diff options
Diffstat (limited to 'src/main/java/org/traccar/protocol/V680ProtocolDecoder.java')
-rw-r--r-- | src/main/java/org/traccar/protocol/V680ProtocolDecoder.java | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/protocol/V680ProtocolDecoder.java b/src/main/java/org/traccar/protocol/V680ProtocolDecoder.java new file mode 100644 index 000000000..0342404a6 --- /dev/null +++ b/src/main/java/org/traccar/protocol/V680ProtocolDecoder.java @@ -0,0 +1,132 @@ +/* + * Copyright 2012 - 2018 Anton Tananaev (anton@traccar.org) + * + * 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 io.netty.channel.Channel; +import org.traccar.BaseProtocolDecoder; +import org.traccar.DeviceSession; +import org.traccar.Protocol; +import org.traccar.helper.DateBuilder; +import org.traccar.helper.Parser; +import org.traccar.helper.PatternBuilder; +import org.traccar.model.Position; + +import java.net.SocketAddress; +import java.util.regex.Pattern; + +public class V680ProtocolDecoder extends BaseProtocolDecoder { + + public V680ProtocolDecoder(Protocol protocol) { + super(protocol); + } + + private static final Pattern PATTERN = new PatternBuilder() + .groupBegin() + .number("#(d+)#") // imei + .expression("([^#]*)#") // user + .groupEnd("?") + .number("(d+)#") // fix + .expression("([^#]+)#") // password + .expression("([^#]+)#") // event + .number("(d+)#") // packet number + .expression("([^#]+)?#?") // gsm base station + .expression("(?:[^#]+#)?") + .number("(d+.d+),([EW]),") // longitude + .number("(d+.d+),([NS]),") // latitude + .number("(d+.d+),") // speed + .number("(d+.?d*)?#") // course + .number("(dd)(dd)(dd)#") // date (ddmmyy) + .number("(dd)(dd)(dd)") // time (hhmmss) + .any() + .compile(); + + @Override + protected Object decode( + Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { + + String sentence = (String) msg; + sentence = sentence.trim(); + + if (sentence.length() == 16) { + + getDeviceSession(channel, remoteAddress, sentence.substring(1, sentence.length())); + + } else { + + Parser parser = new Parser(PATTERN, sentence); + if (!parser.matches()) { + return null; + } + + Position position = new Position(getProtocolName()); + + DeviceSession deviceSession; + if (parser.hasNext()) { + deviceSession = getDeviceSession(channel, remoteAddress, parser.next()); + } else { + deviceSession = getDeviceSession(channel, remoteAddress); + } + if (deviceSession == null) { + return null; + } + position.setDeviceId(deviceSession.getDeviceId()); + + position.set("user", parser.next()); + position.setValid(parser.nextInt(0) > 0); + position.set("password", parser.next()); + position.set(Position.KEY_EVENT, parser.next()); + position.set("packet", parser.next()); + position.set("lbsData", parser.next()); + + double lon = parser.nextDouble(0); + boolean west = parser.next().equals("W"); + double lat = parser.nextDouble(0); + boolean south = parser.next().equals("S"); + + if (lat > 90 || lon > 180) { + int lonDegrees = (int) (lon * 0.01); + lon = (lon - lonDegrees * 100) / 60.0; + lon += lonDegrees; + + int latDegrees = (int) (lat * 0.01); + lat = (lat - latDegrees * 100) / 60.0; + lat += latDegrees; + } + + position.setLongitude(west ? -lon : lon); + position.setLatitude(south ? -lat : lat); + + position.setSpeed(parser.nextDouble(0)); + position.setCourse(parser.nextDouble(0)); + + int day = parser.nextInt(0); + int month = parser.nextInt(0); + if (day == 0 && month == 0) { + return null; // invalid date + } + + DateBuilder dateBuilder = new DateBuilder() + .setDate(parser.nextInt(0), month, day) + .setTime(parser.nextInt(0), parser.nextInt(0), parser.nextInt(0)); + position.setTime(dateBuilder.getDate()); + + return position; + } + + return null; + } + +} |