Mercurial > dive4elements > gnv-client
comparison gnv-artifacts/src/main/java/de/intevation/gnv/state/layer/LayerOutputState.java @ 616:93978859fa9e
Added the Configuration and the Classes for the new Product Layer.
The Product does not generate any output at this Time.
gnv-artifacts/trunk@686 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Tim Englich <tim.englich@intevation.de> |
|---|---|
| date | Fri, 12 Feb 2010 18:04:58 +0000 |
| parents | |
| children | 4fc97074eb90 |
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| 615:01054ddccb0f | 616:93978859fa9e |
|---|---|
| 1 /** | |
| 2 * | |
| 3 */ | |
| 4 package de.intevation.gnv.state.layer; | |
| 5 | |
| 6 import java.io.OutputStream; | |
| 7 import java.util.Collection; | |
| 8 import java.util.Iterator; | |
| 9 | |
| 10 import org.apache.log4j.Logger; | |
| 11 import org.w3c.dom.Document; | |
| 12 import org.w3c.dom.Node; | |
| 13 | |
| 14 import de.intevation.artifactdatabase.Config; | |
| 15 import de.intevation.artifactdatabase.XMLUtils; | |
| 16 import de.intevation.artifacts.ArtifactNamespaceContext; | |
| 17 import de.intevation.artifacts.CallContext; | |
| 18 import de.intevation.gnv.geobackend.base.Result; | |
| 19 import de.intevation.gnv.state.InputData; | |
| 20 import de.intevation.gnv.state.OutputStateBase; | |
| 21 import de.intevation.gnv.state.exception.StateException; | |
| 22 | |
| 23 /** | |
| 24 * @author Tim Englich <tim.englich@intevation.de> | |
| 25 * | |
| 26 */ | |
| 27 public class LayerOutputState extends OutputStateBase { | |
| 28 | |
| 29 /** | |
| 30 * the logger, used to log exceptions and additonaly information | |
| 31 */ | |
| 32 private static Logger log = Logger.getLogger(LayerOutputState.class); | |
| 33 | |
| 34 /** | |
| 35 * The UID of this Class. | |
| 36 */ | |
| 37 private static final long serialVersionUID = 9180957321704424049L; | |
| 38 | |
| 39 /** | |
| 40 * The ID for the Query fetching the Layer from the DB | |
| 41 */ | |
| 42 private String dataQueryID = null; | |
| 43 /** | |
| 44 * Constructor | |
| 45 */ | |
| 46 public LayerOutputState() { | |
| 47 super(); | |
| 48 } | |
| 49 | |
| 50 /** | |
| 51 * @see de.intevation.gnv.state.OutputState#out(org.w3c.dom.Document, | |
| 52 * java.util.Collection, java.io.OutputStream, | |
| 53 * java.lang.String, de.intevation.artifacts.CallContext) | |
| 54 */ | |
| 55 public void out(Document format, Collection<InputData> inputData, | |
| 56 OutputStream outputStream, String uuid, | |
| 57 CallContext callContext) throws StateException { | |
| 58 | |
| 59 log.debug("LayerOutputState.out"); | |
| 60 String outputMode = XMLUtils.xpathString( | |
| 61 format, XPATH_OUTPUT_MODE, ArtifactNamespaceContext.INSTANCE); | |
| 62 if (outputMode.equalsIgnoreCase("wms")) { | |
| 63 Collection<Result> data = this.fetchData(); | |
| 64 // TODO USE ME | |
| 65 }else if (outputMode.equalsIgnoreCase("zip")){ | |
| 66 Collection<Result> data = this.fetchData(); | |
| 67 // TODO USE ME | |
| 68 } | |
| 69 } | |
| 70 | |
| 71 | |
| 72 protected Collection<Result> fetchData(){ | |
| 73 log.debug("LayerOutputState.fetchData"); | |
| 74 // TODO PUT ALL in CACHE | |
| 75 Collection<Result> result = this.getData(this.queryID); | |
| 76 Collection<Result> data = null; | |
| 77 if (result != null){ | |
| 78 Iterator<Result> it = result.iterator(); | |
| 79 String table = null; | |
| 80 String where = null; | |
| 81 if (it.hasNext()){ | |
| 82 Result resultValue = it.next(); | |
| 83 table = resultValue.getString(0); | |
| 84 where = resultValue.getString(1); | |
| 85 // TODO ADD SpatialFilter if Geometry is available | |
| 86 } | |
| 87 | |
| 88 data = null; // TODO Fetch the Data for the Layer and Trim the Geometries | |
| 89 // using the Geometry if on is available. | |
| 90 } | |
| 91 return data; | |
| 92 } | |
| 93 | |
| 94 @Override | |
| 95 public void setup(Node configuration) { | |
| 96 log.debug("LayerOutputState.setup"); | |
| 97 super.setup(configuration); | |
| 98 this.dataQueryID = Config.getStringXPath(configuration,"queryID-layerdata"); | |
| 99 } | |
| 100 | |
| 101 } |