Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/exports/fixings/FixChartGenerator.java @ 7691:fa4fbd66e752

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(issue1579) Fix axes syncronisation at Gauges The SyncNumberAxis was completely broken. It only synced in one direction and even that did not work correctly when data was added to the axis (and the syncAxis rescaled but forgot the old axis) then there were lots of ways to bypass that scaling. And i also think the trans calculation was wrong. It has been replaced by a "mostly" simple method to just keep the W in M and W in CM+Datum axes in sync. I say "Mostly" because it had to deal with the Bounds interface.
author Andre Heinecke <aheinecke@intevation.de>
date Fri, 13 Dec 2013 19:03:00 +0100
parents 0a337f0005c2
children e4606eae8ea5
rev   line source
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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.log4j.Logger;
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19 import org.w3c.dom.Document;
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20
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21 /**
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22 * Base class for FixChartGenerator.
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23 */
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24 public abstract class FixChartGenerator
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25 extends XYChartGenerator
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26 {
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27 /** Private logger. */
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28 private static Logger logger = Logger.getLogger(FixChartGenerator.class);
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29
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30 public static final Double INVALID_KM = Double.valueOf(-1d);
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31 public static final String CURRENT_KM = "currentKm";
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32 public static final String XPATH_CHART_CURRENTKM =
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33 "/art:action/art:attributes/art:currentKm/@art:km";
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34
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35 @Override
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36 public void init(String outName, Document request, OutputStream out, CallContext context) {
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37 super.init(outName, request, out, context);
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38
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39 Double currentKm = getCurrentKmFromRequest(request);
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40
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41 if (logger.isDebugEnabled()) {
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42 logger.debug("currentKm = " + currentKm);
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43 }
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44
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45 if (currentKm != INVALID_KM) {
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46 context.putContextValue(CURRENT_KM, currentKm);
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47 }
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48 }
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49
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50 public static final Double getCurrentKmFromRequest(Document request) {
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51
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52 String km = XMLUtils.xpathString(
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53 request,
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54 XPATH_CHART_CURRENTKM,
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55 ArtifactNamespaceContext.INSTANCE);
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56
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57 if (km == null) {
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58 return INVALID_KM;
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59 }
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60
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61 try {
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62 return Double.valueOf(km);
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63 }
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64 catch (NumberFormatException nfe) {
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65 return INVALID_KM;
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66 }
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67 }
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68 }
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69 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org