Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/exports/fixings/FixChartGenerator.java @ 9726:0a5239a1e46e 3.2.x

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Upgrade to Log4j 2
author Tom Gottfried <tom@intevation.de>
date Wed, 02 Mar 2022 10:26:50 +0100
parents 5e38e2924c07
children
rev   line source
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4897a58c8746 River artifacts: Added new copyright headers.
Sascha L. Teichmann <teichmann@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.fixings;
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10
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11 import org.dive4elements.artifacts.ArtifactNamespaceContext;
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12 import org.dive4elements.artifacts.CallContext;
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13 import org.dive4elements.artifacts.common.utils.XMLUtils;
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14 import org.dive4elements.river.exports.XYChartGenerator;
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15
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16 import java.io.OutputStream;
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17
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18 import org.apache.logging.log4j.Logger;
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19 import org.apache.logging.log4j.LogManager;
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20 import org.w3c.dom.Document;
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21
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22 /**
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23 * Base class for FixChartGenerator.
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24 */
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25 public abstract class FixChartGenerator
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26 extends XYChartGenerator
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27 {
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28 /** Private log. */
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29 private static Logger log = LogManager.getLogger(FixChartGenerator.class);
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30
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31 public static final Double INVALID_KM = Double.valueOf(-1d);
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32 public static final String CURRENT_KM = "currentKm";
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33 public static final String XPATH_CHART_CURRENTKM =
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34 "/art:action/art:attributes/art:currentKm/@art:km";
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35
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36 @Override
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37 public void init(
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38 String outName,
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39 Document request,
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40 OutputStream out,
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41 CallContext context
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42 ) {
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43 super.init(outName, request, out, context);
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44
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45 Double currentKm = getCurrentKmFromRequest(request);
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46
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47 if (log.isDebugEnabled()) {
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48 log.debug("currentKm = " + currentKm);
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49 }
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50
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51 if (currentKm != INVALID_KM) {
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52 context.putContextValue(CURRENT_KM, currentKm);
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53 }
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54 }
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55
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56 public static final Double getCurrentKmFromRequest(Document request) {
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57
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58 String km = XMLUtils.xpathString(
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59 request,
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60 XPATH_CHART_CURRENTKM,
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61 ArtifactNamespaceContext.INSTANCE);
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62
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63 if (km == null) {
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64 return INVALID_KM;
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65 }
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66
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67 try {
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68 return Double.valueOf(km);
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69 }
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70 catch (NumberFormatException nfe) {
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71 return INVALID_KM;
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72 }
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73 }
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74 }
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75 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org