Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/artifacts/states/RangeState.java @ 6693:88bb0c794833
issue1391: Enable GaugeDischarge artifact to directly load a table by its ID
This allows us to use the GaugeDischargeArtifact for any discharge
tables that we have in our database. The name of the created facet
is taken from the ids string as is also usual in the WMS artifacts.
author | Andre Heinecke <aheinecke@intevation.de> |
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date | Mon, 29 Jul 2013 12:19:57 +0200 |
parents | a0078e5e3b39 |
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.states; import org.dive4elements.artifacts.Artifact; import org.dive4elements.river.artifacts.D4EArtifact; import org.dive4elements.river.artifacts.access.RangeAccess; import org.apache.log4j.Logger; /** * 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 logger that is used in this class. */ private Logger logger = Logger.getLogger(RangeState.class); public RangeState() { } protected abstract double[] getMinMax(Artifact artifact); protected boolean validateBounds( double fromValid, double toValid, double from, double to) throws IllegalArgumentException { if (from < fromValid) { logger.error( "Invalid 'from'. " + from + " is smaller than " + fromValid); throw new IllegalArgumentException("error_feed_from_out_of_range"); } else if (to > toValid) { logger.error( "Invalid 'to'. " + to + " is bigger than " + toValid); 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( double fromValid, double toValid, double from, double to, double step) throws IllegalArgumentException { logger.debug("RangeState.validateRange"); // XXX The step width is not validated at the moment! return validateBounds(fromValid, toValid, from, to); } @Override public boolean validate(Artifact artifact) throws IllegalArgumentException { D4EArtifact flys = (D4EArtifact) artifact; try { RangeAccess rangeAccess = new RangeAccess(flys); double from = rangeAccess.getFrom(); double to = rangeAccess.getTo(); double step = rangeAccess.getStep(); double[] minmax = getMinMax(flys); return validateBounds(minmax[0], minmax[1], from, to, step); } catch (NumberFormatException nfe) { throw new IllegalArgumentException("error_invalid_double_value"); } catch (NullPointerException npe) { throw new IllegalArgumentException("error_empty_state"); } } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :