Mercurial > dive4elements > river
comparison artifacts/src/main/java/org/dive4elements/river/artifacts/states/RangeState.java @ 5838:5aa05a7a34b7
Rename modules to more fitting names.
| author | Sascha L. Teichmann <teichmann@intevation.de> |
|---|---|
| date | Thu, 25 Apr 2013 15:23:37 +0200 |
| parents | flys-artifacts/src/main/java/org/dive4elements/river/artifacts/states/RangeState.java@bd047b71ab37 |
| children | 4897a58c8746 |
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| 5837:d9901a08d0a6 | 5838:5aa05a7a34b7 |
|---|---|
| 1 package org.dive4elements.river.artifacts.states; | |
| 2 | |
| 3 import org.dive4elements.artifacts.Artifact; | |
| 4 | |
| 5 import org.dive4elements.river.artifacts.FLYSArtifact; | |
| 6 | |
| 7 import org.dive4elements.river.artifacts.access.RangeAccess; | |
| 8 | |
| 9 import org.apache.log4j.Logger; | |
| 10 | |
| 11 | |
| 12 /** | |
| 13 * State in which km range is set. | |
| 14 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> | |
| 15 */ | |
| 16 public abstract class RangeState extends DefaultState { | |
| 17 | |
| 18 /** The logger that is used in this class. */ | |
| 19 private Logger logger = Logger.getLogger(RangeState.class); | |
| 20 | |
| 21 | |
| 22 public RangeState() { | |
| 23 } | |
| 24 | |
| 25 protected abstract double[] getMinMax(Artifact artifact); | |
| 26 | |
| 27 | |
| 28 protected boolean validateBounds( | |
| 29 double fromValid, double toValid, | |
| 30 double from, double to) | |
| 31 throws IllegalArgumentException | |
| 32 { | |
| 33 if (from < fromValid) { | |
| 34 logger.error( | |
| 35 "Invalid 'from'. " + from + " is smaller than " + fromValid); | |
| 36 throw new IllegalArgumentException("error_feed_from_out_of_range"); | |
| 37 } | |
| 38 else if (to > toValid) { | |
| 39 logger.error( | |
| 40 "Invalid 'to'. " + to + " is bigger than " + toValid); | |
| 41 throw new IllegalArgumentException("error_feed_to_out_of_range"); | |
| 42 } | |
| 43 | |
| 44 return true; | |
| 45 } | |
| 46 | |
| 47 | |
| 48 /** | |
| 49 * Validates a given range with a given valid range. | |
| 50 * | |
| 51 * @param fromValid Valid lower value of the range. | |
| 52 * @param toValid Valid upper value of the range. | |
| 53 * @param from The lower value. | |
| 54 * @param to The upper value. | |
| 55 * @param step The step width. | |
| 56 * | |
| 57 * @return true, if everything was fine, otherwise an exception is thrown. | |
| 58 */ | |
| 59 protected boolean validateBounds( | |
| 60 double fromValid, double toValid, | |
| 61 double from, double to, double step) | |
| 62 throws IllegalArgumentException | |
| 63 { | |
| 64 logger.debug("RangeState.validateRange"); | |
| 65 | |
| 66 // XXX The step width is not validated at the moment! | |
| 67 return validateBounds(fromValid, toValid, from, to); | |
| 68 } | |
| 69 | |
| 70 | |
| 71 @Override | |
| 72 public boolean validate(Artifact artifact) | |
| 73 throws IllegalArgumentException | |
| 74 { | |
| 75 FLYSArtifact flys = (FLYSArtifact) artifact; | |
| 76 | |
| 77 try { | |
| 78 RangeAccess rangeAccess = new RangeAccess(flys, null); | |
| 79 double from = rangeAccess.getFrom(); | |
| 80 double to = rangeAccess.getTo(); | |
| 81 double step = rangeAccess.getStep(); | |
| 82 | |
| 83 double[] minmax = getMinMax(flys); | |
| 84 | |
| 85 return validateBounds(minmax[0], minmax[1], from, to, step); | |
| 86 } | |
| 87 catch (NumberFormatException nfe) { | |
| 88 throw new IllegalArgumentException("error_invalid_double_value"); | |
| 89 } | |
| 90 catch (NullPointerException npe) { | |
| 91 throw new IllegalArgumentException("error_empty_state"); | |
| 92 } | |
| 93 } | |
| 94 } | |
| 95 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 : |