Mercurial > dive4elements > river
annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/RangeState.java @ 4183:1755a1bfe5ce
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author | Christian Lins <christian.lins@intevation.de> |
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date | Fri, 19 Oct 2012 09:20:52 +0200 |
parents | 022f62c75878 |
children | 1358d0c8481c |
rev | line source |
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The inserted ranges (distance and WQ ranges) are validated in the feed() operation.
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1 package de.intevation.flys.artifacts.states; |
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2 |
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3 import org.apache.log4j.Logger; |
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4 |
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5 import de.intevation.artifacts.Artifact; |
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6 |
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7 import de.intevation.artifactdatabase.data.StateData; |
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8 |
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9 import de.intevation.flys.artifacts.FLYSArtifact; |
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10 |
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11 |
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12 /** |
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13 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> |
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14 */ |
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15 public abstract class RangeState extends DefaultState { |
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16 |
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17 /** The logger that is used in this class. */ |
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18 private Logger logger = Logger.getLogger(RangeState.class); |
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19 |
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20 |
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21 public RangeState() { |
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22 } |
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23 |
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24 |
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25 protected abstract String getLowerField(); |
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26 protected abstract String getUpperField(); |
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27 protected abstract String getStepField(); |
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28 protected abstract double[] getMinMax(Artifact artifact); |
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29 |
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30 |
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31 protected boolean validateBounds( |
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32 double fromValid, double toValid, |
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33 double from, double to) |
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34 throws IllegalArgumentException |
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35 { |
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36 if (from < fromValid) { |
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37 logger.error( |
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38 "Invalid 'from'. " + from + " is smaller than " + fromValid); |
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39 throw new IllegalArgumentException("error_feed_from_out_of_range"); |
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40 } |
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41 else if (to > toValid) { |
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42 logger.error( |
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43 "Invalid 'to'. " + to + " is bigger than " + toValid); |
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44 throw new IllegalArgumentException("error_feed_to_out_of_range"); |
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45 } |
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46 |
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47 return true; |
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48 } |
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49 |
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50 |
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51 /** |
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52 * Validates a given range with a given valid range. |
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53 * |
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54 * @param fromValid Valid lower value of the range. |
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55 * @param toValid Valid upper value of the range. |
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56 * @param from The lower value. |
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57 * @param to The upper value. |
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58 * @param step The step width. |
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59 * |
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60 * @return true, if everything was fine, otherwise an exception is thrown. |
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61 */ |
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62 protected boolean validateBounds( |
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63 double fromValid, double toValid, |
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64 double from, double to, double step) |
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65 throws IllegalArgumentException |
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66 { |
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67 logger.debug("RangeState.validateRange"); |
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68 |
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69 // XXX The step width is not validated at the moment! |
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70 return validateBounds(fromValid, toValid, from, to); |
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71 } |
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72 |
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73 |
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74 @Override |
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75 public boolean validate(Artifact artifact) |
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76 throws IllegalArgumentException |
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77 { |
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78 FLYSArtifact flys = (FLYSArtifact) artifact; |
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79 |
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80 StateData dFrom = getData(flys, getLowerField()); |
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81 StateData dTo = getData(flys, getUpperField()); |
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82 StateData dStep = getData(flys, getStepField()); |
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83 |
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84 String fromStr = dFrom != null ? (String) dFrom.getValue() : null; |
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85 String toStr = dTo != null ? (String) dTo.getValue() : null; |
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86 String stepStr = dStep != null ? (String) dStep.getValue() : null; |
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87 |
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88 if (fromStr == null || toStr == null || stepStr == null) { |
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89 throw new IllegalArgumentException("error_empty_state"); |
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90 } |
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91 |
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92 try { |
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93 double from = Double.parseDouble(fromStr); |
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94 double to = Double.parseDouble(toStr); |
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95 double step = Double.parseDouble(stepStr); |
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96 |
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97 double[] minmax = getMinMax(flys); |
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98 |
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99 return validateBounds(minmax[0], minmax[1], from, to, step); |
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100 } |
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101 catch (NumberFormatException nfe) { |
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102 throw new IllegalArgumentException("error_invalid_double_value"); |
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103 } |
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104 } |
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448d0dc64357
The inserted ranges (distance and WQ ranges) are validated in the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff
changeset
|
105 } |
448d0dc64357
The inserted ranges (distance and WQ ranges) are validated in the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff
changeset
|
106 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 : |