Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/LocationSelect.java @ 4255:670e98f5a441
Fixed leak while merging facets.
The ThemeList that is used by OutputHelper to sort the
Facets for an Output now uses a list to store the ManagedFacets.
The correct order is made up by sorting the List using
Collections.sort() function of the Java JDK. Therfore, the
ManagedFacet class implements the Comparable interface. The
return value of its compareTo(other) method depends on the
value of the 'position' field.
author | Ingo Weinzierl <weinzierl.ingo@googlemail.com> |
---|---|
date | Thu, 25 Oct 2012 14:01:46 +0200 |
parents | d9af29a4bb85 |
children |
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package de.intevation.flys.artifacts.states; import gnu.trove.TDoubleArrayList; import org.apache.log4j.Logger; import org.w3c.dom.Element; import de.intevation.artifacts.Artifact; import de.intevation.artifacts.CallContext; import de.intevation.artifacts.common.utils.XMLUtils; import de.intevation.artifactdatabase.data.StateData; import de.intevation.flys.artifacts.FLYSArtifact; /** * 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 logger used in this class.*/ private static Logger logger = 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 { logger.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 { logger.debug("LocationSelect.validate"); FLYSArtifact flys = (FLYSArtifact) artifact; StateData data = getData(flys, LOCATIONS); String locationStr = data != null ? (String) data.getValue() : null; if (locationStr == null || locationStr.length() == 0) { logger.error("No locations given."); throw new IllegalArgumentException("error_empty_state"); } double[] minmax = getMinMax(artifact); double[] mm = extractLocations(locationStr); logger.debug("Inserted min location: " + mm[0]); logger.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) { logger.warn(nfe, nfe); } } locations.sort(); return locations.toNativeArray(); } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :