Mercurial > dive4elements > river
comparison artifacts/src/main/java/org/dive4elements/river/exports/fixings/FixChartGenerator.java @ 5838:5aa05a7a34b7
Rename modules to more fitting names.
| author | Sascha L. Teichmann <teichmann@intevation.de> |
|---|---|
| date | Thu, 25 Apr 2013 15:23:37 +0200 |
| parents | flys-artifacts/src/main/java/org/dive4elements/river/exports/fixings/FixChartGenerator.java@bd047b71ab37 |
| children | 4897a58c8746 |
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| 5837:d9901a08d0a6 | 5838:5aa05a7a34b7 |
|---|---|
| 1 package org.dive4elements.river.exports.fixings; | |
| 2 | |
| 3 import org.dive4elements.artifacts.ArtifactNamespaceContext; | |
| 4 import org.dive4elements.artifacts.CallContext; | |
| 5 import org.dive4elements.artifacts.common.utils.XMLUtils; | |
| 6 import org.dive4elements.river.exports.XYChartGenerator; | |
| 7 | |
| 8 import java.io.OutputStream; | |
| 9 | |
| 10 import org.apache.log4j.Logger; | |
| 11 import org.w3c.dom.Document; | |
| 12 | |
| 13 /** | |
| 14 * Base class for FixChartGenerator. | |
| 15 */ | |
| 16 public abstract class FixChartGenerator | |
| 17 extends XYChartGenerator | |
| 18 { | |
| 19 /** Private logger. */ | |
| 20 private static Logger logger = Logger.getLogger(FixChartGenerator.class); | |
| 21 | |
| 22 public static final Double INVALID_KM = Double.valueOf(-1d); | |
| 23 public static final String CURRENT_KM = "currentKm"; | |
| 24 public static final String XPATH_CHART_CURRENTKM = | |
| 25 "/art:action/art:attributes/art:currentKm/@art:km"; | |
| 26 | |
| 27 @Override | |
| 28 public void init(Document request, OutputStream out, CallContext context) { | |
| 29 super.init(request, out, context); | |
| 30 | |
| 31 Double currentKm = getCurrentKmFromRequest(request); | |
| 32 | |
| 33 if (logger.isDebugEnabled()) { | |
| 34 logger.debug("currentKm = " + currentKm); | |
| 35 } | |
| 36 | |
| 37 if (currentKm != INVALID_KM) { | |
| 38 context.putContextValue(CURRENT_KM, currentKm); | |
| 39 } | |
| 40 } | |
| 41 | |
| 42 public static final Double getCurrentKmFromRequest(Document request) { | |
| 43 | |
| 44 String km = XMLUtils.xpathString( | |
| 45 request, | |
| 46 XPATH_CHART_CURRENTKM, | |
| 47 ArtifactNamespaceContext.INSTANCE); | |
| 48 | |
| 49 if (km == null) { | |
| 50 return INVALID_KM; | |
| 51 } | |
| 52 | |
| 53 try { | |
| 54 return Double.valueOf(km); | |
| 55 } | |
| 56 catch (NumberFormatException nfe) { | |
| 57 return INVALID_KM; | |
| 58 } | |
| 59 } | |
| 60 } | |
| 61 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |