Mercurial > dive4elements > river
comparison flys-client/src/main/java/de/intevation/flys/client/server/MapHelper.java @ 1376:28eb4dfe2cbf
Call Collection.doOut to retrieve a map config and use this config to build up an OpenLayers map.
flys-client/trunk@3096 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
|---|---|
| date | Fri, 28 Oct 2011 06:12:51 +0000 |
| parents | |
| children | e3bd1f412421 |
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| 1375:dc715351527f | 1376:28eb4dfe2cbf |
|---|---|
| 1 package de.intevation.flys.client.server; | |
| 2 | |
| 3 import org.w3c.dom.Document; | |
| 4 | |
| 5 import org.apache.log4j.Logger; | |
| 6 | |
| 7 import de.intevation.artifacts.common.ArtifactNamespaceContext; | |
| 8 import de.intevation.artifacts.common.utils.XMLUtils; | |
| 9 | |
| 10 import de.intevation.flys.client.shared.model.MapConfig; | |
| 11 | |
| 12 | |
| 13 public class MapHelper { | |
| 14 | |
| 15 private static final Logger logger = Logger.getLogger(MapHelper.class); | |
| 16 | |
| 17 | |
| 18 public static final String XPATH_SRID = | |
| 19 "/art:floodmap/art:srid/text()"; | |
| 20 | |
| 21 public static final String XPATH_MAX_EXTENT = | |
| 22 "/art:floodmap/art:maxExtent/text()"; | |
| 23 | |
| 24 public static final String XPATH_INITIAL_EXTENT = | |
| 25 "/art:floodmap/art:initialExtent/text()"; | |
| 26 | |
| 27 | |
| 28 private MapHelper() { | |
| 29 } | |
| 30 | |
| 31 | |
| 32 public static MapConfig parseConfig(Document raw) { | |
| 33 logger.debug("MapHelper.parseConfig"); | |
| 34 | |
| 35 logger.debug(XMLUtils.toString(raw)); | |
| 36 | |
| 37 MapConfig config = new MapConfig(); | |
| 38 | |
| 39 setSrid(config, raw); | |
| 40 setMaxExtent(config, raw); | |
| 41 setInitialExtent(config, raw); | |
| 42 | |
| 43 return config; | |
| 44 } | |
| 45 | |
| 46 | |
| 47 protected static void setSrid(MapConfig config, Document raw) { | |
| 48 String srid = (String) XMLUtils.xpathString( | |
| 49 raw, | |
| 50 XPATH_SRID, | |
| 51 ArtifactNamespaceContext.INSTANCE); | |
| 52 | |
| 53 logger.debug("Found srid: '" + srid + "'"); | |
| 54 | |
| 55 if (srid != null && srid.length() > 0) { | |
| 56 logger.debug("Set srid: '" + srid + "'"); | |
| 57 config.setSrid(srid); | |
| 58 } | |
| 59 } | |
| 60 | |
| 61 | |
| 62 protected static void setMaxExtent(MapConfig config, Document raw) { | |
| 63 String maxExtent = (String) XMLUtils.xpathString( | |
| 64 raw, | |
| 65 XPATH_MAX_EXTENT, | |
| 66 ArtifactNamespaceContext.INSTANCE); | |
| 67 | |
| 68 logger.debug("Found max extent: '" + maxExtent + "'"); | |
| 69 | |
| 70 if (maxExtent != null && maxExtent.length() > 0) { | |
| 71 logger.debug("Set max extent: '" + maxExtent + "'"); | |
| 72 config.setMaxExtent(maxExtent); | |
| 73 } | |
| 74 } | |
| 75 | |
| 76 | |
| 77 protected static void setInitialExtent(MapConfig config, Document raw) { | |
| 78 String initialExtent = (String) XMLUtils.xpathString( | |
| 79 raw, | |
| 80 XPATH_INITIAL_EXTENT, | |
| 81 ArtifactNamespaceContext.INSTANCE); | |
| 82 | |
| 83 if (initialExtent != null && initialExtent.length() > 0) { | |
| 84 logger.debug("Set initial extent: '" + initialExtent + "'"); | |
| 85 config.setInitialExtent(initialExtent); | |
| 86 } | |
| 87 } | |
| 88 } | |
| 89 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |