teichmann@5863: /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
teichmann@5863:  * Software engineering by Intevation GmbH
teichmann@5863:  *
teichmann@5994:  * This file is Free Software under the GNU AGPL (>=v3)
teichmann@5863:  * and comes with ABSOLUTELY NO WARRANTY! Check out the
teichmann@5994:  * documentation coming with Dive4Elements River for details.
teichmann@5863:  */
teichmann@5863: 
teichmann@5831: package org.dive4elements.river.artifacts;
ingo@1855: 
ingo@1855: import java.util.List;
ingo@1855: 
ingo@1855: import org.w3c.dom.Document;
ingo@1855: 
ingo@1855: import org.apache.log4j.Logger;
ingo@1855: 
ingo@1855: import com.vividsolutions.jts.geom.Envelope;
ingo@1855: 
teichmann@5831: import org.dive4elements.artifacts.ArtifactFactory;
teichmann@5831: import org.dive4elements.artifacts.CallMeta;
ingo@1855: 
teichmann@5831: import org.dive4elements.artifactdatabase.state.DefaultOutput;
teichmann@5831: import org.dive4elements.artifactdatabase.state.Facet;
teichmann@5831: import org.dive4elements.artifactdatabase.state.State;
ingo@1855: 
teichmann@5831: import org.dive4elements.river.model.HWSLine;
teichmann@5831: import org.dive4elements.river.model.River;
teichmann@5831: 
teichmann@5831: import org.dive4elements.river.artifacts.model.FacetTypes;
teichmann@5831: import org.dive4elements.river.artifacts.model.RiverFactory;
teichmann@5865: import org.dive4elements.river.utils.RiverUtils;
teichmann@5831: import org.dive4elements.river.utils.GeometryUtils;
ingo@1855: 
ingo@1855: 
aheinecke@5347: public class WMSHWSLinesArtifact extends WMSDBArtifact {
ingo@1855: 
aheinecke@5347:     public static final String NAME = "hws_lines";
ingo@1855: 
ingo@1855: 
ingo@1855:     private static final Logger logger =
aheinecke@5347:         Logger.getLogger(WMSHWSLinesArtifact.class);
ingo@1855: 
ingo@1855: 
ingo@1855:     @Override
ingo@1855:     public void setup(
ingo@1855:         String          identifier,
ingo@1855:         ArtifactFactory factory,
ingo@1855:         Object          context,
ingo@1855:         CallMeta        callMeta,
ingo@1855:         Document        data)
ingo@1855:     {
aheinecke@5347:         logger.debug("WMSHWSLinesArtifact.setup");
ingo@1855: 
ingo@1855:         super.setup(identifier, factory, context, callMeta, data);
ingo@1855:     }
ingo@1855: 
ingo@1855: 
ingo@1855:     @Override
ingo@1855:     public String getName() {
ingo@1855:         return NAME;
ingo@1855:     }
ingo@1855: 
ingo@1855: 
ingo@1855:     @Override
ingo@1855:     public State getCurrentState(Object cc) {
aheinecke@5347:         State s = new HWSLinesState(this);
ingo@1855: 
bjoern@4497:         List<Facet> fs = getFacets(getCurrentStateId());
ingo@1855: 
ingo@1855:         DefaultOutput o = new DefaultOutput(
ingo@1855:             "floodmap",
ingo@1855:             "floodmap",
ingo@1855:             "image/png",
ingo@1855:             fs,
ingo@1855:             "map");
ingo@1855: 
ingo@1855:         s.getOutputs().add(o);
ingo@1855: 
ingo@1855:         return s;
ingo@1855:     }
ingo@1855: 
ingo@1855: 
aheinecke@5347:     public static class HWSLinesState extends WMSDBState implements FacetTypes
ingo@1855:     {
ingo@1855:         private static final Logger logger =
aheinecke@5347:             Logger.getLogger(HWSLinesState.class);
ingo@1855: 
ingo@1855:         protected int riverId;
ingo@1855: 
aheinecke@5347:         public HWSLinesState(WMSDBArtifact artifact) {
ingo@1855:             super(artifact);
ingo@1855:             riverId = 0;
ingo@1855:         }
ingo@1855: 
ingo@1855:         public int getRiverId() {
ingo@1855:             if (riverId == 0) {
ingo@2672:                 String   ids   = artifact.getDataAsString("ids");
ingo@2672:                 String[] parts = ids.split(";");
ingo@1855: 
ingo@1855:                 try {
sascha@3405:                     riverId = Integer.parseInt(parts[0]);
ingo@1855:                 }
ingo@1855:                 catch (NumberFormatException nfe) {
ingo@2672:                     logger.error("Cannot parse river id from '" + parts[0] + "'");
ingo@1855:                 }
ingo@1855:             }
ingo@1855: 
ingo@1855:             return riverId;
ingo@1855:         }
ingo@1855: 
ingo@1855:         @Override
ingo@1855:         protected String getFacetType() {
aheinecke@5347:             return FLOODMAP_HWS_LINES;
ingo@1855:         }
ingo@1855: 
ingo@1855:         @Override
ingo@1855:         protected String getUrl() {
teichmann@5865:             return RiverUtils.getUserWMSUrl(artifact.identifier());
ingo@1855:         }
ingo@1855: 
ingo@1855:         @Override
ingo@1855:         protected String getSrid() {
ingo@1855:             River river = RiverFactory.getRiver(getRiverId());
teichmann@5865:             return RiverUtils.getRiverSrid(river.getName());
ingo@1855:         }
ingo@1855: 
ingo@1855:         @Override
ingo@3918:         protected Envelope getExtent(boolean reproject) {
aheinecke@5094:             List<HWSLine> hws = HWSLine.getLines(getRiverId(), getName());
ingo@1855: 
ingo@1855:             Envelope max = null;
ingo@1855: 
aheinecke@5094:             for (HWSLine h: hws) {
ingo@1855:                 Envelope env = h.getGeom().getEnvelopeInternal();
ingo@1855: 
ingo@1855:                 if (max == null) {
ingo@1855:                     max = env;
ingo@1855:                     continue;
ingo@1855:                 }
ingo@1855: 
ingo@1855:                 max.expandToInclude(env);
ingo@1855:             }
ingo@1855: 
ingo@3918:             return max != null && reproject
ingo@3301:                 ? GeometryUtils.transform(max, getSrid())
ingo@3301:                 : max;
ingo@1855:         }
ingo@1855: 
ingo@1855:         @Override
ingo@1855:         protected String getFilter() {
ingo@2672:             return "river_id=" + String.valueOf(getRiverId())
ingo@2672:                 + " AND name='" + getName() + "'";
ingo@1855:         }
ingo@1855: 
ingo@1855:         @Override
ingo@1855:         protected String getDataString() {
ingo@1855:             String srid = getSrid();
ingo@1855: 
teichmann@5865:             if (RiverUtils.isUsingOracle()) {
aheinecke@5347:                 return "geom FROM hws_lines USING SRID " + srid;
ingo@1855:             }
ingo@1855:             else {
aheinecke@5347:                 return "geom FROM hws_lines USING UNIQUE id USING SRID " + srid;
ingo@1855:             }
ingo@1855:         }
ingo@1855: 
ingo@1855:         @Override
ingo@1855:         protected String getGeometryType() {
ingo@1855:             return "LINE";
ingo@1855:         }
aheinecke@5347:     }
ingo@1855: }
ingo@1855: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :