Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/artifacts/services/SedimentLoadInfoService.java @ 4655:cd44d28d0fbc
Move the access to artifact data to the Access object
Use BedHeightAccess class to receive the data from the artifact. This abstracts
the data access from the actual artifact.
author | Björn Ricks <bjoern.ricks@intevation.de> |
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date | Tue, 11 Dec 2012 09:44:04 +0100 |
parents | 6d44914b2dd4 |
children | b195fede1c3b |
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package de.intevation.flys.artifacts.services; import java.util.Calendar; import org.apache.log4j.Logger; import org.w3c.dom.Document; import org.w3c.dom.Element; import de.intevation.artifacts.ArtifactNamespaceContext; import de.intevation.artifacts.CallMeta; import de.intevation.artifacts.GlobalContext; import de.intevation.artifacts.common.utils.XMLUtils; import de.intevation.flys.artifacts.model.minfo.SedimentLoad; import de.intevation.flys.artifacts.model.minfo.SedimentLoadFactory; public class SedimentLoadInfoService extends FLYSService { /** 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; } }