Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/artifacts/services/RiverInfoService.java @ 4357:11cf29eb002c
FacetTypes: New type: exreme_wq_curve_base (for the Stuetz-Q-Poits).
author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
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date | Fri, 02 Nov 2012 11:58:11 +0100 |
parents | 5da024c2af62 |
children |
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package de.intevation.flys.artifacts.services; import java.math.BigDecimal; import org.apache.log4j.Logger; import org.w3c.dom.Document; import org.w3c.dom.Element; import de.intevation.artifacts.CallMeta; import de.intevation.artifacts.GlobalContext; import de.intevation.artifacts.common.ArtifactNamespaceContext; import de.intevation.artifacts.common.utils.XMLUtils; import de.intevation.flys.artifacts.model.RiverFactory; import de.intevation.flys.model.River; /** * @author <a href="mailto:bjoern.ricks@intevation.de">Björn Ricks</a> */ public class RiverInfoService extends FLYSService { 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()) : ""; } }