Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/exports/injector/KmFromGaugeNameInjector.java @ 8732:c0c162d7cb0e
(issue1754) Handle the case if no radius is given.
author | Tom Gottfried <tom@intevation.de> |
---|---|
date | Thu, 30 Apr 2015 18:13:15 +0200 |
parents | 8c60595fd74c |
children | 5e38e2924c07 |
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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.RangeAccess; 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 KmFromGaugeNameInjector implements ContextInjector { private static Logger log = Logger.getLogger(KmFromGaugeNameInjector.class); @Override public void setup(Element cfg) { } @Override public void injectContext(CallContext ctx, Artifact artifact, Document doc) { if (ctx.getContextValue(CURRENT_KM) instanceof Number) { return; } D4EArtifact d4e = (D4EArtifact)artifact; RangeAccess access = new RangeAccess(d4e); String name = d4e.getDataAsString("gauge_name"); if (name == null || name.equals("")) { return; } Gauge gauge = access.getRiver().determineGaugeByName(name); if (gauge == null) { log.error("No Gauge could be found for name " + name + "!"); return; } ctx.putContextValue(CURRENT_KM, gauge.getStation().doubleValue()); return; } }