Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/exports/injector/KmFromGaugeNumberInjector.java @ 8858:a805211690f7 3.2.x

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Fix license headers.
author Tom Gottfried <tom@intevation.de>
date Thu, 18 Jan 2018 20:52:41 +0100
parents 16dc2da05aef
children 0a5239a1e46e
rev   line source
8858
a805211690f7 Fix license headers.
Tom Gottfried <tom@intevation.de>
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU AGPL (>=v3)
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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6 * documentation coming with Dive4Elements River for details.
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7 */
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8
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9 package org.dive4elements.river.exports.injector;
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10
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11 import org.apache.log4j.Logger;
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12 import org.dive4elements.artifacts.Artifact;
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13 import org.dive4elements.artifacts.CallContext;
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14 import org.dive4elements.artifacts.ContextInjector;
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15 import org.dive4elements.river.artifacts.D4EArtifact;
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16 import org.dive4elements.river.artifacts.access.HistoricalDischargeAccess;
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17 import org.dive4elements.river.model.Gauge;
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18 import org.w3c.dom.Document;
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19 import org.w3c.dom.Element;
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20
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21 import static org.dive4elements.river.exports.injector.InjectorConstants.CURRENT_KM;
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22
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23 public class KmFromGaugeNumberInjector
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24 implements ContextInjector
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25 {
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26 private static Logger log =
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27 Logger.getLogger(KmFromGaugeNumberInjector.class);
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28
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29 @Override
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30 public void setup(Element cfg) {
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31
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32 }
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33
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34 @Override
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35 public void injectContext(
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36 CallContext ctx,
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37 Artifact artifact,
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38 Document request
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39 ) {
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40 if (ctx.getContextValue(CURRENT_KM) instanceof Number) {
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41 return;
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42 }
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43
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44 HistoricalDischargeAccess access =
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45 new HistoricalDischargeAccess((D4EArtifact)artifact);
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46 Long gaugeNumber = access.getOfficialGaugeNumber();
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47 if (gaugeNumber == null) {
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48 return;
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49 }
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50 Gauge gauge = Gauge.getGaugeByOfficialNumber(gaugeNumber);
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51 if (gauge == null) {
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52 return;
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53 }
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54 double km = gauge.getStation().doubleValue();
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55 ctx.putContextValue(CURRENT_KM, km);
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56 }
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57 }
http://dive4elements.wald.intevation.org