Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/WMSBackgroundState.java @ 1063:e7c1ebfc2701

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Repaired xpath expressions for wms srid and background layers that broke after the floodmap config structure changed. flys-artifacts/trunk@2541 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Wed, 24 Aug 2011 07:51:12 +0000
parents ae198bef4ba0
children 7f5426c69ee0
rev   line source
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796c54058dc4 Added artifacts/states for WMS background an river axis and a configuration for the output-defaults.
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1 package de.intevation.flys.artifacts.states;
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2
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3 import java.util.HashMap;
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4 import java.util.List;
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5 import java.util.Map;
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6
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7 import javax.xml.xpath.XPathConstants;
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8
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9 import org.apache.log4j.Logger;
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10
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11 import org.w3c.dom.Document;
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12 import org.w3c.dom.Node;
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13
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14 import de.intevation.artifacts.CallMeta;
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15
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16 import de.intevation.artifacts.common.utils.Config;
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17 import de.intevation.artifacts.common.utils.XMLUtils;
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18
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19 import de.intevation.artifactdatabase.state.Facet;
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20
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21 import de.intevation.flys.artifacts.FLYSArtifact;
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22 import de.intevation.flys.artifacts.model.WMSLayerFacet;
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23 import de.intevation.flys.artifacts.resources.Resources;
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24 import de.intevation.flys.artifacts.states.DefaultState.ComputeType;
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25
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26
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27 public class WMSBackgroundState extends OutputState {
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28
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29 public static final String I18N_DESCRIPTION = "floodmap.wmsbackground";
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30
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31 public static final String XPATH_WMS_URL =
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32 "/artifact-database/floodmap/river[@name=$name]/background-wms/@url";
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33
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34 public static final String XPATH_WMS_LAYER =
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35 "/artifact-database/floodmap/river[@name=$name]/background-wms/@layers";
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36
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37
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38 protected String url;
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39 protected String layer;
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40
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41
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42 private static final Logger logger = Logger.getLogger(WMSBackgroundState.class);
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43
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44
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45 @Override
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46 public void setup(Node config) {
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47 super.setup(config);
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48
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49 logger.debug("WMSBackgroundState.setup()");
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50 }
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51
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52
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53 @Override
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54 public Object computeInit(
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55 FLYSArtifact artifact,
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56 String hash,
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57 Object context,
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58 CallMeta meta,
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59 List<Facet> facets
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60 ) {
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61 logger.debug("WMSBackgroundState.computeInit()");
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62
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63 if (url == null || layer == null) {
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64 Document cfg = Config.getConfig();
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65
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66 String river = artifact.getDataAsString("river");
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67
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68 Map<String, String> variables = new HashMap<String, String>();
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69 variables.put("name", river);
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70
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71 url = (String) XMLUtils.xpath(
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72 cfg,
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73 XPATH_WMS_URL,
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74 XPathConstants.STRING,
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75 null,
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76 variables);
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77
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78 layer = (String) XMLUtils.xpath(
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79 cfg,
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80 XPATH_WMS_LAYER,
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81 XPathConstants.STRING,
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82 null,
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83 variables);
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84 }
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85
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86 if (url == null || layer == null) {
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87 logger.warn("No background layers currently configured:");
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88 logger.warn("... add config for WMS url: " + XPATH_WMS_URL);
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89 logger.warn("... add config for WMS layer: " + XPATH_WMS_LAYER);
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90 return null;
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91 }
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92
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93 WMSLayerFacet facet = new WMSLayerFacet(
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94 0,
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95 FLOODMAP_WMSBACKGROUND,
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96 Resources.getMsg(meta, I18N_DESCRIPTION, I18N_DESCRIPTION),
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97 ComputeType.INIT,
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98 getID(), hash,
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99 url);
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100
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101 facet.addLayer(layer);
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102
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103 facets.add(facet);
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104
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105 return null;
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106 }
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107 }
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108 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org