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-rw-r--r--src/org/traccar/web/GpxBuilder.java73
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diff --git a/src/org/traccar/web/GpxBuilder.java b/src/org/traccar/web/GpxBuilder.java
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+/*
+ * Copyright 2016 Anton Tananaev (anton.tananaev@gmail.com)
+ * Copyright 2016 Andrey Kunitsyn (abyss@fox5.ru)
+ *
+ * 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.web;
+
+import java.util.Collection;
+
+import org.joda.time.DateTime;
+import org.joda.time.format.DateTimeFormatter;
+import org.joda.time.format.ISODateTimeFormat;
+import org.traccar.helper.UnitsConverter;
+import org.traccar.model.Position;
+
+public class GpxBuilder {
+
+ private StringBuilder builder = new StringBuilder();
+ private static final String HEADER = "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\" ?>"
+ + "<gpx xmlns=\"http://www.topografix.com/GPX/1/1\" creator=\"Traccar\" version=\"1.1\" "
+ + "xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" "
+ + "xsi:schemaLocation=\"http://www.topografix.com/GPX/1/1 "
+ + "http://www.topografix.com/GPX/1/1/gpx.xsd\"><trk>\n";
+ private static final String NAME = "<name>%1$s</name><trkseg>%n";
+ private static final String POINT = "<trkpt lat=\"%1$f\" lon=\"%2$f\">"
+ + "<time>%3$s</time>"
+ + "<geoidheight>%4$f</geoidheight>"
+ + "<course>%5$f</course>"
+ + "<speed>%6$f</speed>"
+ + "</trkpt>%n";
+ private static final String FOOTER = "</trkseg></trk></gpx>";
+
+ private static final DateTimeFormatter DATE_FORMAT = ISODateTimeFormat.dateTime();
+
+ public GpxBuilder() {
+ builder.append(HEADER);
+ builder.append("<trkseg>\n");
+ }
+
+ public GpxBuilder(String name) {
+ builder.append(HEADER);
+ builder.append(String.format(NAME, name));
+ }
+
+ public void addPosition(Position position) {
+ builder.append(String.format(POINT, position.getLatitude(), position.getLongitude(),
+ DATE_FORMAT.print(new DateTime(position.getFixTime())), position.getAltitude(),
+ position.getCourse(), UnitsConverter.mpsFromKnots(position.getSpeed())));
+ }
+
+ public void addPositions(Collection<Position> positions) {
+ for (Position position : positions) {
+ addPosition(position);
+ }
+ }
+
+ public String build() {
+ builder.append(FOOTER);
+ return builder.toString();
+ }
+
+}