Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/artifacts/states/RangeState.java @ 9425:3f49835a00c3
Extended CrossSectionFacet so it may fetch different data from within the artifact result.
Also allows to have acces to the potentially already computed artifact result via its normal computation cache.
author | gernotbelger |
---|---|
date | Fri, 17 Aug 2018 15:31:02 +0200 |
parents | 21e65960a9e3 |
children |
line wrap: on
line source
/* 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.states; import org.apache.log4j.Logger; import org.dive4elements.artifacts.Artifact; import org.dive4elements.river.artifacts.D4EArtifact; import org.dive4elements.river.artifacts.access.RangeAccess; /** * State in which km range is set. * * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> */ public abstract class RangeState extends DefaultState { /** The log that is used in this class. */ private final Logger log = Logger.getLogger(RangeState.class); public RangeState() { } protected abstract double[] getMinMax(Artifact artifact); protected boolean validateBounds(final double fromValid, final double toValid, final double from, final double to) throws IllegalArgumentException { if (from < fromValid || from > toValid) { this.log.error("Invalid 'from'. " + from + " is smaller than " + fromValid); // error message used in client to resolve i18n throw new IllegalArgumentException("error_feed_from_out_of_range"); } else if (to > toValid || to < fromValid) { this.log.error("Invalid 'to'. " + to + " is bigger than " + toValid); // error message used in client to resolve i18n throw new IllegalArgumentException("error_feed_to_out_of_range"); } return true; } /** * Validates a given range with a given valid range. * * @param fromValid * Valid lower value of the range. * @param toValid * Valid upper value of the range. * @param from * The lower value. * @param to * The upper value. * @param step * The step width. * * @return true, if everything was fine, otherwise an exception is thrown. */ protected boolean validateBounds(final double fromValid, final double toValid, final double from, final double to, final double step) throws IllegalArgumentException { this.log.debug("RangeState.validateRange"); // XXX The step width is not validated at the moment! return validateBounds(fromValid, toValid, from, to); } @Override public boolean validate(final Artifact artifact) throws IllegalArgumentException { final D4EArtifact flys = (D4EArtifact) artifact; try { final RangeAccess rangeAccess = new RangeAccess(flys); final double from = rangeAccess.getFrom(); final double to = rangeAccess.getTo(); final double step = rangeAccess.getStep(); final double[] minmax = getMinMax(flys); return validateBounds(minmax[0], minmax[1], from, to, step); } catch (final NumberFormatException nfe) { throw new IllegalArgumentException("error_invalid_double_value"); } catch (final NullPointerException npe) { throw new IllegalArgumentException("error_empty_state"); } } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :