Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/artifacts/services/SedimentLoadInfoService.java @ 7930:d3a4b0d5bcd8
Small Java related cosmetics.
author | Sascha L. Teichmann <teichmann@intevation.de> |
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date | Thu, 12 Jun 2014 19:16:30 +0200 |
parents | b68798973da2 |
children | 963ede7b32bb |
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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.util.Calendar; import org.apache.log4j.Logger; import org.w3c.dom.Document; import org.w3c.dom.Element; import org.dive4elements.artifacts.ArtifactNamespaceContext; import org.dive4elements.artifacts.CallMeta; import org.dive4elements.artifacts.GlobalContext; import org.dive4elements.artifacts.common.utils.XMLUtils; import org.dive4elements.river.artifacts.model.minfo.SedimentLoad; import org.dive4elements.river.artifacts.model.minfo.SedimentLoadFactory; /** Service delivering info about sediment loads. */ public class SedimentLoadInfoService extends D4EService { /** 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()"; /** * Create document with sedimentload infos, * constrained by contents in data. */ @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 fromD, toD; try { fromD = Double.parseDouble(from); toD = Double.parseDouble(to); } catch (NumberFormatException nfe) { logger.warn("Invalid locations. Cannot return sediment loads."); return XMLUtils.newDocument(); } SedimentLoad[] loads = SedimentLoadFactory.getLoads(river, type, fromD, toD); 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; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :