ingo@136: package de.intevation.flys.artifacts.states; ingo@136: ingo@136: import org.apache.log4j.Logger; ingo@136: ingo@628: import gnu.trove.TDoubleArrayList; ingo@628: ingo@313: import de.intevation.artifacts.Artifact; ingo@136: import de.intevation.artifacts.CallContext; ingo@136: ingo@136: import de.intevation.artifactdatabase.data.StateData; ingo@313: ingo@313: import de.intevation.flys.artifacts.FLYSArtifact; sascha@697: ingo@136: ingo@136: /** ingo@136: * @author Ingo Weinzierl ingo@136: */ sascha@742: public class LocationDistanceSelect ingo@921: extends ComputationRangeState sascha@721: { ingo@136: ingo@136: /** The logger used in this class.*/ ingo@136: private static Logger logger = Logger.getLogger(LocationDistanceSelect.class); ingo@136: ingo@136: ingo@627: /** The name of the 'mode' field. */ ingo@627: public static final String MODE = "ld_mode"; ingo@627: ingo@627: /** The name of the 'locations' field.*/ ingo@627: public static final String LOCATIONS = "ld_locations"; ingo@627: ingo@322: ingo@136: /** ingo@136: * The default constructor that initializes an empty State object. ingo@136: */ ingo@136: public LocationDistanceSelect() { ingo@136: } ingo@136: ingo@136: sascha@660: @Override ingo@136: protected String getUIProvider() { ingo@136: return "location_distance_panel"; ingo@136: } ingo@313: ingo@313: ingo@322: @Override ingo@322: public boolean validate(Artifact artifact, CallContext context) ingo@322: throws IllegalArgumentException ingo@322: { ingo@322: logger.debug("LocationDistanceSelect.validate"); ingo@322: ingo@624: FLYSArtifact flys = (FLYSArtifact) artifact; ingo@322: ingo@627: if (flys.isRange()) { ingo@921: return super.validate(flys, context); ingo@627: } ingo@627: else { ingo@627: return validateLocations(flys, context); ingo@627: } ingo@627: } ingo@627: ingo@627: ingo@627: protected boolean validateLocations(FLYSArtifact flys, CallContext context) ingo@627: throws IllegalArgumentException ingo@627: { ingo@627: StateData dValues = getData(flys, LOCATIONS); ingo@627: String values = dValues != null ? (String)dValues.getValue() : null; ingo@627: ingo@627: if (values == null || values.length() == 0) { ingo@627: throw new IllegalArgumentException("error_empty_state"); ingo@627: } ingo@627: ingo@921: double[] absMinMax = getMinMax(flys); ingo@627: double[] relMinMax = getMinMaxFromString(values); ingo@627: ingo@627: if (relMinMax[0] < absMinMax[0] || relMinMax[0] > absMinMax[1]) { ingo@627: throw new IllegalArgumentException("error_feed_from_out_of_range"); ingo@627: } ingo@627: ingo@627: if (relMinMax[1] > absMinMax[1] || relMinMax[1] < absMinMax[0]) { ingo@627: throw new IllegalArgumentException("error_feed_to_out_of_range"); ingo@627: } ingo@627: ingo@627: return true; ingo@627: } ingo@627: ingo@627: ingo@627: /** ingo@627: * Extracts the min/max values from String s. An ingo@627: * IllegalArgumentException is thrown if there is a value that throws a ingo@627: * NumberFormatException. ingo@627: * ingo@627: * @param s String that contains whitespace separated double values. ingo@627: * ingo@627: * @return a 2dmin array [min,max]. ingo@627: */ ingo@627: public static double[] getMinMaxFromString(String s) ingo@627: throws IllegalArgumentException ingo@627: { ingo@627: String[] values = s.split(" "); ingo@627: ingo@627: double[] minmax = new double[] { ingo@627: Double.MAX_VALUE, ingo@627: -Double.MAX_VALUE }; ingo@627: ingo@627: for (String v: values) { ingo@627: try { ingo@627: double value = Double.valueOf(v); ingo@627: ingo@627: minmax[0] = minmax[0] < value ? minmax[0] : value; ingo@627: minmax[1] = minmax[1] > value ? minmax[1] : value; ingo@627: } ingo@627: catch (NumberFormatException nfe) { ingo@627: throw new IllegalArgumentException( ingo@627: "error_invalid_double_value"); ingo@627: } ingo@627: } ingo@627: ingo@627: return minmax; ingo@627: } ingo@628: ingo@628: ingo@628: public static double[] getLocations(FLYSArtifact flys) { ingo@628: StateData data = flys.getData("ld_locations"); ingo@628: String value = data != null ? (String) data.getValue() : null; ingo@628: ingo@628: if (value == null || value.length() == 0) { ingo@628: logger.warn("No location data given."); ingo@628: return null; ingo@628: } ingo@628: ingo@628: String[] splitted = value.split(" "); ingo@628: TDoubleArrayList values = new TDoubleArrayList(); ingo@628: ingo@628: for (String split: splitted) { ingo@628: try { ingo@628: values.add(Double.valueOf(split)); ingo@628: } ingo@628: catch (NumberFormatException nfe) { ingo@628: logger.warn(nfe, nfe); ingo@628: } ingo@628: } ingo@628: ingo@628: return values.toNativeArray(); ingo@628: } ingo@136: } ingo@136: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :