Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/RiverAxisState.java @ 1077:3067e700fc13
Minor cosmetics and docs.
flys-artifacts/trunk@2574 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
---|---|
date | Thu, 25 Aug 2011 10:34:20 +0000 |
parents | e7c1ebfc2701 |
children | adb52a2005e7 |
line wrap: on
line source
package de.intevation.flys.artifacts.states; import java.util.HashMap; import java.util.List; import java.util.Map; import javax.xml.xpath.XPathConstants; import com.vividsolutions.jts.geom.Geometry; import org.apache.log4j.Logger; import org.w3c.dom.Document; import de.intevation.artifacts.CallContext; import de.intevation.artifacts.CallMeta; import de.intevation.artifacts.common.utils.Config; import de.intevation.artifacts.common.utils.XMLUtils; import de.intevation.artifactdatabase.state.Facet; import de.intevation.flys.model.RiverAxis; import de.intevation.flys.artifacts.FLYSArtifact; import de.intevation.flys.artifacts.context.FLYSContext; import de.intevation.flys.artifacts.model.WMSLayerFacet; import de.intevation.flys.artifacts.resources.Resources; import de.intevation.flys.artifacts.states.DefaultState.ComputeType; import de.intevation.flys.utils.GeometryUtils; public class RiverAxisState extends OutputState { public static final String I18N_DESCRIPTION = "floodmap.riveraxis"; public static final String WMS_LAYER_NAME = "riveraxis"; public static final String XPATH_RIVER_PROJECTION = "/artifact-database/floodmap/river[@name=$name]/srid/@value"; private static final Logger logger = Logger.getLogger(RiverAxisState.class); @Override public Object computeInit( FLYSArtifact artifact, String hash, Object context, CallMeta meta, List<Facet> facets ) { logger.debug("RiverAxisState.computeInit()"); FLYSContext flysContext = null; if (context instanceof FLYSContext) { flysContext = (FLYSContext) context; } else { flysContext = (FLYSContext) ((CallContext) context).globalContext(); } Map<String, String> wms = (Map<String, String>) flysContext.get(FLYSContext.RIVER_WMS); String river = artifact.getDataAsString("river"); if(river == null || river.length() == 0) { logger.warn("No river found in the current parameterization."); return null; } String url = wms.get(river); // TODO Add config for background layer WMSLayerFacet facet = new WMSLayerFacet( 0, FLOODMAP_RIVERAXIS, Resources.getMsg(meta, I18N_DESCRIPTION, I18N_DESCRIPTION), ComputeType.INIT, getID(), hash, url); facet.addLayer(WMS_LAYER_NAME); RiverAxis axis = RiverAxis.getRiverAxis(river); if (axis != null) { // TODO Take the correct EPSG into account. Maybe, we need to // reproject the geometry. Geometry geom = axis.getGeom().getBoundary(); String bounds = GeometryUtils.jtsBoundsToOLBounds(geom); logger.debug("River '" + river + "' bounds: " + bounds); facet.setExtent(bounds); } Map<String, String> variables = new HashMap<String, String>(1); variables.put("name", river); Document cfg = Config.getConfig(); String srid = (String) XMLUtils.xpath( cfg, XPATH_RIVER_PROJECTION, XPathConstants.STRING, null, variables); facet.setSrid(srid); facets.add(facet); return null; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :