Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/artifacts/services/RiverInfoService.java @ 4324:4980659b2f22
Add gauge name to the measurement station xml response
The reference gauge should be displayed in the measurement station info panel.
Therefore the artifact service must return the name of the gauge.
author | Björn Ricks <bjoern.ricks@intevation.de> |
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date | Tue, 30 Oct 2012 12:49:17 +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()) : ""; } }