org.n52.io.response.GeometryInfo Maven / Gradle / Ivy

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/*
 * Copyright (C) 2013-2019 52°North Initiative for Geospatial Open Source
 * Software GmbH
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 as published
 * by the Free Software Foundation.
 *
 * If the program is linked with libraries which are licensed under one of
 * the following licenses, the combination of the program with the linked
 * library is not considered a "derivative work" of the program:
 *
 *     - Apache License, version 2.0
 *     - Apache Software License, version 1.0
 *     - GNU Lesser General Public License, version 3
 *     - Mozilla Public License, versions 1.0, 1.1 and 2.0
 *     - Common Development and Distribution License (CDDL), version 1.0
 *
 * Therefore the distribution of the program linked with libraries licensed
 * under the aforementioned licenses, is permitted by the copyright holders
 * if the distribution is compliant with both the GNU General Public License
 * version 2 and the aforementioned licenses.
 *
 * This program 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 General Public License
 * for more details.
 */
package org.n52.io.response;

import java.util.HashMap;
import java.util.Map;

import org.n52.io.geojson.FeatureOutputSerializer;
import org.n52.io.geojson.GeoJSONFeature;
import org.n52.io.geojson.GeoJSONObject;

import com.fasterxml.jackson.databind.annotation.JsonSerialize;
import com.vividsolutions.jts.geom.Geometry;

/**
 * TODO: JavaDoc
 *
 * @author Henning Bredel
 */
@JsonSerialize(using = FeatureOutputSerializer.class, as = GeoJSONObject.class)
public class GeometryInfo extends AbstractOutput implements GeoJSONFeature {

    public static final String PROPERTIES = "properties";

    public static final String GEOMETRY_TYPE = "geometryType";

    public static final String PLATFORM = "platform";

    private OptionalOutput geometryType;

    private OptionalOutput platform;

    private OptionalOutput geometry;

    @Override
    public String getId() {
        GeometryType type = getIfSet(geometryType, true);
        return type.createId(super.getId());
    }

    public GeometryInfo setGeometryType(OptionalOutput geometryType) {
        this.geometryType = geometryType;
        return this;
    }

    @Override
    public String getLabel() {
        return super.getLabel();
    }

    @Override
    public String getDomainId() {
        return super.getDomainId();
    }

    @Override
    public ServiceOutput getService() {
        return super.getService();
    }

    public PlatformOutput getPlatform() {
        return getIfSerialized(platform);
    }

    public GeometryInfo setPlatform(OptionalOutput platform) {
        this.platform = platform;
        return this;
    }

    @Override
    public Geometry getGeometry() {
        return getIfSet(geometry, true);
    }

    @Override
    public void setGeometry(OptionalOutput geometry) {
        this.geometry = geometry;
    }

    @Override
    public boolean isSetGeometry() {
        return getIfSerialized(geometry) != null && !getGeometry().isEmpty();
    }

    @Override
    public String getHrefBase() {
        String base = super.getHrefBase();
        String suffix = getUrlIdPrefix();
        return base != null && base.endsWith(suffix)
                ? base.substring(0, base.lastIndexOf(suffix) - 1)
                : base;
    }

    public GeometryType getType() {
        return getIfSerialized(geometryType);
    }

    private String getUrlIdPrefix() {
        return getIfSet(geometryType, true).getGeometryType();
    }

    public String getGeometryType() {
        if (getIfSerialized(geometryType) != null) {
            return getType().getGeometryType();
        } else {
            return null;
        }
    }

    @Override
    public Map getProperties() {
        HashMap properties = new HashMap<>();
        nullSafePut(GEOMETRY_TYPE, getGeometryType(), properties);
        nullSafePut(PLATFORM, getPlatform(), properties);
        nullSafePut(HREF, getHref(), properties);
        return properties;
    }

        private void nullSafePut(String key, Object value, Map container) {
        if (value != null) {
            container.put(key, value);
        }
    }

}