Mercurial > mxd2map

annotate src/java/de/intevation/mxd/reader/GroupLayerReader.java @ 310:be441fa4bed0

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Throw an exception in case reading Raster layer fails
author Andre Heinecke <aheinecke@intevation.de>
date Fri, 14 Sep 2012 11:50:40 +0200
parents 2cb2f26d0d54
children
rev   line source
243
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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.FeatureLayer;
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28 import com.esri.arcgis.carto.GdbRasterCatalogLayer;
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29 import com.esri.arcgis.carto.IFeatureRenderer;
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30 import com.esri.arcgis.carto.SimpleRenderer;
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31 import com.esri.arcgis.carto.ClassBreaksRenderer;
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32 import com.esri.arcgis.carto.UniqueValueRenderer;
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33 import com.esri.arcgis.carto.GroupLayer;
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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:raimund.renkert@intevation.de">Raimund Renkert</a>
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44 */
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45 public class GroupLayerReader {
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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 GroupLayer 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 GroupLayerReader(ILayer layer)
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66 throws Exception {
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67 if(layer instanceof GroupLayer) {
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68 this.layer = (GroupLayer)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 GroupLayer: " +
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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(String group)
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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 for(int i = 0; i < layer.getCount();i++) {
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96 ILayer lay = layer.getLayer(i);
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97 try {
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98 if (lay instanceof FeatureLayer) {
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99 FeatureLayerReader lr = new FeatureLayerReader(lay);
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100 lr.setUtil(util);
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101 layerElement = lr.read();
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102 if (layerElement == null) {
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103 continue;
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104 }
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105 layerElement.setAttribute("group", group + "/" + layer.getName());
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106 IFeatureRenderer renderer =
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107 ((FeatureLayer)lay).getRenderer();
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108 IRendererReader rreader;
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109 if(renderer instanceof SimpleRenderer) {
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110 rreader = new SimpleRendererReader(renderer);
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111 rreader.setParent(layerElement);
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112 rreader.setUtil(util);
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113 rreader.read();
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114 }
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115 else if(renderer instanceof ClassBreaksRenderer) {
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116 rreader = new ClassBreakRendererReader(renderer);
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117 rreader.setParent(layerElement);
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118 rreader.setUtil(util);
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119 rreader.read();
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120 }
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121 else if(renderer instanceof UniqueValueRenderer) {
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122 rreader = new UniqueValueRendererReader(renderer);
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123 rreader.setParent(layerElement);
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124 rreader.setUtil(util);
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125 rreader.read();
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126 }
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127 else{
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128 logger.debug("Not a known renderer type " +
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129 renderer.getClass().toString());
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130 }
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131 }
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132 else if(lay instanceof GdbRasterCatalogLayer) {
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133 GdbRasterCatalogLayerReader gclr =
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134 new GdbRasterCatalogLayerReader(lay);
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135 gclr.setUtil(util);
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136 layerElement = gclr.read();
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137 layerElement.setAttribute("group", layer.getName());
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138 IFeatureRenderer renderer =
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139 ((GdbRasterCatalogLayer)lay).getRenderer();
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140 IRendererReader rreader;
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141 if(renderer instanceof SimpleRenderer) {
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142 rreader = new SimpleRendererReader(renderer);
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143 rreader.setParent(layerElement);
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144 rreader.setUtil(util);
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145 rreader.read();
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146 }
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147 else if(renderer instanceof ClassBreaksRenderer) {
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148 rreader = new ClassBreakRendererReader(renderer);
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149 rreader.setParent(layerElement);
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150 rreader.setUtil(util);
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151 rreader.read();
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152 }
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153 else if(renderer instanceof UniqueValueRenderer) {
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154 rreader = new UniqueValueRendererReader(renderer);
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155 rreader.setParent(layerElement);
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156 rreader.setUtil(util);
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157 rreader.read();
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158 }
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159 else {
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160 logger.debug("Not a known renderer type " +
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161 renderer.getClass().toString());
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162 }
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163 }
244
276f63c86f1c Refactored group layer handling and "wms_title" metadata.
raimund renkert <raimund.renkert@intevation.de>
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164 else if(lay instanceof GroupLayer) {
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165 GroupLayerReader glr = new GroupLayerReader (lay);
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166 glr.setUtil(this.util);
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167 layerElement = glr.read("/" + layer.getName());
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168 }
180
f4eb506499f5 Done some code styling and removed TODOs.
Raimund Renkert <rrenkert@intevation.de>
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169 }
f4eb506499f5 Done some code styling and removed TODOs.
Raimund Renkert <rrenkert@intevation.de>
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170 catch(Exception e) {
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171 invalidLayerCount++;
148
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172 if(i == 0 && (i + 1) == layer.getCount() ||
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173 invalidLayerCount == layer.getCount()) {
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174 throw new IOException(
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175 "No valid layer in MXD file." +
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vc11884admin@VC11884.win.bsh.de
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176 " Aborting.");
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177 }
180
f4eb506499f5 Done some code styling and removed TODOs.
Raimund Renkert <rrenkert@intevation.de>
parents: 148
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178 }
f4eb506499f5 Done some code styling and removed TODOs.
Raimund Renkert <rrenkert@intevation.de>
parents: 148
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179 }
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Raimund Renkert <rrenkert@intevation.de>
parents: 148
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180 return layerElement;
148
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181 }
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182 }
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183 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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