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The Open Source Java API for CityGML
There is a newer version: 3.2.4
/*
 * citygml4j - The Open Source Java API for CityGML
 * https://github.com/citygml4j
 *
 * Copyright 2013-2025 Claus Nagel 
 *
 * 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.citygml4j.xml.adapter;

import org.citygml4j.core.model.core.AbstractSpace;
import org.citygml4j.core.model.core.StandardObjectClassifier;
import org.citygml4j.core.util.CityGMLConstants;
import org.xmlobjects.gml.adapter.basictypes.CodeAdapter;
import org.xmlobjects.gml.adapter.geometry.aggregates.MultiCurvePropertyAdapter;
import org.xmlobjects.gml.adapter.geometry.aggregates.MultiSurfacePropertyAdapter;
import org.xmlobjects.gml.adapter.geometry.primitives.PointPropertyAdapter;
import org.xmlobjects.gml.adapter.geometry.primitives.SolidPropertyAdapter;
import org.xmlobjects.gml.model.basictypes.Code;
import org.xmlobjects.serializer.ObjectSerializeException;
import org.xmlobjects.stream.XMLWriteException;
import org.xmlobjects.stream.XMLWriter;
import org.xmlobjects.xml.Element;
import org.xmlobjects.xml.Namespaces;

public class CityGMLSerializerHelper {

    public static String getBridgeNamespace(Namespaces namespaces) {
        if (namespaces.contains(CityGMLConstants.CITYGML_2_0_BRIDGE_NAMESPACE))
            return CityGMLConstants.CITYGML_2_0_BRIDGE_NAMESPACE;
        else
            return CityGMLConstants.CITYGML_3_0_BRIDGE_NAMESPACE;
    }

    public static String getBuildingNamespace(Namespaces namespaces) {
        if (namespaces.contains(CityGMLConstants.CITYGML_1_0_BUILDING_NAMESPACE))
            return CityGMLConstants.CITYGML_1_0_BUILDING_NAMESPACE;
        else if (namespaces.contains(CityGMLConstants.CITYGML_2_0_BUILDING_NAMESPACE))
            return CityGMLConstants.CITYGML_2_0_BUILDING_NAMESPACE;
        else
            return CityGMLConstants.CITYGML_3_0_BUILDING_NAMESPACE;
    }

    public static String getCityFurnitureNamespace(Namespaces namespaces) {
        if (namespaces.contains(CityGMLConstants.CITYGML_1_0_CITYFURNITURE_NAMESPACE))
            return CityGMLConstants.CITYGML_1_0_CITYFURNITURE_NAMESPACE;
        else if (namespaces.contains(CityGMLConstants.CITYGML_2_0_CITYFURNITURE_NAMESPACE))
            return CityGMLConstants.CITYGML_2_0_CITYFURNITURE_NAMESPACE;
        else
            return CityGMLConstants.CITYGML_3_0_CITYFURNITURE_NAMESPACE;
    }

    public static String getCityObjectGroupNamespace(Namespaces namespaces) {
        if (namespaces.contains(CityGMLConstants.CITYGML_1_0_CITYOBJECTGROUP_NAMESPACE))
            return CityGMLConstants.CITYGML_1_0_CITYOBJECTGROUP_NAMESPACE;
        else if (namespaces.contains(CityGMLConstants.CITYGML_2_0_CITYOBJECTGROUP_NAMESPACE))
            return CityGMLConstants.CITYGML_2_0_CITYOBJECTGROUP_NAMESPACE;
        else
            return CityGMLConstants.CITYGML_3_0_CITYOBJECTGROUP_NAMESPACE;
    }

    public static String getLandUseNamespace(Namespaces namespaces) {
        if (namespaces.contains(CityGMLConstants.CITYGML_1_0_LANDUSE_NAMESPACE))
            return CityGMLConstants.CITYGML_1_0_LANDUSE_NAMESPACE;
        else if (namespaces.contains(CityGMLConstants.CITYGML_2_0_LANDUSE_NAMESPACE))
            return CityGMLConstants.CITYGML_2_0_LANDUSE_NAMESPACE;
        else
            return CityGMLConstants.CITYGML_3_0_LANDUSE_NAMESPACE;
    }

    public static String getReliefNamespace(Namespaces namespaces) {
        if (namespaces.contains(CityGMLConstants.CITYGML_1_0_RELIEF_NAMESPACE))
            return CityGMLConstants.CITYGML_1_0_RELIEF_NAMESPACE;
        else if (namespaces.contains(CityGMLConstants.CITYGML_2_0_RELIEF_NAMESPACE))
            return CityGMLConstants.CITYGML_2_0_RELIEF_NAMESPACE;
        else
            return CityGMLConstants.CITYGML_3_0_RELIEF_NAMESPACE;
    }

    public static String getTransportationNamespace(Namespaces namespaces) {
        if (namespaces.contains(CityGMLConstants.CITYGML_1_0_TRANSPORTATION_NAMESPACE))
            return CityGMLConstants.CITYGML_1_0_TRANSPORTATION_NAMESPACE;
        else if (namespaces.contains(CityGMLConstants.CITYGML_2_0_TRANSPORTATION_NAMESPACE))
            return CityGMLConstants.CITYGML_2_0_TRANSPORTATION_NAMESPACE;
        else
            return CityGMLConstants.CITYGML_3_0_TRANSPORTATION_NAMESPACE;
    }

    public static String getTunnelNamespace(Namespaces namespaces) {
        if (namespaces.contains(CityGMLConstants.CITYGML_2_0_TUNNEL_NAMESPACE))
            return CityGMLConstants.CITYGML_2_0_TUNNEL_NAMESPACE;
        else
            return CityGMLConstants.CITYGML_3_0_TUNNEL_NAMESPACE;
    }

    public static String getVegetationNamespace(Namespaces namespaces) {
        if (namespaces.contains(CityGMLConstants.CITYGML_1_0_VEGETATION_NAMESPACE))
            return CityGMLConstants.CITYGML_1_0_VEGETATION_NAMESPACE;
        else if (namespaces.contains(CityGMLConstants.CITYGML_2_0_VEGETATION_NAMESPACE))
            return CityGMLConstants.CITYGML_2_0_VEGETATION_NAMESPACE;
        else
            return CityGMLConstants.CITYGML_3_0_VEGETATION_NAMESPACE;
    }

    public static String getWaterBodyNamespace(Namespaces namespaces) {
        if (namespaces.contains(CityGMLConstants.CITYGML_1_0_WATERBODY_NAMESPACE))
            return CityGMLConstants.CITYGML_1_0_WATERBODY_NAMESPACE;
        else if (namespaces.contains(CityGMLConstants.CITYGML_2_0_WATERBODY_NAMESPACE))
            return CityGMLConstants.CITYGML_2_0_WATERBODY_NAMESPACE;
        else
            return CityGMLConstants.CITYGML_3_0_WATERBODY_NAMESPACE;
    }

    public static String getGenericsNamespace(Namespaces namespaces) {
        if (namespaces.contains(CityGMLConstants.CITYGML_1_0_GENERICS_NAMESPACE))
            return CityGMLConstants.CITYGML_1_0_GENERICS_NAMESPACE;
        else if (namespaces.contains(CityGMLConstants.CITYGML_2_0_GENERICS_NAMESPACE))
            return CityGMLConstants.CITYGML_2_0_GENERICS_NAMESPACE;
        else
            return CityGMLConstants.CITYGML_3_0_GENERICS_NAMESPACE;
    }

    public static String getAppearanceNamespace(Namespaces namespaces) {
        if (namespaces.contains(CityGMLConstants.CITYGML_1_0_APPEARANCE_NAMESPACE))
            return CityGMLConstants.CITYGML_1_0_APPEARANCE_NAMESPACE;
        else if (namespaces.contains(CityGMLConstants.CITYGML_2_0_APPEARANCE_NAMESPACE))
            return CityGMLConstants.CITYGML_2_0_APPEARANCE_NAMESPACE;
        else
            return CityGMLConstants.CITYGML_3_0_APPEARANCE_NAMESPACE;
    }

    public static String getCoreNamespace(Namespaces namespaces) {
        if (namespaces.contains(CityGMLConstants.CITYGML_1_0_CORE_NAMESPACE))
            return CityGMLConstants.CITYGML_1_0_CORE_NAMESPACE;
        else if (namespaces.contains(CityGMLConstants.CITYGML_2_0_CORE_NAMESPACE))
            return CityGMLConstants.CITYGML_2_0_CORE_NAMESPACE;
        else
            return CityGMLConstants.CITYGML_3_0_CORE_NAMESPACE;
    }

    public static void writeStandardObjectClassifier(StandardObjectClassifier object, String namespaceURI, Namespaces namespaces, XMLWriter writer) throws ObjectSerializeException, XMLWriteException {
        if (object.getClassifier() != null)
            writer.writeElementUsingSerializer(Element.of(namespaceURI, "class"), object.getClassifier(), CodeAdapter.class, namespaces);

        if (object.isSetFunctions()) {
            for (Code function : object.getFunctions())
                writer.writeElementUsingSerializer(Element.of(namespaceURI, "function"), function, CodeAdapter.class, namespaces);
        }

        if (object.isSetUsages()) {
            for (Code usage : object.getUsages())
                writer.writeElementUsingSerializer(Element.of(namespaceURI, "usage"), usage, CodeAdapter.class, namespaces);
        }
    }

    public static boolean writeDefaultGeometry(AbstractSpace object, int lod, String propertyName, String namespaceURI, Namespaces namespaces, XMLWriter writer) throws ObjectSerializeException, XMLWriteException {
        if (object.getSolid(lod) != null) {
            writer.writeElementUsingSerializer(Element.of(namespaceURI, propertyName), object.getSolid(lod), SolidPropertyAdapter.class, namespaces);
            return true;
        } else if (object.getMultiSurface(lod) != null) {
            writer.writeElementUsingSerializer(Element.of(namespaceURI, propertyName), object.getMultiSurface(lod), MultiSurfacePropertyAdapter.class, namespaces);
            return true;
        } else if (object.getMultiCurve(lod) != null) {
            writer.writeElementUsingSerializer(Element.of(namespaceURI, propertyName), object.getMultiCurve(lod), MultiCurvePropertyAdapter.class, namespaces);
            return true;
        } else if (lod == 0 && object.getLod0Point() != null) {
            writer.writeElementUsingSerializer(Element.of(namespaceURI, propertyName), object.getLod0Point(), PointPropertyAdapter.class, namespaces);
            return true;
        }

        return false;
    }
}