Mercurial > mxd2map

annotate src/java/de/intevation/mxd/reader/GdbRasterCatalogLayerReader.java @ 120:11d63bf00326

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Changed exception handling and logging in writer classes.
author Raimund Renkert <rrenkert@intevation.de>
date Thu, 16 Jun 2011 14:49:45 +0200
parents 39957898c694
children a4ab239509f1
rev   line source
36
472aa36d0e01 Added a new layer reader and symbol reader.
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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.GdbRasterCatalogLayer;
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7
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8 import org.w3c.dom.Element;
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9 import java.io.IOException;
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10 import de.intevation.mxd.utils.MapToXMLUtils;
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11
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12 /**
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13 * Reads Layer information.
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14 *
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15 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
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16 */
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17 public class GdbRasterCatalogLayerReader
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18 implements ILayerReader {
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19
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20 /**
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21 * The logger.
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22 */
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23 private static final Logger logger =
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24 Logger.getLogger(GdbRasterCatalogLayerReader.class);
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25
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26 /**
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27 * Privte member.
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28 */
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29 private GdbRasterCatalogLayer layer;
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30 private MapToXMLUtils util;
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31
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32
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33 public GdbRasterCatalogLayerReader(ILayer layer)
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34 throws Exception {
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35 if(layer instanceof GdbRasterCatalogLayer) {
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36 this.layer = (GdbRasterCatalogLayer)layer;
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37 }
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38 else {
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39 throw new Exception("Not an instance of GdbRastaCatalogLayer: " +
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40 layer.getClass().toString());
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41 }
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42 }
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43
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44 /**
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45 * Setter for XML document helper.
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46 *
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47 * @param util The helper for storing map information.
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48 */
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49 public void setUtil(MapToXMLUtils util) {
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50 this.util = util;
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51 }
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52
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53 /**
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54 * Reads the Layer content.
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55 *
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56 * @return The layer XML element.
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57 */
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58 public Element read()
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59 throws IOException {
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60 logger.debug("read()");
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61
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62 Element layerElement;
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63 try {
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64 layerElement = util.addLayer();
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65 }
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66 catch(Exception e) {
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67 logger.error(
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68 "Could not create DOM element for layer." +
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69 "Stopped reading layer.");
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70 throw new IOException(
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71 this.getClass()+toString() +
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72 "Error creating dom element");
117
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73 }
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74
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75 try {
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76 layerElement.setAttribute("name", layer.getName());
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77 }
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78 catch(IOException ioe) {
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79 logger.warn(
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80 "Could not read layer name. " +
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81 "Setting layer name to \"default\".");
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82 layerElement.setAttribute("name", "default");
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83 }
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84
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85 try {
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86 layerElement.setAttribute("min_scale",
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87 String.valueOf(layer.getMinimumScale()));
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88 }
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89 catch(IOException ioe) {
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90 logger.warn(
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91 "Could not read minimum layer scale." +
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92 "Setting minimum layer scale to 1000");
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93 layerElement.setAttribute("min_scale", "1000");
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94 }
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95
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96 try {
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97 layerElement.setAttribute("max_scale",
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98 String.valueOf(layer.getMaximumScale()));
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99 }
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100 catch(IOException ioe) {
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101 logger.warn(
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102 "Could not read maximum layer scale." +
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103 "Setting maximum layer scale to 1000000");
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104 layerElement.setAttribute("max_scale", "1000000");
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105 }
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106
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107 try {
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108 if(layer.isVisible()) {
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109 layerElement.setAttribute("status", "on");
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110 }
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111 else {
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112 layerElement.setAttribute("status", "off");
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113 }
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114 }
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115 catch(IOException ioe) {
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116 logger.warn(
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117 "Could not read layer status." +
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118 " Setting layer status to \"on\"");
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119 layerElement.setAttribute("status", "on");
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120 }
117
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121
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122 try {
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123 layerElement.setAttribute("definition_query",
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124 layer.getDefinitionExpression());
36
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125 }
117
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126 catch(IOException ioe) {
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127 logger.warn(
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128 "Could not read layer definition query." +
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129 "Setting empty definition query.");
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130 layerElement.setAttribute("definition_query", "");
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131 }
36
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132 return layerElement;
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133 }
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134 }
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135 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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