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authorHans van den Elsen <hans.elsen@esds.nl>2016-03-14 20:49:04 +0100
committerHans van den Elsen <hans.elsen@esds.nl>2016-03-14 20:49:04 +0100
commit7fd1c08dd2f789ddd37ff075a6ebda1645947616 (patch)
tree75b715e6dd70f6be3357e1710c4db6f1f6a1e29e /src/org/traccar/protocol/FoxProtocolDecoder.java
parent4606737cc07b736f9c8f98ae680b928c94c082c8 (diff)
parent0a1019b59481b6bf8ee8989feb23cef084b6caf5 (diff)
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Merge remote-tracking branch 'refs/remotes/tananaev/master'
Diffstat (limited to 'src/org/traccar/protocol/FoxProtocolDecoder.java')
-rw-r--r--src/org/traccar/protocol/FoxProtocolDecoder.java103
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diff --git a/src/org/traccar/protocol/FoxProtocolDecoder.java b/src/org/traccar/protocol/FoxProtocolDecoder.java
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+/*
+ * 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;
+ }
+
+}