diff options
Diffstat (limited to 'src/main/java/org/traccar/protocol/T57ProtocolDecoder.java')
-rw-r--r-- | src/main/java/org/traccar/protocol/T57ProtocolDecoder.java | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/protocol/T57ProtocolDecoder.java b/src/main/java/org/traccar/protocol/T57ProtocolDecoder.java new file mode 100644 index 000000000..2a3cca3e4 --- /dev/null +++ b/src/main/java/org/traccar/protocol/T57ProtocolDecoder.java @@ -0,0 +1,84 @@ +/* + * Copyright 2017 - 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.Parser; +import org.traccar.helper.PatternBuilder; +import org.traccar.model.Position; + +import java.net.SocketAddress; +import java.util.regex.Pattern; + +public class T57ProtocolDecoder extends BaseProtocolDecoder { + + public T57ProtocolDecoder(Protocol protocol) { + super(protocol); + } + + private static final Pattern PATTERN = new PatternBuilder() + .text("*T57#") + .number("Fd#") // type + .number("([^#]+)#") // device id + .number("(dd)(dd)(dd)#") // date (ddmmyy) + .number("(dd)(dd)(dd)#") // time (hhmmss) + .number("(dd)(dd.d+)#") // latitude + .expression("([NS])#") + .number("(ddd)(dd.d+)#") // longitude + .expression("([EW])#") + .expression("[^#]+#") + .number("(d+.d+)#") // speed + .number("(d+.d+)#") // altitude + .expression("([AV])") // valid + .number("d#") // fix type + .number("(d+.d+)#") // battery + .compile(); + + @Override + protected Object decode( + Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { + + Parser parser = new Parser(PATTERN, (String) msg); + if (!parser.matches()) { + return null; + } + + DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next()); + if (deviceSession == null) { + return null; + } + + Position position = new Position(getProtocolName()); + position.setDeviceId(deviceSession.getDeviceId()); + + position.setTime(parser.nextDateTime(Parser.DateTimeFormat.DMY_HMS)); + + position.setLatitude(parser.nextCoordinate()); + position.setLongitude(parser.nextCoordinate()); + position.setSpeed(parser.nextDouble()); + position.setAltitude(parser.nextDouble()); + + position.setValid(parser.next().equals("A")); + + position.set(Position.KEY_BATTERY, parser.nextDouble()); + + return position; + } + +} |