Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/artifacts/services/RiverInfoService.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 | 6f8ce2ec40bd |
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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.math.BigDecimal; import org.apache.log4j.Logger; import org.w3c.dom.Document; import org.w3c.dom.Element; import org.dive4elements.artifacts.CallMeta; import org.dive4elements.artifacts.GlobalContext; import org.dive4elements.artifacts.common.ArtifactNamespaceContext; import org.dive4elements.artifacts.common.utils.XMLUtils; import org.dive4elements.river.artifacts.model.RiverFactory; import org.dive4elements.river.model.River; /** * @author <a href="mailto:bjoern.ricks@intevation.de">Björn Ricks</a> */ public class RiverInfoService extends D4EService { private static final Logger logger = Logger.getLogger( RiverInfoService.class); protected static final String RIVER_XPATH = "/art:river/text()"; protected XMLUtils.ElementCreator ec; protected River river; protected Element riverele; protected Document doProcess( Document data, GlobalContext globalContext, CallMeta callMeta ) { String rivername = XMLUtils.xpathString( data, RIVER_XPATH, ArtifactNamespaceContext.INSTANCE); river = RiverFactory.getRiver(rivername); Document result = XMLUtils.newDocument(); if (river == null) { logger.warn("No river with name " + rivername + " found."); return null; } ec = new XMLUtils.ElementCreator( result, ArtifactNamespaceContext.NAMESPACE_URI, ArtifactNamespaceContext.NAMESPACE_PREFIX); riverele = ec.create("river-info"); double[] minmax = river.determineMinMaxDistance(); double[] minmaxq = river.determineMinMaxQ(); Element r = ec.create("river"); ec.addAttr(r, "name", river.getName(), true); ec.addAttr(r, "start", Double.toString(minmax[0]), true); ec.addAttr(r, "end", Double.toString(minmax[1]), true); ec.addAttr(r, "wstunit", river.getWstUnit().getName(), true); ec.addAttr(r, "kmup", Boolean.toString(river.getKmUp()), true); ec.addAttr(r, "minq", Double.toString(minmaxq[0]), true); ec.addAttr(r, "maxq", Double.toString(minmaxq[1]), true); ec.addAttr(r, "official", Long.toString(river.getOfficialNumber()), true); riverele.appendChild(r); result.appendChild(riverele); return result; } /** * Returns a Double as String from a BigDecimal value. * * If value is null an empty String is returned. */ protected static String getStringValue(BigDecimal value) { return value != null ? Double.toString(value.doubleValue()) : ""; } }