Mercurial > dive4elements > river
comparison flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/LocationSelect.java @ 430:7ab81ff32111 2.3
merged flys-artifacts/2.3
| author | Thomas Arendsen Hein <thomas@intevation.de> |
|---|---|
| date | Fri, 28 Sep 2012 12:14:10 +0200 |
| parents | 478940d06876 |
| children | 929137ee8154 |
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| 290:a6f56ed9238b | 430:7ab81ff32111 |
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| 1 package de.intevation.flys.artifacts.states; | |
| 2 | |
| 3 import java.util.Map; | |
| 4 | |
| 5 import gnu.trove.TDoubleArrayList; | |
| 6 | |
| 7 import org.apache.log4j.Logger; | |
| 8 | |
| 9 import de.intevation.artifacts.Artifact; | |
| 10 import de.intevation.artifacts.CallContext; | |
| 11 | |
| 12 import de.intevation.artifactdatabase.data.StateData; | |
| 13 | |
| 14 | |
| 15 /** | |
| 16 * This state is used to realize the input of multiple locations as string. The | |
| 17 * string should be a whitespace separated list of double values where each | |
| 18 * double value represents a location. | |
| 19 * | |
| 20 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> | |
| 21 */ | |
| 22 public class LocationSelect extends LocationDistanceSelect { | |
| 23 | |
| 24 /** The logger used in this class.*/ | |
| 25 private static Logger logger = Logger.getLogger(LocationSelect.class); | |
| 26 | |
| 27 | |
| 28 /** The name of the StateData object that stores the location string.*/ | |
| 29 public static final String FIELD_LOCATIONS = "ld_locations"; | |
| 30 | |
| 31 | |
| 32 public LocationSelect() { | |
| 33 } | |
| 34 | |
| 35 | |
| 36 @Override | |
| 37 protected String getUIProvider() { | |
| 38 return "location_panel"; | |
| 39 } | |
| 40 | |
| 41 | |
| 42 @Override | |
| 43 public boolean validate(Artifact artifact, CallContext context) | |
| 44 throws IllegalArgumentException | |
| 45 { | |
| 46 logger.debug("LocationSelect.validate"); | |
| 47 | |
| 48 Map<String, StateData> data = getData(); | |
| 49 | |
| 50 String locationStr = (String) data.get(FIELD_LOCATIONS).getValue(); | |
| 51 | |
| 52 if (locationStr == null || locationStr.length() == 0) { | |
| 53 logger.error("No locations given."); | |
| 54 throw new IllegalArgumentException("error_empty_state"); | |
| 55 } | |
| 56 | |
| 57 double[] minmax = getMinMaxDistance(artifact); | |
| 58 double[] mm = extractLocations(locationStr); | |
| 59 | |
| 60 logger.debug("Inserted min location: " + mm[0]); | |
| 61 logger.debug("Inserted max location: " + mm[mm.length-1]); | |
| 62 | |
| 63 return validateBounds(minmax[0], minmax[1], mm[0], mm[mm.length-1], 0d); | |
| 64 } | |
| 65 | |
| 66 | |
| 67 /** | |
| 68 * This method takes a string that consist of whitespace separated double | |
| 69 * values and returns the double values as array. | |
| 70 * | |
| 71 * @param locationStr The locations inserted in this state. | |
| 72 * | |
| 73 * @return the locations as array. | |
| 74 */ | |
| 75 protected double[] extractLocations(String locationStr) { | |
| 76 String[] tmp = locationStr.split(" "); | |
| 77 TDoubleArrayList locations = new TDoubleArrayList(); | |
| 78 | |
| 79 for (String l: tmp) { | |
| 80 try { | |
| 81 locations.add(Double.parseDouble(l)); | |
| 82 } | |
| 83 catch (NumberFormatException nfe) { | |
| 84 logger.warn(nfe, nfe); | |
| 85 } | |
| 86 } | |
| 87 | |
| 88 locations.sort(); | |
| 89 | |
| 90 return locations.toNativeArray(); | |
| 91 } | |
| 92 } | |
| 93 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 : |