Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/artifacts/services/SedimentLoadInfoService.java @ 6061:e9a76ffa0f9a
Use maxOverlap to get the correct gauge for the MainValues
Previously just the first matching gauge was taken even if it's
range ended with the minimum value. This code is clearly intended
to get one gauge for one range so the best match should be taken.
author | Andre Heinecke <aheinecke@intevation.de> |
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date | Wed, 22 May 2013 18:10:48 +0200 |
parents | af13ceeba52a |
children | b68798973da2 |
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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.artifacts.services; import java.util.Calendar; import org.apache.log4j.Logger; import org.w3c.dom.Document; import org.w3c.dom.Element; import org.dive4elements.artifacts.ArtifactNamespaceContext; import org.dive4elements.artifacts.CallMeta; import org.dive4elements.artifacts.GlobalContext; import org.dive4elements.artifacts.common.utils.XMLUtils; import org.dive4elements.river.artifacts.model.minfo.SedimentLoad; import org.dive4elements.river.artifacts.model.minfo.SedimentLoadFactory; public class SedimentLoadInfoService extends D4EService { /** The logger used in this service. */ private static Logger logger = Logger.getLogger(SedimentLoadInfoService.class); public static final String RIVER_XPATH = "/art:river/text()"; public static final String TYPE_XPATH = "/art:river/art:type/text()"; public static final String FROM_XPATH = "/art:river/art:location/art:from/text()"; public static final String TO_XPATH = "/art:river/art:location/art:to/text()"; @Override protected Document doProcess( Document data, GlobalContext globalContext, CallMeta callMeta) { String river = XMLUtils.xpathString( data, RIVER_XPATH, ArtifactNamespaceContext.INSTANCE); String type = XMLUtils.xpathString( data, TYPE_XPATH, ArtifactNamespaceContext.INSTANCE); String from = XMLUtils.xpathString( data, FROM_XPATH, ArtifactNamespaceContext.INSTANCE); String to = XMLUtils.xpathString( data, TO_XPATH, ArtifactNamespaceContext.INSTANCE); double f, t; try { f = Double.parseDouble(from); t = Double.parseDouble(to); } catch (NumberFormatException nfe) { logger.warn("Invalid locations. Cannot return sediment loads."); return XMLUtils.newDocument(); } SedimentLoad[] loads = SedimentLoadFactory.getLoads(river, type, f, t); return buildDocument(loads); } protected Document buildDocument(SedimentLoad[] loads) { Document result = XMLUtils.newDocument(); Element all = result.createElement("sedimentloads"); for (SedimentLoad sl : loads) { Element load = result.createElement("sedimentload"); load.setAttribute("description", sl.getDescription()); if (sl.isEpoch()) { Calendar calendarS = Calendar.getInstance(); calendarS.setTime(sl.getStart()); Calendar calendarE = Calendar.getInstance(); calendarE.setTime(sl.getEnd()); load.setAttribute( "date", calendarS.get(Calendar.YEAR) + " - " + calendarE.get(Calendar.YEAR)); } else { Calendar calendar = Calendar.getInstance(); calendar.setTime(sl.getStart()); load.setAttribute( "date", String.valueOf(calendar.get(Calendar.YEAR))); } all.appendChild(load); } result.appendChild(all); return result; } }