Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/RiverSelect.java @ 329:0b2358bc716d

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Discharge table: Added static method getWForQ() to interpolate a w value for a given q value based on a given discharge table. flys-artifacts/trunk@1727 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Tue, 19 Apr 2011 11:05:27 +0000
parents cd9e397cc2a8
children f165c7d5d6db
rev   line source
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1 package de.intevation.flys.artifacts.states;
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3 import java.util.List;
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4 import java.util.Map;
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6 import org.apache.log4j.Logger;
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8 import org.w3c.dom.Element;
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9 import org.w3c.dom.Node;
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11 import de.intevation.artifacts.Artifact;
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12 import de.intevation.artifacts.CallContext;
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14 import de.intevation.artifacts.common.utils.XMLUtils;
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15
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16 import de.intevation.artifactdatabase.ProtocolUtils;
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17 import de.intevation.artifactdatabase.data.StateData;
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19 import de.intevation.flys.model.River;
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21 import de.intevation.flys.artifacts.FLYSArtifact;
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22 import de.intevation.flys.artifacts.model.RiverFactory;
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23 import de.intevation.flys.artifacts.resources.Resources;
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26 /**
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27 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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28 */
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29 public class RiverSelect extends DefaultState {
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31 /** The logger used in this class. */
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32 private static Logger logger = Logger.getLogger(RiverSelect.class);
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34
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35 /** Error message that is thrown if no river was found based on a given
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36 * name.*/
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37 public static final String ERROR_NO_SUCH_RIVER =
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38 "error_feed_no_such_river";
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39
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40 /** Error message that is thrown if no river was found based on a given
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41 * name.*/
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42 public static final String ERROR_NO_RIVER_SELECTED =
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43 "error_feed_no_river_selected";
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46 /**
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47 * The default constructor that initializes an empty State object.
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48 */
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49 public RiverSelect() {
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50 }
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53 /**
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54 * Initialize the state based on the state node in the configuration.
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55 *
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56 * @param config The state configuration node.
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57 */
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58 public void setup(Node config) {
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59 super.setup(config);
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60 }
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61
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62
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63 protected Element createData(
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64 XMLUtils.ElementCreator cr,
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65 Artifact artifact,
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66 StateData data,
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67 CallContext context)
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68 {
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69 Element select = ProtocolUtils.createArtNode(
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70 cr, "select",
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71 new String[] { "uiprovider" },
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72 new String[] { "select_with_map" });
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73 cr.addAttr(select, "name", data.getName(), true);
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74
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75 Element label = ProtocolUtils.createArtNode(
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76 cr, "label", null, null);
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78 Element choices = ProtocolUtils.createArtNode(
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79 cr, "choices", null, null);
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81 select.appendChild(label);
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82
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83 label.setTextContent(Resources.getMsg(
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84 context.getMeta(),
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85 getID(),
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86 getID()));
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87
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88 return select;
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89 }
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91
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92 protected Element[] createItems(
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93 XMLUtils.ElementCreator cr,
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94 Artifact artifact,
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95 String name,
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96 CallContext context)
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97 {
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98 List<River> rivers = RiverFactory.getRivers();
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99 Element[] items = new Element[rivers.size()];
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100
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101 int idx = 0;
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102 for (River river: rivers) {
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103 items[idx++] = createRiverItem(cr, river);
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104 }
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105
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106 return items;
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107 }
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110 /**
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111 * This method creates a node that represents a river item. This node
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112 * contains the label and the value that describe the river.
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113 *
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114 * @param cr The ElementCreator.
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115 * @param river The river.
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116 *
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117 * @return the element that contains the information about the river.
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118 */
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119 protected Element createRiverItem(XMLUtils.ElementCreator cr, River river) {
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120 Element item = ProtocolUtils.createArtNode(cr, "item", null, null);
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121 Element label = ProtocolUtils.createArtNode(cr, "label", null, null);
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122 Element value = ProtocolUtils.createArtNode(cr, "value", null, null);
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123
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124 label.setTextContent(river.getName());
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125 value.setTextContent(river.getName());
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126
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127 item.appendChild(label);
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128 item.appendChild(value);
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129
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130 return item;
109
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131 }
324
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132
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133
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134 @Override
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135 public boolean validate(Artifact artifact, CallContext context)
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136 throws IllegalArgumentException
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137 {
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138 logger.debug("RiverSelect.validate");
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139
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140 Map<String, StateData> data = getData();
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141
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142 StateData dRiver = data.get("river");
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143
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144 if (dRiver == null || dRiver.getValue() == null) {
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145 throw new IllegalArgumentException(ERROR_NO_RIVER_SELECTED);
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146 }
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147
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148 River river = RiverFactory.getRiver((String) dRiver.getValue());
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149
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150 if (river == null) {
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151 throw new IllegalArgumentException(ERROR_NO_SUCH_RIVER);
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152 }
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153
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154 return true;
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155 }
109
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156 }
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157 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org