Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/exports/injector/KmFromGaugeNumberInjector.java @ 8614:e7a2234e7c3f
(issue1608) Export appropiate data for different result types
author | Andre Heinecke <andre.heinecke@intevation.de> |
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date | Wed, 25 Mar 2015 11:25:28 +0100 |
parents | 16dc2da05aef |
children | a805211690f7 |
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package org.dive4elements.river.exports.injector; import org.apache.log4j.Logger; import org.dive4elements.artifacts.Artifact; import org.dive4elements.artifacts.CallContext; import org.dive4elements.artifacts.ContextInjector; import org.dive4elements.river.artifacts.D4EArtifact; import org.dive4elements.river.artifacts.access.HistoricalDischargeAccess; import org.dive4elements.river.model.Gauge; import org.w3c.dom.Document; import org.w3c.dom.Element; import static org.dive4elements.river.exports.injector.InjectorConstants.CURRENT_KM; public class KmFromGaugeNumberInjector implements ContextInjector { private static Logger log = Logger.getLogger(KmFromGaugeNumberInjector.class); @Override public void setup(Element cfg) { } @Override public void injectContext( CallContext ctx, Artifact artifact, Document request ) { if (ctx.getContextValue(CURRENT_KM) instanceof Number) { return; } HistoricalDischargeAccess access = new HistoricalDischargeAccess((D4EArtifact)artifact); Long gaugeNumber = access.getOfficialGaugeNumber(); if (gaugeNumber == null) { return; } Gauge gauge = Gauge.getGaugeByOfficialNumber(gaugeNumber); if (gauge == null) { return; } double km = gauge.getStation().doubleValue(); ctx.putContextValue(CURRENT_KM, km); } }