Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/artifacts/model/QSectorFacet.java @ 6532:cf3065a17057
MainValuesArtifact: Prevent NPE.
author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
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date | Tue, 02 Jul 2013 15:43:11 +0200 |
parents | af13ceeba52a |
children | e4606eae8ea5 |
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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.model; import org.apache.log4j.Logger; import org.dive4elements.artifacts.Artifact; import org.dive4elements.artifacts.CallContext; import org.dive4elements.river.artifacts.QSectorArtifact; import org.dive4elements.artifactdatabase.state.DefaultFacet; import org.dive4elements.artifactdatabase.state.Facet; /** * Facet to access QSector that where added by user. */ public class QSectorFacet extends DefaultFacet { /** Logger for this class. */ private static final Logger logger = Logger.getLogger(QSectorFacet.class); /** * Trivial Constructor. */ public QSectorFacet() { } /** * Trivial Constructor for a QSectorFacet. * * @param index Database-Index to use. * @param name Name (~type) of Facet. * @param description Description of Facet. */ public QSectorFacet(int index, String name, String description) { super(index, name, description); } /** * Get List of QSector for river from Artifact. * * @param artifact (QSector-)Artifact to query for list of QSector. * @param context Ignored. */ @Override public Object getData(Artifact artifact, CallContext context) { QSectorArtifact qsectorArtifact = (QSectorArtifact) artifact; if (qsectorArtifact == null || context == null || context.getContextValue("currentKm") == null) { logger.error("No artifact, context or currentKm in QSectorFacet"); return null; } double currentKm = ((Double)context.getContextValue("currentKm")).doubleValue(); return qsectorArtifact.getQSectors(currentKm, context); } /** Do a deep copy. */ @Override public Facet deepCopy() { QSectorFacet copy = new QSectorFacet(); copy.set(this); return copy; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :