Method: loadTrack(FileEntity)

1: /*
2: * *************************************************************************************************************************************************************
3: *
4: * blueMarine III: Semantic DAM
5: * http://tidalwave.it/projects/bluemarine3
6: *
7: * Copyright (C) 2024 - 2025 by Tidalwave s.a.s. (http://tidalwave.it)
8: *
9: * *************************************************************************************************************************************************************
10: *
11: * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.
12: * You may obtain a copy of the License at
13: *
14: * http://www.apache.org/licenses/LICENSE-2.0
15: *
16: * 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
17: * CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
18: *
19: * *************************************************************************************************************************************************************
20: *
21: * git clone https://bitbucket.org/tidalwave/bluemarine3-src
22: * git clone https://github.com/tidalwave-it/bluemarine3-src
23: *
24: * *************************************************************************************************************************************************************
25: */
26: package it.tidalwave.geo.impl.jpx;
27:
28: import jakarta.annotation.Nonnull;
29: import java.util.Set;
30: import java.util.zip.GZIPInputStream;
31: import java.io.IOException;
32: import java.nio.file.Files;
33: import io.jenetics.jpx.GPX;
34: import io.jenetics.jpx.Track;
35: import it.tidalwave.dam.model.MimeType;
36: import it.tidalwave.dam.model.io.FileEntity;
37: import it.tidalwave.dam.model.spi.role.LoadableSupport;
38: import it.tidalwave.geo.GeoTrack;
39: import it.tidalwave.dci.annotation.DciRole;
40: import lombok.extern.slf4j.Slf4j;
41: import static it.tidalwave.util.FunctionalCheckedExceptionWrappers.*;
42:
43: /***************************************************************************************************************************************************************
44: *
45: * @author Fabrizio Giudici
46: *
47: **************************************************************************************************************************************************************/
48: @DciRole(datumType = { FileEntity.class, GeoTrack.class }) @Slf4j
49: public class JPXGeoTrackLoadable extends LoadableSupport<GeoTrack>
50: {
51: public JPXGeoTrackLoadable()
52: {
53: super(Set.of("gpx", "gpx.gz"), Set.of(MimeType.of("application/xml+gpx")));
54: }
55:
56: @Override
57: public GeoTrack load (@Nonnull final FileEntity file)
58: {
59: return new JPXGeoTrack(_s(() -> loadTrack(file)), file.getPath().toString());
60: }
61:
62: @Nonnull
63: private Track loadTrack (@Nonnull final FileEntity file)
64: throws IOException
65: {
66: try (final var is = Files.newInputStream(file.getPath()))
67: {
68:• final var is2 = "gpx.gz".equals(file.getExtension()) ? new GZIPInputStream(is) : is;
69: return GPX.Reader.of(GPX.Reader.Mode.LENIENT).read(is2).getTracks().getFirst();
70: }
71: }
72: }