Mercurial > mxd2map

annotate src/java/de/intevation/mxd/reader/WMSLayerReader.java @ 308:1c949a309940

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Wirte offsite values for raster layers
author Andre Heinecke <aheinecke@intevation.de>
date Thu, 06 Sep 2012 18:59:35 +0200
parents 2cb2d8eb56ed
children 5e3a40a84539
rev   line source
301
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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 java.io.IOException;
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23
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24 import org.apache.log4j.Logger;
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25
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26 import com.esri.arcgis.carto.ILayer;
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27 import com.esri.arcgis.carto.IFeatureRenderer;
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28 import com.esri.arcgis.carto.WMSMapLayer;
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29 import com.esri.arcgis.carto.WMSGroupLayer;
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30 import com.esri.arcgis.carto.WMSLayer;
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31 import com.esri.arcgis.gisclient.IWMSServiceDescription;
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32 import com.esri.arcgis.gisclient.IWMSLayerDescription;
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33 import com.esri.arcgis.geometry.Envelope;
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34
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35 import org.w3c.dom.Element;
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36
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37 import de.intevation.mxd.utils.MapToXMLUtils;
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38
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39
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40 /**
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41 * Reads Layer information.
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42 *
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43 * @author <a href="mailto:aheinecke@intevation.de">Andre Heinecke</a>
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44 */
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45 public class WMSLayerReader {
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46
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47 /**
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48 * The logger.
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49 */
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50 private static final Logger logger =
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51 Logger.getLogger(FeatureLayerReader.class);
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52
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53 /**
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54 * Privte member.
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55 */
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56 private WMSLayer layer;
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57 private MapToXMLUtils util;
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58 private int invalidLayerCount;
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59
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60 /**
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61 * Constructor with layer.
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62 *
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63 * @param layer The ArcGIS layer object.
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64 */
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65 public WMSLayerReader(ILayer layer)
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66 throws Exception {
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67 if(layer instanceof WMSLayer) {
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68 this.layer = (WMSLayer)layer;
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69 invalidLayerCount = 0;
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70 }
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71 else {
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72 throw new Exception("Not an instance of WMSLayer: " +
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73 layer.getClass().toString());
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74 }
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75 }
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76
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77 /**
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78 * Setter for XML document helper.
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79 *
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80 * @param util The helper for storing map information.
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81 */
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82 public void setUtil(MapToXMLUtils util) {
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83 this.util = util;
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84 }
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85
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86 /**
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87 * Reads the Layer content.
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88 *
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89 * @return The layer XML element.
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90 */
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91 public Element read()
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92 throws IOException{
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93 logger.debug("read()");
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94 Element layerElement = null;
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95 try {
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96 layerElement = util.addLayer();
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97 }
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98 catch(Exception e) {
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99 logger.error("Failed to create DOM-Element for Layer.");
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100 return null;
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101 }
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102 try {
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103 layerElement.setAttribute("name", layer.getName());
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104 }
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105 catch(IOException ioe) {
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106 logger.warn(
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107 "Could not read layer name." +
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108 " Stopped reading layer.");
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109 throw new IOException("Error reading layer name.");
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110 }
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111
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112 try {
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113 layerElement.setAttribute("min_scale",
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114 String.valueOf(layer.getMinimumScale()));
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115 }
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116 catch(IOException ioe) {
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117 logger.warn("Could not read minimum scale.");
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118 }
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119
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120 try {
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121 layerElement.setAttribute("max_scale",
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122 String.valueOf(layer.getMaximumScale()));
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123 }
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124 catch(IOException ioe) {
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125 logger.warn(
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126 "Could not read maximum scale.");
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127 }
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128
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129 try {
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130 if(layer.isVisible()) {
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131 layerElement.setAttribute("status", "on");
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132 }
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133 else {
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134 layerElement.setAttribute("status", "off");
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135 }
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136 }
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137 catch(IOException ioe) {
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138 logger.warn(
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139 "Could not read layer status." +
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140 " Setting layer status to \"on\".");
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141 layerElement.setAttribute("status", "on");
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142 }
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143
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144 layerElement.setAttribute("connection_type", "WMS");
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145
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146 try{
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147 // Set the WMS Connection parameters
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148 IWMSServiceDescription wmsconn = layer.getWMSServiceDescription();
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149
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150 String connectionURL = wmsconn.getBaseURL("GetMap", "Get");
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151 if (!connectionURL.endsWith("?")) {
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152 connectionURL += "?";
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153 }
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154 layerElement.setAttribute("connection", connectionURL);
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155 logger.debug(connectionURL);
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156 layerElement.setAttribute("imageType", wmsconn.getImageFormat(0));
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157 logger.debug(wmsconn.getImageFormat(0));
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158 if (wmsconn.getSRSCount() > 0) {
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159 layerElement.setAttribute("projection", wmsconn.getSRS(0));
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160 logger.debug(wmsconn.getSRS(0));
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161 }
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162 layerElement.setAttribute("wms_server_version", wmsconn.getWMSVersion());
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163 logger.debug(wmsconn.getWMSVersion());
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164 }
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165 catch(Exception e) {
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166 logger.debug(e);
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167 logger.error("Error Setting Connection parameters. " + layer.getName());
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168 }
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169
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170 try{
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171 // Set the WMS Layer parameters
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172 IWMSLayerDescription wmslayer = layer.getWMSLayerDescription();
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173 layerElement.setAttribute("wms_name", wmslayer.getName());
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174 }
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175 catch(Exception e) {
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176 logger.debug(e);
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177 logger.error("Error Setting Layer parameters. " + layer.getName());
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178 }
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179 return layerElement;
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180 }
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181 }
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182 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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