Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/artifacts/states/LocationDistanceSelect.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 | 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.states; import org.apache.log4j.Logger; import gnu.trove.TDoubleArrayList; import org.dive4elements.artifacts.Artifact; import org.dive4elements.artifactdatabase.data.StateData; import org.dive4elements.river.artifacts.D4EArtifact; import org.dive4elements.river.artifacts.WINFOArtifact; /** * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> */ public class LocationDistanceSelect extends ComputationRangeState { /** The logger used in this class. */ private static Logger logger = Logger.getLogger(LocationDistanceSelect.class); /** The name of the 'mode' field. */ public static final String MODE = "ld_mode"; /** The name of the 'locations' field. */ public static final String LOCATIONS = "ld_locations"; /** * The default constructor that initializes an empty State object. */ public LocationDistanceSelect() { } @Override protected String getUIProvider() { return "location_distance_panel"; } /** Validates the range (or location). */ @Override public boolean validate(Artifact artifact) throws IllegalArgumentException { logger.debug("LocationDistanceSelect.validate"); D4EArtifact flys = (D4EArtifact)artifact; StateData mode = getData(flys, MODE); String mValue = mode != null ? (String)mode.getValue() : null; if (mValue != null) { if (mValue.equals("distance")) { return super.validate(flys); } else { return validateLocations(flys); } } return false; } /** Validate selected locations. */ protected boolean validateLocations(D4EArtifact flys) throws IllegalArgumentException { StateData dValues = getData(flys, LOCATIONS); String values = dValues != null ? (String)dValues.getValue() : null; if (values == null || values.length() == 0) { throw new IllegalArgumentException("error_empty_state"); } double[] absMinMax = getMinMax(flys); double[] relMinMax = getMinMaxFromString(values); if (relMinMax[0] < absMinMax[0] || relMinMax[0] > absMinMax[1]) { throw new IllegalArgumentException("error_feed_from_out_of_range"); } if (relMinMax[1] > absMinMax[1] || relMinMax[1] < absMinMax[0]) { throw new IllegalArgumentException("error_feed_to_out_of_range"); } return true; } /** * Extracts the min/max values from String <i>s</i>. An * IllegalArgumentException is thrown if there is a value that throws a * NumberFormatException. * * @param s String that contains whitespace separated double values. * * @return a 2dmin array [min,max]. */ public static double[] getMinMaxFromString(String s) throws IllegalArgumentException { String[] values = s.split(" "); double[] minmax = new double[] { Double.MAX_VALUE, -Double.MAX_VALUE }; for (String v: values) { try { double value = Double.valueOf(v); minmax[0] = minmax[0] < value ? minmax[0] : value; minmax[1] = minmax[1] > value ? minmax[1] : value; } catch (NumberFormatException nfe) { throw new IllegalArgumentException( "error_invalid_double_value"); } } return minmax; } public static double[] getLocations(WINFOArtifact flys) { StateData data = flys.getData(LOCATIONS); String value = data != null ? (String) data.getValue() : null; if (value == null || value.length() == 0) { logger.warn("No location data given."); return null; } String[] splitted = value.split(" "); TDoubleArrayList values = new TDoubleArrayList(); for (String split: splitted) { try { values.add(Double.valueOf(split)); } catch (NumberFormatException nfe) { logger.warn(nfe, nfe); } } return values.toNativeArray(); } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :