annotate src/java/de/intevation/mxd/reader/GdbRasterCatalogLayerReader.java @ 247:30e10eb9ac68

Print out a message if an empty layer is not written to the mapfile.
author raimund renkert <raimund.renkert@intevation.de>
date Wed, 10 Aug 2011 13:23:29 +0200
parents df4e0946ef02
children eae3fe89e669
rev   line source
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1 /*
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2 * Copyright (c) 2011 by Intevation GmbH, Germany <info@intevation.de>
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3 *
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4 * This file is part of MXD2map.
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5 *
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6 * This program is free software under the LGPL (>=v2.1)
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7 * Read the file LICENCE.txt coming with the software for details
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8 * or visit http://www.gnu.org/licenses/ if it does not exist.
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9 *
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10 * MXD2map has been developed on behalf of the
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11 * Bundesamt fuer Seeschifffahrt und Hydrographie (BSH) in Hamburg
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12 * by Intevation GmbH.
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13 *
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14 * Authors:
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15 * Raimund Renkert <raimund.renkert@intevation.de>
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16 * Bjoern Schilberg <bjoern.schilberg@intevation.de>
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17 * Stephan Holl <stephan.holl@intevation.de>
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18 */
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19
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20 package de.intevation.mxd.reader;
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21
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22 import org.apache.log4j.Logger;
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23
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24 import com.esri.arcgis.carto.ILayer;
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25 import com.esri.arcgis.carto.GdbRasterCatalogLayer;
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26
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27 import org.w3c.dom.Element;
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28 import java.io.IOException;
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29 import de.intevation.mxd.utils.MapToXMLUtils;
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30
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31 /**
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32 * Reads Layer information.
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33 *
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34 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
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35 */
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36 public class GdbRasterCatalogLayerReader
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37 implements ILayerReader {
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38
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39 /**
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40 * The logger.
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41 */
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42 private static final Logger logger =
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43 Logger.getLogger(GdbRasterCatalogLayerReader.class);
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44
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45 /**
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46 * Privte member.
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47 */
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48 private GdbRasterCatalogLayer layer;
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49 private MapToXMLUtils util;
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50
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51 /**
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52 * Constructor with layer.
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53 *
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54 * @param layer The ArcGIS layer object.
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55 */
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56 public GdbRasterCatalogLayerReader(ILayer layer)
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57 throws Exception {
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58 if(layer instanceof GdbRasterCatalogLayer) {
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59 this.layer = (GdbRasterCatalogLayer)layer;
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60 }
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61 else {
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62 throw new Exception("Not an instance of GdbRastaCatalogLayer: " +
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63 layer.getClass().toString());
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64 }
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65 }
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66
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67 /**
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68 * Setter for XML document helper.
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69 *
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70 * @param util The helper for storing map information.
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71 */
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72 public void setUtil(MapToXMLUtils util) {
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73 this.util = util;
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74 }
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75
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76 /**
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77 * Reads the Layer content.
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78 *
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79 * @return The layer XML element.
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80 */
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81 public Element read()
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82 throws IOException {
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83 logger.debug("read()");
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84
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85 Element layerElement;
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86 try {
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87 layerElement = util.addLayer();
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88 }
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89 catch(Exception e) {
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90 logger.error(
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91 "Could not create DOM element for layer." +
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92 "Stopped reading layer.");
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93 throw new IOException(
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94 this.getClass().toString() +
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95 "Error creating dom element");
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96 }
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97
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98 try {
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99 layerElement.setAttribute("name", layer.getName());
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100 }
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101 catch(IOException ioe) {
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102 logger.warn("Could not read layer name. Stopped reading layer.");
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103 throw new IOException("Error reading layer name.");
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104 }
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105
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106 try {
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107 layerElement.setAttribute("min_scale",
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108 String.valueOf(layer.getMinimumScale()));
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109 }
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110 catch(IOException ioe) {
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111 logger.warn("Could not read minimum layer scale.");
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112 }
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113
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114 try {
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115 layerElement.setAttribute("max_scale",
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116 String.valueOf(layer.getMaximumScale()));
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117 }
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118 catch(IOException ioe) {
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119 logger.warn("Could not read maximum layer scale.");
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120 }
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121
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122 try {
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123 if(layer.isVisible()) {
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124 layerElement.setAttribute("status", "on");
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125 }
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126 else {
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127 layerElement.setAttribute("status", "off");
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128 }
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129 }
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130 catch(IOException ioe) {
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131 logger.warn(
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132 "Could not read layer status." +
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133 " Setting layer status to \"on\"");
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134 layerElement.setAttribute("status", "on");
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135 }
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136
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137 try {
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138 layerElement.setAttribute("definition_query",
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139 layer.getDefinitionExpression());
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140 }
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141 catch(IOException ioe) {
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142 logger.warn(
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143 "Could not read layer definition query.");
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6c3d880db7c5 Improved exception handling for layer reader.
Raimund Renkert <rrenkert@intevation.de>
parents: 83
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144 }
36
472aa36d0e01 Added a new layer reader and symbol reader.
Raimund Renkert <rrenkert@intevation.de>
parents:
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145 return layerElement;
472aa36d0e01 Added a new layer reader and symbol reader.
Raimund Renkert <rrenkert@intevation.de>
parents:
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146 }
472aa36d0e01 Added a new layer reader and symbol reader.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
147 }
472aa36d0e01 Added a new layer reader and symbol reader.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
148 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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