Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/WINFOArtifact.java @ 131:0bab3a39a474

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Added section in configuration for database backend. flys-artifacts/trunk@1480 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Tue, 15 Mar 2011 17:12:58 +0000
parents 206312c2aa76
children f3dfa188d8b2
rev   line source
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1 package de.intevation.flys.artifacts;
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2
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3 import java.util.List;
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4 import java.util.Set;
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5
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6 import javax.xml.xpath.XPathConstants;
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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 org.apache.log4j.Logger;
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14 import de.intevation.artifacts.ArtifactNamespaceContext;
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15 import de.intevation.artifacts.CallContext;
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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.State;
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20 import de.intevation.artifactdatabase.state.StateEngine;
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21 import de.intevation.artifactdatabase.transition.TransitionEngine;
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23 import de.intevation.artifacts.common.utils.XMLUtils;
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25 import de.intevation.flys.artifacts.context.FLYSContext;
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26 import de.intevation.flys.artifacts.resources.Resources;
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28
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29 /**
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30 * The default WINFO artifact.
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31 *
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32 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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33 */
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34 public class WINFOArtifact extends FLYSArtifact {
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36 /** The logger for this class */
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37 private static Logger logger = Logger.getLogger(WINFOArtifact.class);
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40 /** The name of the artifact.*/
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41 public static final String ARTIFACT_NAME = "winfo";
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42
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43 /** XPath */
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44 public static final String XPATH_STATIC_UI ="/art:result/art:ui/art:static";
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47 /**
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48 * The default constructor.
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49 */
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50 public WINFOArtifact() {
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51 }
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54 /**
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55 * This method returns a description of this artifact.
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56 *
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57 * @param data Some data.
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58 * @param context The CallContext.
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59 *
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60 * @return the description of this artifact.
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61 */
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62 public Document describe(Document data, CallContext context) {
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63 logger.debug("Describe: the current state is: " + getCurrentStateId());
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65 FLYSContext flysContext = null;
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66 if (context instanceof FLYSContext) {
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67 flysContext = (FLYSContext) context;
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68 }
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69 else {
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70 flysContext = (FLYSContext) context.globalContext();
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71 }
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73 StateEngine stateEngine = (StateEngine) flysContext.get(
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74 FLYSContext.STATE_ENGINE_KEY);
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75
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76 TransitionEngine transitionEngine = (TransitionEngine) flysContext.get(
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77 FLYSContext.TRANSITION_ENGINE_KEY);
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78
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79 List<State> reachable = transitionEngine.getReachableStates(
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80 getCurrentState(context), stateEngine);
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81
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82 Document description = XMLUtils.newDocument();
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83 XMLUtils.ElementCreator creator = new XMLUtils.ElementCreator(
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84 description,
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85 ArtifactNamespaceContext.NAMESPACE_URI,
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86 ArtifactNamespaceContext.NAMESPACE_PREFIX);
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88 Element root = ProtocolUtils.createRootNode(creator);
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89 description.appendChild(root);
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91 State current = getCurrentState(context);
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93 ProtocolUtils.appendDescribeHeader(creator, root, identifier(), hash());
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94 ProtocolUtils.appendState(creator, root, current);
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95 ProtocolUtils.appendReachableStates(creator, root, reachable);
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97 Element ui = ProtocolUtils.createArtNode(
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98 creator, "ui", null, null);
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99
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100 Element staticUI = ProtocolUtils.createArtNode(
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101 creator, "static", null, null);
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102
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103 appendStaticUI(creator, staticUI, context);
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104
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105 Element dynamic = current.describe(
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106 description,
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107 root,
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108 context,
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109 identifier());
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111 ui.appendChild(dynamic);
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112 ui.appendChild(staticUI);
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113 root.appendChild(ui);
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115 return description;
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116 }
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118
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119 /**
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120 * Returns the name of the concrete artifact.
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121 *
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122 * @return the name of the concrete artifact.
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123 */
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124 public String getName() {
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125 return ARTIFACT_NAME;
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126 }
124
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127
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128
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129 /**
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130 * This method appends the static data - that has already been inserted by
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131 * the user - to the static node of the DESCRIBE document.
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132 *
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133 * @param cr The ElementCreator that is used to create new elements.
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134 * @param ui The static ui node.
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135 */
128
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136 protected void appendStaticUI(
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137 XMLUtils.ElementCreator cr,
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138 Node ui,
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139 CallContext context)
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140 {
124
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141 Set<String> keys = data.keySet();
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142
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143 // XXX This just handles single selection string values. If we need more
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144 // complex (maybe multiselect) objects we should introduce a data
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145 // structure for this - this structure should have a method that returns
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146 // a <data> node that contains its items.
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147 for (String k: keys) {
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148 logger.debug("The key = " + k);
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149 StateData d = getData(k);
128
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150 String name = Resources.getMsg(
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151 context.getMeta(),
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152 d.getName(),
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153 d.getName());
124
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154
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155 Element dataElement = cr.create("data");
128
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156 cr.addAttr(dataElement, "name", name, true);
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157 cr.addAttr(dataElement, "type", d.getType(), true);
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158
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159 Element itemElement = cr.create("item");
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160 cr.addAttr(itemElement, "value", (String) d.getValue(), true);
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161 // TODO Description (human readable) is missing
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162
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163 dataElement.appendChild(itemElement);
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164 ui.appendChild(dataElement);
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165 }
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166 }
105
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167 }
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168 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org