/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2007-2011, Open Source Geospatial Foundation (OSGeo)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*/
package org.geotools.data.complex;
import java.io.IOException;
import java.net.URL;
import java.util.Calendar;
import java.util.Collection;
import java.util.Collections;
import java.util.Date;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.TimeZone;
import java.util.Map.Entry;
import java.util.logging.Level;
import java.util.logging.Logger;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertSame;
import org.geotools.data.DataAccess;
import org.geotools.data.DataAccessFinder;
import org.geotools.data.FeatureSource;
import org.geotools.data.complex.config.AppSchemaDataAccessConfigurator;
import org.geotools.data.complex.config.AppSchemaDataAccessDTO;
import org.geotools.data.complex.config.EmfAppSchemaReader;
import org.geotools.data.complex.config.AppSchemaFeatureTypeRegistry;
import org.geotools.data.complex.config.XMLConfigDigester;
import org.geotools.feature.FeatureCollection;
import org.geotools.feature.FeatureIterator;
import org.geotools.feature.NameImpl;
import org.geotools.feature.Types;
import org.geotools.filter.FilterFactoryImplNamespaceAware;
import org.geotools.gml3.GML;
import org.geotools.test.AppSchemaTestSupport;
import org.geotools.xlink.XLINK;
import org.geotools.xml.SchemaIndex;
import org.junit.Before;
import org.junit.Test;
import org.opengis.feature.Attribute;
import org.opengis.feature.Feature;
import org.opengis.feature.type.AttributeDescriptor;
import org.opengis.feature.type.AttributeType;
import org.opengis.feature.type.ComplexType;
import org.opengis.feature.type.FeatureType;
import org.opengis.feature.type.Name;
import org.opengis.filter.FilterFactory;
import org.opengis.filter.expression.Expression;
import org.opengis.filter.expression.PropertyName;
import org.xml.sax.Attributes;
import org.xml.sax.helpers.NamespaceSupport;
/**
* DOCUMENT ME!
*
* @author Rob Atkinson
* @version $Id$
*
*
*
* @source $URL$
* @since 2.4
*/
public class TimeSeriesTest extends AppSchemaTestSupport {
private static final Logger LOGGER = org.geotools.util.logging.Logging
.getLogger(TimeSeriesTest.class.getPackage().getName());
private static final String AWNS = "http://www.water.gov.au/awdip";
private static final String CVNS = "http://www.opengis.net/cv/0.2.1";
private static final String SANS = "http://www.opengis.net/sampling/1.0";
private static final String OMNS = "http://www.opengis.net/om/1.0";
private static final String SWENS = "http://www.opengis.net/swe/1.0.1";
private static final String GMLNS = "http://www.opengis.net/gml";
// private static final String GEONS =
// "http://www.seegrid.csiro.au/xml/geometry";
final String schemaBase = "/test-data/";
EmfAppSchemaReader reader;
private FeatureSource<FeatureType, Feature> source;
/**
* DOCUMENT ME!
*
* @throws Exception
* DOCUMENT ME!
*/
@Before
public void setUp() throws Exception {
reader = EmfAppSchemaReader.newInstance();
// Logging.GEOTOOLS.forceMonolineConsoleOutput(Level.FINEST);
}
/**
* DOCUMENT ME!
*
* @param location
* schema location path discoverable through getClass().getResource()
* @return
*
* @throws IOException
* DOCUMENT ME!
*/
private SchemaIndex loadSchema(URL location) throws IOException {
URL catalogLocation = getClass().getResource(schemaBase + "observations.oasis.xml");
reader.setResolver(catalogLocation);
return reader.parse(location);
}
/**
* Tests if the schema-to-FM parsing code developed for complex datastore configuration loading
* can parse the GeoSciML types
*
* @throws Exception
*/
@Test
public void testParseSchema() throws Exception {
SchemaIndex schemaIndex;
try {
String schemaLocation = schemaBase + "commonSchemas_new/awdip.xsd";
URL location = getClass().getResource(schemaLocation);
assertNotNull(location);
schemaIndex = loadSchema(location);
} catch (Exception e) {
e.printStackTrace();
throw e;
}
final AppSchemaFeatureTypeRegistry typeRegistry = new AppSchemaFeatureTypeRegistry();
try {
typeRegistry.addSchemas(schemaIndex);
final Name typeName = Types.typeName(AWNS, "SiteSinglePhenomTimeSeriesType");
final ComplexType testType = (ComplexType) typeRegistry.getAttributeType(typeName);
assertNotNull(testType);
assertTrue(testType instanceof FeatureType);
AttributeType superType = testType.getSuper();
assertNotNull(superType);
Name superTypeName = Types.typeName(AWNS, "SamplingSitePurposeType");
assertEquals(superTypeName, superType.getName());
// assertTrue(superType instanceof FeatureType);
// ensure all needed types were parsed and aren't just empty proxies
Map samplingProperties = new HashMap();
// from gml:AbstractFeatureType
samplingProperties.put(name(GMLNS, "metaDataProperty"), typeName(GMLNS,
"MetaDataPropertyType"));
samplingProperties.put(name(GMLNS, "description"), typeName(GMLNS, "StringOrRefType"));
samplingProperties.put(name(GMLNS, "name"), typeName(GMLNS, "CodeType"));
samplingProperties.put(name(GMLNS, "boundedBy"), typeName(GMLNS, "BoundingShapeType"));
samplingProperties.put(name(GMLNS, "location"), typeName(GMLNS, "LocationPropertyType"));
// aw:SamplingSiteType
samplingProperties.put(name(AWNS, "samplingRegimeType"), Types.toTypeName(GML.CodeType));
samplingProperties.put(name(AWNS, "waterBodyType"), Types.toTypeName(GML.CodeType));
samplingProperties.put(name(AWNS, "accessTypeCode"), Types.toTypeName(GML.CodeType));
// sa:SamplingPointType
samplingProperties.put(name(SANS, "position"), typeName(GMLNS, "PointPropertyType"));
// sa:SamplingFeatureType
samplingProperties.put(name(SANS, "relatedObservation"), typeName(OMNS,
"ObservationPropertyType"));
samplingProperties.put(name(SANS, "relatedSamplingFeature"), typeName(SANS,
"SamplingFeatureRelationPropertyType"));
samplingProperties
.put(name(SANS, "sampledFeature"), typeName(GMLNS, "FeaturePropertyType"));
samplingProperties.put(name(SANS, "surveyDetails"), typeName(SANS,
"SurveyProcedurePropertyType"));
// sa:SiteSinglePhenomTimeSeriesType
samplingProperties.put(name(AWNS, "relatedObservation"), typeName(AWNS,
"PhenomenonTimeSeriesPropertyType"));
assertPropertyNamesAndTypeNames(testType, samplingProperties);
AttributeDescriptor relatedObservation = (AttributeDescriptor) Types.descriptor(testType,
name(AWNS, "relatedObservation"));
Map relatedObsProps = new HashMap();
relatedObsProps.put(name(AWNS, "PhenomenonTimeSeries"), typeName(AWNS,
"PhenomenonTimeSeriesType"));
ComplexType phenomenonTimeSeriesPropertyType = (ComplexType) relatedObservation.getType();
assertPropertyNamesAndTypeNames(phenomenonTimeSeriesPropertyType, relatedObsProps);
AttributeDescriptor phenomenonTimeSeries = (AttributeDescriptor) Types.descriptor(
phenomenonTimeSeriesPropertyType, name(AWNS, "PhenomenonTimeSeries"));
ComplexType phenomenonTimeSeriesType = (ComplexType) phenomenonTimeSeries.getType();
Map phenomenonTimeSeriesProps = new HashMap();
// from
// aw:WaterObservationType/om:TimeSeriesObsType/om:AbstractObservationType
// phenomenonTimeSeriesProps.put(name(OMNS, "procedure"), typeName(OMNS,
// "ObservationProcedurePropertyType"));
// phenomenonTimeSeriesProps.put(name(OMNS, "countParameter"),
// typeName(SWENS,
// "TypedCountType"));
// phenomenonTimeSeriesProps.put(name(OMNS, "measureParameter"),
// typeName(SWENS,
// "TypedMeasureType"));
// phenomenonTimeSeriesProps.put(name(OMNS, "termParameter"),
// typeName(SWENS,
// "TypedCategoryType"));
// phenomenonTimeSeriesProps.put(name(OMNS, "observedProperty"),
// typeName(SWENS,
// "PhenomenonPropertyType"));
//
// from PhenomenonTimeSeriesType
phenomenonTimeSeriesProps.put(name(AWNS, "result"), typeName(CVNS,
"CompactDiscreteTimeCoveragePropertyType"));
assertPropertyNamesAndTypeNames(phenomenonTimeSeriesType, phenomenonTimeSeriesProps);
AttributeDescriptor observedProperty = (AttributeDescriptor) Types.descriptor(
phenomenonTimeSeriesType, name(OMNS, "observedProperty"));
ComplexType phenomenonPropertyType = (ComplexType) observedProperty.getType();
assertPropertyNamesAndTypeNames(phenomenonPropertyType, Collections.singletonMap(name(
SWENS, "Phenomenon"), typeName(SWENS, "PhenomenonType")));
AttributeDescriptor phenomenon = (AttributeDescriptor) Types.descriptor(
phenomenonPropertyType, name(SWENS, "Phenomenon"));
ComplexType phenomenonType = (ComplexType) phenomenon.getType();
assertNotNull(phenomenonType.getSuper());
assertEquals(typeName(GMLNS, "DefinitionType"), phenomenonType.getSuper().getName());
Map phenomenonProps = new HashMap();
// from gml:DefinitionType
phenomenonProps.put(name(GMLNS, "metaDataProperty"), null);
phenomenonProps.put(name(GMLNS, "description"), null);
phenomenonProps.put(name(GMLNS, "name"), null);
assertPropertyNamesAndTypeNames(phenomenonType, phenomenonProps);
}
finally {
typeRegistry.disposeSchemaIndexes();
}
}
private void assertPropertyNamesAndTypeNames(ComplexType parentType,
Map expectedPropertiesAndTypes) throws Exception {
for (Iterator it = expectedPropertiesAndTypes.entrySet().iterator(); it.hasNext();) {
Map.Entry entry = (Entry) it.next();
Name dName = (Name) entry.getKey();
Name expectedDescriptorTypeName = (Name) entry.getValue();
AttributeDescriptor d = (AttributeDescriptor) Types.descriptor(parentType, dName);
assertNotNull("Descriptor " + dName + " not found for type " + parentType.getName(), d);
AttributeType type;
try {
type = (AttributeType) d.getType();
} catch (Exception e) {
LOGGER.log(Level.SEVERE, "type not parsed for "
+ ((AttributeDescriptor) d).getName(), e);
throw e;
}
assertNotNull(type);
Name actualTypeName = type.getName();
assertNotNull(actualTypeName);
assertNotNull(type.getBinding());
if (expectedDescriptorTypeName != null) {
assertEquals("type mismatch for property " + dName, expectedDescriptorTypeName,
actualTypeName);
}
}
}
private Name typeName(String ns, String localName) {
return Types.typeName(ns, localName);
}
private Name name(String ns, String localName) {
return Types.typeName(ns, localName);
}
@Test
public void testLoadMappingsConfig() throws Exception {
XMLConfigDigester reader = new XMLConfigDigester();
String configLocation = schemaBase + "TimeSeriesTest_properties.xml";
URL url = getClass().getResource(configLocation);
// configLocation =
// "file:/home/gabriel/svn/geoserver/trunk/configuration/community-schema-timeseries2/TimeSeriesTest_properties.xml";
// URL url = new URL(configLocation);
AppSchemaDataAccessDTO config = reader.parse(url);
Set mappings = AppSchemaDataAccessConfigurator.buildMappings(config);
assertNotNull(mappings);
assertEquals(1, mappings.size());
FeatureTypeMapping mapping = (FeatureTypeMapping) mappings.iterator().next();
AttributeDescriptor targetFeature = mapping.getTargetFeature();
assertNotNull(targetFeature);
assertNotNull(targetFeature.getType());
assertEquals(AWNS, targetFeature.getName().getNamespaceURI());
assertEquals("SiteSinglePhenomTimeSeries", targetFeature.getName().getLocalPart());
List attributeMappings = mapping.getAttributeMappings();
AttributeMapping attMapping = (AttributeMapping) attributeMappings.get(0);
assertNotNull(attMapping);
assertEquals("aw:SiteSinglePhenomTimeSeries", attMapping.getTargetXPath().toString());
attMapping = (AttributeMapping) attributeMappings.get(1);
assertNotNull(attMapping);
assertEquals("gml:name[1]", attMapping.getTargetXPath().toString());
attMapping = (AttributeMapping) attributeMappings.get(2);
assertNotNull(attMapping);
assertEquals("sa:sampledFeature", attMapping.getTargetXPath().toString());
// this mapping has no source expression, just client properties
assertSame(Expression.NIL, attMapping.getSourceExpression());
assertSame(Expression.NIL, attMapping.getIdentifierExpression());
Map clientProperties = attMapping.getClientProperties();
assertEquals(2, clientProperties.size());
Name clientPropName = name(XLINK.NAMESPACE, "title");
assertTrue("client property " + clientPropName + " not found", clientProperties
.containsKey(clientPropName));
clientPropName = name(XLINK.NAMESPACE, "href");
assertTrue("client property " + clientPropName + " not found", clientProperties
.containsKey(clientPropName));
// now test the use of specific subtype overriding a general node type
attMapping = (AttributeMapping) attributeMappings.get(5);
assertNotNull(attMapping);
String expected = "aw:relatedObservation/aw:PhenomenonTimeSeries/om:observedProperty/swe:Phenomenon/gml:name";
String actual = attMapping.getTargetXPath().toString();
assertEquals(expected, actual);
}
@Test
public void testDataStore() throws Exception {
DataAccess<FeatureType, Feature> mappingDataStore;
final Name typeName = new NameImpl(AWNS, "SiteSinglePhenomTimeSeries");
{
final Map dsParams = new HashMap();
String configLocation = schemaBase + "TimeSeriesTest_properties.xml";
final URL url = getClass().getResource(configLocation);
// configLocation =
// "file:/home/gabriel/svn/geoserver/trunk/configuration/community-schema-timeseries2/TimeSeriesTest_properties.xml";
// URL url = new URL(configLocation);
dsParams.put("dbtype", "app-schema");
dsParams.put("url", url.toExternalForm());
mappingDataStore = DataAccessFinder.getDataStore(dsParams);
}
assertNotNull(mappingDataStore);
FeatureSource<FeatureType, Feature> fSource;
{
FeatureType fType = mappingDataStore.getSchema(typeName);
assertNotNull(fType);
fSource = mappingDataStore.getFeatureSource(typeName);
}
FeatureCollection features;
// make a getFeatures request with a nested properties filter.
//
// was 96, but now 3 as mapped features are grouped by id
final int EXPECTED_MAPPED_FEATURE_COUNT = 3;
// 96 data rows from property file
final int EXPECTED_SIMPLE_FEATURE_COUNT = 96;
{
features = fSource.getFeatures();
int resultCount = getCount(features);
String msg = "be sure difference in result count is not due to different dataset.";
assertEquals(msg, EXPECTED_MAPPED_FEATURE_COUNT, resultCount);
}
Feature feature;
int count = 0;
FilterFactory ffac;
{
NamespaceSupport namespaces = new NamespaceSupport();
namespaces.declarePrefix("aw", AWNS);
namespaces.declarePrefix("om", OMNS);
namespaces.declarePrefix("swe", SWENS);
namespaces.declarePrefix("gml", GMLNS);
namespaces.declarePrefix("sa", SANS);
namespaces.declarePrefix("cv", CVNS);
// TODO: use commonfactoryfinder or the mechanism choosed
// to pass namespace context to filter factory
ffac = new FilterFactoryImplNamespaceAware(namespaces);
}
final String phenomNamePath = "aw:relatedObservation/aw:PhenomenonTimeSeries/om:observedProperty/swe:Phenomenon/gml:name";
FeatureIterator it = features.features();
for (; it.hasNext();) {
feature = (Feature) it.next();
count++;
{
PropertyName gmlName = ffac.property("gml:name");
PropertyName phenomName = ffac.property(phenomNamePath);
Object nameVal = gmlName.evaluate(feature, String.class);
assertNotNull("gml:name evaluated to null", nameVal);
Object phenomNameVal = phenomName.evaluate(feature, String.class);
assertNotNull(phenomNamePath + " evaluated to null", phenomNameVal);
}
{
PropertyName sampledFeatureName = ffac.property("sa:sampledFeature");
Attribute sampledFeatureVal = (Attribute) sampledFeatureName.evaluate(feature);
assertNotNull("sa:sampledFeature evaluated to null", sampledFeatureVal);
assertEquals(0, ((Collection) sampledFeatureVal.getValue()).size());
Map attributes = (Map) sampledFeatureVal.getUserData().get(Attributes.class);
assertNotNull(attributes);
Name xlinkTitle = name(XLINK.NAMESPACE, "title");
assertTrue(attributes.containsKey(xlinkTitle));
assertNotNull(attributes.get(xlinkTitle));
Name xlinkHref = name(XLINK.NAMESPACE, "href");
assertTrue(attributes.containsKey(xlinkHref));
assertNotNull(attributes.get(xlinkHref));
}
{
final String elementPath = "aw:relatedObservation/aw:PhenomenonTimeSeries/om:result/cv:CompactDiscreteTimeCoverage";
PropertyName elementName = ffac.property(elementPath);
Object timeCovVal = elementName.evaluate(feature);
assertNotNull(elementPath, timeCovVal);
assertTrue(timeCovVal instanceof Feature);
final List elements = (List) ((Feature) timeCovVal).getValue();
assertEquals(1, elements.size());
}
}
it.close();
count = 0;
FeatureIterator<? extends Feature> simpleIterator = ((AbstractMappingFeatureIterator) features.features()).getSourceFeatureIterator();
for (; simpleIterator.hasNext();) {
feature = (Feature) simpleIterator.next();
count++;
if (count == 22) {
String compactTimeValuePairName = "result";
String geomName = "sample_time_position";
Collection compactTimes = feature.getProperties(compactTimeValuePairName);
assertNotNull(compactTimes);
assertEquals(1, compactTimes.size());
Attribute value = (Attribute) compactTimes.iterator().next();
assertNotNull(value.getValue());
Collection geomProperties = feature.getProperties(geomName);
assertNotNull(geomProperties);
assertEquals(1, geomProperties.size());
Attribute geom = (Attribute) geomProperties.iterator().next();
assertNotNull(geom.getValue());
Object valueContent = geom.getValue();
Date sampleTimePosition = (Date) valueContent;
Calendar cal = Calendar.getInstance();
// property file dates appear to be parsed as being in UTC
cal.setTimeZone(TimeZone.getTimeZone("UTC"));
cal.setTime(sampleTimePosition);
// see row TS2.22
assertEquals(2007, cal.get(Calendar.YEAR));
assertEquals(Calendar.JANUARY, cal.get(Calendar.MONTH));
assertEquals(21, cal.get(Calendar.DAY_OF_MONTH));
// sanity (timezone handling has been bungled one time too many)
assertEquals(0, cal.get(Calendar.HOUR_OF_DAY));
assertEquals(0, cal.get(Calendar.MINUTE));
assertEquals(0, cal.get(Calendar.SECOND));
}
}
mappingDataStore.dispose();
assertEquals(EXPECTED_SIMPLE_FEATURE_COUNT, count);
}
private int getCount(FeatureCollection features) {
FeatureIterator iterator = features.features();
int count = 0;
try {
while (iterator.hasNext()) {
iterator.next();
count++;
}
} finally {
iterator.close();
}
return count;
}
}