Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/DGMSelect.java @ 2403:177b0c91928d

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'Bezugslinienverfahren': Improve the error messages even more. flys-artifacts/trunk@4030 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Fri, 10 Feb 2012 11:28:43 +0000
parents 9d5f339d83a3
children a075f26a516c
rev   line source
927
53a2be494765 Enhanced the transition model to continue the parameterization in the waterlevel state to compute flood maps.
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parents:
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1 package de.intevation.flys.artifacts.states;
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2
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3 import java.io.File;
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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 org.apache.log4j.Logger;
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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
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12 import de.intevation.artifacts.common.utils.XMLUtils.ElementCreator;
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13
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14 import de.intevation.flys.model.DGM;
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15 import de.intevation.flys.model.River;
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16
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17 import de.intevation.flys.artifacts.FLYSArtifact;
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18 import de.intevation.flys.utils.FLYSUtils;
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19
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20
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21 /**
53a2be494765 Enhanced the transition model to continue the parameterization in the waterlevel state to compute flood maps.
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22 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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23 */
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24 public class DGMSelect extends DefaultState {
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25
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26 private static final Logger logger = Logger.getLogger(DGMSelect.class);
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28 public static final String ERR_EMPTY = "error_no_dgm_selected";
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29 public static final String ERR_INVALID_DGM = "error_invalid_dgm_selected";
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30 public static final String ERR_BAD_DGM_RANGE = "error_bad_dgm_range";
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31 public static final String ERR_BAD_DGM_RIVER = "error_bad_dgm_river";
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32
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33
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34 @Override
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35 protected String getUIProvider() {
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36 return "dgm_datacage_panel";
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37 }
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38
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39
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40 @Override
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41 protected Element createStaticData(
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42 FLYSArtifact flys,
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43 ElementCreator creator,
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44 CallContext cc,
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45 String name,
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46 String value,
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47 String type
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48 ) {
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49 Element dataElement = creator.create("data");
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50 creator.addAttr(dataElement, "name", name, true);
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51 creator.addAttr(dataElement, "type", type, true);
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52
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53 Element itemElement = creator.create("item");
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54 creator.addAttr(itemElement, "value", value, true);
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55
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56 creator.addAttr(itemElement, "label", getLabel(cc, value), true);
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57 dataElement.appendChild(itemElement);
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58
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59 return dataElement;
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60 }
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61
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62
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63 public static String getLabel(CallContext cc, String value) {
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64 logger.debug("Create label for value: " + value);
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65
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66 try {
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67 DGM dgm = DGM.getDGM(Integer.parseInt(value));
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68
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69 File file = new File(dgm.getPath());
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70 return file.getName();
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71 }
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72 catch (NumberFormatException nfe) {
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73 logger.warn("Cannot parse int value: '" + value + "'");
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74 }
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75
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76 return "";
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77 }
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78
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79
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80 @Override
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81 public boolean validate(Artifact artifact)
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82 throws IllegalArgumentException
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83 {
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84 FLYSArtifact flys = (FLYSArtifact) artifact;
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85
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86 DGM dgm = getDGM(flys);
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87
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88 if (dgm == null) {
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89 throw new IllegalArgumentException(ERR_INVALID_DGM);
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90 }
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91
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92 double l = dgm.getLower().doubleValue();
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93 double u = dgm.getUpper().doubleValue();
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94
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95 double[] range = FLYSUtils.getKmFromTo(flys);
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96
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97 if (range[0] < l || range[0] > u || range[1] < l || range[1] > u) {
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98 throw new IllegalArgumentException(ERR_BAD_DGM_RANGE);
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99 }
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100
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101 River selectedRiver = FLYSUtils.getRiver(flys);
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102 River dgmRiver = dgm.getRiver();
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103
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104 if (selectedRiver != dgmRiver) {
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105 throw new IllegalArgumentException(ERR_BAD_DGM_RIVER);
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106 }
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107
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108 return true;
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109 }
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110
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111
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112 /**
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113 * Returns the DGM specified in the parameters of <i>flys</i>.
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114 *
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115 * @param flys The FLYSArtifact that knows the ID of a DGM.
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116 *
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117 * @throws IllegalArgumentException If the FLYSArtifact doesn't know the ID
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118 * of a DGM.
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119 *
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120 * @return the DGM specified by FLYSArtifact's parameters.
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121 */
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122 public static DGM getDGM(FLYSArtifact flys)
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123 throws IllegalArgumentException
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124 {
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125 try {
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126 Integer dgmId = flys.getDataAsInteger("dgm");
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127 if (dgmId == null) {
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128 throw new IllegalArgumentException(ERR_EMPTY);
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129 }
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130
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131 logger.debug("Found selected dgm: '" + dgmId + "'");
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132
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133 return DGM.getDGM(dgmId);
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134 }
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135 catch (NumberFormatException nfe) {
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136 throw new IllegalArgumentException(ERR_INVALID_DGM);
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137 }
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138 }
927
53a2be494765 Enhanced the transition model to continue the parameterization in the waterlevel state to compute flood maps.
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139 }
53a2be494765 Enhanced the transition model to continue the parameterization in the waterlevel state to compute flood maps.
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140 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org