Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/state/layer/LayerOutputState.java @ 636:22cc12b1622c

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Take parent states only to describe static user interface part - not the current state itself. gnv-artifacts/trunk@718 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Mon, 01 Mar 2010 14:15:33 +0000
parents 93978859fa9e
children 4fc97074eb90
rev   line source
616
93978859fa9e Added the Configuration and the Classes for the new Product Layer.
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1 /**
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2 *
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3 */
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4 package de.intevation.gnv.state.layer;
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5
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6 import java.io.OutputStream;
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7 import java.util.Collection;
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8 import java.util.Iterator;
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9
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10 import org.apache.log4j.Logger;
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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.artifactdatabase.Config;
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15 import de.intevation.artifactdatabase.XMLUtils;
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16 import de.intevation.artifacts.ArtifactNamespaceContext;
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17 import de.intevation.artifacts.CallContext;
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18 import de.intevation.gnv.geobackend.base.Result;
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19 import de.intevation.gnv.state.InputData;
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20 import de.intevation.gnv.state.OutputStateBase;
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21 import de.intevation.gnv.state.exception.StateException;
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22
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23 /**
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24 * @author Tim Englich <tim.englich@intevation.de>
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25 *
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26 */
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27 public class LayerOutputState extends OutputStateBase {
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28
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29 /**
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30 * the logger, used to log exceptions and additonaly information
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31 */
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32 private static Logger log = Logger.getLogger(LayerOutputState.class);
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33
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34 /**
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35 * The UID of this Class.
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36 */
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37 private static final long serialVersionUID = 9180957321704424049L;
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38
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39 /**
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40 * The ID for the Query fetching the Layer from the DB
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41 */
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42 private String dataQueryID = null;
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43 /**
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44 * Constructor
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45 */
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46 public LayerOutputState() {
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47 super();
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48 }
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49
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50 /**
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51 * @see de.intevation.gnv.state.OutputState#out(org.w3c.dom.Document,
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52 * java.util.Collection, java.io.OutputStream,
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53 * java.lang.String, de.intevation.artifacts.CallContext)
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54 */
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55 public void out(Document format, Collection<InputData> inputData,
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56 OutputStream outputStream, String uuid,
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57 CallContext callContext) throws StateException {
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58
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59 log.debug("LayerOutputState.out");
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60 String outputMode = XMLUtils.xpathString(
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61 format, XPATH_OUTPUT_MODE, ArtifactNamespaceContext.INSTANCE);
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62 if (outputMode.equalsIgnoreCase("wms")) {
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63 Collection<Result> data = this.fetchData();
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64 // TODO USE ME
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65 }else if (outputMode.equalsIgnoreCase("zip")){
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66 Collection<Result> data = this.fetchData();
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67 // TODO USE ME
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68 }
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69 }
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70
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71
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72 protected Collection<Result> fetchData(){
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73 log.debug("LayerOutputState.fetchData");
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74 // TODO PUT ALL in CACHE
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75 Collection<Result> result = this.getData(this.queryID);
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76 Collection<Result> data = null;
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77 if (result != null){
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78 Iterator<Result> it = result.iterator();
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79 String table = null;
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80 String where = null;
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81 if (it.hasNext()){
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82 Result resultValue = it.next();
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83 table = resultValue.getString(0);
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84 where = resultValue.getString(1);
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85 // TODO ADD SpatialFilter if Geometry is available
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86 }
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87
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88 data = null; // TODO Fetch the Data for the Layer and Trim the Geometries
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89 // using the Geometry if on is available.
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90 }
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91 return data;
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92 }
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93
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94 @Override
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95 public void setup(Node configuration) {
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96 log.debug("LayerOutputState.setup");
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97 super.setup(configuration);
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98 this.dataQueryID = Config.getStringXPath(configuration,"queryID-layerdata");
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99 }
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100
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101 }
http://dive4elements.wald.intevation.org