Mercurial > dive4elements > river
comparison artifacts/src/main/java/org/dive4elements/river/exports/injector/DischargeInjector.java @ 8251:c7ca9c228314
Added context injectors for discharge curves.
| author | Raimund Renkert <rrenkert@intevation.de> |
|---|---|
| date | Wed, 10 Sep 2014 10:01:11 +0200 |
| parents | |
| children | b5bef15c982e |
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| 8240:61fd22f65bd4 | 8251:c7ca9c228314 |
|---|---|
| 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.dive4elements.river.model.Gauge; | |
| 10 import org.w3c.dom.Document; | |
| 11 import org.w3c.dom.Element; | |
| 12 | |
| 13 import static org.dive4elements.river.exports.injector.InjectorConstants.CURRENT_KM; | |
| 14 import static org.dive4elements.river.exports.injector.InjectorConstants.GAUGE_EPSILON;; | |
| 15 | |
| 16 | |
| 17 public class DischargeInjector | |
| 18 implements ContextInjector | |
| 19 { | |
| 20 | |
| 21 private static Logger log = Logger.getLogger(DischargeInjector.class); | |
| 22 | |
| 23 @Override | |
| 24 public void setup(Element cfg) { | |
| 25 } | |
| 26 | |
| 27 @Override | |
| 28 public void injectContext(CallContext ctx, Artifact artifact, Document doc) { | |
| 29 RangeAccess access = new RangeAccess((D4EArtifact)artifact); | |
| 30 double km = access.getFrom(); | |
| 31 Gauge gauge = access.getRiver().determineGaugeByStation( | |
| 32 km - GAUGE_EPSILON, km + GAUGE_EPSILON); | |
| 33 if (gauge == null) { | |
| 34 log.error("No Gauge could be found at station " + km + "!"); | |
| 35 return; | |
| 36 } | |
| 37 ctx.putContextValue(CURRENT_KM, km); | |
| 38 } | |
| 39 | |
| 40 } |