Mercurial > dive4elements > river
comparison artifacts/src/main/java/org/dive4elements/river/exports/injector/KmFromLocationInjector.java @ 8349:7341bebc79d0
Let injectors be strictly distinct from each other and give more meaningful names (they know what they do, not where they will be used. The latter is configuration).
| author | Tom Gottfried <tom@intevation.de> |
|---|---|
| date | Wed, 01 Oct 2014 12:23:39 +0200 |
| parents | artifacts/src/main/java/org/dive4elements/river/exports/injector/ComputedDischargeInjector.java@10917ec29625 |
| children | 16dc2da05aef |
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| 8348:dc3f55141299 | 8349:7341bebc79d0 |
|---|---|
| 1 package org.dive4elements.river.exports.injector; | |
| 2 | |
| 3 import org.apache.log4j.Logger; | |
| 4 import org.dive4elements.artifacts.Artifact; | |
| 5 import org.dive4elements.artifacts.CallContext; | |
| 6 import org.dive4elements.artifacts.ContextInjector; | |
| 7 import org.dive4elements.river.artifacts.D4EArtifact; | |
| 8 import org.dive4elements.river.artifacts.access.RangeAccess; | |
| 9 import org.w3c.dom.Document; | |
| 10 import org.w3c.dom.Element; | |
| 11 | |
| 12 import static org.dive4elements.river.exports.injector.InjectorConstants.CURRENT_KM; | |
| 13 | |
| 14 public class KmFromLocationInjector | |
| 15 implements ContextInjector | |
| 16 { | |
| 17 | |
| 18 private static Logger log = Logger.getLogger(KmFromLocationInjector.class); | |
| 19 | |
| 20 @Override | |
| 21 public void setup(Element cfg) { | |
| 22 } | |
| 23 | |
| 24 @Override | |
| 25 public void injectContext( | |
| 26 CallContext ctx, | |
| 27 Artifact artifact, | |
| 28 Document doc | |
| 29 ) { | |
| 30 RangeAccess access = new RangeAccess((D4EArtifact)artifact); | |
| 31 if (access.getLocations() != null && | |
| 32 access.getLocations().length > 0) { | |
| 33 ctx.putContextValue(CURRENT_KM, access.getLocations()[0]); | |
| 34 return; | |
| 35 } | |
| 36 log.warn("No locations accessible."); | |
| 37 } | |
| 38 } |