Mercurial > dive4elements > river
annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/CalculationSelect.java @ 947:db8d93cb65fd
Made meta data template configurable.
flys-artifacts/trunk@2363 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Tue, 19 Jul 2011 16:39:32 +0000 |
parents | c09c9e05ecfa |
children | eccf966fb677 |
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Introduced a state to select the calculation mode.
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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 org.w3c.dom.Element; |
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6 |
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7 import de.intevation.artifacts.Artifact; |
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8 import de.intevation.artifacts.CallContext; |
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9 import de.intevation.artifacts.CallMeta; |
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10 |
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11 import de.intevation.artifacts.common.utils.XMLUtils; |
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12 |
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13 import de.intevation.artifactdatabase.ProtocolUtils; |
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14 import de.intevation.artifactdatabase.data.StateData; |
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15 |
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16 import de.intevation.flys.artifacts.FLYSArtifact; |
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17 import de.intevation.flys.artifacts.resources.Resources; |
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18 |
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19 /** |
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20 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> |
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21 */ |
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22 public class CalculationSelect extends DefaultState { |
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23 |
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24 /** The logger that is used in this class.*/ |
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25 private static Logger logger = Logger.getLogger(CalculationSelect.class); |
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26 |
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27 |
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28 |
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29 public static final String FIELD_MODE = "calculation_mode"; |
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30 |
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31 /** Constant value for the reference line calculation.*/ |
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32 public static final String CALCULATION_SURFACE_CURVE = |
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33 "calc.surface.curve"; |
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34 |
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35 /** Constant value for the differences calculation.*/ |
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36 public static final String CALCULATION_DURATION_CURVE = |
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37 "calc.duration.curve"; |
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38 |
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39 /** Constant value for the flood map calculation.*/ |
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40 public static final String CALCULATION_FLOOD_MAP = |
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41 "calc.flood.map"; |
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42 |
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43 /** Constant value for the profile calculation.*/ |
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44 public static final String CALCULATION_DISCHARGE_LONGITUDINAL_CURVE = |
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45 "calc.discharge.longitudinal.section"; |
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46 |
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47 /** Constant value for the state discharge curve calculation.*/ |
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48 public static final String CALCULATION_DISCHARGE_CURVE = |
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49 "calc.discharge.curve"; |
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50 |
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51 /** An array that holds all available calculation modes.*/ |
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52 public static final String[] CALCULATIONS = { |
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53 CALCULATION_SURFACE_CURVE, |
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54 CALCULATION_FLOOD_MAP, |
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55 CALCULATION_DISCHARGE_CURVE, |
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56 CALCULATION_DURATION_CURVE, |
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57 CALCULATION_DISCHARGE_LONGITUDINAL_CURVE }; |
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58 |
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59 |
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60 /** Error message that is thrown if no mode has been chosen.*/ |
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61 public static final String ERROR_NO_CALCULATION_MODE = |
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62 "error_feed_no_calculation_mode"; |
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63 |
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64 /** Error message that is thrown if an invalid calculation mode has been |
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65 * chosen.*/ |
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66 public static final String ERROR_INVALID_CALCULATION_MODE = |
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67 "error_feed_invalid_calculation_mode"; |
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68 |
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69 |
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70 public CalculationSelect() { |
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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 protected Element[] createItems( |
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76 XMLUtils.ElementCreator cr, |
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77 Artifact artifact, |
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78 String name, |
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79 CallContext context) |
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80 { |
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81 CallMeta meta = context.getMeta(); |
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82 Element[] calcs = new Element[CALCULATIONS.length]; |
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83 |
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84 int i = 0; |
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85 |
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86 for (String calc: CALCULATIONS) { |
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87 calcs[i++] = createItem( |
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88 cr, new String[] { |
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89 Resources.getMsg(meta, calc, calc), |
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90 calc |
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91 }); |
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92 } |
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93 |
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94 return calcs; |
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95 } |
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96 |
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97 |
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98 protected Element createItem(XMLUtils.ElementCreator cr, Object obj) { |
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99 Element item = ProtocolUtils.createArtNode(cr, "item", null, null); |
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100 Element label = ProtocolUtils.createArtNode(cr, "label", null, null); |
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101 Element value = ProtocolUtils.createArtNode(cr, "value", null, null); |
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102 |
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103 String[] arr = (String[]) obj; |
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104 |
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105 label.setTextContent(arr[0]); |
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106 value.setTextContent(arr[1]); |
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107 |
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108 item.appendChild(label); |
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109 item.appendChild(value); |
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110 |
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111 return item; |
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112 } |
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113 |
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114 |
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115 @Override |
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116 public boolean validate(Artifact artifact, CallContext context) |
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117 throws IllegalArgumentException |
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118 { |
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119 logger.debug("CalculationSelect.validate"); |
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120 FLYSArtifact flys = (FLYSArtifact) artifact; |
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121 |
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122 StateData data = getData(flys, FIELD_MODE); |
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123 String calc = data != null ? (String) data.getValue() : null; |
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124 |
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125 if (calc == null) { |
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126 throw new IllegalArgumentException(ERROR_NO_CALCULATION_MODE); |
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127 } |
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128 |
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129 calc = calc.trim().toLowerCase(); |
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130 |
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131 for (String mode: CALCULATIONS) { |
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132 if (mode.equals(calc)) { |
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133 return true; |
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134 } |
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135 } |
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136 |
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137 throw new IllegalArgumentException(ERROR_INVALID_CALCULATION_MODE); |
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138 } |
127
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139 } |
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140 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 : |