Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/exports/fixings/FixChartGenerator.java @ 6601:5ecc6d4d73f2
Add official fixings to Waterlevel CSV Export (issue1384)
This searches the collection for staticwqkms artifacts that
contain official data and adds that data to the export.
The data is filtered by the calculation range and sorted by the
calculation direction.
author | Andre Heinecke <aheinecke@intevation.de> |
---|---|
date | Thu, 18 Jul 2013 13:16:33 +0200 |
parents | af13ceeba52a |
children | 0a337f0005c2 |
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/* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde * Software engineering by Intevation GmbH * * This file is Free Software under the GNU AGPL (>=v3) * and comes with ABSOLUTELY NO WARRANTY! Check out the * documentation coming with Dive4Elements River for details. */ package org.dive4elements.river.exports.fixings; import org.dive4elements.artifacts.ArtifactNamespaceContext; import org.dive4elements.artifacts.CallContext; import org.dive4elements.artifacts.common.utils.XMLUtils; import org.dive4elements.river.exports.XYChartGenerator; import java.io.OutputStream; import org.apache.log4j.Logger; import org.w3c.dom.Document; /** * Base class for FixChartGenerator. */ public abstract class FixChartGenerator extends XYChartGenerator { /** Private logger. */ private static Logger logger = Logger.getLogger(FixChartGenerator.class); public static final Double INVALID_KM = Double.valueOf(-1d); public static final String CURRENT_KM = "currentKm"; public static final String XPATH_CHART_CURRENTKM = "/art:action/art:attributes/art:currentKm/@art:km"; @Override public void init(Document request, OutputStream out, CallContext context) { super.init(request, out, context); Double currentKm = getCurrentKmFromRequest(request); if (logger.isDebugEnabled()) { logger.debug("currentKm = " + currentKm); } if (currentKm != INVALID_KM) { context.putContextValue(CURRENT_KM, currentKm); } } public static final Double getCurrentKmFromRequest(Document request) { String km = XMLUtils.xpathString( request, XPATH_CHART_CURRENTKM, ArtifactNamespaceContext.INSTANCE); if (km == null) { return INVALID_KM; } try { return Double.valueOf(km); } catch (NumberFormatException nfe) { return INVALID_KM; } } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :