view artifacts/src/main/java/org/dive4elements/river/artifacts/RiverAxisArtifact.java @ 8755:30b1ddadf275

(issue1801) Unify reference gauge finding code The basic way as described in the method comment of the determineRefGauge method is now used in the WINFOArtifact, MainValuesService and RiverUtils.getGauge method. RiverUtils.getGauge previously just returned the first gauge found. While this is now a behavior change I believe that it is always more correct then the undeterministic behavior of the previous implmenentation.
author Andre Heinecke <andre.heinecke@intevation.de>
date Wed, 24 Jun 2015 14:07:26 +0200
parents e9d912c97fa8
children 5e38e2924c07
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/* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
 * Software engineering by Intevation GmbH
 *
 * This file is Free Software under the GNU AGPL (>=v3)
 * and comes with ABSOLUTELY NO WARRANTY! Check out the
 * documentation coming with Dive4Elements River for details.
 */

package org.dive4elements.river.artifacts;

import com.vividsolutions.jts.geom.Envelope;
import com.vividsolutions.jts.geom.Geometry;

import org.dive4elements.artifactdatabase.state.DefaultOutput;
import org.dive4elements.artifactdatabase.state.Facet;
import org.dive4elements.artifactdatabase.state.State;
import org.dive4elements.river.artifacts.model.FacetTypes;
import org.dive4elements.river.artifacts.model.RiverFactory;
import org.dive4elements.river.model.River;
import org.dive4elements.river.model.RiverAxis;
import org.dive4elements.river.utils.RiverUtils;
import org.dive4elements.river.utils.GeometryUtils;

import java.util.List;

import org.apache.log4j.Logger;

@Deprecated
public class RiverAxisArtifact extends WMSDBArtifact {

    public static final String NAME = "riveraxis";


    private static final Logger log =
        Logger.getLogger(RiverAxisArtifact.class);


    @Override
    public String getName() {
        return NAME;
    }


    @Override
    public State getCurrentState(Object cc) {
        State s = new RiverAxisState(this);

        List<Facet> fs = getFacets(getCurrentStateId());

        DefaultOutput o = new DefaultOutput(
            "floodmap",
            "floodmap",
            "image/png",
            fs,
            "map");

        s.getOutputs().add(o);

        return s;
    }


    public static class RiverAxisState extends WMSDBState implements FacetTypes
    {
        private static final Logger log =
            Logger.getLogger(RiverAxisState.class);

        protected Geometry geom;
        protected int      riverId;

        public RiverAxisState(){}

        public RiverAxisState(D4EArtifact artifact) {
            super(artifact);
        }

        private boolean isUnofficial() {
            return getIdPart(2) != null && !getIdPart(2).equals("1");
        }

        @Override
        protected String getFacetType() {
            return FLOODMAP_RIVERAXIS;
        }

        @Override
        protected String getLayer() {
            if (isUnofficial()) {
                return super.getLayer();
            }
            return RiverFactory.getRiver(getRiverId()).getName();
        }

        @Override
        protected String getUrl() {
            if (isUnofficial()) {
                return RiverUtils.getUserWMSUrl(artifact.identifier());
            } else {
                return RiverUtils.getRiverWMSUrl();
            }
        }

        @Override
        protected String getSrid() {
            River river = RiverFactory.getRiver(getRiverId());
            return RiverUtils.getRiverSrid(river.getName());
        }

        @Override
        protected Envelope getExtent(boolean reproject) {
            River river = RiverFactory.getRiver(getRiverId());
            List<RiverAxis> axes;

            String kind = getIdPart(2);

            if (kind != null && !kind.equals(RiverAxis.KIND_CURRENT)) {
                axes = RiverAxis.getRiverAxis(river.getName(),
                        getName(), Integer.parseInt(kind));
            } else {
                if (reproject) {
                    log.debug("Query extent for RiverAxis with Srid: " + getSrid());
                    return GeometryUtils.transform(
                            GeometryUtils.getRiverBoundary(river.getName()),
                            getSrid());
                }
                return GeometryUtils.getRiverBoundary(river.getName());
            }

            Envelope max = null;

            for (RiverAxis ax: axes) {
                Envelope env = ax.getGeom().getEnvelopeInternal();

                if (max == null) {
                    max = env;
                    continue;
                }

                max.expandToInclude(env);
            }

            return max != null && reproject
                ? GeometryUtils.transform(max, getSrid())
                : max;
        }

        @Override
        protected String getFilter() {
            String kind = getIdPart(2);
            if (kind != null && kind.equals(RiverAxis.KIND_CURRENT)) {
                return "river_id=" + String.valueOf(getRiverId()) +
                    " AND kind_id=" + kind;
            }
            if (kind != null) {
                return "river_id=" + String.valueOf(getRiverId()) +
                    " AND kind_id=" + kind +
                    " AND name='" + getName() + "'";
            }
            if (getIdPart(1) != null) {
                return "river_id=" + String.valueOf(getRiverId()) +
                    " AND name='" + getName() + "'";
            }
            return "river_id=" + String.valueOf(getRiverId()) +
                " AND kind_id=" + kind;
        }

        @Override
        protected String getDataString() {
            if (RiverUtils.isUsingOracle()) {
                return "geom FROM river_axes USING SRID " + getSrid();
            }
            return "geom FROM river_axes USING UNIQUE id";
        }

        @Override
        protected String getGeometryType() {
            return "LINE";
        }
    } // end of WMSKmState
}
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