Mercurial > mxd2map

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

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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 a46adb3697fa
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
33
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20 package de.intevation.mxd.reader;
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21
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22 import java.lang.Exception;
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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.IFeatureRenderer;
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27 import com.esri.arcgis.carto.ClassBreaksRenderer;
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28 import com.esri.arcgis.display.ISymbol;
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29
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30 import org.w3c.dom.Element;
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31
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32 import de.intevation.mxd.utils.MapToXMLUtils;
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33 import java.io.IOException;
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34
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35 /**
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36 * Reads the ClassBreaksRender Object Attributes.
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37 *
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38 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
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39 */
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40 public class ClassBreakRendererReader
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41 implements IRendererReader {
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42
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43 /**
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44 * The logger.
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45 */
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46 private static final Logger logger =
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47 Logger.getLogger(ClassBreakRendererReader.class);
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48
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49 /**
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50 * Private member.
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51 */
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52 private ClassBreaksRenderer renderer;
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53 private Element layer;
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54 private MapToXMLUtils util;
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55
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56 /**
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57 * Constructor with renderer.
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58 *
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59 * @param renderer The ArcGIS renderer.
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60 */
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61 public ClassBreakRendererReader(IFeatureRenderer renderer)
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62 throws Exception {
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63 logger.debug("contructor()");
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64 if(renderer instanceof ClassBreaksRenderer)
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65 this.renderer = (ClassBreaksRenderer)renderer;
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66 else
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67 throw new Exception("Not a ClassBreaksRenderer!");
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68 }
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69
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70 /**
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71 * Setter for the parent XML element.
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72 *
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73 * @param parent The XML parent node.
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74 */
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75 public void setParent(Element parent) {
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76 this.layer = parent;
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77 }
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78
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79 /**
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80 * Setter for XML document helper.
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81 *
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82 * @param util The helper class for storing map information.
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83 */
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84 public void setUtil(MapToXMLUtils util) {
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85 this.util = util;
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86 }
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87
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88 /**
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89 * Reads the Renderer attributes.
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90 *
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91 * @return The XML node.
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92 */
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93 public Element read() {
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94 logger.debug("read()");
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95
116
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96 int count = 0;
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97 try {
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98 count = renderer.getBreakCount();
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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 "No break symbols found in renderer." +
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103 " Stopped reading this renderer.");
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104 return layer;
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105 }
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106
116
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107 for(int i = 0; i < count; i++){
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108 Element rendererElement = util.addRenderer(layer);
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109 try {
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110 rendererElement.setAttribute("value",
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111 String.valueOf(renderer.getBreak(i)));
124
0f5819732288 Set label text as class name in mapfile.
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112 rendererElement.setAttribute("label", renderer.getLabel(i));
116
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113 rendererElement.setAttribute(
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114 "field_count",
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115 String.valueOf(renderer.getFieldCount()));
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116 for(int j = 0; j < renderer.getFieldCount(); j++) {
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117 rendererElement.setAttribute(
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118 "expression_field_" + j,
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119 renderer.getField(j));
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120
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121 }
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122 rendererElement.setAttribute(
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123 "min_value",
126
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124 String.valueOf(renderer.getLowBreak(i)));
116
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125 rendererElement.setAttribute("expression_operator", "<=");
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126
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127 ISymbol sym = renderer.getSymbol(i);
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128 MarkerSymbolReader markerReader = new MarkerSymbolReader();
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129 LineSymbolReader lineReader = new LineSymbolReader();
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130 FillSymbolReader fillReader = new FillSymbolReader();
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131 if(markerReader.canRead(sym)) {
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132 markerReader.setSymbol(sym);
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133 markerReader.setUtil(util);
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134 markerReader.setParent(rendererElement);
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135 markerReader.read();
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136 }
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137 else if(lineReader.canRead(sym)) {
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138 lineReader.setSymbol(sym);
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139 lineReader.setUtil(util);
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140 lineReader.setParent(rendererElement);
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141 lineReader.read();
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142 }
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143 else if(fillReader.canRead(sym)) {
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144 fillReader.setSymbol(sym);
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145 fillReader.setUtil(util);
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146 fillReader.setParent(rendererElement);
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147 fillReader.read();
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148 }
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149 else {
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150 logger.debug("Not a known symbol type: " +
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151 sym.getClass().toString());
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152 }
74
7eba97e8201b Catch all exceptions in the MXDReader.
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153 }
116
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154 catch(Exception e) {
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155 logger.error(
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156 "Could not read data for " + i +
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157 ". break of renderer. Stopped reading this renderer.");
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158 return layer;
44
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159 }
31
40c0b4e5f91a Added utility class to store map attributes.
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160 }
44
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161 return layer;
25
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162 }
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163 }
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164 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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