Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/artifacts/services/SedimentLoadInfoService.java @ 4582:6bfed02f025f
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author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
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date | Tue, 27 Nov 2012 17:47:33 +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; } }