Mercurial > mxd2map > mxd2map

annotate src/java/de/intevation/mxd/reader/HashLineSymbolReader.java @ 115:fb93f20478cc

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Improved exception handling for symbol reader.
author Raimund Renkert <rrenkert@intevation.de>
date Wed, 15 Jun 2011 16:48:42 +0200
parents 18e4f143896b
children a4ab239509f1
rev   line source
66
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1 package de.intevation.mxd.reader;
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2
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3 import java.awt.Color;
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4
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5 import org.apache.log4j.Logger;
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6
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7 import com.esri.arcgis.display.ISymbol;
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5ed9e720b6cd Read the hash symbol in the hash line symbol reader.
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8 import com.esri.arcgis.display.ILineSymbol;
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9 import com.esri.arcgis.display.HashLineSymbol;
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10 import com.esri.arcgis.display.IRgbColor;
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11 import com.esri.arcgis.display.RgbColor;
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12
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13 import com.esri.arcgis.display.esriLineCapStyle;
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14 import com.esri.arcgis.display.esriLineJoinStyle;
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15
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16 import org.w3c.dom.Element;
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17 import java.io.IOException;
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18
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19 /**
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20 * Reads cartoline symbol information.
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21 *
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22 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
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23 */
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83932f18dddc All symbol reader now extend the abstract symbol reader.
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24 public class HashLineSymbolReader
83932f18dddc All symbol reader now extend the abstract symbol reader.
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25 extends AbstractSymbolReader {
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26
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27 /**
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28 * The logger.
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29 */
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30 private static final Logger logger =
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31 Logger.getLogger(HashLineSymbolReader.class);
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32
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33 /**
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34 * Private member.
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35 */
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36 private HashLineSymbol symbol;
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37
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38 public HashLineSymbolReader(ISymbol symbol)
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39 throws Exception {
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40 logger.debug("contructor()");
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41 if(symbol instanceof HashLineSymbol) {
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42 this.symbol = (HashLineSymbol)symbol;
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43 }
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44 else {
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45 throw new Exception("Not a HashLineSymbol!");
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46 }
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47 }
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48
67
5ed9e720b6cd Read the hash symbol in the hash line symbol reader.
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49 public HashLineSymbolReader(ILineSymbol symbol)
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50 throws Exception {
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51 logger.debug("contructor()");
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52 if(symbol instanceof HashLineSymbol) {
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53 this.symbol = (HashLineSymbol)symbol;
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54 }
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55 else {
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56 throw new Exception("Not a HashLineSymbol!");
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57 }
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58 }
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59
66
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60 /**
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61 * Reads the symbol attributes.
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62 *
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63 * @return The XML node.
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64 */
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65 public Element read() {
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66 logger.debug("read()");
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83932f18dddc All symbol reader now extend the abstract symbol reader.
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67 Element symbolElement = util.addSymbol(parent);
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68
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69 try {
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70 symbolElement.setAttribute("name", symbol.getNameString());
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71 }
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72 catch(IOException ioe) {
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73 logger.warn("Could not read name. Setting name to \"default\".");
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74 symbolElement.setAttribute("name", "default");
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75 }
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76
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77 try {
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78 if(symbol.getColor() instanceof IRgbColor) {
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79 IRgbColor color = (IRgbColor)symbol.getColor();
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80 Color c = new Color (
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81 color.getRed(),
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82 color.getGreen(),
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83 color.getBlue());
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84 symbolElement.setAttribute("color", String.valueOf(c.getRGB()));
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85 }
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86 else {
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87 RgbColor col = new RgbColor();
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88 col.setRGB(symbol.getColor().getRGB());
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89 Color c = new Color (
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90 col.getRed(),
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91 col.getGreen(),
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92 col.getBlue());
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93 symbolElement.setAttribute("color", String.valueOf(c.getRGB()));
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94 }
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95 }
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96 catch(IOException ioe) {
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97 logger.warn(
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98 "Could not read color." +
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99 " Setting color to black with no transparency.");
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100 Color black = new Color(0, 0, 0);
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101 symbolElement.setAttribute("color", String.valueOf(black.getRGB()));
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102 symbolElement.setAttribute("transparency", "-1");
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103 }
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104 int cap;
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105 try {
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106 cap = symbol.getCap();
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107 }
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108 catch(IOException ioe) {
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109 logger.warn("Could not read line cap. Setting line cap to \"butt\"");
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110 cap = -1;
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111 }
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112 String capStyle = "butt";
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113 switch(cap) {
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114 case esriLineCapStyle.esriLCSRound: capStyle = "round"; break;
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115 case esriLineCapStyle.esriLCSSquare: capStyle = "square"; break;
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116 default: break;
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117 }
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118
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119 int join;
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120 try {
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121 join = symbol.getJoin();
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122 }
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123 catch(IOException ioe) {
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124 logger.warn(
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125 "Could not read line join." +
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126 " Setting line join to \"bevel\".");
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127 join = -1;
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128 }
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129 String joinStyle = "bevel";
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130 switch(join) {
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131 case esriLineJoinStyle.esriLJSRound: joinStyle = "round"; break;
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132 case esriLineJoinStyle.esriLJSMitre: joinStyle = "miter"; break;
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133 default: break;
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134 }
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135 symbolElement.setAttribute("cap", capStyle);
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136 symbolElement.setAttribute("join", joinStyle);
115
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137 try {
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138 symbolElement.setAttribute(
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139 "linestart",
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140 String.valueOf(symbol.getLineStartOffset()));
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141 }
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142 catch(IOException ioe) {
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143 logger.warn(
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144 "Could not read line start offset." +
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145 " Setting line start offset to 0.");
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146 symbolElement.setAttribute("linestart", "0");
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147 }
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148
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149 try {
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150 symbolElement.setAttribute(
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151 "miterlimit",
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152 String.valueOf(symbol.getMiterLimit()));
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153 }
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154 catch(IOException ioe) {
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155 logger.warn(
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156 "Could not read miter limit." +
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157 " Setting miter limit to 0.");
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158 symbolElement.setAttribute("miterlimit", "0");
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159 }
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160
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161 try {
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162 symbolElement.setAttribute(
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163 "offset",
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164 String.valueOf(symbol.getOffset()));
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165 }
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166 catch(IOException ioe) {
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167 logger.warn("Could not read offset. Setting offset to 0.");
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168 symbolElement.setAttribute("offset", "0");
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169 }
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170
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171 try {
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172 symbolElement.setAttribute(
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173 "width",
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174 String.valueOf(symbol.getWidth()));
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175 }
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176 catch(IOException ioe) {
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177 logger.warn("Could not read width. Setting width to 1.");
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178 symbolElement.setAttribute("width", "1");
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179 }
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180
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181 try {
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182 ILineSymbol ls = symbol.getHashSymbol();
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183 readHashSymbol(ls, symbolElement);
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184 }
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185 catch(Exception e) {
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186 logger.warn(
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187 "Could not read HashSymbol." +
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188 " No fallback symbol defined.");
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189 }
66
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190
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191 //TODO Read further HashLine specific attributes:
67
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192 // LineDecoration, Template.
115
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193 symbolElement.setAttribute("type", "line");
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194 symbolElement.setAttribute("style", "hash");
66
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195
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196 return symbolElement;
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197 }
67
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198
82
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199 private void readHashSymbol(ILineSymbol ls, Element parent)
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200 throws Exception {
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201 LineSymbolReader lsr = new LineSymbolReader ();
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202 if (lsr.canRead(ls)) {
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203 lsr.setSymbol(ls);
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204 lsr.setParent(parent);
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205 lsr.setUtil(util);
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206 lsr.read();
67
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207 }
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208 }
66
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209 }
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210 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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