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/*
* Copyright 2022 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.reports;
import org.traccar.helper.DateUtil;
import org.traccar.helper.model.PositionUtil;
import org.traccar.model.Device;
import org.traccar.storage.Storage;
import org.traccar.storage.StorageException;
import org.traccar.storage.query.Columns;
import org.traccar.storage.query.Condition;
import org.traccar.storage.query.Request;
import javax.inject.Inject;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.util.Date;
public class GpxExportProvider {
private final Storage storage;
@Inject
public GpxExportProvider(Storage storage) {
this.storage = storage;
}
public void generate(
OutputStream outputStream, long deviceId, Date from, Date to) throws StorageException {
var device = storage.getObject(Device.class, new Request(
new Columns.All(), new Condition.Equals("id", "id", deviceId)));
var positions = PositionUtil.getPositions(storage, deviceId, from, to);
try (PrintWriter writer = new PrintWriter(outputStream)) {
writer.print("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
writer.print("<gpx version=\"1.0\">");
writer.print("<trk>");
writer.print("<name>");
writer.print(device.getName());
writer.print("</name>");
writer.print("<trkseg>");
positions.forEach(position -> {
writer.print("<trkpt lat=\"");
writer.print(position.getLatitude());
writer.print("\" lon=\"");
writer.print(position.getLongitude());
writer.print("\">");
writer.print("<ele>");
writer.print(position.getAltitude());
writer.print("</ele>");
writer.print("<time>");
writer.print(DateUtil.formatDate(position.getFixTime()));
writer.print("</time>");
writer.print("</trkpt>");
});
writer.print("</trkseg>");
writer.print("</trk>");
writer.print("</gpx>");
}
}
}
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