view artifacts/src/main/java/org/dive4elements/river/artifacts/WMSFloodplainArtifact.java @ 7300:83bb52fa0c32

(issue1529) Be more tolerant in the fitting. The invalid value warning is removed because invalid data is expected there when datapoints are not valid for this KM
author Andre Heinecke <aheinecke@intevation.de>
date Fri, 11 Oct 2013 18:40:33 +0200
parents af13ceeba52a
children 8d5ca5175038
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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 java.util.List;

import org.w3c.dom.Document;

import org.apache.log4j.Logger;

import com.vividsolutions.jts.geom.Envelope;

import org.dive4elements.artifacts.ArtifactFactory;
import org.dive4elements.artifacts.CallMeta;

import org.dive4elements.artifactdatabase.state.DefaultOutput;
import org.dive4elements.artifactdatabase.state.Facet;
import org.dive4elements.artifactdatabase.state.State;

import org.dive4elements.river.model.Floodplain;
import org.dive4elements.river.model.River;

import org.dive4elements.river.artifacts.model.FacetTypes;
import org.dive4elements.river.artifacts.model.RiverFactory;
import org.dive4elements.river.utils.RiverUtils;
import org.dive4elements.river.utils.GeometryUtils;


public class WMSFloodplainArtifact extends WMSDBArtifact {

    public static final String NAME = "floodplain";


    private static final Logger logger =
        Logger.getLogger(WMSFloodplainArtifact.class);


    @Override
    public void setup(
        String          identifier,
        ArtifactFactory factory,
        Object          context,
        CallMeta        callMeta,
        Document        data)
    {
        logger.debug("WMSFloodplainArtifact.setup");

        super.setup(identifier, factory, context, callMeta, data);
    }


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


    @Override
    public State getCurrentState(Object cc) {
        State s = new FloodplainState(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 FloodplainState extends WMSDBState implements FacetTypes
    {
        private static final Logger logger =
            Logger.getLogger(FloodplainState.class);

        protected int riverId;

        public FloodplainState(WMSDBArtifact artifact) {
            super(artifact);
            riverId = 0;
        }

        protected River getRiver() {
            return RiverFactory.getRiver(getRiverId());
        }

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

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

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

        @Override
        protected Envelope getExtent(boolean reproject) {
            River river = getRiver();
            List<Floodplain> fps;

            String kind = getIdPart(2);

            if (kind != null && ! kind.equals("1")) {
                fps = Floodplain.getFloodplains(river.getName(),
                        getName(), Integer.parseInt(kind));
            } else {
                fps = Floodplain.getFloodplains(river.getName(), 1);
            }

            Envelope max = null;

            for (Floodplain fp: fps) {
                Envelope env = fp.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("1")) {
                return "river_id=" + String.valueOf(getRiverId()) +
                    " AND kind_id=" + kind +
                    " AND name='" + getName() + "'";
            }
            return "river_id=" + String.valueOf(getRiverId()) +
                    " AND kind_id=1";
        }

        @Override
        protected String getDataString() {
            String srid = getSrid();

            if (RiverUtils.isUsingOracle()) {
                return "geom FROM floodplain USING SRID " + srid;
            }
            else {
                return "geom FROM floodplain USING UNIQUE id USING SRID " +srid;
            }
        }

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