Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/RiverAxisState.java @ 1745:4ae7df2a74ed

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Fix NPE in WDiff-diagram because no ranges present in masterartifact. flys-artifacts/trunk@3039 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Wed, 19 Oct 2011 16:06:01 +0000
parents fbe18ad4caff
children 092e1e5020bc
rev   line source
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796c54058dc4 Added artifacts/states for WMS background an river axis and a configuration for the output-defaults.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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1 package de.intevation.flys.artifacts.states;
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2
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3 import java.util.List;
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4 import java.util.Map;
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5
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6 import org.apache.log4j.Logger;
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7
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8 import de.intevation.artifacts.CallContext;
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9 import de.intevation.artifacts.CallMeta;
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10
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11 import de.intevation.artifactdatabase.state.Facet;
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12
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13 import de.intevation.flys.artifacts.FLYSArtifact;
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14 import de.intevation.flys.artifacts.context.FLYSContext;
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15 import de.intevation.flys.artifacts.model.WMSLayerFacet;
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16 import de.intevation.flys.artifacts.resources.Resources;
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17 import de.intevation.flys.artifacts.states.DefaultState.ComputeType;
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18 import de.intevation.flys.utils.FLYSUtils;
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19 import de.intevation.flys.utils.GeometryUtils;
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20
796c54058dc4 Added artifacts/states for WMS background an river axis and a configuration for the output-defaults.
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21
796c54058dc4 Added artifacts/states for WMS background an river axis and a configuration for the output-defaults.
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22 public class RiverAxisState extends OutputState {
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23
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24 public static final String I18N_DESCRIPTION = "floodmap.riveraxis";
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25
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26 public static final String WMS_LAYER_NAME = "riveraxis";
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27
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28
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29
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30 private static final Logger logger = Logger.getLogger(RiverAxisState.class);
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31
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32
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33 @Override
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34 public Object computeInit(
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35 FLYSArtifact artifact,
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36 String hash,
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37 Object context,
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38 CallMeta meta,
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39 List<Facet> facets
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40 ) {
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41 logger.debug("RiverAxisState.computeInit()");
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42
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43 FLYSContext flysContext = null;
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44
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45 if (context instanceof FLYSContext) {
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46 flysContext = (FLYSContext) context;
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47 }
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48 else {
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49 flysContext = (FLYSContext) ((CallContext) context).globalContext();
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50 }
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51
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52 Map<String, String> wms = (Map<String, String>)
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53 flysContext.get(FLYSContext.RIVER_WMS);
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54
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55 String river = artifact.getDataAsString("river");
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56
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57 if(river == null || river.length() == 0) {
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58 logger.warn("No river found in the current parameterization.");
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59 return null;
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60 }
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61
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62 String url = wms.get(river);
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63
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64 // TODO Add config for background layer
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65 WMSLayerFacet facet = new WMSLayerFacet(
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66 0,
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67 FLOODMAP_RIVERAXIS,
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68 Resources.getMsg(meta, I18N_DESCRIPTION, I18N_DESCRIPTION),
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69 ComputeType.INIT,
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70 getID(), hash,
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71 url);
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72
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73 facet.addLayer(WMS_LAYER_NAME);
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74 facet.setExtent(GeometryUtils.getRiverBounds(river));
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75 facet.setSrid(FLYSUtils.getRiverSrid(artifact));
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76
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77 facets.add(facet);
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78
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79 return null;
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80 }
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81 }
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82 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org