Mercurial > dive4elements > river
comparison artifacts/src/main/java/org/dive4elements/river/exports/injector/PNPInjector.java @ 8326:10917ec29625
Inject current km and pnp into the context used to calculate W in cm at gauge.
| author | Raimund Renkert <rrenkert@intevation.de> |
|---|---|
| date | Thu, 25 Sep 2014 17:23:12 +0200 |
| parents | c4bd57172aa7 |
| children | f5461750e5c7 |
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| 8321:a5e7e2d833ea | 8326:10917ec29625 |
|---|---|
| 1 package org.dive4elements.river.exports.injector; | 1 package org.dive4elements.river.exports.injector; |
| 2 | 2 |
| 3 import org.apache.log4j.Logger; | |
| 3 import org.dive4elements.artifacts.Artifact; | 4 import org.dive4elements.artifacts.Artifact; |
| 4 import org.dive4elements.artifacts.CallContext; | 5 import org.dive4elements.artifacts.CallContext; |
| 5 import org.dive4elements.artifacts.ContextInjector; | 6 import org.dive4elements.artifacts.ContextInjector; |
| 6 import org.dive4elements.river.artifacts.D4EArtifact; | 7 import org.dive4elements.river.artifacts.D4EArtifact; |
| 7 import org.dive4elements.river.artifacts.access.RiverAccess; | 8 import org.dive4elements.river.artifacts.access.RiverAccess; |
| 15 | 16 |
| 16 public class PNPInjector | 17 public class PNPInjector |
| 17 implements ContextInjector | 18 implements ContextInjector |
| 18 { | 19 { |
| 19 | 20 |
| 21 private Logger log = Logger.getLogger(PNPInjector.class); | |
| 20 @Override | 22 @Override |
| 21 public void setup(Element cfg) { | 23 public void setup(Element cfg) { |
| 22 // TODO Auto-generated method stub | 24 // TODO Auto-generated method stub |
| 23 | 25 |
| 24 } | 26 } |
| 29 Artifact artifact, | 31 Artifact artifact, |
| 30 Document request | 32 Document request |
| 31 ) { | 33 ) { |
| 32 Object currentKm = ctx.getContextValue(CURRENT_KM); | 34 Object currentKm = ctx.getContextValue(CURRENT_KM); |
| 33 if (currentKm == null) { | 35 if (currentKm == null) { |
| 36 log.debug("no current km. not injecting pnp"); | |
| 34 return; | 37 return; |
| 35 } | 38 } |
| 36 | 39 |
| 37 RiverAccess access = new RiverAccess((D4EArtifact)artifact); | 40 RiverAccess access = new RiverAccess((D4EArtifact)artifact); |
| 38 Double km = (Double)currentKm; | 41 Double km = Double.valueOf(currentKm.toString()); |
| 42 if (Double.isNaN(km) || Double.isInfinite(km)) { | |
| 43 log.debug("current km is NAN or infinte. not injecting pnp."); | |
| 44 return; | |
| 45 } | |
| 39 Gauge gauge = | 46 Gauge gauge = |
| 40 access.getRiver().determineGaugeByStation( | 47 access.getRiver().determineGaugeByStation( |
| 41 km - GAUGE_EPSILON, | 48 km - GAUGE_EPSILON, |
| 42 km + GAUGE_EPSILON); | 49 km + GAUGE_EPSILON); |
| 43 | 50 |
| 44 if (gauge == null) { | 51 if (gauge == null) { |
| 52 log.debug("no gauge found at current km. not injecting pnp"); | |
| 45 return; | 53 return; |
| 46 } | 54 } |
| 55 log.debug("injecting pnp: " + gauge.getDatum()); | |
| 47 ctx.putContextValue(PNP, gauge.getDatum()); | 56 ctx.putContextValue(PNP, gauge.getDatum()); |
| 48 } | 57 } |
| 49 | 58 |
| 50 } | 59 } |