Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/exports/fixings/FixChartGenerator.java @ 4377:512a3af69e18

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Extract common generator method from FixLongitudinalSectionGenerator The extracted methods and code can be reused for generating charts for bed differences if fixanalysis data is loaded via the datacache.
author Björn Ricks <bjoern.ricks@intevation.de>
date Fri, 02 Nov 2012 15:47:15 +0100
parents b81f328da582
children dd8a63002fb8
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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Raimund Renkert <raimund.renkert@intevation.de>
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2
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Christian Lins <christian.lins@intevation.de>
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3 import de.intevation.artifacts.ArtifactNamespaceContext;
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Christian Lins <christian.lins@intevation.de>
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4 import de.intevation.artifacts.CallContext;
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Christian Lins <christian.lins@intevation.de>
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5 import de.intevation.artifacts.common.utils.XMLUtils;
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Christian Lins <christian.lins@intevation.de>
parents: 3221
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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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Christian Lins <christian.lins@intevation.de>
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10 import org.apache.log4j.Logger;
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Christian Lins <christian.lins@intevation.de>
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11 import org.w3c.dom.Document;
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12
3723
7b14d00bca8a Cosmetics, docs.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 3406
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13 /**
7b14d00bca8a Cosmetics, docs.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
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14 * Base class for FixChartGenerator.
7b14d00bca8a Cosmetics, docs.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
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15 */
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16 public abstract class FixChartGenerator
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Raimund Renkert <raimund.renkert@intevation.de>
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17 extends XYChartGenerator
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18 {
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19 /** Private logger. */
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20 private static Logger logger = Logger.getLogger(FixChartGenerator.class);
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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21
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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22 public static final Double INVALID_KM = Double.valueOf(-1d);
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23 public static final String CURRENT_KM = "currentKm";
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24 public static final String XPATH_CHART_CURRENTKM =
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25 "/art:action/art:attributes/art:currentKm/@art:km";
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26
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27 @Override
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28 public void init(Document request, OutputStream out, CallContext context) {
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29 super.init(request, out, context);
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30
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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31 Double currentKm = getCurrentKmFromRequest(request);
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32
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33 if (logger.isDebugEnabled()) {
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34 logger.debug("currentKm = " + currentKm);
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35 }
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36
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37 context.putContextValue(CURRENT_KM, currentKm);
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38 }
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39
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40 public static final Double getCurrentKmFromRequest(Document request) {
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41
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42 String km = XMLUtils.xpathString(
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43 request,
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44 XPATH_CHART_CURRENTKM,
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45 ArtifactNamespaceContext.INSTANCE);
960307cf2adc Moved current km to context and added an abstract generator for fix analysis
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46
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47 if (km == null) {
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48 return INVALID_KM;
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49 }
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50
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51 try {
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52 return Double.valueOf(km);
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53 }
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54 catch (NumberFormatException nfe) {
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55 return INVALID_KM;
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56 }
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57 }
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58 }
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59 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org