Mercurial > dive4elements > river
annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/RangeState.java @ 1077:3067e700fc13
Minor cosmetics and docs.
flys-artifacts/trunk@2574 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
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date | Thu, 25 Aug 2011 10:34:20 +0000 |
parents | 9a77a9adbb36 |
children | cafd8af6734a |
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 |
322
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31 /** |
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32 * Validates a given range with a given valid range. |
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33 * |
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34 * @param fromValid Valid lower value of the range. |
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35 * @param toValid Valid upper value of the range. |
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36 * @param from The lower value. |
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37 * @param to The upper value. |
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38 * @param step The step width. |
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39 * |
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40 * @return true, if everything was fine, otherwise an exception is thrown. |
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41 */ |
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Enabled the FLYSArtifact to handle an array of inserted WQ values (without given ranges).
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42 protected boolean validateBounds( |
322
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43 double fromValid, double toValid, |
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44 double from, double to, double step) |
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45 throws IllegalArgumentException |
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46 { |
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47 logger.debug("RangeState.validateRange"); |
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48 |
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49 if (from < fromValid) { |
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50 logger.error( |
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51 "Invalid 'from'. " + from + " is smaller than " + fromValid); |
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52 throw new IllegalArgumentException("error_feed_from_out_of_range"); |
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53 } |
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54 else if (to > toValid) { |
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55 logger.error( |
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56 "Invalid 'to'. " + to + " is bigger than " + toValid); |
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57 throw new IllegalArgumentException("error_feed_to_out_of_range"); |
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58 } |
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59 |
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60 return true; |
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61 } |
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62 |
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63 |
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64 @Override |
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65 public boolean validate(Artifact artifact) |
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66 throws IllegalArgumentException |
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67 { |
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68 FLYSArtifact flys = (FLYSArtifact) artifact; |
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69 |
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70 StateData dFrom = getData(flys, getLowerField()); |
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71 StateData dTo = getData(flys, getUpperField()); |
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72 StateData dStep = getData(flys, getStepField()); |
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73 |
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74 String fromStr = dFrom != null ? (String) dFrom.getValue() : null; |
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75 String toStr = dTo != null ? (String) dTo.getValue() : null; |
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76 String stepStr = dStep != null ? (String) dStep.getValue() : null; |
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77 |
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78 if (fromStr == null || toStr == null || stepStr == null) { |
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79 throw new IllegalArgumentException("error_empty_state"); |
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80 } |
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81 |
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82 try { |
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83 double from = Double.parseDouble(fromStr); |
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84 double to = Double.parseDouble(toStr); |
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85 double step = Double.parseDouble(stepStr); |
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86 |
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87 double[] minmax = getMinMax(flys); |
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88 |
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89 return validateBounds(minmax[0], minmax[1], from, to, step); |
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90 } |
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91 catch (NumberFormatException nfe) { |
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92 throw new IllegalArgumentException("error_invalid_double_value"); |
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93 } |
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94 } |
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95 } |
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96 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 : |