view flys-artifacts/src/main/java/de/intevation/flys/artifacts/WMSQPSArtifact.java @ 4269:0c766c475805

Add Panel and Tree UI classes for dispayling the measurement station info The new ui classes are using the new extracted base class InfoPanel and InfoTree which are in common with the gauge info.
author Björn Ricks <bjoern.ricks@intevation.de>
date Fri, 26 Oct 2012 12:22:06 +0200
parents 2fdbe78a8fc2
children a2735a4bf75e
line wrap: on
line source
package de.intevation.flys.artifacts;

import java.util.List;

import org.w3c.dom.Document;

import org.apache.log4j.Logger;

import com.vividsolutions.jts.geom.Envelope;

import de.intevation.artifacts.ArtifactFactory;
import de.intevation.artifacts.CallMeta;

import de.intevation.artifactdatabase.state.DefaultOutput;
import de.intevation.artifactdatabase.state.Facet;
import de.intevation.artifactdatabase.state.State;

import de.intevation.flys.model.River;
import de.intevation.flys.model.CrossSectionTrack;

import de.intevation.flys.artifacts.model.FacetTypes;
import de.intevation.flys.artifacts.model.RiverFactory;
import de.intevation.flys.utils.FLYSUtils;
import de.intevation.flys.utils.GeometryUtils;


public class WMSQPSArtifact extends WMSDBArtifact {

    public static final String NAME = "qps";


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


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

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


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


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

        List<Facet> fs = facets.get(getCurrentStateId());

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

        s.getOutputs().add(o);

        return s;
    }


    public static class WMSQPSState extends WMSDBState implements FacetTypes {

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

        protected int riverId;

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

        public int getRiverId() {
            if (riverId == 0) {
                String ids = artifact.getDataAsString("ids");

                try {
                    riverId = Integer.parseInt(ids);
                }
                catch (NumberFormatException nfe) {
                    logger.error("Cannot parse river id from '" + ids + "'");
                }
            }

            return riverId;
        }

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

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

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

        @Override
        protected Envelope getExtent(boolean reproject) {
            River river = RiverFactory.getRiver(getRiverId());

            List<CrossSectionTrack> qps =
                CrossSectionTrack.getCrossSectionTrack(river.getName());

            Envelope max = null;

            for (CrossSectionTrack qp: qps) {
                Envelope env = qp.getGeom().getEnvelopeInternal();

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

                max.expandToInclude(env);
            }

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

        @Override
        protected String getFilter() {
            return "river_id=" + String.valueOf(getRiverId());
        }

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

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

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