Mercurial > dive4elements > river
comparison flys-artifacts/src/main/java/de/intevation/flys/artifacts/context/FLYSContext.java @ 3468:f37e7e8907cb
merged flys-artifacts/2.8.1
| author | Thomas Arendsen Hein <thomas@intevation.de> |
|---|---|
| date | Fri, 28 Sep 2012 12:14:39 +0200 |
| parents | 4fc442f1b4f6 |
| children | 28be160b5870 |
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| 3387:5ffad8bde8ad | 3468:f37e7e8907cb |
|---|---|
| 1 package de.intevation.flys.artifacts.context; | |
| 2 | |
| 3 import java.util.Map; | |
| 4 | |
| 5 import org.apache.log4j.Logger; | |
| 6 | |
| 7 import org.w3c.dom.Document; | |
| 8 | |
| 9 import de.intevation.artifactdatabase.DefaultArtifactContext; | |
| 10 import de.intevation.artifacts.CallContext; | |
| 11 import de.intevation.flys.exports.OutGenerator; | |
| 12 | |
| 13 | |
| 14 /** | |
| 15 * This class is used to store application wide information in a global context. | |
| 16 * | |
| 17 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> | |
| 18 */ | |
| 19 public class FLYSContext extends DefaultArtifactContext { | |
| 20 | |
| 21 /** The logger used in this class. */ | |
| 22 private static Logger logger = Logger.getLogger(FLYSContext.class); | |
| 23 | |
| 24 /** The key that is used to store the StateEngine in the context. */ | |
| 25 public static final String ARTIFACT_KEY = | |
| 26 "artifact"; | |
| 27 | |
| 28 /** The key that is used to store the TransitionEngine in the context. */ | |
| 29 public static final String TRANSITION_ENGINE_KEY = | |
| 30 "artifact.transition.engine"; | |
| 31 | |
| 32 /** The key that is used to store the StateEngine in the context. */ | |
| 33 public static final String STATE_ENGINE_KEY = | |
| 34 "artifact.state.engine"; | |
| 35 | |
| 36 /** The key that is used to store the Map of OutGenerator classes in the | |
| 37 * context. */ | |
| 38 public static final String OUTGENERATORS_KEY = | |
| 39 "flys.export.outgenerators"; | |
| 40 | |
| 41 /** The key that is used to store the map of themes in the context. */ | |
| 42 public static final String THEMES = | |
| 43 "flys.themes.map"; | |
| 44 | |
| 45 /** The key that is used to store a map of theme mappings in the context. */ | |
| 46 public static final String THEME_MAPPING = | |
| 47 "flys.themes.mapping.map"; | |
| 48 | |
| 49 /** The key that is used to store a map of WMS urls for each river. */ | |
| 50 public static final String RIVER_WMS = | |
| 51 "flys.floodmap.river.wms"; | |
| 52 | |
| 53 /** The key that is used to store an instance of Scheduler in the context.*/ | |
| 54 public static final String SCHEDULER = | |
| 55 "flys.wsplgen.scheduler"; | |
| 56 | |
| 57 | |
| 58 /** | |
| 59 * The default constructor. | |
| 60 */ | |
| 61 public FLYSContext() { | |
| 62 super(); | |
| 63 } | |
| 64 | |
| 65 | |
| 66 /** | |
| 67 * A constructor with a config document. | |
| 68 */ | |
| 69 public FLYSContext(Document config) { | |
| 70 super(config); | |
| 71 } | |
| 72 | |
| 73 /** | |
| 74 * Returns the OutGenerator for a specified <i>type</i>. | |
| 75 * | |
| 76 * @param name The name of the output type. | |
| 77 * @param type Defines the type of the desired OutGenerator. | |
| 78 * | |
| 79 * @return Instance of an OutGenerator for specified <i>type</i>. | |
| 80 */ | |
| 81 public static OutGenerator getOutGenerator( | |
| 82 CallContext context, | |
| 83 String name, | |
| 84 String type) | |
| 85 { | |
| 86 | |
| 87 FLYSContext flysContext = context instanceof FLYSContext | |
| 88 ? (FLYSContext) context | |
| 89 : (FLYSContext) context.globalContext(); | |
| 90 | |
| 91 Map<String, Class> generators = (Map<String, Class>) | |
| 92 flysContext.get(FLYSContext.OUTGENERATORS_KEY); | |
| 93 | |
| 94 if (generators == null) { | |
| 95 return null; | |
| 96 } | |
| 97 | |
| 98 Class clazz = generators.get(name); | |
| 99 | |
| 100 try { | |
| 101 return clazz != null ? (OutGenerator) clazz.newInstance() : null; | |
| 102 } | |
| 103 catch (InstantiationException ie) { | |
| 104 logger.error(ie, ie); | |
| 105 } | |
| 106 catch (IllegalAccessException iae) { | |
| 107 logger.error(iae, iae); | |
| 108 } | |
| 109 | |
| 110 return null; | |
| 111 } | |
| 112 } | |
| 113 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |