Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/exports/fixings/FixChartGenerator.java @ 3406:3732e1bab0aa

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Add kilometer to chart titles flys-artifacts/trunk@5058 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Christian Lins <christian.lins@intevation.de>
date Thu, 19 Jul 2012 11:40:59 +0000
parents 06ae0258269b
children cbe2febe30cc
rev   line source
3088
960307cf2adc Moved current km to context and added an abstract generator for fix analysis
Raimund Renkert <raimund.renkert@intevation.de>
parents:
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1 package de.intevation.flys.exports.fixings;
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2
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3 import de.intevation.artifacts.ArtifactNamespaceContext;
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4 import de.intevation.artifacts.CallContext;
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5 import de.intevation.artifacts.common.utils.XMLUtils;
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6 import de.intevation.flys.exports.XYChartGenerator;
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7
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8 import java.io.OutputStream;
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9
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10 import org.apache.log4j.Logger;
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11 import org.w3c.dom.Document;
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12
960307cf2adc Moved current km to context and added an abstract generator for fix analysis
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13 public abstract class FixChartGenerator
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14 extends XYChartGenerator
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15 {
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16 private static Logger logger = Logger.getLogger(FixChartGenerator.class);
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17
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18 public static final double INVALID_KM = Double.valueOf(-1d);
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19 public static final String CURRENT_KM = "currentKm";
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20 public static final String XPATH_CHART_CURRENTKM =
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21 "/art:action/art:attributes/art:currentKm/@art:km";
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22
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23 @Override
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24 public void init(Document request, OutputStream out, CallContext context) {
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25 super.init(request, out, context);
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26
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27 double currentKm = getCurrentKmFromRequest(request);
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28
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29 if (logger.isDebugEnabled()) {
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30 logger.debug("currentKm = " + currentKm);
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31 }
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32
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33 context.putContextValue(CURRENT_KM, currentKm);
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34 }
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35
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36 public static double getCurrentKmFromRequest(Document request) {
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37
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38 String km = XMLUtils.xpathString(
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39 request,
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40 XPATH_CHART_CURRENTKM,
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41 ArtifactNamespaceContext.INSTANCE);
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42
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43 if (km == null) {
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44 return INVALID_KM;
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45 }
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46
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47 try {
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48 return Double.valueOf(km);
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49 }
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50 catch (NumberFormatException nfe) {
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51 return INVALID_KM;
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52 }
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53 }
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54 }
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55 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org