Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/exports/injector/KmFromGaugeNameInjector.java @ 8367:16dc2da05aef

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Overwriting the current km in context gives unexpected results if artifacts from different km have been loaded.
author Tom Gottfried <tom@intevation.de>
date Thu, 02 Oct 2014 11:46:44 +0200
parents 7341bebc79d0
children 8c60595fd74c
rev   line source
8251
c7ca9c228314 Added context injectors for discharge curves.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
1 package org.dive4elements.river.exports.injector;
c7ca9c228314 Added context injectors for discharge curves.
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2
c7ca9c228314 Added context injectors for discharge curves.
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3 import org.apache.log4j.Logger;
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4 import org.dive4elements.artifacts.Artifact;
c7ca9c228314 Added context injectors for discharge curves.
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5 import org.dive4elements.artifacts.CallContext;
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6 import org.dive4elements.artifacts.ContextInjector;
c7ca9c228314 Added context injectors for discharge curves.
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7 import org.dive4elements.river.artifacts.D4EArtifact;
c7ca9c228314 Added context injectors for discharge curves.
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parents:
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8 import org.dive4elements.river.artifacts.access.RangeAccess;
c7ca9c228314 Added context injectors for discharge curves.
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9 import org.dive4elements.river.model.Gauge;
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Raimund Renkert <rrenkert@intevation.de>
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10 import org.w3c.dom.Document;
c7ca9c228314 Added context injectors for discharge curves.
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11 import org.w3c.dom.Element;
c7ca9c228314 Added context injectors for discharge curves.
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12
c7ca9c228314 Added context injectors for discharge curves.
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13 import static org.dive4elements.river.exports.injector.InjectorConstants.CURRENT_KM;
c7ca9c228314 Added context injectors for discharge curves.
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14
c7ca9c228314 Added context injectors for discharge curves.
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15
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).
Tom Gottfried <tom@intevation.de>
parents: 8346
diff changeset
16 public class KmFromGaugeNameInjector
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c7ca9c228314 Added context injectors for discharge curves.
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17 implements ContextInjector
c7ca9c228314 Added context injectors for discharge curves.
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18 {
c7ca9c228314 Added context injectors for discharge curves.
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19
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).
Tom Gottfried <tom@intevation.de>
parents: 8346
diff changeset
20 private static Logger log = Logger.getLogger(KmFromGaugeNameInjector.class);
8251
c7ca9c228314 Added context injectors for discharge curves.
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parents:
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21
c7ca9c228314 Added context injectors for discharge curves.
Raimund Renkert <rrenkert@intevation.de>
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22 @Override
c7ca9c228314 Added context injectors for discharge curves.
Raimund Renkert <rrenkert@intevation.de>
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23 public void setup(Element cfg) {
c7ca9c228314 Added context injectors for discharge curves.
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24 }
c7ca9c228314 Added context injectors for discharge curves.
Raimund Renkert <rrenkert@intevation.de>
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25
c7ca9c228314 Added context injectors for discharge curves.
Raimund Renkert <rrenkert@intevation.de>
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26 @Override
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27 public void injectContext(CallContext ctx, Artifact artifact, Document doc) {
8367
16dc2da05aef Overwriting the current km in context gives unexpected results if artifacts from different km have been loaded.
Tom Gottfried <tom@intevation.de>
parents: 8349
diff changeset
28 if (ctx.getContextValue(CURRENT_KM) instanceof Number) {
16dc2da05aef Overwriting the current km in context gives unexpected results if artifacts from different km have been loaded.
Tom Gottfried <tom@intevation.de>
parents: 8349
diff changeset
29 return;
16dc2da05aef Overwriting the current km in context gives unexpected results if artifacts from different km have been loaded.
Tom Gottfried <tom@intevation.de>
parents: 8349
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30 }
16dc2da05aef Overwriting the current km in context gives unexpected results if artifacts from different km have been loaded.
Tom Gottfried <tom@intevation.de>
parents: 8349
diff changeset
31
8326
10917ec29625 Inject current km and pnp into the context used to calculate W in cm at gauge.
Raimund Renkert <rrenkert@intevation.de>
parents: 8282
diff changeset
32 D4EArtifact d4e = (D4EArtifact)artifact;
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).
Tom Gottfried <tom@intevation.de>
parents: 8346
diff changeset
33 RangeAccess access = new RangeAccess(d4e);
8326
10917ec29625 Inject current km and pnp into the context used to calculate W in cm at gauge.
Raimund Renkert <rrenkert@intevation.de>
parents: 8282
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34 String name = d4e.getDataAsString("gauge_name");
10917ec29625 Inject current km and pnp into the context used to calculate W in cm at gauge.
Raimund Renkert <rrenkert@intevation.de>
parents: 8282
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35 if (name == null || name.equals("")) {
8251
c7ca9c228314 Added context injectors for discharge curves.
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36 return;
c7ca9c228314 Added context injectors for discharge curves.
Raimund Renkert <rrenkert@intevation.de>
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37 }
8326
10917ec29625 Inject current km and pnp into the context used to calculate W in cm at gauge.
Raimund Renkert <rrenkert@intevation.de>
parents: 8282
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38 Gauge gauge = access.getRiver().determineGaugeByName(name);
10917ec29625 Inject current km and pnp into the context used to calculate W in cm at gauge.
Raimund Renkert <rrenkert@intevation.de>
parents: 8282
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39 if (gauge == null) {
10917ec29625 Inject current km and pnp into the context used to calculate W in cm at gauge.
Raimund Renkert <rrenkert@intevation.de>
parents: 8282
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40 log.error("No Gauge could be found for name " + name + "!");
10917ec29625 Inject current km and pnp into the context used to calculate W in cm at gauge.
Raimund Renkert <rrenkert@intevation.de>
parents: 8282
diff changeset
41 return;
10917ec29625 Inject current km and pnp into the context used to calculate W in cm at gauge.
Raimund Renkert <rrenkert@intevation.de>
parents: 8282
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42 }
10917ec29625 Inject current km and pnp into the context used to calculate W in cm at gauge.
Raimund Renkert <rrenkert@intevation.de>
parents: 8282
diff changeset
43 ctx.putContextValue(CURRENT_KM, gauge.getStation());
10917ec29625 Inject current km and pnp into the context used to calculate W in cm at gauge.
Raimund Renkert <rrenkert@intevation.de>
parents: 8282
diff changeset
44 return;
8251
c7ca9c228314 Added context injectors for discharge curves.
Raimund Renkert <rrenkert@intevation.de>
parents:
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45 }
c7ca9c228314 Added context injectors for discharge curves.
Raimund Renkert <rrenkert@intevation.de>
parents:
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46
c7ca9c228314 Added context injectors for discharge curves.
Raimund Renkert <rrenkert@intevation.de>
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47 }
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