annotate src/java/de/intevation/mxd/reader/FeatureLayerReader.java @ 149:07e2033dd60e

Merged with Stephans commit.
author Raimund Renkert <rrenkert@intevation.de>
date Wed, 29 Jun 2011 17:59:52 +0200
parents a4ab239509f1
children f3a91cd7440b
rev   line source
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1 package de.intevation.mxd.reader;
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2
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3 import org.apache.log4j.Logger;
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4
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5 import com.esri.arcgis.carto.ILayer;
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6 import com.esri.arcgis.carto.FeatureLayer;
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7 import com.esri.arcgis.geodatabase.FeatureClassName;
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8 import com.esri.arcgis.system.IName;
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9 import com.esri.arcgis.system.IPropertySet;
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10 import org.w3c.dom.Element;
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11
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12 import de.intevation.mxd.utils.MapToXMLUtils;
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13 import java.io.IOException;
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14 import com.esri.arcgis.interop.AutomationException;
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15 /**
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16 * Reads Layer information.
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17 *
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18 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
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19 */
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20 public class FeatureLayerReader
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21 implements ILayerReader {
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22
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23 /**
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24 * The logger.
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25 */
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26 private static final Logger logger =
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27 Logger.getLogger(FeatureLayerReader.class);
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28
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29 /**
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30 * Privte member.
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31 */
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32 private FeatureLayer layer;
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33 private MapToXMLUtils util;
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34
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35
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36 public FeatureLayerReader(ILayer layer)
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37 throws Exception {
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38 if(layer instanceof FeatureLayer) {
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39 this.layer = (FeatureLayer)layer;
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40 }
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41 else {
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42 throw new Exception("Not an instance of FeatureLayer: " +
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43 layer.getClass().toString());
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44 }
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45 }
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46
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47 /**
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48 * Setter for XML document helper.
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49 *
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50 * @param util The helper for storing map information.
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51 */
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52 public void setUtil(MapToXMLUtils util) {
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53 this.util = util;
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54 }
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55
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56 /**
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57 * Reads the Layer content.
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58 *
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59 * @return The layer XML element.
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60 */
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61 public Element read()
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62 throws IOException{
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63 logger.debug("read()");
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64 Element layerElement;
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65 try {
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66 layerElement = util.addLayer();
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67 }
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68 catch(Exception e) {
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69 logger.error("Failed to create DOM-Element for Layer.");
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70 return null;
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71 }
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72
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73 try {
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74 layerElement.setAttribute("name", layer.getName());
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75 }
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76 catch(IOException ioe) {
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77 logger.warn(
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78 "Could not read layer name." +
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79 " Stopped reading layer.");
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80 throw new IOException("Error reading layer name.");
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81 }
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82
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83 try {
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84 layerElement.setAttribute("min_scale",
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85 String.valueOf(layer.getMinimumScale()));
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86 }
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87 catch(IOException ioe) {
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88 logger.warn("Could not read minimum scale.");
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89 }
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90
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91 try {
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92 layerElement.setAttribute("max_scale",
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93 String.valueOf(layer.getMaximumScale()));
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94 }
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95 catch(IOException ioe) {
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96 logger.warn(
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97 "Could not read maximum scale.");
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98 }
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99
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100 try {
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101 if(layer.isVisible()) {
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102 layerElement.setAttribute("status", "on");
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103 }
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104 else {
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105 layerElement.setAttribute("status", "off");
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106 }
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107 }
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108 catch(IOException ioe) {
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109 logger.warn(
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110 "Could not read layer status." +
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111 " Setting layer status to \"on\".");
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112 layerElement.setAttribute("status", "on");
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113 }
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114
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115 int type = 0;
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116 try {
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117 type = layer.getShapeType();
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118 }
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119 catch(IOException ioe) {
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120 logger.warn("Could not read shape type.");
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121 throw new IOException("Error reading shape type.");
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122 }
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123 switch (type) {
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124 case 0: layerElement.setAttribute("type", "none"); break;
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125 case 1: layerElement.setAttribute("type", "point"); break;
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126 case 3: layerElement.setAttribute("type", "line"); break;
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127 case 4: layerElement.setAttribute("type", "polygon"); break;
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128 }
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129
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130 try {
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131 layerElement.setAttribute("definition_query",
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132 layer.getDefinitionExpression());
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133 }
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134 catch(IOException ioe) {
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135 logger.warn(
135
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136 "Could not read definition query.");
117
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137 }
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138 try {
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139 IName fcn = layer.getDataSourceName();
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140 if(fcn instanceof FeatureClassName) {
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141 FeatureClassName name = (FeatureClassName)fcn;
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142 layerElement.setAttribute("data_source", name.getName());
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143 }
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144 else {
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145 logger.debug (
6c3d880db7c5 Improved exception handling for layer reader.
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146 "Unknown FeatureClass name:" +
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147 fcn.getClass().toString());
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148 }
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149 }
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150 catch(IOException ioe) {
133
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151 logger.warn(
6b80d2c7536e Improved broken layer handling.
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152 "Could not read datasource." +
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153 " Stopped reading layer " + layer.getName() + ".");
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154 util.removeLayer(layerElement);
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155 return null;
100
bab3946a8bdc Read the connection settings for file geodatabase.
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156 }
31
40c0b4e5f91a Added utility class to store map attributes.
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157
117
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158 try {
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159 String datatype = layer.getDataSourceType();
133
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160 if(layer.getWorkspace().getType() == 0) {
117
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161 layerElement.setAttribute("connection_type", "local");
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162 layerElement.setAttribute(
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163 "workspace",
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164 layer.getWorkspace().getPathName());
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165 }
133
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166 else if(layer.getWorkspace().getType() == 1){
117
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167 layerElement.setAttribute("connection_type", "ogr");
133
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168 layerElement.setAttribute(
6b80d2c7536e Improved broken layer handling.
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169 "data",
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170 layer.getFeatureClass().getFeatureDataset().getName());
117
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171 layerElement.setAttribute(
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172 "workspace",
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173 layer.getWorkspace().getPathName());
100
bab3946a8bdc Read the connection settings for file geodatabase.
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174
117
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175 }
133
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176 else if(layer.getWorkspace().getType() == 2) {
117
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177 IPropertySet set = layer.getWorkspace().getConnectionProperties();
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178 Object names[] = new Object[set.getCount()];
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179 Object prop[] = new Object[set.getCount()];
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180 set.getAllProperties(names, prop);
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181 layerElement.setAttribute("connection_type", "SDE");
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diff changeset
182 for(int i = 0; i < names.length; i++) {
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diff changeset
183 if(names[i] != null) {
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184 String[] prop_names = (String[])names[i];
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185 for(int j = 0; j < prop_names.length; j++) {
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186 layerElement.setAttribute(
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187 prop_names[j].toLowerCase(),
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188 set.getProperty(prop_names[j]).toString());
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189 }
113
0db6eacad0e6 Read SDE connection settings.
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diff changeset
190 }
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diff changeset
191 }
133
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diff changeset
192 try {
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193 layerElement.setAttribute(
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194 "join_table",
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195 layer.getRelationshipClass()
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196 .getOriginClass().getAliasName());
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diff changeset
197 layerElement.setAttribute(
6b80d2c7536e Improved broken layer handling.
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198 "join_field",
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diff changeset
199 layer.getRelationshipClass().getOriginPrimaryKey());
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diff changeset
200 layerElement.setAttribute(
6b80d2c7536e Improved broken layer handling.
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diff changeset
201 "join_table_target",
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diff changeset
202 layer.getRelationshipClass()
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diff changeset
203 .getDestinationClass().getAliasName());
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diff changeset
204 layerElement.setAttribute(
6b80d2c7536e Improved broken layer handling.
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diff changeset
205 "join_field_target",
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diff changeset
206 layer.getRelationshipClass().getOriginForeignKey());
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diff changeset
207 }
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diff changeset
208 catch(AutomationException ioe) {
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diff changeset
209 //Do nothing, cause no jointable defined.
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diff changeset
210 }
6b80d2c7536e Improved broken layer handling.
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diff changeset
211 catch(IOException ae) {
6b80d2c7536e Improved broken layer handling.
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diff changeset
212 //Do nothing, cause no jointable defined.
6b80d2c7536e Improved broken layer handling.
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diff changeset
213 }
6b80d2c7536e Improved broken layer handling.
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diff changeset
214 catch(NullPointerException npe) {
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diff changeset
215 //Do nothing, cause no jointable defined.
6b80d2c7536e Improved broken layer handling.
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diff changeset
216 }
113
0db6eacad0e6 Read SDE connection settings.
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diff changeset
217 }
100
bab3946a8bdc Read the connection settings for file geodatabase.
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diff changeset
218 }
117
6c3d880db7c5 Improved exception handling for layer reader.
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diff changeset
219 catch(Exception e) {
6c3d880db7c5 Improved exception handling for layer reader.
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diff changeset
220 logger.error(
6c3d880db7c5 Improved exception handling for layer reader.
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parents: 113
diff changeset
221 "Could not read layer datasource." +
133
6b80d2c7536e Improved broken layer handling.
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diff changeset
222 " Stopped reading layer " + layer.getName() + ".");
6b80d2c7536e Improved broken layer handling.
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diff changeset
223 util.removeLayer(layerElement);
135
a4ab239509f1 Updated the default values and reader error handling.
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diff changeset
224 return null;
117
6c3d880db7c5 Improved exception handling for layer reader.
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parents: 113
diff changeset
225 }
31
40c0b4e5f91a Added utility class to store map attributes.
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parents: 29
diff changeset
226 return layerElement;
25
cbd67b1100d8 Initial commit of the first prototype.
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parents:
diff changeset
227 }
cbd67b1100d8 Initial commit of the first prototype.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
228 }
cbd67b1100d8 Initial commit of the first prototype.
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parents:
diff changeset
229 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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