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Diffstat (limited to 'src/main/java/org/traccar/protocol/FoxProtocolDecoder.java')
-rw-r--r--src/main/java/org/traccar/protocol/FoxProtocolDecoder.java124
1 files changed, 124 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/protocol/FoxProtocolDecoder.java b/src/main/java/org/traccar/protocol/FoxProtocolDecoder.java
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+++ b/src/main/java/org/traccar/protocol/FoxProtocolDecoder.java
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+/*
+ * Copyright 2016 - 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.helper.UnitsConverter;
+import org.traccar.model.Position;
+
+import java.net.SocketAddress;
+import java.util.regex.Pattern;
+
+public class FoxProtocolDecoder extends BaseProtocolDecoder {
+
+ public FoxProtocolDecoder(Protocol protocol) {
+ super(protocol);
+ }
+
+ private static final Pattern PATTERN = new PatternBuilder()
+ .number("(d+),") // status id
+ .expression("([AV]),") // validity
+ .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]),")
+ .number("(d+.?d*)?,") // speed
+ .number("(d+.?d*)?,") // course
+ .expression("[^,]*,") // cell info
+ .number("([01]+) ") // input
+ .number("(d+) ") // power
+ .number("(d+) ") // temperature
+ .number("(d+) ") // rpm
+ .number("(d+) ") // fuel
+ .number("(d+) ") // adc 1
+ .number("(d+) ") // adc 2
+ .number("([01]+) ") // output
+ .number("(d+),") // odometer
+ .expression("(.+)") // status info
+ .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) {
+
+ DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, id);
+ if (deviceSession == null) {
+ return null;
+ }
+
+ Parser parser = new Parser(PATTERN, data);
+ if (!parser.matches()) {
+ return null;
+ }
+
+ Position position = new Position(getProtocolName());
+ position.setDeviceId(deviceSession.getDeviceId());
+
+ position.set(Position.KEY_STATUS, parser.nextInt(0));
+
+ position.setValid(parser.next().equals("A"));
+
+ position.setTime(parser.nextDateTime(Parser.DateTimeFormat.DMY_HMS));
+ position.setLatitude(parser.nextCoordinate());
+ position.setLongitude(parser.nextCoordinate());
+ position.setSpeed(UnitsConverter.knotsFromKph(parser.nextDouble(0)));
+ position.setCourse(parser.nextDouble(0));
+
+ position.set(Position.KEY_INPUT, parser.nextBinInt(0));
+ position.set(Position.KEY_POWER, parser.nextDouble(0) * 0.1);
+ position.set(Position.PREFIX_TEMP + 1, parser.nextInt(0));
+ position.set(Position.KEY_RPM, parser.nextInt(0));
+ position.set(Position.KEY_FUEL_LEVEL, parser.nextInt(0));
+ position.set(Position.PREFIX_ADC + 1, parser.nextInt(0));
+ position.set(Position.PREFIX_ADC + 2, parser.nextInt(0));
+ position.set(Position.KEY_OUTPUT, parser.nextBinInt(0));
+ position.set(Position.KEY_ODOMETER, parser.nextInt(0));
+
+ position.set("statusData", parser.next());
+
+ return position;
+
+ }
+
+ return null;
+ }
+
+}