Mercurial > mxd2map

annotate src/java/de/intevation/mxd/reader/LabelEngineReader.java @ 181:0bde090506f9

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Added comments.
author Raimund Renkert <rrenkert@intevation.de>
date Mon, 11 Jul 2011 14:28:38 +0200
parents f4eb506499f5
children df4e0946ef02
rev   line source
179
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raimund renkert <raimund.renkert@intevation.de>
parents:
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1 package de.intevation.mxd.reader;
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2
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3 import org.apache.log4j.Logger;
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4
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5 import com.esri.arcgis.carto.ILayer;
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6 import com.esri.arcgis.carto.FeatureLayer;
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7 import com.esri.arcgis.carto.AnnotateLayerPropertiesCollection;
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8 import com.esri.arcgis.carto.IAnnotateLayerProperties;
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9 import com.esri.arcgis.carto.LabelEngineLayerProperties;
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10 import com.esri.arcgis.geodatabase.FeatureClassName;
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11 import com.esri.arcgis.system.IName;
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12 import com.esri.arcgis.system.IPropertySet;
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13 import com.esri.arcgis.display.ITextSymbol;
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14 import com.esri.arcgis.display.TextSymbol;
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15
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16 import org.w3c.dom.Element;
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17
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18 import de.intevation.mxd.utils.MapToXMLUtils;
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19 import java.io.IOException;
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20 import com.esri.arcgis.interop.AutomationException;
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21 /**
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22 * Reads Label information.
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23 *
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24 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
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25 */
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26 public class LabelEngineReader {
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27
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28 /**
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29 * The logger.
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30 */
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31 private static final Logger logger =
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32 Logger.getLogger(LabelEngineReader.class);
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33
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34 /**
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35 * Privte member.
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36 */
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37 private LabelEngineLayerProperties properties;
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38 private MapToXMLUtils util;
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39 private Element parent;
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40
181
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41 /**
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42 * Constructor with annotation properties.
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43 *
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44 * @param prop The annotation properties object.
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45 */
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46 public LabelEngineReader(IAnnotateLayerProperties prop)
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47 throws Exception {
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48 if(prop instanceof LabelEngineLayerProperties) {
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49 this.properties = (LabelEngineLayerProperties)prop;
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50 }
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51 else {
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52 throw new Exception("Not an instance of" +
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53 " LaberEngineLayerProperties: " +
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54 prop.getClass().toString());
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55 }
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56 }
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57
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58 /**
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59 * Setter for XML document helper.
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60 *
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61 * @param util The helper for storing map information.
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62 */
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63 public void setUtil(MapToXMLUtils util) {
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64 this.util = util;
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65 }
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66
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67 /**
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68 * Setter for the parent DOM element.
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69 *
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70 * @param parent The parent DOM element.
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71 */
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72 public void setParent(Element parent) {
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73 this.parent = parent;
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74 }
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75
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76 /**
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77 * Reads the Label content.
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78 *
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79 * @return The label 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 Element labelElement;
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85 try {
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86 labelElement = util.addLabel(parent);
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87 }
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88 catch(Exception e) {
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89 logger.error("Failed to create DOM-Element for Label.");
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90 return null;
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91 }
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92
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93 try {
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94 labelElement.setAttribute(
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95 "expression",
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96 properties.getExpression());
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97 }
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98 catch(IOException ioe) {
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99 logger.warn("Could not read label expression.");
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100 return null;
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101 }
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102
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103 try {
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104 labelElement.setAttribute(
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105 "offset",
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106 String.valueOf(properties.getOffset()));
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107 }
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108 catch(IOException ioe) {
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109 logger.warn("Could not read label offset.");
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110 }
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111
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112 try {
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113 labelElement.setAttribute(
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114 "definition_query",
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115 properties.getWhereClause());
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116 }
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117 catch(IOException ioe) {
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118 logger.warn("Could not read label where clause.");
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119 }
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120
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121 try {
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122 labelElement.setAttribute(
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123 "max_scale",
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124 String.valueOf(properties.getAnnotationMaximumScale()));
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125 labelElement.setAttribute(
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126 "min_scale",
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127 String.valueOf(properties.getAnnotationMinimumScale()));
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128 }
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129 catch(IOException ioe) {
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130 logger.warn("Could not read label scale.");
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131 }
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132
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133 try {
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134 ITextSymbol sym = properties.getSymbol();
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135 if(sym instanceof TextSymbol) {
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136 TextSymbolReader tsr = new TextSymbolReader(sym);
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137 tsr.setParent(labelElement);
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138 tsr.setUtil(util);
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139 tsr.read();
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140 }
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141 }
179
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raimund renkert <raimund.renkert@intevation.de>
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142 catch(Exception e) {
180
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143 logger.warn("Could not read label text symbol.");
f4eb506499f5 Done some code styling and removed TODOs.
Raimund Renkert <rrenkert@intevation.de>
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144 }
f4eb506499f5 Done some code styling and removed TODOs.
Raimund Renkert <rrenkert@intevation.de>
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145
f4eb506499f5 Done some code styling and removed TODOs.
Raimund Renkert <rrenkert@intevation.de>
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146 return labelElement;
179
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raimund renkert <raimund.renkert@intevation.de>
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147 }
f3a91cd7440b Added a first version of feature labeling.
raimund renkert <raimund.renkert@intevation.de>
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148 }
f3a91cd7440b Added a first version of feature labeling.
raimund renkert <raimund.renkert@intevation.de>
parents:
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149 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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