Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/DefaultState.java @ 135:2d6e02787d00

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Added a method to retrieve the UIProvider for a state. flys-artifacts/trunk@1504 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Thu, 17 Mar 2011 16:37:39 +0000
parents f3dfa188d8b2
children 2e510c998adb
rev   line source
126
b18aebd1342f Added an abstract base class DefaultState for States.
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1 package de.intevation.flys.artifacts.states;
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2
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3 import java.util.Collection;
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4 import java.util.Map;
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5
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6 import org.apache.log4j.Logger;
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7
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8 import org.w3c.dom.Document;
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9 import org.w3c.dom.Element;
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10 import org.w3c.dom.Node;
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11
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12 import de.intevation.artifacts.CallContext;
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13 import de.intevation.artifacts.ArtifactNamespaceContext;
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14
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15 import de.intevation.artifacts.common.utils.XMLUtils;
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16
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17 import de.intevation.artifactdatabase.ProtocolUtils;
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18 import de.intevation.artifactdatabase.data.StateData;
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19 import de.intevation.artifactdatabase.state.AbstractState;
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20
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21 import de.intevation.flys.artifacts.resources.Resources;
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22
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23
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24 /**
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25 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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26 */
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27 public abstract class DefaultState extends AbstractState {
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28
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29 /** The logger that is used in this class.*/
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30 private static Logger logger = Logger.getLogger(DefaultState.class);
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31
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32
134
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33 public Element describeStatic(
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34 Document document,
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35 Node root,
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36 CallContext context,
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37 String uuid)
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38 {
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39 XMLUtils.ElementCreator creator = new XMLUtils.ElementCreator(
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40 document,
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41 ArtifactNamespaceContext.NAMESPACE_URI,
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42 ArtifactNamespaceContext.NAMESPACE_PREFIX);
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43
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44 Element ui = ProtocolUtils.createArtNode(
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45 creator, "state",
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46 new String[] { "name" },
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47 new String[] { getID() });
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48
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49 Map<String, StateData> theData = getData();
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50 if (theData == null) {
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51 return ui;
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52 }
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53
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54 Collection<StateData> dataItems = theData.values();
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55
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56 for (StateData data: dataItems) {
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57 String name = data.getName();
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58
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59 Element dataElement = creator.create("data");
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60 creator.addAttr(dataElement, "name", name, true);
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61 creator.addAttr(dataElement, "type", data.getType(), true);
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62
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63 Element itemElement = creator.create("item");
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64 creator.addAttr(itemElement, "value", (String) data.getValue(), true);
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65 // TODO Description (human readable) is missing
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66
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67 dataElement.appendChild(itemElement);
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68 ui.appendChild(dataElement);
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69 }
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70
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71 return ui;
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72 }
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73
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74
126
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75 public Element describe(
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76 Document document,
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77 Node root,
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78 CallContext context,
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79 String uuid)
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80 {
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81 XMLUtils.ElementCreator creator = new XMLUtils.ElementCreator(
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82 document,
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83 ArtifactNamespaceContext.NAMESPACE_URI,
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84 ArtifactNamespaceContext.NAMESPACE_PREFIX);
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85
135
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86 Element ui = null;
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87 String uiprovider = getUIProvider();
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88 if (uiprovider != null) {
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89 ui = ProtocolUtils.createArtNode(
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90 creator, "dynamic",
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91 new String[] { "uiprovider" },
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92 new String[] { uiprovider });
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93 }
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94 else {
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95 ui = ProtocolUtils.createArtNode(creator, "dynamic", null, null);
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96 }
126
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97
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98 Map<String, StateData> theData = getData();
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99 if (theData == null) {
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100 return ui;
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101 }
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102
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103 Collection<StateData> dataItems = theData.values();
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104
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105 for (StateData data: dataItems) {
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106 String name = data.getName();
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107 Element select = createData(creator, data, context);
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108
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109 Element choices = ProtocolUtils.createArtNode(
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110 creator, "choices", null, null);
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111
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112 select.appendChild(choices);
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113 ui.appendChild(select);
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114
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115 Element[] items = createItems(creator, name, context);
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116 for (Element item: items) {
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117 choices.appendChild(item);
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118 }
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119 }
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120
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121 return ui;
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122 }
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123
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124
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125 /**
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126 * This method creates the root node that contains the list of selectable
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127 * items.
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128 *
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129 * @param cr The ElementCreator.
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130 * @param name The name of the amount of data.
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131 *
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132 * @return the root node of the item list.
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133 */
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134 protected Element createData(
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135 XMLUtils.ElementCreator cr,
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136 StateData data,
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137 CallContext context)
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138 {
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139 Element select = ProtocolUtils.createArtNode(
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140 cr, "select", null, null);
129
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141 cr.addAttr(select, "name", data.getName(), true);
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142
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143 Element label = ProtocolUtils.createArtNode(
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144 cr, "label", null, null);
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145
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146 select.appendChild(label);
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147
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148 label.setTextContent(Resources.getMsg(
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149 context.getMeta(),
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150 getID(),
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151 getID()));
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152
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153 return select;
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154 }
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155
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156
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157 /**
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158 * This method creates a list of items. These items represent the amount of
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159 * input data that is possible for this state.
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160 *
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161 * @param cr The ElementCreator.
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162 * @param name The name of the amount of data.
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163 *
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164 * @return a list of items.
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165 */
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166 protected abstract Element[] createItems(
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167 XMLUtils.ElementCreator cr,
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168 String name,
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169 CallContext context);
135
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170
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171
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172 protected String getUIProvider() {
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173 return null;
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174 }
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175 }
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176 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org