Java CityGMLBuilder.createCityGMLInputFactory方法代码示例

import org.citygml4j.builder.jaxb.CityGMLBuilder; //导入方法依赖的package包/类
public static void main(String[] args) throws Exception {
	SimpleDateFormat df = new SimpleDateFormat("[HH:mm:ss] "); 

	System.out.println(df.format(new Date()) + "setting up citygml4j context and CityGML builder");
	CityGMLContext ctx = CityGMLContext.getInstance();
	CityGMLBuilder builder = ctx.createCityGMLBuilder();

	System.out.println(df.format(new Date()) + "reading only roads from CityGML file LOD2_CityObjectGroup_v100.gml");
	CityGMLInputFactory in = builder.createCityGMLInputFactory();
	in.setProperty(CityGMLInputFactory.FEATURE_READ_MODE, FeatureReadMode.SPLIT_PER_FEATURE);

	CityGMLReader reader = in.createCityGMLReader(new File("datasets/LOD2_CityObjectGroup_v100.gml"));
	reader = in.createFilteredCityGMLReader(reader, new CityGMLInputFilter() {

		// return true if you want to consume the CityGML feature
		// of the given qualified XML name, false otherwise
		public boolean accept(QName name) {
			return Modules.isModuleNamespace(name.getNamespaceURI(), CityGMLModuleType.TRANSPORTATION)
					&& name.getLocalPart().equals("Road");
		}
		
	});

	System.out.println(df.format(new Date()) + "printing road features");
	while (reader.hasNext()) {
		Road road = (Road)reader.nextFeature();
		System.out.println(df.format(new Date()) + "found Road with gml:id " + road.getId());	
		
		System.out.println(df.format(new Date()) + "\t" + road.getTrafficArea().size() + " traffic area(s)");	
		System.out.println(df.format(new Date()) + "\t" + road.getAuxiliaryTrafficArea().size() + " auxiliary traffic area(s)");	
	}

	reader.close();
	System.out.println(df.format(new Date()) + "sample citygml4j application successfully finished");
}
 

import org.citygml4j.builder.jaxb.CityGMLBuilder; //导入方法依赖的package包/类
public static void main(String[] args) throws Exception {
	SimpleDateFormat df = new SimpleDateFormat("[HH:mm:ss] "); 

	System.out.println(df.format(new Date()) + "setting up citygml4j context and CityGML builder");
	CityGMLContext ctx = CityGMLContext.getInstance();
	CityGMLBuilder builder = ctx.createCityGMLBuilder();
	
	System.out.println(df.format(new Date()) + "reading CityGML file LOD2_Buildings_v100.gml completely into main memory");
	CityGMLInputFactory in = builder.createCityGMLInputFactory();
	CityGMLReader reader = in.createCityGMLReader(new File("datasets/LOD2_Buildings_v100.gml"));
	
	while (reader.hasNext()) {
		CityGML citygml = reader.nextFeature();

		if (citygml.getCityGMLClass() == CityGMLClass.CITY_MODEL) {
			CityModel cityModel = (CityModel)citygml;

			System.out.println(df.format(new Date()) + "Found " + citygml.getCityGMLClass() + " version " + cityModel.getCityGMLModule().getVersion());
			System.out.println(df.format(new Date()) + "going through city model and counting building instances");

			int count = 0;
			for (CityObjectMember cityObjectMember : cityModel.getCityObjectMember()) {
				AbstractCityObject cityObject = cityObjectMember.getCityObject();
				if (cityObject.getCityGMLClass() == CityGMLClass.BUILDING)
					count++;
			}

			System.out.println(df.format(new Date()) + "The city model contains " + count + " building features");
		}	
	}			
	
	reader.close();
	System.out.println(df.format(new Date()) + "sample citygml4j application successfully finished");
}
 

import org.citygml4j.builder.jaxb.CityGMLBuilder; //导入方法依赖的package包/类
public static void main(String[] args) throws Exception {
	SimpleDateFormat df = new SimpleDateFormat("[HH:mm:ss] "); 

	System.out.println(df.format(new Date()) + "setting up citygml4j context and CityGML builder");
	CityGMLContext ctx = CityGMLContext.getInstance();
	CityGMLBuilder builder = ctx.createCityGMLBuilder();
	
	System.out.println(df.format(new Date()) + "reading CityGML file LOD3_Building_v200.gml feature by feature");
	CityGMLInputFactory in = builder.createCityGMLInputFactory();
	in.setProperty(CityGMLInputFactory.FEATURE_READ_MODE, FeatureReadMode.SPLIT_PER_FEATURE);
	in.setProperty(CityGMLInputFactory.EXCLUDE_FROM_SPLITTING, new QName[]{new QName("Door"), new QName("Address")});

	// see difference when setting to true
	in.setProperty(CityGMLInputFactory.KEEP_INLINE_APPEARANCE, false);
	
	CityGMLReader reader = in.createCityGMLReader(new File("datasets/LOD3_Building_v200.gml"));
	
	System.out.println(df.format(new Date()) + "printing feature currently read and its (transitive) parents");
	while (reader.hasNext()) {
		CityGML chunk = reader.nextFeature();	
		System.out.println("found: " + chunk.getCityGMLClass());
		
		if (reader.isSetParentInfo()) {
			ParentInfo parentInfo = reader.getParentInfo();
			System.out.println(" --parent: " + parentInfo.getCityGMLClass());
			
			while ((parentInfo = parentInfo.getParentInfo()) != null)
				System.out.println(" --transitive parent: " + parentInfo.getCityGMLClass());
		}
		
	}

	reader.close();
	System.out.println(df.format(new Date()) + "sample citygml4j application successfully finished");
}
 

import org.citygml4j.builder.jaxb.CityGMLBuilder; //导入方法依赖的package包/类
public static void main(String[] args) throws Exception {
	SimpleDateFormat df = new SimpleDateFormat("[HH:mm:ss] "); 

	System.out.println(df.format(new Date()) + "setting up citygml4j context and CityGML builder");
	CityGMLContext ctx = CityGMLContext.getInstance();
	CityGMLBuilder builder = ctx.createCityGMLBuilder();
	
	System.out.println(df.format(new Date()) + "reading ADE-enriched CityGML file LOD2_SubsurfaceStructureADE_invalid_v100.gml");
	System.out.println(df.format(new Date()) + "ADE schema file is read from xsi:schemaLocation attribute on root XML element");
	CityGMLInputFactory in = builder.createCityGMLInputFactory();
	in.setProperty(CityGMLInputFactory.FEATURE_READ_MODE, FeatureReadMode.NO_SPLIT);
	in.parseSchema(new File("datasets/schemas/CityGML-SubsurfaceADE-0_9_0.xsd"));

	in.setProperty(CityGMLInputFactory.USE_VALIDATION, true);	
	in.setValidationEventHandler(event -> {
           System.out.print("[" + event.getLocator().getLineNumber() + "," + event.getLocator().getColumnNumber() + "] ");
           System.out.println(event.getMessage());
           return true;
       });
	
	System.out.println(df.format(new Date()) + "validating ADE-enriched CityGML document whilst reading");
	CityGMLReader reader = in.createCityGMLReader(new File("datasets/LOD2_SubsurfaceStructureADE_invalid_v100.gml"));
	reader.nextFeature();

	reader.close();
	System.out.println(df.format(new Date()) + "sample citygml4j application successfully finished");
}
 

import org.citygml4j.builder.jaxb.CityGMLBuilder; //导入方法依赖的package包/类
public static void main(String[] args) throws Exception {
	SimpleDateFormat df = new SimpleDateFormat("[HH:mm:ss] "); 

	System.out.println(df.format(new Date()) + "setting up citygml4j context and CityGML builder");
	CityGMLContext ctx = CityGMLContext.getInstance();
	CityGMLBuilder builder = ctx.createCityGMLBuilder();
	
	System.out.println(df.format(new Date()) + "reading ADE-enriched CityGML file LOD2_SubsurfaceStructureADE_invalid_v100.gml feature by feature");
	System.out.println(df.format(new Date()) + "ADE schema file is read from xsi:schemaLocation attribute on root XML element");
	CityGMLInputFactory in = builder.createCityGMLInputFactory();
	in.setProperty(CityGMLInputFactory.FEATURE_READ_MODE, FeatureReadMode.SPLIT_PER_FEATURE);
	in.setProperty(CityGMLInputFactory.USE_VALIDATION, true);
	in.registerSchemaLocation("http://www.citygml.org/ade/sub/0.9.0", new File("datasets/schemas/CityGML-SubsurfaceADE-0_9_0.xsd"));
		
	ValidationEventHandlerImpl validationEventHandler = new ValidationEventHandlerImpl();
	in.setValidationEventHandler(validationEventHandler);
	
	CityGMLReader reader = in.createCityGMLReader(new File("datasets/LOD2_SubsurfaceStructureADE_invalid_v100.gml"));
	
	System.out.println(df.format(new Date()) + "validating features whilst reading from file");
	while (reader.hasNext()) {
		CityGML chunk = reader.nextFeature();			

		String type;
		if (chunk instanceof ADEGenericElement){
			Element element = ((ADEGenericElement)chunk).getContent();
			type = element.getPrefix() + ':' + element.getLocalName();
		} else
			type = chunk.getCityGMLClass().toString();
		
		System.out.print(type + ": ");
		System.out.println(validationEventHandler.isValid ? "valid" : "invalid (see error messages above)");

		validationEventHandler.isValid = true;
	}

	reader.close();
	System.out.println(df.format(new Date()) + "sample citygml4j application successfully finished");
}
 

import org.citygml4j.builder.jaxb.CityGMLBuilder; //导入方法依赖的package包/类
public static void main(String[] args) throws Exception {
	SimpleDateFormat df = new SimpleDateFormat("[HH:mm:ss] "); 

	System.out.println(df.format(new Date()) + "setting up citygml4j context and CityGML builder");
	CityGMLContext ctx = CityGMLContext.getInstance();
	CityGMLBuilder builder = ctx.createCityGMLBuilder();

	System.out.println(df.format(new Date()) + "setting up schema handler");
	SchemaHandler schemaHandler = SchemaHandler.newInstance();
	schemaHandler.setSchemaEntityResolver(new SchemaEntityResolver());
	schemaHandler.setErrorHandler(new SchemaParseErrorHandler());

	System.out.println(df.format(new Date()) + "reading ADE-enriched CityGML file LOD0_Railway_NoiseADE_missing_ADE_reference_v200.gml");
	System.out.println(df.format(new Date()) + "note: the input document is lacking a reference to the ADE schema document");
	CityGMLInputFactory in = builder.createCityGMLInputFactory(schemaHandler);
	in.setProperty(CityGMLInputFactory.FEATURE_READ_MODE, FeatureReadMode.SPLIT_PER_FEATURE);
	
	CityGMLReader reader = in.createCityGMLReader(new File("datasets/LOD0_Railway_NoiseADE_missing_ADE_reference_v200.gml"));
	
	while (reader.hasNext()) {
		CityGML citygml = reader.nextFeature();
		
		if (citygml instanceof AbstractFeature)
			System.out.println("Found CityGML: " + citygml.getCityGMLClass());
		else if (citygml instanceof ADEGenericElement)
			System.out.println("Found ADE: " + ((ADEGenericElement)citygml).getContent().getLocalName());
	}
	
	reader.close();
	System.out.println(df.format(new Date()) + "sample citygml4j application successfully finished");
}
 

import org.citygml4j.builder.jaxb.CityGMLBuilder; //导入方法依赖的package包/类
public static void main(String[] args) throws Exception {
	SimpleDateFormat df = new SimpleDateFormat("[HH:mm:ss] "); 

	System.out.println(df.format(new Date()) + "setting up citygml4j context and CityGML builder");
	CityGMLContext ctx = CityGMLContext.getInstance();
	CityGMLBuilder builder = ctx.createCityGMLBuilder();

	System.out.println(df.format(new Date()) + "setting up schema handler");
	SchemaHandler schemaHandler = SchemaHandler.newInstance();
	schemaHandler.setSchemaEntityResolver(new SchemaEntityResolver());
	schemaHandler.setErrorHandler(new SchemaParseErrorHandler());
	
	// register false schema location in order to provoke a schema parse error
	schemaHandler.registerSchemaLocation("http://www.citygml.org/ade/noise_de/2.0", 
			new File("/nowhere/nofile.xsd"));

	System.out.println(df.format(new Date()) + "reading ADE-enriched CityGML file LOD0_Railway_NoiseADE_v200.gml");
	CityGMLInputFactory in = builder.createCityGMLInputFactory(schemaHandler);
	in.setProperty(CityGMLInputFactory.FEATURE_READ_MODE, FeatureReadMode.SPLIT_PER_FEATURE);

	CityGMLReader reader = in.createCityGMLReader(new File("datasets/LOD0_Railway_NoiseADE_v200.gml"));
	
	while (reader.hasNext()) {
		CityGML citygml = reader.nextFeature();
		
		if (citygml instanceof AbstractFeature)
			System.out.println("Found CityGML: " + citygml.getCityGMLClass());
		else if (citygml instanceof ADEGenericElement)
			System.out.println("Found ADE: " + ((ADEGenericElement)citygml).getContent().getLocalName());
	}
	
	reader.close();
	System.out.println(df.format(new Date()) + "sample citygml4j application successfully finished");
}
 

import org.citygml4j.builder.jaxb.CityGMLBuilder; //导入方法依赖的package包/类
public static void main(String[] args) throws Exception {
	SimpleDateFormat df = new SimpleDateFormat("[HH:mm:ss] "); 

	System.out.println(df.format(new Date()) + "setting up citygml4j context and CityGML builder");
	CityGMLContext ctx = CityGMLContext.getInstance();
	CityGMLBuilder builder = ctx.createCityGMLBuilder();

	System.out.println(df.format(new Date()) + "reading ADE-enriched CityGML file LOD0_Railway_NoiseADE_v200.gml");
	System.out.println(df.format(new Date()) + "ADE schema file is read from xsi:schemaLocation attribute on root XML element");
	CityGMLInputFactory in = builder.createCityGMLInputFactory();

	CityGMLReader reader = in.createCityGMLReader(new File("datasets/LOD0_Railway_NoiseADE_v200.gml"));
	CityGML citygml = reader.nextFeature();
	reader.close();

	System.out.println(df.format(new Date()) + "exploring ADE content of Railway element");
	CityModel cityModel = (CityModel)citygml;
	Railway railway = (Railway)cityModel.getCityObjectMember().get(0).getCityObject();
	
	if (railway.isSetGenericApplicationPropertyOfRailway()) {
		System.out.println("Found ADE content for Railway instance:\n");

		List<ADEComponent> ades = railway.getGenericApplicationPropertyOfRailway();
		for (ADEComponent ade : ades) {
			if (ade.getADEClass() == ADEClass.GENERIC_ELEMENT)
				checkADE(in.getSchemaHandler(), ((ADEGenericElement)ade).getContent(), null, 0);
		}
	}
	
	System.out.println(df.format(new Date()) + "sample citygml4j application successfully finished");
}
 

import org.citygml4j.builder.jaxb.CityGMLBuilder; //导入方法依赖的package包/类
public static void main(String[] args) throws Exception {
	SimpleDateFormat df = new SimpleDateFormat("[HH:mm:ss] "); 

	System.out.println(df.format(new Date()) + "setting up citygml4j context and CityGML builder");
	CityGMLContext ctx = CityGMLContext.getInstance();
	CityGMLBuilder builder = ctx.createCityGMLBuilder();

	System.out.println(df.format(new Date()) + "reading ADE-enriched CityGML file LOD0_Railway_NoiseADE_from_Web_v200.gml");
	System.out.println(df.format(new Date()) + "remote ADE schema file is read from xsi:schemaLocation attribute on root XML element");
	CityGMLInputFactory in = builder.createCityGMLInputFactory();

	CityGMLReader reader = in.createCityGMLReader(new File("datasets/LOD0_Railway_NoiseADE_from_Web_v200.gml"));
	CityGML citygml = reader.nextFeature();
	reader.close();

	System.out.println(df.format(new Date()) + "exploring ADE content of Railway element");
	CityModel cityModel = (CityModel)citygml;
	Railway railway = (Railway)cityModel.getCityObjectMember().get(0).getCityObject();
	
	if (railway.isSetGenericApplicationPropertyOfRailway()) {
		System.out.println("Found ADE content for Railway instance:\n");

		List<ADEComponent> ades = railway.getGenericApplicationPropertyOfRailway();
		for (ADEComponent ade : ades) {
			if (ade.getADEClass() == ADEClass.GENERIC_ELEMENT)
				checkADE(in.getSchemaHandler(), ((ADEGenericElement)ade).getContent(), null, 0);
		}
	}
	
	System.out.println(df.format(new Date()) + "sample citygml4j application successfully finished");
}
 

import org.citygml4j.builder.jaxb.CityGMLBuilder; //导入方法依赖的package包/类
public static void main(String[] args) throws Exception {
	SimpleDateFormat df = new SimpleDateFormat("[HH:mm:ss] "); 

	System.out.println(df.format(new Date()) + "setting up citygml4j context and CityGML builder");
	CityGMLContext ctx = CityGMLContext.getInstance();
	CityGMLBuilder builder = ctx.createCityGMLBuilder();
	
	// create a fixed thread pool
	int nThreads = Runtime.getRuntime().availableProcessors() * 2;
	System.out.println(df.format(new Date()) + "setting up thread pool with " + nThreads + " threads");
	ExecutorService service = Executors.newFixedThreadPool(nThreads);
	
	System.out.println(df.format(new Date()) + "reading LOD3_Railway_v200.gml in a multithreaded fashion");
	
	// create a validating reader that chunks the input file on a per feature level
	CityGMLInputFactory in = builder.createCityGMLInputFactory();
	in.setProperty(CityGMLInputFactory.FEATURE_READ_MODE, FeatureReadMode.SPLIT_PER_FEATURE);
	in.setProperty(CityGMLInputFactory.USE_VALIDATION, true);
	
	CityGMLReader reader = in.createCityGMLReader(new File("datasets/LOD3_Railway_v200.gml"));
	
	while (reader.hasNext()) {
		// whereas the nextFeature() method of a CityGML reader completely unmarshals the 
		// XML chunk to an instance of the citygml4j object model and optionally validates
		// it before returning, the nextChunk() method returns faster but only provides a
		// set of SAX events.		
		final XMLChunk chunk = reader.nextChunk();
		
		// we forward every XML chunk to a separate thread of the thread pool
		// for unmarshalling and validation
		service.execute(() -> {
               try {
                   chunk.unmarshal();
               } catch (UnmarshalException | MissingADESchemaException e) {
                   //
               }

               // invoking the hasPassedXMLValidation() method prior to unmarshal()
               // or when using a non-validating CityGML reader will always yield false.
               boolean isValid = chunk.hasPassedXMLValidation();

               System.out.println("Thread '" + Thread.currentThread().getName() + "' unmarshalled " + chunk.getCityGMLClass() + "; valid: " + isValid);
           });
	}
	
	System.out.println(df.format(new Date()) + "shutting down threadpool");
	service.shutdown();
	service.awaitTermination(120, TimeUnit.SECONDS);
	
	reader.close();
	System.out.println(df.format(new Date()) + "sample citygml4j application successfully finished");
}
 

import org.citygml4j.builder.jaxb.CityGMLBuilder; //导入方法依赖的package包/类
public static void main(String[] args) throws Exception {
	SimpleDateFormat df = new SimpleDateFormat("[HH:mm:ss] "); 

	System.out.println(df.format(new Date()) + "setting up citygml4j context and CityGML builder");
	CityGMLContext ctx = CityGMLContext.getInstance();
	CityGMLBuilder builder = ctx.createCityGMLBuilder();

	System.out.println(df.format(new Date()) + "reading CityGML file LOD2_Building_v100.gml");
	CityGMLInputFactory in = builder.createCityGMLInputFactory();
	CityGMLReader reader = in.createCityGMLReader(new File("datasets/LOD2_Building_v100.gml"));

	CityModel cityModel = (CityModel)reader.nextFeature();
	reader.close();
	
	System.out.println(df.format(new Date()) + "retrieving object with gml:id UUID_08371879-bde6-4ba6-9fc6-088ee2ce1913");
	XLinkResolver resolver = new XLinkResolver();
	AbstractGeometry geometry = resolver.getGeometry("UUID_08371879-bde6-4ba6-9fc6-088ee2ce1913", cityModel);
	System.out.println("gml:id 'UUID_08371879-bde6-4ba6-9fc6-088ee2ce1913' belongs to: " + geometry.getGMLClass());

	System.out.println(df.format(new Date()) + "retrieving direct and transitive parents");			
	ChildInfo info = new ChildInfo();
	
	System.out.println("Direct parent XML element: " + ((GML)geometry.getParent()).getGMLClass());
	
	AbstractGeometry parentGeometry = info.getParentGeometry(geometry);
	System.out.println("Direct parent geometry: " + parentGeometry.getGMLClass()
			+ ", gml:id='" + parentGeometry.getId() + "'");
	
	AbstractCityObject parentCityObject = info.getParentCityObject(geometry);
	System.out.println("Direct parent CityObject: " + parentCityObject.getCityGMLClass()
			+ ", gml:id='" + parentCityObject.getId() + "'");
	
	Building parentCityObjectByType = info.getParentCityObject(geometry, Building.class);
	System.out.println("Transitive parent CityObject of type Building: " + parentCityObjectByType.getCityGMLClass()
			+ ", gml:id='" + parentCityObjectByType.getId() + "'");

	LandUse noParent = info.getParentCityObject(geometry, LandUse.class);
	System.out.println("Transitive parent CityObject of type LandUse: " + noParent);

	AbstractCityObject rootCityObject = info.getRootCityObject(geometry);
	System.out.println("Root CityObject: " + rootCityObject.getCityGMLClass()
			+ ", gml:id='" + rootCityObject.getId() + "'");
	
	CityGML rootFeature = info.getRootCityGML(geometry);
	System.out.println("Root CityGML instance: " + rootFeature.getCityGMLClass());
	
	System.out.println(df.format(new Date()) + "sample citygml4j application successfully finished");
}
 

import org.citygml4j.builder.jaxb.CityGMLBuilder; //导入方法依赖的package包/类
public static void main(String[] args) throws Exception {
	SimpleDateFormat df = new SimpleDateFormat("[HH:mm:ss] "); 

	System.out.println(df.format(new Date()) + "setting up citygml4j context and CityGML builder");
	CityGMLContext ctx = CityGMLContext.getInstance();
	CityGMLBuilder builder = ctx.createCityGMLBuilder();

	System.out.println(df.format(new Date()) + "reading CityGML file LOD2_CityObjectGroup_v100.gml");
	CityGMLInputFactory in = builder.createCityGMLInputFactory();
	CityGMLReader reader = in.createCityGMLReader(new File("datasets/LOD2_CityObjectGroup_v100.gml"));

	CityModel cityModel = (CityModel)reader.nextFeature();
	reader.close();
	
	System.out.println(df.format(new Date()) + "creating XLinkResolver");
	XLinkResolver xLinkResolver = new XLinkResolver();
	
	for (CityObjectMember member : cityModel.getCityObjectMember()) {
		if (member.isSetCityObject() && 
				member.getCityObject().getCityGMLClass() == CityGMLClass.CITY_OBJECT_GROUP) {
			CityObjectGroup group = (CityObjectGroup)member.getCityObject();
			
			for (CityObjectGroupMember groupMember : group.getGroupMember()) {
				System.out.println(df.format(new Date()) + "processing group member with role: " + groupMember.getGroupRole());					
				System.out.println(df.format(new Date()) + "resolving XLink to " + groupMember.getHref());
				AbstractCityObject cityObject = xLinkResolver.getAbstractGML(groupMember.getHref(), cityModel, AbstractCityObject.class);
				System.out.println("   Referenced city object: " + cityObject.getCityGMLClass() + 
						", gml:id='" + cityObject.getId() +"'");
				 
				if (cityObject.getId().equals("ID_76")) {
					Road road = (Road)cityObject;
					TrafficArea trafficArea = road.getTrafficArea().get(2).getTrafficArea();
					
					System.out.println(df.format(new Date()) + "resolving XLink to " + trafficArea.getLod2MultiSurface().getHref());
					ModelObject object = xLinkResolver.getObject(trafficArea.getLod2MultiSurface().getHref(), road);
					if (object instanceof MultiSurface) {
						MultiSurface multiSurface = (MultiSurface)object;
						System.out.println("   Referenced geometry: " + multiSurface.getGMLClass() + 
								", gml:id='" + multiSurface.getId() + "'");
					}
				}
			}
		}
	}
	
	System.out.println(df.format(new Date()) + "sample citygml4j application successfully finished");
}
 

import org.citygml4j.builder.jaxb.CityGMLBuilder; //导入方法依赖的package包/类
public static void main(String[] args) throws Exception {
	/*
	 * PLEASE NOTE, that you receive less errors if the in-memory objects
	 * derived from the input document are validated than if the input document
	 * itself is validated.
	 * reason: citygml4j tries to reconstruct a valid object tree from the
	 * input document. Generally, this means
	 * 1) Invalid order of XML elements will be corrected automatically (see ADDRESS element)
	 * 2) Invalid text values of XML elements cannot be automatically corrected
	 *    and thus will be reported (see, e.g., gml:id of BUILDING element)
	 * 3) Invalid XML child elements will be omitted in the object tree (see CLOSURESURFACE element)
	 * 
	 * Due to 3) you should always make sure to generate object trees from 
	 * valid CityGML documents!
	 */
	
	SimpleDateFormat df = new SimpleDateFormat("[HH:mm:ss] "); 

	System.out.println(df.format(new Date()) + "setting up citygml4j context and CityGML builder");
	CityGMLContext ctx = CityGMLContext.getInstance();
	CityGMLBuilder builder = ctx.createCityGMLBuilder();
	
	System.out.println(df.format(new Date()) + "parsing ADE schema file CityGML-SubsurfaceADE-0_9_0.xsd");
	SchemaHandler schemaHandler = SchemaHandler.newInstance();
	schemaHandler.parseSchema(new File("datasets/schemas/CityGML-SubsurfaceADE-0_9_0.xsd"));

	System.out.println(df.format(new Date()) + "reading ADE-enriched CityGML file LOD2_SubsurfaceStructureADE_invalid_v100.gml");
	CityGMLInputFactory in = builder.createCityGMLInputFactory(schemaHandler);
	in.setProperty(CityGMLInputFactory.FEATURE_READ_MODE, FeatureReadMode.NO_SPLIT);

	CityGMLReader reader = in.createCityGMLReader(new File("datasets/LOD2_SubsurfaceStructureADE_invalid_v100.gml"));
	CityGML citygml = reader.nextFeature();		
	reader.close();
	
	System.out.println(df.format(new Date()) + "creating citygml4j Validator");
	Validator validator = builder.createValidator(schemaHandler);		
	validator.setValidationEventHandler(event -> {
           System.out.println("\t" + event.getMessage());
           return true;
       });
	
	System.out.println(df.format(new Date()) + "creating citygml4j FeatureSplitter and splitting document into single features");
	FeatureSplitter splitter = new FeatureSplitter()
			.setSchemaHandler(schemaHandler)
			.setSplitMode(FeatureSplitMode.SPLIT_PER_FEATURE)
			.splitCopy(true);
	
	System.out.println(df.format(new Date()) + "iterating over splitting result and validating features against CityGML 1.0.0");
	for (CityGML feature : splitter.split(citygml)) {
		
		String type;
		if (feature instanceof ADEGenericElement){
			Element element = ((ADEGenericElement)feature).getContent();
			type = element.getPrefix() + ':' + element.getLocalName();
		} else
			type = feature.getCityGMLClass().toString();
		
		System.out.println("Validating " + type);
		validator.validate(feature, CityGMLVersion.v1_0_0);
	}
	
	System.out.println(df.format(new Date()) + "sample citygml4j application successfully finished");
}