Examples with Reference com.google.api.expr.v1alpha1.Reference used on opensource projects

Example 11 with Reference

use of com.google.api.expr.v1alpha1.Reference in project geotoolkit by Geomatys.

the class FeatureToReferenceConverter method convert.

/**
 * {@inheritDoc}
 */
@Override
public Reference convert(final Feature source, final Map<String, Object> params) throws UnconvertibleObjectException {
    if (params.get(TMP_DIR_PATH) == null) {
        throw new UnconvertibleObjectException("The output directory should be defined.");
    }
    if (source == null) {
        throw new UnconvertibleObjectException("The output directory should be defined.");
    }
    FeatureType ft = null;
    if (source instanceof Feature) {
        ft = source.getType();
    } else {
        throw new UnconvertibleObjectException("The requested output reference data is not an instance of Feature.");
    }
    Reference reference = new Reference();
    reference.setMimeType((String) params.get(MIME));
    reference.setEncoding((String) params.get(ENCODING));
    final String namespace = NamesExt.getNamespace(ft.getName());
    final Map<String, String> schemaLocation = new HashMap<>();
    final String randomFileName = UUID.randomUUID().toString();
    final String tmpDirUrl = (String) params.get(TMP_DIR_URL);
    if (WPSMimeType.APP_GEOJSON.val().equalsIgnoreCase(reference.getMimeType())) {
        // create file
        final Path dataFile = buildPath(params, randomFileName + ".json");
        try {
            try (OutputStream fos = Files.newOutputStream(dataFile);
                GeoJSONStreamWriter writer = new GeoJSONStreamWriter(fos, ft, WPSConvertersUtils.FRACTION_DIGITS)) {
                Feature next = writer.next();
                FeatureExt.copy(source, next, true);
                writer.write();
            }
        } catch (DataStoreException e) {
            throw new UnconvertibleObjectException("Can't write Feature into GeoJSON output stream.", e);
        } catch (IOException e) {
            throw new UnconvertibleObjectException(e);
        }
        final String relLoc = getRelativeLocation(dataFile, params);
        reference.setHref(tmpDirUrl + "/" + relLoc);
        reference.setSchema(null);
    } else if (WPSMimeType.APP_GML.val().equalsIgnoreCase(reference.getMimeType()) || WPSMimeType.TEXT_XML.val().equalsIgnoreCase(reference.getMimeType()) || WPSMimeType.TEXT_GML.val().equalsIgnoreCase(reference.getMimeType())) {
        // Write FeatureType
        try {
            reference.setSchema(WPSConvertersUtils.writeSchema(ft, params));
            schemaLocation.put(namespace, reference.getSchema());
        } catch (JAXBException ex) {
            throw new UnconvertibleObjectException("Can't write FeatureType into xsd schema.", ex);
        } catch (IOException ex) {
            throw new UnconvertibleObjectException("Can't create xsd schema file.", ex);
        }
        // Write Feature
        final XmlFeatureWriter featureWriter = new JAXPStreamFeatureWriter(schemaLocation);
        // create file
        final Path dataFile = buildPath(params, randomFileName + ".xml");
        try (final OutputStream dataStream = Files.newOutputStream(dataFile);
            final AutoCloseable xmlCloser = () -> featureWriter.dispose()) {
            // Write feature in file
            featureWriter.write(source, dataStream);
            final String relLoc = getRelativeLocation(dataFile, params);
            reference.setHref(tmpDirUrl + "/" + relLoc);
        } catch (XMLStreamException ex) {
            throw new UnconvertibleObjectException("Stax exception while writing the feature collection", ex);
        } catch (DataStoreException ex) {
            throw new UnconvertibleObjectException("FeatureStore exception while writing the feature collection", ex);
        } catch (FeatureStoreRuntimeException ex) {
            throw new UnconvertibleObjectException("FeatureStoreRuntimeException exception while writing the feature collection", ex);
        } catch (Exception ex) {
            throw new UnconvertibleObjectException(ex);
        }
    } else
        throw new UnconvertibleObjectException("Unsupported mime-type for " + this.getClass().getName() + " : " + reference.getMimeType());
    return reference;
}

Example 12 with Reference

use of com.google.api.expr.v1alpha1.Reference in project geotoolkit by Geomatys.

the class FeatureTypeToReferenceConverter method convert.

/**
 * {@inheritDoc}
 */
@Override
public Reference convert(final FeatureType source, final Map<String, Object> params) throws UnconvertibleObjectException {
    if (params.get(TMP_DIR_PATH) == null) {
        throw new UnconvertibleObjectException("The output directory should be defined.");
    }
    if (source == null) {
        throw new UnconvertibleObjectException("The output directory should be defined.");
    }
    Reference reference = new Reference();
    reference.setMimeType((String) params.get(MIME));
    reference.setEncoding((String) params.get(ENCODING));
    reference.setSchema((String) params.get(SCHEMA));
    reference.setMimeType((String) params.get(MIME));
    reference.setEncoding((String) params.get(ENCODING));
    final String randomFileName = UUID.randomUUID().toString();
    // Write FeatureType
    try {
        final String schemaFileName = randomFileName + "_schema" + ".xsd";
        // create file
        final Path schemaFile = buildPath(params, schemaFileName);
        final OutputStream schemaStream = Files.newOutputStream(schemaFile);
        // write featureType xsd on file
        final JAXBFeatureTypeWriter xmlFTWriter = new JAXBFeatureTypeWriter();
        xmlFTWriter.write(source, schemaStream);
        final String relLoc = getRelativeLocation(schemaFile, params);
        reference.setHref((String) params.get(TMP_DIR_URL) + "/" + relLoc);
    } catch (JAXBException ex) {
        throw new UnconvertibleObjectException("Can't write FeatureType into xsd schema.", ex);
    } catch (IOException ex) {
        throw new UnconvertibleObjectException("Can't create xsd schema file.", ex);
    }
    return reference;
}

Example 13 with Reference

use of com.google.api.expr.v1alpha1.Reference in project geotoolkit by Geomatys.

the class GeometryToReferenceConverter method convert.

/**
 * {@inheritDoc}
 */
@Override
public Reference convert(final Geometry source, final Map<String, Object> params) throws UnconvertibleObjectException {
    if (params.get(TMP_DIR_PATH) == null) {
        throw new UnconvertibleObjectException("The output directory should be defined.");
    }
    if (source == null) {
        throw new UnconvertibleObjectException("The output data should be defined.");
    }
    if (!(source instanceof Geometry)) {
        throw new UnconvertibleObjectException("The geometry is not an JTS geometry.");
    }
    Reference reference = new Reference();
    reference.setMimeType((String) params.get(MIME));
    reference.setEncoding((String) params.get(ENCODING));
    reference.setSchema((String) params.get(SCHEMA));
    String gmlVersion = (String) params.get(GMLVERSION);
    if (gmlVersion == null) {
        gmlVersion = "3.1.1";
    }
    final String randomPathName = UUID.randomUUID().toString() + getFileExtension(reference.getMimeType());
    final Path geometryFile = buildPath(params, randomPathName);
    final String tmpDirUrl = (String) params.get(TMP_DIR_URL);
    OutputStream geometryStream = null;
    try {
        geometryStream = Files.newOutputStream(geometryFile);
        if (WPSMimeType.APP_GML.val().equalsIgnoreCase(reference.getMimeType()) || WPSMimeType.TEXT_XML.val().equalsIgnoreCase(reference.getMimeType()) || WPSMimeType.TEXT_GML.val().equalsIgnoreCase(reference.getMimeType()) || reference.getMimeType() == null) {
            // default to XML
            final Marshaller m = WPSMarshallerPool.getInstance().acquireMarshaller();
            m.marshal(JTStoGeometry.toGML(gmlVersion, source), geometryStream);
            final String relLoc = getRelativeLocation(geometryFile, params);
            reference.setHref(tmpDirUrl + '/' + relLoc.replace('\\', '/'));
            WPSMarshallerPool.getInstance().recycle(m);
        } else if (WPSMimeType.APP_GEOJSON.val().equalsIgnoreCase(reference.getMimeType())) {
            GeoJSONStreamWriter.writeSingleGeometry(geometryStream, source, JsonEncoding.UTF8, WPSConvertersUtils.FRACTION_DIGITS, true);
            final String relLoc = getRelativeLocation(geometryFile, params);
            reference.setHref(tmpDirUrl + '/' + relLoc.replace('\\', '/'));
        } else {
            throw new UnconvertibleObjectException("Unsupported mime-type for " + this.getClass().getName() + " : " + reference.getMimeType());
        }
    } catch (FactoryException ex) {
        throw new UnconvertibleObjectException("Can't convert the JTS geometry to OpenGIS.", ex);
    } catch (FileNotFoundException ex) {
        throw new UnconvertibleObjectException("Can't create output reference file.", ex);
    } catch (JAXBException ex) {
        throw new UnconvertibleObjectException("JAXB exception while writing the geometry", ex);
    } catch (IOException ex) {
        throw new UnconvertibleObjectException(ex);
    } finally {
        try {
            if (geometryStream != null)
                geometryStream.close();
        } catch (IOException ex) {
            throw new UnconvertibleObjectException("Can't close the output reference file stream.", ex);
        }
    }
    return reference;
}

Example 14 with Reference

use of com.google.api.expr.v1alpha1.Reference in project geotoolkit by Geomatys.

the class NumberToReferenceConverter method convert.

@Override
public Reference convert(final Number source, final Map<String, Object> params) throws UnconvertibleObjectException {
    if (params.get(TMP_DIR_PATH) == null) {
        throw new UnconvertibleObjectException("The output directory should be defined.");
    }
    if (source == null) {
        throw new UnconvertibleObjectException("The output data should be defined.");
    }
    Reference reference = new Reference();
    reference.setMimeType((String) params.get(MIME));
    reference.setEncoding((String) params.get(ENCODING));
    reference.setSchema((String) params.get(SCHEMA));
    reference.setMimeType("text/plain");
    reference.setEncoding("UTF-8");
    reference.setSchema(null);
    final String randomFileName = UUID.randomUUID().toString();
    try {
        // create file
        final Path literalFile = buildPath(params, randomFileName);
        IOUtilities.writeString(String.valueOf(source), literalFile);
        final String relLoc = getRelativeLocation(literalFile, params);
        reference.setHref((String) params.get(TMP_DIR_URL) + "/" + relLoc);
    } catch (IOException ex) {
        throw new UnconvertibleObjectException("Error occurs during string writing.", ex);
    }
    return reference;
}

Example 15 with Reference

use of com.google.api.expr.v1alpha1.Reference in project geotoolkit by Geomatys.

the class UriToReferenceConverter method convert.

@Override
public Reference convert(URI source, Map<String, Object> params) throws UnconvertibleObjectException {
    if (source == null)
        return null;
    final Reference reference = new Reference();
    reference.setHref(source.toString());
    mapParameters(reference, params);
    return reference;
}