Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/CalculationSelect.java @ 377:0ccf7200fc51

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Enabled the server to handle longitudinal section chart requests with inserted W data - Ws are transformed into Qs then. flys-artifacts/trunk@1789 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Mon, 02 May 2011 12:47:10 +0000
parents b33ba2cd4a3e
children 929137ee8154
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 java.util.Map;
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4
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5 import org.apache.log4j.Logger;
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6
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7 import org.w3c.dom.Element;
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8
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9 import de.intevation.artifacts.Artifact;
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10 import de.intevation.artifacts.CallContext;
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11 import de.intevation.artifacts.CallMeta;
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12
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13 import de.intevation.artifacts.common.utils.XMLUtils;
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14
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15 import de.intevation.artifactdatabase.ProtocolUtils;
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16 import de.intevation.artifactdatabase.data.StateData;
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17
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18 import de.intevation.flys.artifacts.resources.Resources;
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19
127
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20 /**
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21 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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22 */
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23 public class CalculationSelect extends DefaultState {
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24
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25 /** The logger that is used in this class.*/
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26 private static Logger logger = Logger.getLogger(CalculationSelect.class);
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27
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28
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29 /** Constant value for the reference line calculation.*/
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30 public static final String CALCULATION_SURFACE_CURVE =
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31 "calc.surface.curve";
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32
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33 /** Constant value for the differences calculation.*/
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34 public static final String CALCULATION_DURATION_CURVE =
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35 "calc.duration.curve";
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36
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37 /** Constant value for the flood map calculation.*/
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38 public static final String CALCULATION_FLOOD_MAP =
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39 "calc.flood.map";
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40
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41 /** Constant value for the profile calculation.*/
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42 public static final String CALCULATION_DISCHARGE_LONGITUDINAL_CURVE =
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43 "calc.discharge.longitudinal.section";
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44
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45 /** Constant value for the state discharge curve calculation.*/
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46 public static final String CALCULATION_DISCHARGE_CURVE =
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47 "calc.discharge.curve";
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48
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49 /** An array that holds all available calculation modes.*/
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50 public static final String[] CALCULATIONS = {
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51 CALCULATION_SURFACE_CURVE,
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52 CALCULATION_FLOOD_MAP,
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53 CALCULATION_DISCHARGE_CURVE,
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54 CALCULATION_DURATION_CURVE,
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55 CALCULATION_DISCHARGE_LONGITUDINAL_CURVE };
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56
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57
323
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58 /** Error message that is thrown if no mode has been chosen.*/
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59 public static final String ERROR_NO_CALCULATION_MODE =
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60 "error_feed_no_calculation_mode";
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61
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62 /** Error message that is thrown if an invalid calculation mode has been
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63 * chosen.*/
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64 public static final String ERROR_INVALID_CALCULATION_MODE =
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65 "error_feed_invalid_calculation_mode";
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66
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67
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68 protected Element[] createItems(
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69 XMLUtils.ElementCreator cr,
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70 Artifact artifact,
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71 String name,
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72 CallContext context)
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73 {
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74 CallMeta meta = context.getMeta();
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75 Element[] calcs = new Element[CALCULATIONS.length];
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76
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77 int i = 0;
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78
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79 for (String calc: CALCULATIONS) {
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80 calcs[i++] = createItem(
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81 cr, new String[] {
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82 Resources.getMsg(meta, calc, calc),
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83 calc
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84 });
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85 }
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86
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87 return calcs;
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88 }
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89
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90
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91 protected Element createItem(XMLUtils.ElementCreator cr, Object obj) {
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92 Element item = ProtocolUtils.createArtNode(cr, "item", null, null);
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93 Element label = ProtocolUtils.createArtNode(cr, "label", null, null);
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94 Element value = ProtocolUtils.createArtNode(cr, "value", null, null);
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95
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96 String[] arr = (String[]) obj;
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97
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98 label.setTextContent(arr[0]);
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99 value.setTextContent(arr[1]);
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100
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101 item.appendChild(label);
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102 item.appendChild(value);
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103
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104 return item;
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105 }
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106
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107
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108 @Override
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109 public boolean validate(Artifact artifact, CallContext context)
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110 throws IllegalArgumentException
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111 {
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112 logger.debug("CalculationSelect.validate");
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113
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114 Map<String, StateData> data = getData();
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115
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116 String calc = (String) data.get("calculation_mode").getValue();
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117
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118 if (calc == null) {
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119 throw new IllegalArgumentException(ERROR_NO_CALCULATION_MODE);
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120 }
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121
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122 calc = calc.trim().toLowerCase();
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123
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124 for (String mode: CALCULATIONS) {
b33ba2cd4a3e The calculation method is validated in the feed() operation.
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parents: 313
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125 if (mode.equals(calc)) {
b33ba2cd4a3e The calculation method is validated in the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 313
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126 return true;
b33ba2cd4a3e The calculation method is validated in the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 313
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127 }
b33ba2cd4a3e The calculation method is validated in the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 313
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128 }
b33ba2cd4a3e The calculation method is validated in the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 313
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129
b33ba2cd4a3e The calculation method is validated in the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 313
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130 throw new IllegalArgumentException(ERROR_INVALID_CALCULATION_MODE);
b33ba2cd4a3e The calculation method is validated in the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 313
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131 }
127
21d791e21aca Introduced a state to select the calculation mode.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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132 }
21d791e21aca Introduced a state to select the calculation mode.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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133 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
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