root / trunk / extensions / extAddEventTheme / src / com / iver / gvsig / addeventtheme / AddEventThemeDriver.java @ 3525
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1 | 3525 | caballero | /*
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2 | * Created on 10-nov-2005
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3 | *
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4 | * gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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5 | *
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6 | * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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7 | *
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8 | * This program is free software; you can redistribute it and/or
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9 | * modify it under the terms of the GNU General Public License
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10 | * as published by the Free Software Foundation; either version 2
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11 | * of the License, or (at your option) any later version.
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12 | *
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13 | * This program is distributed in the hope that it will be useful,
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14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 | * GNU General Public License for more details.
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17 | *
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18 | * You should have received a copy of the GNU General Public License
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19 | * along with this program; if not, write to the Free Software
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20 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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21 | *
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22 | * For more information, contact:
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23 | *
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24 | * Generalitat Valenciana
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25 | * Conselleria d'Infraestructures i Transport
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26 | * Av. Blasco Ib??ez, 50
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27 | * 46010 VALENCIA
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28 | * SPAIN
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29 | *
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30 | * +34 963862235
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31 | * gvsig@gva.es
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32 | * www.gvsig.gva.es
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33 | *
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34 | * or
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35 | *
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36 | * IVER T.I. S.A
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37 | * Salamanca 50
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38 | * 46005 Valencia
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39 | * Spain
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40 | *
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41 | * +34 963163400
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42 | * dac@iver.es
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43 | */
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44 | package com.iver.gvsig.addeventtheme; |
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45 | |||
46 | import java.awt.geom.Rectangle2D; |
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47 | import java.io.IOException; |
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48 | |||
49 | import com.hardcode.driverManager.DriverLoadException; |
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50 | import com.hardcode.gdbms.engine.data.DataSource; |
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51 | import com.hardcode.gdbms.engine.data.DataSourceFactory; |
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52 | import com.hardcode.gdbms.engine.data.NoSuchTableException; |
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53 | import com.hardcode.gdbms.engine.data.driver.DriverException; |
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54 | import com.hardcode.gdbms.engine.data.driver.ObjectDriver; |
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55 | import com.hardcode.gdbms.engine.data.edition.DataWare; |
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56 | import com.hardcode.gdbms.engine.values.StringValue; |
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57 | import com.hardcode.gdbms.engine.values.Value; |
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58 | import com.iver.cit.gvsig.fmap.core.FGeometry; |
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59 | import com.iver.cit.gvsig.fmap.core.FPoint2D; |
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60 | import com.iver.cit.gvsig.fmap.core.FShape; |
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61 | import com.iver.cit.gvsig.fmap.core.IGeometry; |
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62 | import com.iver.cit.gvsig.fmap.core.ShapeFactory; |
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63 | import com.iver.cit.gvsig.fmap.drivers.DriverAttributes; |
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64 | import com.iver.cit.gvsig.fmap.drivers.VectorialDriver; |
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65 | import com.iver.cit.gvsig.fmap.layers.LayerFactory; |
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66 | import com.iver.utiles.IPersistance; |
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67 | import com.iver.utiles.XMLEntity; |
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68 | |||
69 | /**
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70 | * The class AddEventThemeDriver allows to create a new FLayer from a
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71 | * gvSIG DataSource.
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72 | *
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73 | * @author jmorell
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74 | */
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75 | public class AddEventThemeDriver implements VectorialDriver, ObjectDriver, IPersistance { |
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76 | private Rectangle2D fullExtent = null; |
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77 | private DataSource ds; |
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78 | private int xFieldIndex; |
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79 | private int yFieldIndex; |
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80 | |||
81 | /**
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82 | * Initializes this.
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83 | * @param ds
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84 | * @param xFieldIndex
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85 | * @param yFieldIndex
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86 | */
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87 | public void setData(DataSource ds, int xFieldIndex, int yFieldIndex) { |
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88 | this.ds = ds;
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89 | this.xFieldIndex = xFieldIndex;
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90 | this.yFieldIndex = yFieldIndex;
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91 | } |
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92 | |||
93 | public int getShapeType() { |
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94 | return FShape.POINT;
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95 | } |
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96 | |||
97 | public int getShapeCount() throws IOException { |
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98 | try {
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99 | return (int) ds.getRowCount(); |
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100 | } catch (DriverException e) {
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101 | // TODO Auto-generated catch block
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102 | e.printStackTrace(); |
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103 | } |
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104 | return 0; |
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105 | } |
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106 | |||
107 | public DriverAttributes getDriverAttributes() {
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108 | // TODO Auto-generated method stub
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109 | return null; |
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110 | } |
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111 | |||
112 | public Rectangle2D getFullExtent() throws IOException { |
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113 | if (fullExtent == null) { |
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114 | try {
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115 | for (int i=0;i<ds.getRowCount();i++) { |
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116 | double x = (new Double(((Value)ds.getFieldValue((int)i, xFieldIndex)).toString())).doubleValue(); |
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117 | double y = (new Double(((Value)ds.getFieldValue((int)i, yFieldIndex)).toString())).doubleValue(); |
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118 | FGeometry geometry = ShapeFactory.createGeometry(new FPoint2D(x, y));
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119 | Rectangle2D rect = geometry.getBounds2D();
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120 | if (fullExtent == null) { |
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121 | fullExtent = rect; |
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122 | } else {
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123 | fullExtent.add(rect); |
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124 | } |
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125 | } |
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126 | } catch (com.hardcode.gdbms.engine.data.driver.DriverException e1) {
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127 | // TODO Auto-generated catch block
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128 | e1.printStackTrace(); |
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129 | } |
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130 | } |
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131 | return fullExtent;
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132 | } |
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133 | |||
134 | public IGeometry getShape(int index){ |
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135 | double x;
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136 | double y;
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137 | try {
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138 | x = (new Double(((Value)ds.getFieldValue(index, xFieldIndex)).toString())).doubleValue(); |
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139 | y = (new Double(((Value)ds.getFieldValue(index, yFieldIndex)).toString())).doubleValue(); |
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140 | FGeometry geometry = ShapeFactory.createGeometry(new FPoint2D(x, y));
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141 | return geometry;
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142 | } catch (NumberFormatException e) { |
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143 | // TODO Auto-generated catch block
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144 | e.printStackTrace(); |
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145 | } catch (DriverException e) {
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146 | // TODO Auto-generated catch block
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147 | e.printStackTrace(); |
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148 | } |
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149 | return null; |
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150 | } |
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151 | |||
152 | public String getName() { |
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153 | return "Add Event Theme Driver"; |
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154 | } |
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155 | |||
156 | public int[] getPrimaryKeys() throws DriverException { |
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157 | // TODO Auto-generated method stub
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158 | return null; |
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159 | } |
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160 | |||
161 | public void write(DataWare dataWare) throws DriverException { |
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162 | // TODO Auto-generated method stub
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163 | |||
164 | } |
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165 | |||
166 | public void setDataSourceFactory(DataSourceFactory arg0) { |
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167 | // TODO Auto-generated method stub
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168 | |||
169 | } |
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170 | |||
171 | public Value getFieldValue(long rowIndex, int fieldId) throws DriverException { |
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172 | return ds.getFieldValue(rowIndex, fieldId);
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173 | } |
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174 | |||
175 | public int getFieldCount() throws DriverException { |
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176 | return ds.getFieldCount();
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177 | } |
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178 | |||
179 | public String getFieldName(int fieldId) throws DriverException { |
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180 | return ds.getFieldName(fieldId);
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181 | } |
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182 | |||
183 | public long getRowCount() throws DriverException { |
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184 | return ds.getRowCount();
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185 | } |
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186 | |||
187 | public int getFieldType(int i) throws DriverException { |
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188 | return ds.getFieldType(i);
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189 | } |
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190 | |||
191 | public String getClassName() { |
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192 | return this.getClass().getName(); |
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193 | } |
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194 | |||
195 | // Para guardar en el xml file
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196 | public XMLEntity getXMLEntity() {
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197 | XMLEntity xml = new XMLEntity();
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198 | xml.putProperty("className", this.getClass().getName()); |
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199 | xml.putProperty("xFieldIndex", xFieldIndex);
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200 | xml.putProperty("yFieldIndex", yFieldIndex);
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201 | xml.putProperty("tableName", ds.getName());
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202 | return xml;
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203 | } |
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204 | |||
205 | // Para recuperar del xml file
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206 | public void setXMLEntity(XMLEntity xml) { |
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207 | int xFieldIndex = xml.getIntProperty("xFieldIndex"); |
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208 | int yFieldIndex = xml.getIntProperty("yFieldIndex"); |
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209 | String tableName = xml.getStringProperty("tableName"); |
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210 | try {
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211 | DataSource ds = LayerFactory.getDataSourceFactory().createRandomDataSource(tableName, DataSourceFactory.AUTOMATIC_OPENING);
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212 | setData(ds, xFieldIndex, yFieldIndex); |
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213 | } catch (NoSuchTableException e) {
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214 | throw new RuntimeException(e); |
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215 | } catch (com.hardcode.gdbms.engine.data.driver.DriverException e) {
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216 | throw new RuntimeException(e); |
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217 | } catch (DriverLoadException e) {
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218 | // TODO Auto-generated catch block
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219 | e.printStackTrace(); |
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220 | } |
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221 | } |
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222 | } |