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author | Anton Tananaev <anton.tananaev@gmail.com> | 2014-06-01 20:37:44 +1200 |
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committer | Anton Tananaev <anton.tananaev@gmail.com> | 2014-06-01 20:37:44 +1200 |
commit | 8f62b5da5664ef4294387763d328df92784b50e4 (patch) | |
tree | 27ad8ffc056feb00ccf682824a455d3e724655a6 /src/org/traccar/protocol | |
parent | 688b34433c842b2f4ee546c9b8b19e867bfb4352 (diff) | |
download | traccar-server-8f62b5da5664ef4294387763d328df92784b50e4.tar.gz traccar-server-8f62b5da5664ef4294387763d328df92784b50e4.tar.bz2 traccar-server-8f62b5da5664ef4294387763d328df92784b50e4.zip |
Implement Box protocol
Diffstat (limited to 'src/org/traccar/protocol')
-rw-r--r-- | src/org/traccar/protocol/BoxProtocolDecoder.java | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/src/org/traccar/protocol/BoxProtocolDecoder.java b/src/org/traccar/protocol/BoxProtocolDecoder.java new file mode 100644 index 000000000..239b0aac5 --- /dev/null +++ b/src/org/traccar/protocol/BoxProtocolDecoder.java @@ -0,0 +1,122 @@ +/* + * Copyright 2014 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 BoxProtocolDecoder extends BaseProtocolDecoder { + + private Long deviceId; + + public BoxProtocolDecoder(ServerManager serverManager) { + super(serverManager); + } + + private static final Pattern pattern = Pattern.compile( + "L," + + "(\\d{2})(\\d{2})(\\d{2})" + // Date + "(\\d{2})(\\d{2})(\\d{2})," + // Time + "G," + + "(-?\\d+\\.\\d+)," + // Latitude + "(-?\\d+\\.\\d+)," + // Longitude + "(\\d+\\.?\\d*)," + // Speed + "(\\d+\\.?\\d*)," + // Course + "(\\d+)," + // Distance + "(\\d+)," + // Event + "(\\d+)" + // Status + ".*"); + + @Override + protected Object decode( + ChannelHandlerContext ctx, Channel channel, Object msg) + throws Exception { + + String sentence = (String) msg; + + if (sentence.startsWith("H,")) { + + int index = sentence.indexOf(',', 2) + 1; + String id = sentence.substring(index, sentence.indexOf(',', index)); + + try { + deviceId = getDataManager().getDeviceByImei(id).getId(); + } catch(Exception error) { + Log.warning("Unknown device - " + id); + } + } + + else if (sentence.startsWith("L,")) { + + // Parse message + Matcher parser = pattern.matcher(sentence); + if (!parser.matches()) { + return null; + } + + // Create new position + Position position = new Position(); + position.setDeviceId(deviceId); + ExtendedInfoFormatter extendedInfo = new ExtendedInfoFormatter("box"); + + Integer index = 1; + + // Time + Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC")); + time.clear(); + 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_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()); + + // Location + position.setLatitude(Double.valueOf(parser.group(index++))); + position.setLongitude(Double.valueOf(parser.group(index++))); + position.setSpeed(Double.valueOf(parser.group(index++))); + position.setCourse(Double.valueOf(parser.group(index++))); + position.setAltitude(0.0); + + // Distance + extendedInfo.set("milage", parser.group(index++)); + + // Event + extendedInfo.set("event", parser.group(index++)); + + // Status + int status = Integer.valueOf(parser.group(index++)); + position.setValid((status & 0x04) == 0); + extendedInfo.set("status", status); + + position.setExtendedInfo(extendedInfo.toString()); + return position; + } + + return null; + } + +} |