Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/artifacts/states/LocationSelect.java @ 8274:b0d7b0d79d6e
Set facet activity for bed quality.
author | "Tom Gottfried <tom@intevation.de>" |
---|---|
date | Tue, 16 Sep 2014 12:12:06 +0200 |
parents | e4606eae8ea5 |
children | 1a7cfeb1ff89 0a5239a1e46e |
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 gnu.trove.TDoubleArrayList; import org.apache.log4j.Logger; import org.w3c.dom.Element; import org.dive4elements.artifacts.Artifact; import org.dive4elements.artifacts.CallContext; import org.dive4elements.artifacts.common.utils.XMLUtils; import org.dive4elements.artifactdatabase.data.StateData; import org.dive4elements.river.artifacts.D4EArtifact; /** * This state is used to realize the input of multiple locations as string. * * The string should be a whitespace separated list of double values where each * double value represents a location. * * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> */ public class LocationSelect extends LocationDistanceSelect { /** The log used in this class.*/ private static Logger log = Logger.getLogger(LocationSelect.class); public LocationSelect() { } /** UI Provider (which input method should the client provide to user. */ @Override protected String getUIProvider() { return "location_panel"; } @Override protected Element[] createItems( XMLUtils.ElementCreator cr, Artifact artifact, String name, CallContext context) { double[] minmax = getMinMax(artifact); double minVal = Double.MIN_VALUE; double maxVal = Double.MAX_VALUE; if (minmax != null) { minVal = minmax[0]; maxVal = minmax[1]; } else { log.warn("Could not read min/max distance values!"); } if (name.equals(LOCATIONS)) { Element min = createItem( cr, new String[] {"min", new Double(minVal).toString()}); Element max = createItem( cr, new String[] {"max", new Double(maxVal).toString()}); return new Element[] { min, max }; } return null; } /** Validates data from artifact. */ @Override public boolean validate(Artifact artifact) throws IllegalArgumentException { log.debug("LocationSelect.validate"); D4EArtifact flys = (D4EArtifact) artifact; StateData data = getData(flys, LOCATIONS); String locationStr = data != null ? (String) data.getValue() : null; if (locationStr == null || locationStr.length() == 0) { log.error("No locations given."); throw new IllegalArgumentException("error_empty_state"); } double[] minmax = getMinMax(artifact); double[] mm = extractLocations(locationStr); log.debug("Inserted min location: " + mm[0]); log.debug("Inserted max location: " + mm[mm.length-1]); return validateBounds(minmax[0], minmax[1], mm[0], mm[mm.length-1], 0d); } /** * This method takes a string that consist of whitespace separated double * values and returns the double values as array. * * @param locationStr The locations inserted in this state. * * @return the locations as array. */ protected double[] extractLocations(String locationStr) { String[] tmp = locationStr.split(" "); TDoubleArrayList locations = new TDoubleArrayList(); for (String l: tmp) { try { locations.add(Double.parseDouble(l)); } catch (NumberFormatException nfe) { log.warn(nfe, nfe); } } locations.sort(); return locations.toNativeArray(); } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :