Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/exports/injector/PNPInjector.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 47199406994a
children 0a5239a1e46e
rev   line source
8858
a805211690f7 Fix license headers.
Tom Gottfried <tom@intevation.de>
parents: 8724
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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Tom Gottfried <tom@intevation.de>
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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.RiverAccess;
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17 import org.dive4elements.river.model.River;
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18 import org.dive4elements.river.model.Gauge;
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19 import org.w3c.dom.Document;
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20 import org.w3c.dom.Element;
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21
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22 import static org.dive4elements.river.exports.injector.InjectorConstants.CURRENT_KM;
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23 import static org.dive4elements.river.exports.injector.InjectorConstants.PNP;
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24
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25 public class PNPInjector
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26 implements ContextInjector
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27 {
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28
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29 private Logger log = Logger.getLogger(PNPInjector.class);
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30 @Override
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31 public void setup(Element cfg) {
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32 // TODO Auto-generated method stub
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33
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34 }
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35
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36 @Override
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37 public void injectContext(
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38 CallContext ctx,
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39 Artifact artifact,
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40 Document request
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41 ) {
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42 Object currentKm = ctx.getContextValue(CURRENT_KM);
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43 if (currentKm == null) {
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44 log.debug("no current km. not injecting pnp");
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45 return;
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46 }
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47
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48 Double km = Double.valueOf(currentKm.toString());
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49 if (Double.isNaN(km) || Double.isInfinite(km)) {
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50 log.debug("current km is NAN or infinte. not injecting pnp.");
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51 return;
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52 }
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53
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54 River river = new RiverAccess((D4EArtifact)artifact).getRiver();
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55 if (river == null) {
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56 log.error("River not accessible from artifact. Not injecting PNP");
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57 return;
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58 }
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59
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60 Gauge gauge =
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61 river.determineGaugeAtStation(km);
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62 if (gauge == null) {
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63 log.debug("no gauge found at current km. not injecting pnp");
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64 return;
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65 }
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66 log.debug("injecting pnp: " + gauge.getDatum());
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67 ctx.putContextValue(PNP, gauge.getDatum());
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68 }
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69
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70 }
http://dive4elements.wald.intevation.org