From 40bf728938311fa9619ad2bb0eb89b21c16e9585 Mon Sep 17 00:00:00 2001 From: Anton Tananaev Date: Mon, 14 Mar 2016 14:24:41 +1300 Subject: Implement Fox Lite protocol --- src/org/traccar/protocol/FoxProtocol.java | 47 +++++++++++ src/org/traccar/protocol/FoxProtocolDecoder.java | 103 +++++++++++++++++++++++ 2 files changed, 150 insertions(+) create mode 100644 src/org/traccar/protocol/FoxProtocol.java create mode 100644 src/org/traccar/protocol/FoxProtocolDecoder.java (limited to 'src/org') diff --git a/src/org/traccar/protocol/FoxProtocol.java b/src/org/traccar/protocol/FoxProtocol.java new file mode 100644 index 000000000..25190e967 --- /dev/null +++ b/src/org/traccar/protocol/FoxProtocol.java @@ -0,0 +1,47 @@ +/* + * Copyright 2016 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 org.jboss.netty.bootstrap.ServerBootstrap; +import org.jboss.netty.channel.ChannelPipeline; +import org.jboss.netty.handler.codec.frame.LineBasedFrameDecoder; +import org.jboss.netty.handler.codec.string.StringDecoder; +import org.jboss.netty.handler.codec.string.StringEncoder; +import org.traccar.BaseProtocol; +import org.traccar.CharacterDelimiterFrameDecoder; +import org.traccar.TrackerServer; + +import java.util.List; + +public class FoxProtocol extends BaseProtocol { + + public FoxProtocol() { + super("fox"); + } + + @Override + public void initTrackerServers(List serverList) { + serverList.add(new TrackerServer(new ServerBootstrap(), this.getName()) { + @Override + protected void addSpecificHandlers(ChannelPipeline pipeline) { + pipeline.addLast("frameDecoder", new CharacterDelimiterFrameDecoder(1024, "")); + pipeline.addLast("stringDecoder", new StringDecoder()); + pipeline.addLast("objectDecoder", new FoxProtocolDecoder(FoxProtocol.this)); + } + }); + } + +} diff --git a/src/org/traccar/protocol/FoxProtocolDecoder.java b/src/org/traccar/protocol/FoxProtocolDecoder.java new file mode 100644 index 000000000..b88da573f --- /dev/null +++ b/src/org/traccar/protocol/FoxProtocolDecoder.java @@ -0,0 +1,103 @@ +/* + * Copyright 2016 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 org.jboss.netty.channel.Channel; +import org.traccar.BaseProtocolDecoder; +import org.traccar.helper.DateBuilder; +import org.traccar.helper.Parser; +import org.traccar.helper.PatternBuilder; +import org.traccar.helper.UnitsConverter; +import org.traccar.model.Position; + +import java.net.SocketAddress; +import java.util.regex.Pattern; + +public class FoxProtocolDecoder extends BaseProtocolDecoder { + + public FoxProtocolDecoder(FoxProtocol protocol) { + super(protocol); + } + + private static final Pattern PATTERN = new PatternBuilder() + .number("d+,") // status id + .expression("([AV]),") // validity + .number("(dd)(dd)(dd),") // date + .number("(dd)(dd)(dd),") // time + .number("(dd)(dd.d+),") // latitude + .expression("([NS]),") + .number("(ddd)(dd.d+),") // longitude + .expression("([EW]),") + .number("(d+.?d*)?,") // speed + .number("(d+.?d*)?,") // course + .any() + .compile(); + + private String getAttribute(String xml, String key) { + int start = xml.indexOf(key + "=\""); + if (start != -1) { + start += key.length() + 2; + int end = xml.indexOf("\"", start); + if (end != -1) { + return xml.substring(start, end); + } + } + return null; + } + + @Override + protected Object decode( + Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { + + String xml = (String) msg; + String id = getAttribute(xml, "id"); + String data = getAttribute(xml, "data"); + + if (id != null && data != null) { + + if (!identify(id, channel, remoteAddress)) { + return null; + } + + Parser parser = new Parser(PATTERN, data); + if (!parser.matches()) { + return null; + } + + Position position = new Position(); + position.setProtocol(getProtocolName()); + position.setDeviceId(getDeviceId()); + + position.setValid(parser.next().equals("A")); + + DateBuilder dateBuilder = new DateBuilder() + .setDateReverse(parser.nextInt(), parser.nextInt(), parser.nextInt()) + .setTime(parser.nextInt(), parser.nextInt(), parser.nextInt()); + position.setTime(dateBuilder.getDate()); + + position.setLatitude(parser.nextCoordinate()); + position.setLongitude(parser.nextCoordinate()); + position.setSpeed(UnitsConverter.knotsFromKph(parser.nextDouble())); + position.setCourse(parser.nextDouble()); + + return position; + + } + + return null; + } + +} -- cgit v1.2.3