Examples with ExportOp org.locationtech.geogig.geotools.plumbing.ExportOp used on opensource projects

Example 6 with ExportOp

use of org.locationtech.geogig.geotools.plumbing.ExportOp in project GeoGig by boundlessgeo.

the class OSMExportSL method exportRule.

private void exportRule(final MappingRule rule, final GeogigCLI cli) throws IOException {
    Function<Feature, Optional<Feature>> function = new Function<Feature, Optional<Feature>>() {

        @Override
        public Optional<Feature> apply(Feature feature) {
            Optional<Feature> mapped = rule.apply(feature);
            return mapped;
        }
    };
    SimpleFeatureType outputFeatureType = rule.getFeatureType();
    String path = getOriginTreesFromOutputFeatureType(outputFeatureType);
    DataStore dataStore = getDataStore();
    try {
        final String tableName = ensureTableExists(outputFeatureType, dataStore);
        final SimpleFeatureSource source = dataStore.getFeatureSource(tableName);
        if (!(source instanceof SimpleFeatureStore)) {
            throw new CommandFailedException("Could not create feature store.");
        }
        final SimpleFeatureStore store = (SimpleFeatureStore) source;
        if (overwrite) {
            try {
                store.removeFeatures(Filter.INCLUDE);
            } catch (IOException e) {
                throw new CommandFailedException("Error truncating table " + tableName, e);
            }
        }
        ExportOp op = cli.getGeogig().command(ExportOp.class).setFeatureStore(store).setPath(path).setFeatureTypeConversionFunction(function);
        try {
            op.setProgressListener(cli.getProgressListener()).call();
            cli.getConsole().println("OSM data exported successfully to " + tableName);
        } catch (IllegalArgumentException iae) {
            throw new InvalidParameterException(iae.getMessage(), iae);
        } catch (GeoToolsOpException e) {
            throw new CommandFailedException("Could not export. Error:" + e.statusCode.name(), e);
        }
    } finally {
        dataStore.dispose();
    }
}

Example 7 with ExportOp

use of org.locationtech.geogig.geotools.plumbing.ExportOp in project GeoGig by boundlessgeo.

the class OracleExport method runInternal.

/**
     * Executes the export command using the provided options.
     * 
     * @param cli
     */
@Override
protected void runInternal(GeogigCLI cli) throws IOException {
    if (args.isEmpty()) {
        printUsage(cli);
        throw new CommandFailedException();
    }
    String path = args.get(0);
    String tableName = args.get(1);
    checkParameter(tableName != null && !tableName.isEmpty(), "No table name specified");
    DataStore dataStore = getDataStore();
    ObjectId featureTypeId = null;
    if (!Arrays.asList(dataStore.getTypeNames()).contains(tableName)) {
        SimpleFeatureType outputFeatureType;
        if (sFeatureTypeId != null) {
            // Check the feature type id string is a correct id
            Optional<ObjectId> id = cli.getGeogig().command(RevParse.class).setRefSpec(sFeatureTypeId).call();
            checkParameter(id.isPresent(), "Invalid feature type reference", sFeatureTypeId);
            TYPE type = cli.getGeogig().command(ResolveObjectType.class).setObjectId(id.get()).call();
            checkParameter(type.equals(TYPE.FEATURETYPE), "Provided reference does not resolve to a feature type: ", sFeatureTypeId);
            outputFeatureType = (SimpleFeatureType) cli.getGeogig().command(RevObjectParse.class).setObjectId(id.get()).call(RevFeatureType.class).get().type();
            featureTypeId = id.get();
        } else {
            try {
                SimpleFeatureType sft = getFeatureType(path, cli);
                outputFeatureType = new SimpleFeatureTypeImpl(new NameImpl(tableName), sft.getAttributeDescriptors(), sft.getGeometryDescriptor(), sft.isAbstract(), sft.getRestrictions(), sft.getSuper(), sft.getDescription());
            } catch (GeoToolsOpException e) {
                throw new CommandFailedException("No features to export.", e);
            }
        }
        try {
            dataStore.createSchema(outputFeatureType);
        } catch (IOException e) {
            throw new CommandFailedException("Cannot create new table in database", e);
        }
    } else {
        if (!overwrite) {
            throw new CommandFailedException("The selected table already exists. Use -o to overwrite");
        }
    }
    SimpleFeatureSource featureSource = dataStore.getFeatureSource(tableName);
    if (!(featureSource instanceof SimpleFeatureStore)) {
        throw new CommandFailedException("Can't write to the selected table");
    }
    SimpleFeatureStore featureStore = (SimpleFeatureStore) featureSource;
    if (overwrite) {
        try {
            featureStore.removeFeatures(Filter.INCLUDE);
        } catch (IOException e) {
            throw new CommandFailedException("Error accessing table: " + e.getMessage(), e);
        }
    }
    ExportOp op = cli.getGeogig().command(ExportOp.class).setFeatureStore(featureStore).setPath(path).setFilterFeatureTypeId(featureTypeId).setAlter(alter);
    if (defaultType) {
        op.exportDefaultFeatureType();
    }
    try {
        op.setProgressListener(cli.getProgressListener()).call();
    } catch (IllegalArgumentException iae) {
        throw new org.locationtech.geogig.cli.InvalidParameterException(iae.getMessage(), iae);
    } catch (GeoToolsOpException e) {
        switch(e.statusCode) {
            case MIXED_FEATURE_TYPES:
                throw new CommandFailedException("The selected tree contains mixed feature types. Use --defaulttype or --featuretype <feature_type_ref> to export.", e);
            default:
                throw new CommandFailedException("Could not export. Error:" + e.statusCode.name(), e);
        }
    }
    cli.getConsole().println(path + " exported successfully to " + tableName);
}

Example 8 with ExportOp

use of org.locationtech.geogig.geotools.plumbing.ExportOp in project GeoGig by boundlessgeo.

the class GeoJsonExport method runInternal.

/**
     * Executes the export command using the provided options.
     */
@Override
protected void runInternal(GeogigCLI cli) throws InvalidParameterException, CommandFailedException, IOException {
    if (args.isEmpty()) {
        printUsage(cli);
        throw new CommandFailedException();
    }
    String path = args.get(0);
    String geojson = args.get(1);
    File file = new File(geojson);
    if (file.exists() && !overwrite) {
        throw new CommandFailedException("The selected GeoJSON file already exists. Use -o to overwrite");
    }
    SimpleFeatureType outputFeatureType;
    ObjectId featureTypeId;
    if (sFeatureTypeId != null) {
        // Check the feature type id string is a correct id
        Optional<ObjectId> id = cli.getGeogig().command(RevParse.class).setRefSpec(sFeatureTypeId).call();
        checkParameter(id.isPresent(), "Invalid feature type reference", sFeatureTypeId);
        TYPE type = cli.getGeogig().command(ResolveObjectType.class).setObjectId(id.get()).call();
        checkParameter(type.equals(TYPE.FEATURETYPE), "Provided reference does not resolve to a feature type: ", sFeatureTypeId);
        outputFeatureType = (SimpleFeatureType) cli.getGeogig().command(RevObjectParse.class).setObjectId(id.get()).call(RevFeatureType.class).get().type();
        featureTypeId = id.get();
    } else {
        try {
            outputFeatureType = getFeatureType(path, cli);
            featureTypeId = null;
        } catch (GeoToolsOpException e) {
            cli.getConsole().println("No features to export.");
            return;
        }
    }
    DataStore dataStore = new MemoryDataStore(outputFeatureType);
    final String typeName = dataStore.getTypeNames()[0];
    final SimpleFeatureSource featureSource = dataStore.getFeatureSource(typeName);
    if (!(featureSource instanceof SimpleFeatureStore)) {
        throw new CommandFailedException("Could not create feature store.");
    }
    final SimpleFeatureStore featureStore = (SimpleFeatureStore) featureSource;
    ExportOp op = cli.getGeogig().command(ExportOp.class).setFeatureStore(featureStore).setPath(path).setFilterFeatureTypeId(featureTypeId).setAlter(alter);
    op.setTransactional(false);
    if (defaultType) {
        op.exportDefaultFeatureType();
    }
    FileWriter writer = null;
    try {
        op.setProgressListener(cli.getProgressListener()).call();
        FeatureJSON fjson = new FeatureJSON();
        @SuppressWarnings("rawtypes") FeatureCollection fc = featureSource.getFeatures();
        writer = new FileWriter(file);
        fjson.writeFeatureCollection(fc, writer);
    } catch (IllegalArgumentException iae) {
        throw new org.locationtech.geogig.cli.InvalidParameterException(iae.getMessage(), iae);
    } catch (GeoToolsOpException e) {
        file.delete();
        switch(e.statusCode) {
            case MIXED_FEATURE_TYPES:
                throw new CommandFailedException("Error: The selected tree contains mixed feature types. Use --defaulttype or --featuretype <feature_type_ref> to export.", e);
            default:
                throw new CommandFailedException("Could not export. Error:" + e.statusCode.name(), e);
        }
    } finally {
        writer.flush();
        writer.close();
    }
    cli.getConsole().println(path + " exported successfully to " + geojson);
}

Example 9 with ExportOp

use of org.locationtech.geogig.geotools.plumbing.ExportOp in project GeoGig by boundlessgeo.

the class OSMExportShp method exportRule.

private void exportRule(final MappingRule rule, final GeogigCLI cli, final File shapeFile) throws IOException {
    if (shapeFile.exists() && !overwrite) {
        throw new CommandFailedException("The selected shapefile already exists. Use -o to overwrite");
    }
    Function<Feature, Optional<Feature>> function = new Function<Feature, Optional<Feature>>() {

        @Override
        @Nullable
        public Optional<Feature> apply(@Nullable Feature feature) {
            Optional<Feature> mapped = rule.apply(feature);
            return mapped;
        }
    };
    SimpleFeatureType outputFeatureType = rule.getFeatureType();
    String path = getOriginTreesFromOutputFeatureType(outputFeatureType);
    ShapefileDataStoreFactory dataStoreFactory = new ShapefileDataStoreFactory();
    Map<String, Serializable> params = new HashMap<String, Serializable>();
    params.put(ShapefileDataStoreFactory.URLP.key, shapeFile.toURI().toURL());
    params.put(ShapefileDataStoreFactory.CREATE_SPATIAL_INDEX.key, Boolean.TRUE);
    DataStore dataStore = dataStoreFactory.createNewDataStore(params);
    try {
        dataStore.createSchema(outputFeatureType);
        final String typeName = dataStore.getTypeNames()[0];
        final SimpleFeatureSource source = dataStore.getFeatureSource(typeName);
        checkParameter(source instanceof SimpleFeatureStore, "Could not create feature store. Shapefile may be read only");
        final SimpleFeatureStore store = (SimpleFeatureStore) source;
        ExportOp op = cli.getGeogig().command(ExportOp.class).setFeatureStore(store).setPath(path).setFeatureTypeConversionFunction(function);
        try {
            op.setProgressListener(cli.getProgressListener()).call();
            cli.getConsole().println("OSM data exported successfully to " + shapeFile);
        } catch (IllegalArgumentException iae) {
            shapeFile.delete();
            throw new org.locationtech.geogig.cli.InvalidParameterException(iae.getMessage(), iae);
        } catch (GeoToolsOpException e) {
            shapeFile.delete();
            throw new CommandFailedException("Could not export. Error:" + e.statusCode.name(), e);
        }
    } finally {
        dataStore.dispose();
    }
}