Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/artifacts/WMSKmArtifact.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 | e4606eae8ea5 |
children | 0a5239a1e46e |
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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 com.vividsolutions.jts.geom.Geometry; import org.dive4elements.artifacts.ArtifactFactory; import org.dive4elements.artifacts.CallMeta; import org.dive4elements.artifactdatabase.state.Facet; import org.dive4elements.artifactdatabase.state.DefaultOutput; import org.dive4elements.artifactdatabase.state.State; import org.dive4elements.river.model.River; import org.dive4elements.river.model.RiverAxisKm; import org.dive4elements.river.artifacts.WMSDBArtifact.WMSDBState; 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 WMSKmArtifact extends WMSDBArtifact { public static final String NAME = "wmskm"; private static final Logger log = Logger.getLogger(WMSKmArtifact.class); @Override public void setup( String identifier, ArtifactFactory factory, Object context, CallMeta callMeta, Document data, List<Class> loadFacets) { log.debug("WMSKmArtifact.setup"); super.setup(identifier, factory, context, callMeta, data, loadFacets); } @Override public String getName() { return NAME; } @Override public State getCurrentState(Object cc) { State s = new WMSKmState(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 WMSKmState extends WMSDBState implements FacetTypes { private static final Logger log = Logger.getLogger(WMSKmState.class); protected Geometry geom; protected int riverId; public WMSKmState(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) { log.error("Cannot parse river id from '" + ids + "'"); } } return riverId; } @Override protected String getFacetType() { return FLOODMAP_KMS; } @Override protected String getUrl() { return RiverUtils.getUserWMSUrl(artifact.identifier()); } @Override protected String getSrid() { River river = RiverFactory.getRiver(getRiverId()); return RiverUtils.getRiverSrid(river.getName()); } @Override protected Envelope getExtent(boolean reproject) { List<RiverAxisKm> kms = RiverAxisKm.getRiverAxisKms(getRiverId()); Envelope max = null; for (RiverAxisKm km: kms) { Envelope env = km.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 (RiverUtils.isUsingOracle()) { return "geom FROM river_axes_km USING SRID " + srid; } else { return "geom FROM river_axes_km " + "USING UNIQUE id USING SRID " + srid; } } @Override protected String getLabelItem() { return "km"; } @Override protected String getGeometryType() { return "POINT"; } } // end of WMSKmState } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :