Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/ExternalWMSArtifact.java @ 4655:cd44d28d0fbc

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Move the access to artifact data to the Access object Use BedHeightAccess class to receive the data from the artifact. This abstracts the data access from the actual artifact.
author Björn Ricks <bjoern.ricks@intevation.de>
date Tue, 11 Dec 2012 09:44:04 +0100
parents a2735a4bf75e
children
rev   line source
1926
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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.List;
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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
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10 import de.intevation.artifacts.Artifact;
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11 import de.intevation.artifacts.ArtifactFactory;
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12 import de.intevation.artifacts.CallMeta;
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13
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14 import de.intevation.artifactdatabase.state.DefaultOutput;
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15 import de.intevation.artifactdatabase.state.Facet;
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16 import de.intevation.artifactdatabase.state.State;
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17
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18 import de.intevation.flys.artifacts.states.WMSBackgroundState;
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19
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20
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21 public class ExternalWMSArtifact extends StaticFLYSArtifact {
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22
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23 public static final String NAME = "external_wms";
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24
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25 private static final Logger logger =
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26 Logger.getLogger(ExternalWMSArtifact.class);
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27
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28
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29 @Override
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30 public String getName() {
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31 return NAME;
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32 }
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33
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34
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35 @Override
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36 public void setup(
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37 String identifier,
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38 ArtifactFactory factory,
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39 Object context,
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40 CallMeta callMeta,
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41 Document data)
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42 {
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43 logger.info("ExternalWMSArtifact.setup");
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44
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45 super.setup(identifier, factory, context, callMeta, data);
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46
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6717b4725ddf Take advantage of refactorisation.
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47 String ids = getDatacageIDValue(data);
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48
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49 if (ids != null && ids.length() > 0) {
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50 addStringData("ids", ids);
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51 }
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52 else {
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53 throw new IllegalArgumentException("No attribute 'ids' found!");
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54 }
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55
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56 List<Facet> fs = new ArrayList<Facet>();
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57
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58 WMSBackgroundState s = (WMSBackgroundState) getCurrentState(context);
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59 s.computeInit(this, hash(), context, callMeta, fs);
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60
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61 if (!fs.isEmpty()) {
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62 addFacets(getCurrentStateId(), fs);
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63 }
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64 }
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65
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66
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67 @Override
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68 protected void initialize(
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69 Artifact artifact,
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70 Object context,
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71 CallMeta callMeta)
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72 {
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73 // do nothing
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74 }
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75
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76
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77 @Override
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78 public State getCurrentState(Object cc) {
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79 State s = new ExternalWMSState(this);
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80
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81 List<Facet> fs = getFacets(getCurrentStateId());
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82
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83 DefaultOutput o = new DefaultOutput(
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84 "floodmap",
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85 "floodmap",
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86 "image/png",
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87 fs,
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88 "map");
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89
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90 s.getOutputs().add(o);
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91
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92 return s;
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93 }
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94
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95
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96 /**
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97 * Get a list containing the one and only State.
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98 * @param context ignored.
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99 * @return list with one and only state.
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100 */
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101 @Override
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102 protected List<State> getStates(Object context) {
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103 ArrayList<State> states = new ArrayList<State>();
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104 states.add(getCurrentState(context));
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105
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106 return states;
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107 }
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108
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109
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110 public static class ExternalWMSState extends WMSBackgroundState {
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111
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112 protected ExternalWMSArtifact artifact;
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113
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114 protected String ids;
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115
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116
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117 public ExternalWMSState(ExternalWMSArtifact artifact) {
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118 super();
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119 this.artifact = artifact;
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120 }
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121
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122 protected String getIds() {
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123 if (ids == null || ids.length() == 0) {
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124 ids = artifact.getDataAsString("ids");
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125 }
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126
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127 return ids;
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128 }
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129
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130 @Override
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131 protected String getFacetType() {
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132 return FLOODMAP_EXTERNAL_WMS;
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133 }
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134
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135 @Override
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136 protected String getSrid() {
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137 return "";
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138 }
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139
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140 @Override
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141 protected String getUrl() {
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142 String ids = getIds();
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143 String[] parts = ids.split(";");
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144
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145 return parts[0];
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146 }
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147
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148 @Override
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149 protected String getLayer() {
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150 String ids = getIds();
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151 String[] parts = ids.split(";");
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152
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153 return parts[1];
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154 }
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155
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156 @Override
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157 protected String getTitle(CallMeta meta) {
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158 String ids = getIds();
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159 String[] parts = ids.split(";");
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160
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161 return parts[2];
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162 }
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163 } // end of class ExternalWMSState
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164 }
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165 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org