Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/CalculationSelect.java @ 1079:ef756e166154

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Improved implementation of MainValueArtifact#MainValueFacet . flys-artifacts/trunk@2576 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Thu, 25 Aug 2011 10:42:23 +0000
parents eccf966fb677
children 302461d5d071
rev   line source
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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
127
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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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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)
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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);
929137ee8154 ISSUE-62 (part I/II) States are no longer filled with data - if a state needs user input, it needs to query the owner artifact.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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123 String calc = data != null ? (String) data.getValue() : null;
323
b33ba2cd4a3e The calculation method is validated in the feed() operation.
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124
b33ba2cd4a3e The calculation method is validated in the feed() operation.
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125 if (calc == null) {
b33ba2cd4a3e The calculation method is validated in the feed() operation.
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126 throw new IllegalArgumentException(ERROR_NO_CALCULATION_MODE);
b33ba2cd4a3e The calculation method is validated in the feed() operation.
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127 }
b33ba2cd4a3e The calculation method is validated in the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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128
b33ba2cd4a3e The calculation method is validated in the feed() operation.
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129 calc = calc.trim().toLowerCase();
b33ba2cd4a3e The calculation method is validated in the feed() operation.
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130
b33ba2cd4a3e The calculation method is validated in the feed() operation.
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131 for (String mode: CALCULATIONS) {
b33ba2cd4a3e The calculation method is validated in the feed() operation.
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132 if (mode.equals(calc)) {
b33ba2cd4a3e The calculation method is validated in the feed() operation.
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133 return true;
b33ba2cd4a3e The calculation method is validated in the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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134 }
b33ba2cd4a3e The calculation method is validated in the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 313
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135 }
b33ba2cd4a3e The calculation method is validated in the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 313
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136
b33ba2cd4a3e The calculation method is validated in the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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137 throw new IllegalArgumentException(ERROR_INVALID_CALCULATION_MODE);
b33ba2cd4a3e The calculation method is validated in the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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138 }
127
21d791e21aca Introduced a state to select the calculation mode.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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139 }
21d791e21aca Introduced a state to select the calculation mode.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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140 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
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