Java FeatureCollection类代码示例

import org.geojson.FeatureCollection; //导入依赖的package包/类
public byte[] printGeoJson(final AreaPrintRequestDTO dto,
                           final FeatureCollection featureCollection) {
    final long zoomLayer = zoomLayer(featureCollection.getBbox(), dto.getPaperDpi());

    final String url = UriComponentsBuilder.fromUri(runtimeEnvironmentUtil.getMapExportEndpoint())
            .path(String.format("/%s%s/%d/%s%d.pdf",
                    dto.getPaperSize().name(),
                    dto.getPaperOrientation().asLetter(),
                    dto.getPaperDpi(),
                    LAYER_NAME,
                    zoomLayer))
            .build()
            .toUri()
            .toASCIIString();

    final HttpHeaders requestHeaders = new HttpHeaders();
    requestHeaders.setAccept(Collections.singletonList(MediaTypeExtras.APPLICATION_PDF));
    requestHeaders.setContentType(MediaType.APPLICATION_JSON);
    requestHeaders.set("Accept-Encoding", "gzip");

    final HttpEntity<FeatureCollection> requestEntity = new HttpEntity<>(featureCollection, requestHeaders);

    return restTemplate.exchange(url, HttpMethod.POST, requestEntity, byte[].class).getBody();
}
 

import org.geojson.FeatureCollection; //导入依赖的package包/类
private FeatureCollection toFeatureCollectionWithMetadata(final AreaEntity<?> area,
                                                          final HuntingClub club,
                                                          final int huntingYear) {

    return area.computeCombinedFeatures(zoneRepository, 1)
            .map(featureCollection -> {
                final Date saveDate = area.getLatestCombinedModificationTime();
                final DateTime saveDateTime = new DateTime(saveDate).withZone(DateTimeZone.UTC);

                for (final Feature feature : featureCollection) {
                    feature.setId(null);
                    feature.setProperty(GeoJSONConstants.PROPERTY_CLUB_NAME, club.getNameLocalisation());
                    feature.setProperty(GeoJSONConstants.PROPERTY_AREA_NAME, area.getNameLocalisation());
                    feature.setProperty(GeoJSONConstants.PROPERTY_AREA_SIZE, Math.round(area.getZone().getComputedAreaSize()));
                    feature.setProperty(GeoJSONConstants.PROPERTY_WATER_AREA_SIZE, Math.round(area.getZone().getWaterAreaSize()));
                    feature.setProperty(GeoJSONConstants.PROPERTY_SAVE_DATE, ISODateTimeFormat.basicDateTimeNoMillis().print(saveDateTime));
                    feature.setProperty(GeoJSONConstants.PROPERTY_HUNTING_YEAR, huntingYear);
                }

                return featureCollection;
            })
            .orElseThrow(MissingHuntingClubAreaGeometryException::new);
}
 

import org.geojson.FeatureCollection; //导入依赖的package包/类
@Transactional(readOnly = true, timeout = 60)
public FeatureCollection geoJSON(final long clubAreaId) {
    final HuntingClubArea huntingClubArea = requireEntityService
            .requireHuntingClubArea(clubAreaId, EntityPermission.READ);

    if (huntingClubArea.getZone() != null) {
        final GISZone gisZone = huntingClubArea.getZone();
        final FeatureCollection features = zoneRepository.getPalstaFeatures(gisZone.getId(), GISUtils.SRID.WGS84);
        features.setBbox(zoneRepository.getBounds(gisZone.getId(), GISUtils.SRID.WGS84));

        final Optional<Feature> excludedFeature = gisZone.getExcludedAsGeoJSON(GeoJSONConstants.ID_EXCLUDED);
        excludedFeature.ifPresent(features::add);

        // Metsähallitus hirvialueet
        features.addAll(metsahallitusRepository.listZoneHirviFeatures(gisZone.getId(), GISUtils.SRID.WGS84));

        return features;
    }
    return new FeatureCollection();
}
 

import org.geojson.FeatureCollection; //导入依赖的package包/类
@Transactional(timeout = 60)
public long updateGeoJSON(final long clubAreaId, final FeatureCollection featureCollection) {
    final HuntingClubArea huntingClubArea = requireEntityService
            .requireHuntingClubArea(clubAreaId, EntityPermission.UPDATE);

    final GISZone zone = huntingClubArea.getZone() != null ? huntingClubArea.getZone() : new GISZone();
    zone.setExcludedGeom(extractExcludedFeature(featureCollection));
    zone.setMetsahallitusHirvi(extractMetsahallitusHirvi(featureCollection));
    zone.setComputedAreaSize(-1);
    zone.setWaterAreaSize(-1);
    huntingClubArea.setZone(zone);

    // Make sure modification time is updated
    zone.setModificationTimeToCurrentTime();
    huntingClubArea.setModificationTimeToCurrentTime();

    zoneRepository.saveAndFlush(zone);

    zoneRepository.updatePalstaFeatures(zone.getId(), featureCollection);

    return zone.getId();
}
 

import org.geojson.FeatureCollection; //导入依赖的package包/类
@Transactional(readOnly = true)
public FeatureCollection findPermitArea(final long harvestPermitId,
                                        final int huntingYear,
                                        final int gameSpeciesCode) {
    final GameSpecies species = gameDiaryService.getGameSpeciesByOfficialCode(gameSpeciesCode);
    final HarvestPermit harvestPermit =
            requireEntityService.requireHarvestPermit(harvestPermitId, EntityPermission.READ);

    if (!harvestPermit.isMooselikePermitType()) {
        return new FeatureCollection();
    }

    final Map<Long, Map<String, Object>> permitZones = getPermitZones(harvestPermit, huntingYear, species);
    final FeatureCollection combinedFeatures = zoneRepository.getCombinedFeatures(
            permitZones.keySet(), GISUtils.SRID.WGS84, SIMPLIFY_AMOUNT);

    combinedFeatures.forEach(feature -> {
        final long zoneId = Long.parseLong(feature.getId());

        Optional.ofNullable(permitZones.get(zoneId))
                .ifPresent(props -> feature.getProperties().putAll(props));
    });

    return combinedFeatures;
}
 

import org.geojson.FeatureCollection; //导入依赖的package包/类
public static void main(String[] args) {
    final ObjectMapper objectMapper = new ObjectMapper();

    final Path source = Paths.get(System.getenv("HOME") + "/area.json");
    final Path target = Paths.get(System.getenv("HOME") + "/gmapsupp.mp");

    try (final InputStream is = new FileInputStream(source.toFile());
         final BufferedInputStream bis = new BufferedInputStream(is)) {
        final HuntingClubAreaDTO area = new HuntingClubAreaDTO();
        area.setId(1L);
        area.setNameFI("omariista");
        final FeatureCollection featureCollection = objectMapper.readValue(bis, FeatureCollection.class);
        final String content = new GarminPolishFormatConverter(featureCollection, area).export();

        System.out.println(content);

        Files.write(target, content.getBytes(StandardCharsets.ISO_8859_1));

    } catch (IOException e) {
        e.printStackTrace();
    }
}
 

import org.geojson.FeatureCollection; //导入依赖的package包/类
public PalstaFeatureCollection(final FeatureCollection featureCollection,
                               final List<Integer> currentList) {
    this.current = Ints.toArray(currentList);

    final List<Feature> palstaFeatures = featureCollection.getFeatures().stream()
            .filter(f -> f.getId() != null && DIGIT_MATCHER.matchesAllOf(f.getId()))
            .collect(toList());

    this.toRetain = palstaFeatures.stream()
            .mapToInt(f -> Integer.parseInt(f.getId()))
            .toArray();

    this.toReplace = palstaFeatures.stream()
            .filter(f -> Boolean.TRUE.equals(f.getProperty(GeoJSONConstants.PROPERTY_FIXED)))
            .mapToInt(f -> Integer.parseInt(f.getId()))
            .toArray();
}
 

import org.geojson.FeatureCollection; //导入依赖的package包/类
@Nonnull
public FeatureCollection execute(final Set<Long> zoneIds, final GISUtils.SRID srid, final double simplifyAmount) {
    final FeatureCollection featureCollection = new FeatureCollection();
    featureCollection.setCrs(srid.getGeoJsonCrs());

    if (zoneIds.isEmpty()) {
        return featureCollection;
    }

    final MapSqlParameterSource params = new MapSqlParameterSource()
            .addValue("zoneIds", zoneIds)
            .addValue("crs", srid.getValue())
            .addValue("simplify", simplifyAmount);

    final List<Feature> features = jdbcOperations.query(SQL, params, (rs, i) -> mapResultToFeature(rs));

    if (features != null) {
        featureCollection.setFeatures(features);
    }

    return featureCollection;
}
 

import org.geojson.FeatureCollection; //导入依赖的package包/类
public FeatureCollection execute(final long zoneId, final GISUtils.SRID srid) {
    final MapSqlParameterSource params = new MapSqlParameterSource()
            .addValue("zoneId", zoneId)
            .addValue("crs", srid.getValue());

    final List<Feature> features = jdbcOperations.query(SQL, params, (resultSet, i) -> {
        final Feature feature = new Feature();
        feature.setId(Long.toString(zoneId));
        feature.setProperty(GeoJSONConstants.PROPERTY_NUMBER, resultSet.getString("property_identifier"));
        feature.setGeometry(GISUtils.parseGeoJSONGeometry(objectMapper, resultSet.getString("geom")));

        return feature;
    });

    final FeatureCollection featureCollection = new FeatureCollection();

    if (features != null) {
        featureCollection.setFeatures(features);
    }

    return featureCollection;
}
 

import org.geojson.FeatureCollection; //导入依赖的package包/类
@RequestMapping(value = "/{id:\\d+}/print",
        method = RequestMethod.POST,
        consumes = MediaType.APPLICATION_FORM_URLENCODED_VALUE)
public ResponseEntity<?> print(@PathVariable final long id,
                               @ModelAttribute @Valid final AreaPrintRequestDTO dto) {
    try {
        final Locale locale = LocaleContextHolder.getLocale();
        final FeatureCollection featureCollection = huntingClubAreaPrintFeature.exportClubAreaFeatures(id, locale);

        final String filename = huntingClubAreaPrintFeature.getClubAreaExportFileName(id, locale);
        final byte[] imageData = huntingClubAreaPrintFeature.printGeoJson(dto, featureCollection);
        final MediaType mediaType = MediaTypeExtras.APPLICATION_PDF;

        return ResponseEntity.ok()
                .contentType(mediaType)
                .contentLength(imageData.length)
                .header(ContentDispositionUtil.HEADER_NAME, ContentDispositionUtil.encodeAttachmentFilename(filename))
                .body(imageData);

    } catch (final Exception ex) {
        LOG.error("Club area map export for printing has failed", ex);

        return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR)
                .body("Kartan tulostus epäonnistui. Yritä myöhemmin uudelleen");
    }
}
 

import org.geojson.FeatureCollection; //导入依赖的package包/类
@RequestMapping(value = "/{id:\\d+}/print",
        method = RequestMethod.POST,
        consumes = MediaType.APPLICATION_FORM_URLENCODED_VALUE)
public ResponseEntity<?> print(@PathVariable final long id,
                               @ModelAttribute @Valid final AreaPrintRequestDTO dto) {
    try {
        final Locale locale = LocaleContextHolder.getLocale();
        final FeatureCollection featureCollection = huntingClubAreaPrintFeature.exportHarvestPermitAreaFeatures(id, locale);

        final String filename = huntingClubAreaPrintFeature.getHarvestPermitAreaExportFileName(id, locale);
        final byte[] imageData = huntingClubAreaPrintFeature.printGeoJson(dto, featureCollection);
        final MediaType mediaType = MediaTypeExtras.APPLICATION_PDF;

        return ResponseEntity.ok()
                .contentType(mediaType)
                .contentLength(imageData.length)
                .header(ContentDispositionUtil.HEADER_NAME, ContentDispositionUtil.encodeAttachmentFilename(filename))
                .body(imageData);

    } catch (final Exception ex) {
        LOG.error("Permit area map export for printing has failed", ex);

        return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR)
                .body("Kartan tulostus epäonnistui. Yritä myöhemmin uudelleen");
    }
}
 

import org.geojson.FeatureCollection; //导入依赖的package包/类
public BoundedDataSet build(final GeoJsonObject data) {
    dataSet = new DataSet();

    if (data instanceof FeatureCollection) {
        processFeatureCollection((FeatureCollection) data);
    } else if (data instanceof GeometryCollection) {
        processGeometryCollection(null, (GeometryCollection) data);
    } else if (data instanceof Feature) {
        processFeature((Feature) data);
    } else {
        processGeometry(null, data);
    }

    Bounds bounds = null;
    for (OsmPrimitive osmPrimitive : dataSet.allPrimitives()) {
        bounds = mergeBounds(bounds, osmPrimitive);
    }
    return new BoundedDataSet(dataSet, bounds);
}
 

import org.geojson.FeatureCollection; //导入依赖的package包/类
@Transactional(readOnly = true)
public FeatureCollection report(int year) {
    if (year < MIN_YEAR || year > MAX_YEAR) {
        throw new IllegalArgumentException("Year must be between" + MIN_YEAR + " and " + MAX_YEAR);
    }

    List<Feature> features = jdbcTemplate.query(SQL, getSqlParameterSource(year, "209"), new RowMapper<Feature>() {
        private final ObjectMapper objectMapper = new ObjectMapper();

        @Override
        public Feature mapRow(ResultSet rs, int rowNum) throws SQLException {
            Feature feature = new Feature();
            feature.getProperties().put("day", rs.getString("day"));
            feature.getProperties().put("gender", rs.getString("gender"));
            feature.getProperties().put("age", rs.getString("age"));
            feature.getProperties().put("luke_status", rs.getString("luke_status"));
            feature.getProperties().put("rhy_code", rs.getString("rhy_code"));
            feature.getProperties().put("rhy_fi", rs.getString("rhy_fi"));
            feature.getProperties().put("rhy_sv", rs.getString("rhy_sv"));
            try {
                feature.setGeometry(objectMapper.readValue(rs.getString("geom"), GeoJsonObject.class));
            } catch (IOException e) {
                throw new RuntimeException(e);
            }
            return feature;
        }
    });

    FeatureCollection featureCollection = new FeatureCollection();
    featureCollection.setFeatures(features);

    Crs crs = new Crs();
    crs.getProperties().put("name", "urn:ogc:def:crs:EPSG::3067");

    featureCollection.setCrs(crs);

    return featureCollection;
}
 

import org.geojson.FeatureCollection; //导入依赖的package包/类
@Transactional(readOnly = true)
public FeatureCollection exportClubAreaFeatures(final long clubAreaId, final Locale locale) {
    final HuntingClubArea huntingClubArea = requireEntityService
            .requireHuntingClubArea(clubAreaId, EntityPermission.READ);
    final GISZone zone = huntingClubArea.getZone();

    if (zone == null) {
        throw new MissingHuntingClubAreaGeometryException();
    }

    final LocalisedString areaName = huntingClubArea.getNameLocalisation();
    final LocalisedString clubName = huntingClubArea.getClub().getNameLocalisation();
    final Date modificationTime = huntingClubArea.getModificationTime();
    return exportClubAreaFeatures(locale, zone, areaName, clubName, modificationTime);
}
 

import org.geojson.FeatureCollection; //导入依赖的package包/类
@Transactional(readOnly = true)
public FeatureCollection exportHarvestPermitAreaFeatures(final long permitAreaId, final Locale locale) {
    final HarvestPermitArea harvestPermitArea = requireEntityService
            .requireHarvestPermitArea(permitAreaId, EntityPermission.READ);
    final GISZone zone = harvestPermitArea.getZone();

    if (zone == null) {
        throw new MissingHuntingClubAreaGeometryException();
    }

    final LocalisedString areaName = harvestPermitArea.getNameLocalisation();
    final LocalisedString clubName = harvestPermitArea.getClub().getNameLocalisation();
    final Date modificationTime = harvestPermitArea.getModificationTime();
    return exportClubAreaFeatures(locale, zone, areaName, clubName, modificationTime);
}