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org.n52.svalbard.encode.SamplingEncoderv100 Maven / Gradle / Ivy
/*
* Copyright 2015-2020 52°North Initiative for Geospatial Open Source
* Software GmbH
*
* 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.n52.svalbard.encode;
import java.util.Collections;
import java.util.Map;
import java.util.Set;
import org.apache.xmlbeans.XmlObject;
import org.joda.time.DateTime;
import org.locationtech.jts.geom.Geometry;
import org.locationtech.jts.geom.LineString;
import org.locationtech.jts.geom.Point;
import org.locationtech.jts.geom.Polygon;
import org.n52.shetland.ogc.OGCConstants;
import org.n52.shetland.ogc.SupportedType;
import org.n52.shetland.ogc.gml.AbstractFeature;
import org.n52.shetland.ogc.gml.AbstractMetaData;
import org.n52.shetland.ogc.gml.CodeType;
import org.n52.shetland.ogc.gml.GmlConstants;
import org.n52.shetland.ogc.om.features.FeatureCollection;
import org.n52.shetland.ogc.om.features.SfConstants;
import org.n52.shetland.ogc.om.features.samplingFeatures.AbstractSamplingFeature;
import org.n52.shetland.ogc.sos.FeatureType;
import org.n52.shetland.util.CollectionHelper;
import org.n52.shetland.w3c.SchemaLocation;
import org.n52.svalbard.decode.exception.DecodingException;
import org.n52.svalbard.encode.exception.EncodingException;
import org.n52.svalbard.encode.exception.UnsupportedEncoderInputException;
import org.n52.svalbard.util.CodingHelper;
import org.n52.svalbard.util.XmlHelper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.common.base.Joiner;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Sets;
import net.opengis.gml.FeaturePropertyType;
import net.opengis.sampling.x10.SamplingCurveDocument;
import net.opengis.sampling.x10.SamplingCurveType;
import net.opengis.sampling.x10.SamplingFeatureCollectionDocument;
import net.opengis.sampling.x10.SamplingFeatureCollectionType;
import net.opengis.sampling.x10.SamplingFeaturePropertyType;
import net.opengis.sampling.x10.SamplingFeatureType;
import net.opengis.sampling.x10.SamplingPointDocument;
import net.opengis.sampling.x10.SamplingPointType;
import net.opengis.sampling.x10.SamplingSurfaceDocument;
import net.opengis.sampling.x10.SamplingSurfaceType;
/**
* @since 1.0.0
*
*/
public class SamplingEncoderv100
extends AbstractXmlEncoder {
private static final Logger LOGGER = LoggerFactory.getLogger(SamplingEncoderv100.class);
private static final Set ENCODER_KEYS =
CollectionHelper.union(CodingHelper.encoderKeysForElements(SfConstants.NS_SA, AbstractFeature.class));
// TODO here also the question, sa:samplingPoint sampling/1.0 vs 2.0 mapping
// or not and where and how to handle
private static final Set SUPPORTED_TYPES =
ImmutableSet.of(new FeatureType(OGCConstants.UNKNOWN), new FeatureType(SfConstants.EN_SAMPLINGPOINT),
new FeatureType(SfConstants.EN_SAMPLINGSURFACE), new FeatureType(SfConstants.EN_SAMPLINGCURVE));
public SamplingEncoderv100() {
LOGGER.debug("Encoder for the following keys initialized successfully: {}!",
Joiner.on(", ").join(ENCODER_KEYS));
}
@Override
public Set getKeys() {
return Collections.unmodifiableSet(ENCODER_KEYS);
}
@Override
public Set getSupportedTypes() {
return Collections.unmodifiableSet(SUPPORTED_TYPES);
}
@Override
public void addNamespacePrefixToMap(Map nameSpacePrefixMap) {
nameSpacePrefixMap.put(SfConstants.NS_SA, SfConstants.NS_SA_PREFIX);
}
@Override
public Set getSchemaLocations() {
return Sets.newHashSet(SfConstants.SA_SCHEMA_LOCATION);
}
@Override
public XmlObject encode(AbstractFeature abstractFeature, EncodingContext context) throws EncodingException {
XmlObject encodedObject = createFeature(abstractFeature);
if (LOGGER.isDebugEnabled()) {
try {
LOGGER.debug("Encoded object {} is valid: {}", encodedObject.schemaType().toString(),
XmlHelper.validateDocument(encodedObject));
} catch (DecodingException e) {
throw new EncodingException(e);
}
}
return encodedObject;
}
private XmlObject createFeature(AbstractFeature absFeature) throws EncodingException {
if (absFeature instanceof AbstractSamplingFeature) {
AbstractSamplingFeature sampFeat = (AbstractSamplingFeature) absFeature;
if (sampFeat.getFeatureType().equals(SfConstants.FT_SAMPLINGPOINT)
|| sampFeat.getFeatureType().equals(SfConstants.SAMPLING_FEAT_TYPE_SF_SAMPLING_POINT)
|| sampFeat.getGeometry() instanceof Point) {
SamplingPointDocument xbSamplingPointDoc = SamplingPointDocument.Factory.newInstance(getXmlOptions());
SamplingPointType xbSamplingPoint = xbSamplingPointDoc.addNewSamplingPoint();
addValuesToFeature(xbSamplingPoint, sampFeat);
XmlObject xbGeomety = getEncodedGeometry(sampFeat.getGeometry(), absFeature.getGmlId());
xbSamplingPoint.addNewPosition().addNewPoint().set(xbGeomety);
sampFeat.wasEncoded();
return xbSamplingPointDoc;
} else if (sampFeat.getFeatureType().equals(SfConstants.FT_SAMPLINGCURVE)
|| sampFeat.getFeatureType().equals(SfConstants.SAMPLING_FEAT_TYPE_SF_SAMPLING_CURVE)
|| sampFeat.getGeometry() instanceof LineString) {
SamplingCurveDocument xbSamplingCurveDoc = SamplingCurveDocument.Factory.newInstance(getXmlOptions());
SamplingCurveType xbSamplingCurve = xbSamplingCurveDoc.addNewSamplingCurve();
addValuesToFeature(xbSamplingCurve, sampFeat);
XmlObject xbGeomety = getEncodedGeometry(sampFeat.getGeometry(), absFeature.getGmlId());
xbSamplingCurve.addNewShape().addNewCurve().set(xbGeomety);
sampFeat.wasEncoded();
return xbSamplingCurveDoc;
} else if (sampFeat.getFeatureType().equals(SfConstants.FT_SAMPLINGSURFACE)
|| sampFeat.getFeatureType().equals(SfConstants.SAMPLING_FEAT_TYPE_SF_SAMPLING_SURFACE)
|| sampFeat.getGeometry() instanceof Polygon) {
SamplingSurfaceDocument xbSamplingSurfaceDoc =
SamplingSurfaceDocument.Factory.newInstance(getXmlOptions());
SamplingSurfaceType xbSamplingSurface = xbSamplingSurfaceDoc.addNewSamplingSurface();
addValuesToFeature(xbSamplingSurface, sampFeat);
XmlObject xbGeomety = getEncodedGeometry(sampFeat.getGeometry(), absFeature.getGmlId());
xbSamplingSurface.addNewShape().addNewSurface().set(xbGeomety);
sampFeat.wasEncoded();
return xbSamplingSurfaceDoc;
}
} else if (absFeature instanceof FeatureCollection) {
createFeatureCollection((FeatureCollection) absFeature);
}
throw new UnsupportedEncoderInputException(this, absFeature);
}
private XmlObject getEncodedGeometry(Geometry geometry, String gmlId)
throws UnsupportedEncoderInputException, EncodingException {
Encoder encoder = getEncoder(getEncoderKey(GmlConstants.NS_GML, geometry));
if (encoder != null) {
return encoder.encode(geometry, EncodingContext.of(XmlBeansEncodingFlags.GMLID, gmlId));
} else {
throw new EncodingException("Error while encoding geometry for feature, needed encoder is missing!");
}
}
private void addValuesToFeature(SamplingFeatureType xbSamplingFeature, AbstractSamplingFeature sampFeat)
throws EncodingException {
xbSamplingFeature.setId(sampFeat.getGmlId());
if (sampFeat.isSetIdentifier()) {
sampFeat.getIdentifierCodeWithAuthority().setCodeSpace("uniquID");
xbSamplingFeature.addNewName()
.set(encodeObjectToXml(GmlConstants.NS_GML, sampFeat.getIdentifierCodeWithAuthority()));
}
if (sampFeat.isSetName()) {
for (CodeType sosName : sampFeat.getName()) {
xbSamplingFeature.addNewName().set(encodeObjectToXml(GmlConstants.NS_GML, sosName));
}
}
// set sampledFeatures
// TODO: CHECK
if (sampFeat.getSampledFeatures() != null && !sampFeat.getSampledFeatures().isEmpty()) {
for (AbstractFeature sampledFeature : sampFeat.getSampledFeatures()) {
FeaturePropertyType sp = xbSamplingFeature.addNewSampledFeature();
sp.setHref(sampledFeature.getIdentifier());
if (sampFeat.isSetName() && sampFeat.getFirstName().isSetValue()) {
sp.setTitle(sampFeat.getFirstName().getValue());
}
// xbSamplingFeature.addNewSampledFeature().set(createFeature(sampledFeature));
}
} else {
xbSamplingFeature.addNewSampledFeature().setHref(GmlConstants.NIL_UNKNOWN);
}
// set metadataProperty
setMetaDataProperty(xbSamplingFeature, sampFeat);
}
private void setMetaDataProperty(SamplingFeatureType sft, AbstractSamplingFeature sampFeat)
throws EncodingException {
if (sampFeat.isSetMetaDataProperty()) {
for (AbstractMetaData abstractMetaData : sampFeat.getMetaDataProperty()) {
XmlObject encodeObject = encodeObjectToXml(GmlConstants.NS_GML, abstractMetaData);
sft.addNewMetaDataProperty().set(encodeObject);
// XmlObject substituteElement = XmlHelper.substituteElement(
// sft.addNewMetaDataProperty().addNewAbstractMetaData(),
// encodeObject);
// substituteElement.set(encodeObject);
}
}
}
private XmlObject createFeatureCollection(FeatureCollection sosFeatureCollection) throws EncodingException {
SamplingFeatureCollectionDocument xbSampFeatCollDoc =
SamplingFeatureCollectionDocument.Factory.newInstance(getXmlOptions());
SamplingFeatureCollectionType xbSampFeatColl = xbSampFeatCollDoc.addNewSamplingFeatureCollection();
xbSampFeatColl.setId("sfc_" + Long.toString(new DateTime().getMillis()));
for (AbstractFeature sosAbstractFeature : sosFeatureCollection.getMembers().values()) {
SamplingFeaturePropertyType xbFeatMember = xbSampFeatColl.addNewMember();
xbFeatMember.set(createFeature(sosAbstractFeature));
}
return xbSampFeatCollDoc;
}
}
