Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/artifacts/WMSBuildingsArtifact.java @ 9425:3f49835a00c3
Extended CrossSectionFacet so it may fetch different data from within the artifact result.
Also allows to have acces to the potentially already computed artifact result via its normal computation cache.
author | gernotbelger |
---|---|
date | Fri, 17 Aug 2018 15:31:02 +0200 |
parents | 5e38e2924c07 |
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.apache.log4j.Logger; import com.vividsolutions.jts.geom.Envelope; import org.dive4elements.artifactdatabase.state.DefaultOutput; import org.dive4elements.artifactdatabase.state.Facet; import org.dive4elements.artifactdatabase.state.State; import org.dive4elements.river.model.River; import org.dive4elements.river.model.Building; 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 WMSBuildingsArtifact extends WMSDBArtifact { public static final String NAME = "buildings"; @Override public String getName() { return NAME; } @Override public State getCurrentState(Object cc) { State s = new BuildingsState(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 BuildingsState extends WMSDBState implements FacetTypes { private static final Logger log = Logger.getLogger(BuildingsState.class); protected int riverId; public BuildingsState(WMSDBArtifact artifact) { super(artifact); riverId = 0; } @Override protected String getFacetType() { return FLOODMAP_BUILDINGS; } @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<Building> buildings; String kind = getIdPart(2); if (kind != null) { buildings = Building.getBuildings( getRiverId(), Integer.parseInt(kind)); } else { buildings = Building.getBuildings(getRiverId(), name); } Envelope max = null; for (Building b: buildings) { Envelope env = b.getGeom().getEnvelopeInternal(); if (max == null) { max = env; continue; } max.expandToInclude(env); } return max != null && reproject ? GeometryUtils.transform(max, getSrid()) : max; } @Override protected String getFilter() { // The expected id string is: // river_id;layer-name;kind String kind = getIdPart(2); if (kind != null) { // If kind is provided we filter by kind return "river_id=" + String.valueOf(getRiverId()) + " AND kind_id=" + kind; } return "river_id=" + String.valueOf(getRiverId()) + " AND name='" + getName() + "'"; } @Override protected String getDataString() { String srid = getSrid(); if (RiverUtils.isUsingOracle()) { return "geom FROM buildings USING SRID " + srid; } else { return "geom FROM buildings USING UNIQUE id USING SRID " + srid; } } @Override protected String getGeometryType() { return "LINE"; } } // end of WMSKmState } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :