Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/AbstractStaticStateArtifact.java @ 5818:a4ff4167be1e

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Request feature info on all layers and show it as html if the server does not return valid gml. Non queryable layers produce an error message when the request fails. This is good enough
author Andre Heinecke <aheinecke@intevation.de>
date Wed, 24 Apr 2013 17:33:27 +0200
parents 79878efbdf07
children
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.ArrayList;
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4 import java.util.Collection;
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5 import java.util.List;
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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 org.w3c.dom.Document;
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10 import org.w3c.dom.Element;
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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 import de.intevation.artifacts.common.utils.XMLUtils.ElementCreator;
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17
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18 import de.intevation.artifactdatabase.ProtocolUtils;
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19 import de.intevation.artifactdatabase.data.StateData;
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20 import de.intevation.artifactdatabase.state.State;
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21
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22 import de.intevation.flys.artifacts.states.StaticState;
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23
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24 /**
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25 * A abstract baseclass for Artifacts which are using only one static state.
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26 *
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27 * This class is intended to be used without the config/stateengine to generate
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28 * the static state.
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29 *
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30 * @author <a href="mailto:bjoern.ricks@intevation.de">Björn Ricks</a>
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31 */
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32 public abstract class AbstractStaticStateArtifact extends StaticFLYSArtifact {
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33
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34 private transient StaticState staticstate;
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35
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36 private static final Logger logger =
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37 Logger.getLogger(AbstractStaticStateArtifact.class);
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38
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39 /**
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40 * Get a list containing the one and only State.
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41 * @param context ignored.
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42 * @return list with one and only state.
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43 */
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44 @Override
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45 protected List<State> getStates(Object context) {
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46 ArrayList<State> states = new ArrayList<State>();
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47 states.add(getStaticState());
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48 return states;
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49 }
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50
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51
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52 /**
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53 * Get the "current" state.
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54 * @param cc ignored.
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55 * @return always the set static state.
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56 */
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57 @Override
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58 public State getCurrentState(Object cc) {
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59 return getStaticState();
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60 }
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61
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62 /**
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63 * A child class must override this method to set its static state
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64 */
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65 protected abstract void initStaticState();
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66
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67 protected void setStaticState(StaticState state) {
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68 this.staticstate = state;
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69 }
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70
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71 protected StaticState getStaticState() {
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72 if (staticstate == null) {
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73 initStaticState();
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74 }
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75 return staticstate;
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76 }
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77
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78 /**
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79 * Get the state.
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80 * @param context ignored.
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81 * @param stateID ignored.
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82 * @return the state.
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83 */
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84 @Override
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85 protected State getState(Object context, String stateID) {
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86 return getStaticState();
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87 }
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88
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89 @Override
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90 public Document describe(Document data, CallContext cc) {
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91 logger.debug("Describe artifact: " + identifier());
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92
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93 Document desc = XMLUtils.newDocument();
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94
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95 ElementCreator creator = new ElementCreator(
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96 desc,
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97 ArtifactNamespaceContext.NAMESPACE_URI,
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98 ArtifactNamespaceContext.NAMESPACE_PREFIX);
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99
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100 Element root = ProtocolUtils.createRootNode(creator);
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101 desc.appendChild(root);
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102
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103 Element name = ProtocolUtils.createArtNode(
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104 creator, "name",
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105 new String[] { "value" },
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106 new String[] { getName() });
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107
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108 root.appendChild(name);
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109 root.appendChild(createOutputModes(cc, desc, creator));
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110
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111 ProtocolUtils.appendDescribeHeader(creator, root, identifier(), hash());
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112
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113 // Add the data to an anonymous state.
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114 Collection<StateData> datas = getAllData();
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115 if (datas.size() > 0) {
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116 Element ui = creator.create("ui");
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117 Element staticE = creator.create("static");
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118
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119 StaticState current = getStaticState();
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120 Element state = current.describeStatic(this, desc, root, cc, null);
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121 staticE.appendChild(state);
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122
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123 for (StateData dataItem : datas) {
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124 Element itemelent = creator.create("data");
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125 creator.addAttr(itemelent, "name", dataItem.getName(), true);
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126 creator.addAttr(itemelent, "type", dataItem.getType(), true);
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127 state.appendChild(itemelent);
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128 Element valuement = creator.create("item");
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129 creator.addAttr(valuement, "label", dataItem.getDescription(), true);
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130 creator.addAttr(valuement, "value", dataItem.getValue().toString(), true);
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131 itemelent.appendChild(valuement);
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132 }
a699d6c42a8b Override describe method to return also a uiprovider.
Björn Ricks <bjoern.ricks@intevation.de>
parents: 4157
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133
a699d6c42a8b Override describe method to return also a uiprovider.
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134 ui.appendChild(staticE);
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135 root.appendChild(ui);
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parents: 4157
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136 }
a699d6c42a8b Override describe method to return also a uiprovider.
Björn Ricks <bjoern.ricks@intevation.de>
parents: 4157
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137
a699d6c42a8b Override describe method to return also a uiprovider.
Björn Ricks <bjoern.ricks@intevation.de>
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138 return desc;
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139 }
3936
4e1b3b4ef132 Add new Artifacts and State for displaying discharge curves at a gauge
Bjoern Ricks <bjoern.ricks@intevation.de>
parents:
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140 }
http://dive4elements.wald.intevation.org