.valueOf(parser.group(index++)) - 1); + time.set(Calendar.DAY_OF_MONTH, Integer.valueOf(parser.group(index++))); + } + 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++))); + + // 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 longitude = Double.valueOf(parser.group(index++)); + longitude += Double.valueOf(parser.group(index++)) / 60; + if (parser.group(index++).compareTo("W") == 0) longitude = -longitude; + position.setLongitude(longitude); + + // Speed + String speed = parser.group(index++); + if (speed != null) { + position.setSpeed(Double.valueOf(speed)); + } else { + position.setSpeed(0.0); + } + + // Course + String course = parser.group(index++); + if (course != null) { + position.setCourse(Double.valueOf(course)); + } else { + position.setCourse(0.0); + } + + // Date + if (first) { + time.set(Calendar.YEAR, 2000 + Integer.valueOf(parser.group(index++))); + time.set(Calendar.MONTH, Integer.valueOf(parser.group(index++)) - 1); + time.set(Calendar.DAY_OF_MONTH, Integer.valueOf(parser.group(index++))); + } + position.setTime(time.getTime()); + + // Altitude + position.setAltitude(0.0); + + // Accuracy + extendedInfo.set("hdop", parser.group(index++)); + + // IO Status + extendedInfo.set("io", parser.group(index++)); + + // Power + extendedInfo.set("battery", parser.group(index++)); + position.setPower(Double.valueOf(parser.group(index++))); + + // ADC + extendedInfo.set("adc", parser.group(index++)); + + // Location Code + extendedInfo.set("lac", parser.group(index++)); + + // Temperature + extendedInfo.set("temperature", parser.group(index++)); + + // Milage + extendedInfo.set("milage", parser.group(index++)); + + // Extended info + position.setExtendedInfo(extendedInfo.toString()); + + return position; + } + +} |