svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.geometry / org.gvsig.fmap.geometry.impl / src / main / java / org / gvsig / fmap / geom / impl / DefaultGeometryManager.java @ 40435
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1 | 40435 | jjdelcerro | /* gvSIG. Geographic Information System of the Valencian Government
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2 | *
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3 | * Copyright (C) 2007-2008 Infrastructures and Transports Department
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4 | * of the Valencian Government (CIT)
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5 | *
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6 | * This program is free software; you can redistribute it and/or
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7 | * modify it under the terms of the GNU General Public License
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8 | * as published by the Free Software Foundation; either version 2
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9 | * of the License, or (at your option) any later version.
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10 | *
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11 | * This program is distributed in the hope that it will be useful,
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | * GNU General Public License for more details.
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15 | *
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16 | * You should have received a copy of the GNU General Public License
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17 | * along with this program; if not, write to the Free Software
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18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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19 | * MA 02110-1301, USA.
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20 | *
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21 | */
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22 | |||
23 | /*
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24 | * AUTHORS (In addition to CIT):
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25 | * 2009 {Iver T.I.} {Task}
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26 | */
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27 | |||
28 | package org.gvsig.fmap.geom.impl; |
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29 | |||
30 | import java.awt.geom.PathIterator; |
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31 | import java.util.ArrayList; |
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32 | import java.util.HashMap; |
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33 | import java.util.Iterator; |
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34 | import java.util.List; |
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35 | import java.util.Map; |
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36 | |||
37 | import org.slf4j.Logger; |
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38 | import org.slf4j.LoggerFactory; |
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39 | |||
40 | import org.gvsig.fmap.geom.Geometry; |
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41 | import org.gvsig.fmap.geom.Geometry.SUBTYPES; |
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42 | import org.gvsig.fmap.geom.Geometry.TYPES; |
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43 | import org.gvsig.fmap.geom.GeometryException; |
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44 | import org.gvsig.fmap.geom.GeometryLocator; |
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45 | import org.gvsig.fmap.geom.GeometryManager; |
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46 | import org.gvsig.fmap.geom.SpatialIndex; |
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47 | import org.gvsig.fmap.geom.aggregate.MultiCurve; |
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48 | import org.gvsig.fmap.geom.aggregate.MultiSurface; |
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49 | import org.gvsig.fmap.geom.exception.CreateEnvelopeException; |
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50 | import org.gvsig.fmap.geom.exception.CreateGeometryException; |
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51 | import org.gvsig.fmap.geom.operation.GeometryOperation; |
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52 | import org.gvsig.fmap.geom.operation.GeometryOperationContext; |
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53 | import org.gvsig.fmap.geom.operation.GeometryOperationException; |
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54 | import org.gvsig.fmap.geom.operation.GeometryOperationNotSupportedException; |
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55 | import org.gvsig.fmap.geom.primitive.Curve; |
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56 | import org.gvsig.fmap.geom.primitive.DefaultGeneralPathX; |
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57 | import org.gvsig.fmap.geom.primitive.Envelope; |
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58 | import org.gvsig.fmap.geom.primitive.GeneralPathX; |
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59 | import org.gvsig.fmap.geom.primitive.NullGeometry; |
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60 | import org.gvsig.fmap.geom.primitive.Point; |
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61 | import org.gvsig.fmap.geom.primitive.PointGeometryType; |
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62 | import org.gvsig.fmap.geom.primitive.Surface; |
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63 | import org.gvsig.fmap.geom.primitive.impl.DefaultNullGeometry; |
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64 | import org.gvsig.fmap.geom.primitive.impl.Envelope2D; |
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65 | import org.gvsig.fmap.geom.primitive.impl.Envelope3D; |
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66 | import org.gvsig.fmap.geom.type.GeometryType; |
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67 | import org.gvsig.fmap.geom.type.GeometryTypeNotSupportedException; |
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68 | import org.gvsig.fmap.geom.type.GeometryTypeNotValidException; |
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69 | import org.gvsig.fmap.geom.type.impl.DefaultGeometryType; |
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70 | |||
71 | /**
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72 | * Default implementation for the {@link GeometryManager}. When the
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73 | * application starts, this class is registered in the {@link GeometryLocator}
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74 | * using the {@link DefaultGeometryLibrary}.
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75 | *
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76 | * @author <a href="mailto:jpiera@gvsig.org">Jorge Piera</a>
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77 | */
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78 | |||
79 | public class DefaultGeometryManager implements GeometryManager { |
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80 | |||
81 | private static final Logger logger = LoggerFactory |
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82 | .getLogger(GeometryManager.class); |
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83 | private double flatness = 0.8; |
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84 | |||
85 | /**
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86 | * This list holds the unique name of all registered geometry operations.
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87 | * The index in which they are stored is also the operation code used to
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88 | * invoke each one of them
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89 | */
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90 | private List geometryOperations = new ArrayList(); |
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91 | |||
92 | /**
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93 | * Common operations are registered here. Type specific operations are
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94 | * registered in the corresponding GeometryType instance
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95 | */
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96 | // private List commonOperations = new ArrayList();
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97 | |||
98 | /**
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99 | * This map holds the instances of all registered GeometryType. The key is
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100 | * the name of the specific Geometry subclass.
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101 | * In other words, the string "org.gvsig.fmap.geom.primitive.Point2D" is the
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102 | * hash key to obtain an instance of GeometryType holding the
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103 | * operations associated to the class org.gvsig.fmap.geom.primitive.Point2D.
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104 | */
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105 | private Map geometryTypeName = new HashMap(); |
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106 | |||
107 | /**
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108 | * Matrix of geometry types by type (row) and subtype (column). This matrix
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109 | * will contain null values in the cells where a GeometryType hasn't been
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110 | * registered.
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111 | */
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112 | private GeometryType[][] geometryTypes; |
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113 | |||
114 | // Initially create a matrix of 17 x 6, which are the current default
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115 | // types and subtypes. If another type or subtype is registered, the
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116 | // matrix will grow as needed
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117 | private static final int DEFAULT_TYPES_SIZE = 17; |
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118 | private static final int DEFAULT_SUBTYPES_SIZE = 6; |
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119 | |||
120 | public DefaultGeometryManager() {
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121 | this(DEFAULT_TYPES_SIZE, DEFAULT_SUBTYPES_SIZE);
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122 | } |
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123 | |||
124 | public DefaultGeometryManager(int initialTypesSize, int initialSubtypesSize) { |
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125 | geometryTypes = new GeometryType[initialTypesSize][initialSubtypesSize];
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126 | } |
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127 | |||
128 | public int registerGeometryOperation(String geomOpName, |
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129 | GeometryOperation geomOp, GeometryType geomType) { |
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130 | if (geomOp == null) { |
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131 | throw new IllegalArgumentException("geomOp cannot be null."); |
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132 | } |
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133 | if (geomType == null) { |
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134 | throw new IllegalArgumentException("geomType cannot be null."); |
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135 | } |
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136 | |||
137 | int index = getGeometryOperationCode(geomOpName);
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138 | |||
139 | geomType.setGeometryOperation(index, geomOp); |
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140 | |||
141 | return index;
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142 | } |
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143 | |||
144 | public int registerGeometryOperation(String geomOpName, |
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145 | GeometryOperation geomOp) { |
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146 | if (geomOpName == null) { |
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147 | throw new IllegalArgumentException("geomOpName cannot be null."); |
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148 | } |
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149 | if (geomOp == null) { |
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150 | throw new IllegalArgumentException("geomOp cannot be null."); |
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151 | } |
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152 | |||
153 | int index = getGeometryOperationCode(geomOpName);
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154 | |||
155 | Iterator it = geometryTypeName.values().iterator();
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156 | while (it.hasNext()) {
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157 | GeometryType geometryType = (GeometryType) it.next(); |
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158 | registerGeometryOperation(geomOpName, geomOp, geometryType); |
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159 | } |
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160 | |||
161 | return index;
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162 | |||
163 | } |
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164 | |||
165 | public int registerGeometryOperation(String geomOpName, |
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166 | GeometryOperation geomOp, int type, int subType) |
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167 | throws GeometryTypeNotSupportedException, GeometryTypeNotValidException {
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168 | GeometryType geometryType = getGeometryType(type, subType); |
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169 | return registerGeometryOperation(geomOpName, geomOp, geometryType);
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170 | } |
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171 | |||
172 | public int registerGeometryOperation(String geomOpName, |
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173 | GeometryOperation geomOp, int type) {
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174 | int code = -1; |
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175 | Iterator it = geometryTypeName.values().iterator();
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176 | while (it.hasNext()) {
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177 | GeometryType geometryType = (GeometryType) it.next(); |
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178 | if ((type == geometryType.getType())) {
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179 | code = |
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180 | registerGeometryOperation(geomOpName, geomOp, geometryType); |
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181 | } |
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182 | } |
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183 | return code;
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184 | } |
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185 | |||
186 | public int registerGeometryOperationBySubtype(String geomOpName, |
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187 | GeometryOperation geomOp, int subType) {
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188 | int code = -1; |
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189 | Iterator it = geometryTypeName.values().iterator();
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190 | while (it.hasNext()) {
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191 | GeometryType geometryType = (GeometryType) it.next(); |
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192 | if ((subType == geometryType.getSubType())) {
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193 | code = |
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194 | registerGeometryOperation(geomOpName, geomOp, geometryType); |
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195 | } |
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196 | } |
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197 | return code;
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198 | } |
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199 | |||
200 | public int registerGeometryOperationBySuperType(String geomOpName, |
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201 | GeometryOperation geomOp, int superType) {
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202 | int code = -1; |
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203 | Iterator it = geometryTypeName.values().iterator();
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204 | while (it.hasNext()) {
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205 | GeometryType geometryType = (GeometryType) it.next(); |
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206 | if (geometryType.isTypeOf(superType)) {
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207 | code = |
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208 | registerGeometryOperation(geomOpName, geomOp, geometryType); |
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209 | } |
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210 | } |
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211 | return code;
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212 | } |
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213 | |||
214 | public int registerGeometryOperationBySuperSubType(String geomOpName, |
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215 | GeometryOperation geomOp, int superSubType) {
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216 | int code = -1; |
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217 | Iterator it = geometryTypeName.values().iterator();
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218 | while (it.hasNext()) {
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219 | GeometryType geometryType = (GeometryType) it.next(); |
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220 | if (geometryType.isSubTypeOf(superSubType)) {
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221 | code = |
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222 | registerGeometryOperation(geomOpName, geomOp, geometryType); |
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223 | } |
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224 | } |
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225 | return code;
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226 | } |
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227 | |||
228 | public GeometryType registerGeometryType(Class geomClass, String name, |
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229 | int type, int subType) { |
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230 | return registerGeometryType(geomClass, name, type, subType,
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231 | new int[0], new int[0]); |
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232 | } |
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233 | |||
234 | public GeometryType registerGeometryType(Class geomClass, String name, |
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235 | int type, int subType, int superType, int superSubType) { |
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236 | return registerGeometryType(geomClass, name, type, subType,
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237 | new int[]{superType}, new int[]{superSubType}); |
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238 | } |
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239 | |||
240 | public GeometryType registerGeometryType(Class geomClass, String name, |
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241 | int type, int subType, int superType) { |
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242 | return registerGeometryType(geomClass, name, type, subType,
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243 | new int[]{superType}, new int[0]); |
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244 | } |
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245 | |||
246 | public GeometryType registerGeometryType(Class geomClass, String name, |
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247 | int type, int subType, int[] superTypes) { |
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248 | return registerGeometryType(geomClass, name, type, subType,
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249 | superTypes, new int[0]); |
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250 | } |
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251 | |||
252 | /**
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253 | * Registers a Geometry implementation class with a predefined geometry type
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254 | * and returns the
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255 | * associated GeometryType instance. Available predefined types are defined
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256 | * in {@link Geometry.TYPES} If the class is already registered then this
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257 | * method throws an IllegalArgumentException.<br>
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258 | *
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259 | * How to register a geometry class with a predefined type:
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260 | *
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261 | * <pre>
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262 | *
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263 | * public class Point2D implements Point {
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264 | * private static final GeometryType geomType = GeometryManager.getInstance()
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265 | * .registerBasicGeometryType(Point2D.class, "Point2D", Geometry.TYPES.POINT);
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266 | *
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267 | * ...
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268 | * public int getType() {
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269 | * return geomType.getType();
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270 | * }
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271 | * }
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272 | * </pre>
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273 | *
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274 | * @param geomClass
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275 | * Geometry subclass. It must not be null and must implement
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276 | * Geometry, otherwise an exception
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277 | * is raised.
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278 | * @param name
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279 | * Symbolic name for the geometry type, it can be null. If it is
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280 | * null then the symbolic name
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281 | * will be the simple class name.
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282 | * @param id
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283 | * Geometry identifier.
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284 | * @param type
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285 | * Type of geometry. Must be a value defined in
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286 | * {@link Geometry.TYPES}
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287 | * @param subType
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288 | * SubType of geometry. Must be a value defined in
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289 | * {@link Geometry.SUBTYPES}
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290 | * @return Instance of GeometryType associated to the Geometry
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291 | * implementation class
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292 | * geomClass
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293 | * @throws IllegalArgumentException
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294 | * If geomClass is null or does not implement Geometry
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295 | */
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296 | public GeometryType registerGeometryType(Class geomClass, String name, |
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297 | int type, int subType, int[] superTypes, int superSubTypes[]) { |
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298 | if (geomClass == null) { |
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299 | throw new IllegalArgumentException("geomClass cannot be null."); |
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300 | } |
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301 | |||
302 | if (!Geometry.class.isAssignableFrom(geomClass)) {
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303 | throw new IllegalArgumentException(geomClass.getName() |
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304 | + " must implement the Geometry interface");
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305 | } |
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306 | |||
307 | // Check if it is registered
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308 | GeometryType geomType = null;
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309 | if (type >= geometryTypes.length || subType >= geometryTypes[0].length |
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310 | || (geomType = geometryTypes[type][subType]) == null) {
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311 | geomType = |
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312 | new DefaultGeometryType(geomClass, name, type, subType,
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313 | superTypes, superSubTypes); |
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314 | registerGeometryType(geomType); |
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315 | } |
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316 | |||
317 | logger.debug("Class {} registered with name {}", geomClass,
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318 | geomType.getName()); |
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319 | |||
320 | return geomType;
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321 | } |
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322 | |||
323 | public void registerGeometryType(GeometryType geometryType) { |
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324 | if (geometryType.getType() >= geometryTypes.length
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325 | || geometryType.getSubType() >= geometryTypes[0].length) {
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326 | |||
327 | // Recreate the geometry type matrix if the types
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328 | // or subtypes don't fit
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329 | int newTypesSize =
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330 | geometryType.getType() < geometryTypes.length |
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331 | ? geometryTypes.length : geometryType.getType() + 1;
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332 | int newSubTypesSize =
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333 | geometryType.getSubType() < geometryTypes[0].length
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334 | ? geometryTypes[0].length : geometryType.getSubType() + 1; |
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335 | GeometryType[][] newMatrix = |
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336 | new GeometryType[newTypesSize][newSubTypesSize];
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337 | |||
338 | for (int i = 0; i < geometryTypes.length; i++) { |
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339 | System.arraycopy(geometryTypes[i], 0, newMatrix[i], 0, |
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340 | geometryTypes[i].length); |
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341 | } |
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342 | geometryTypes = newMatrix; |
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343 | } |
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344 | |||
345 | geometryTypes[geometryType.getType()][geometryType.getSubType()] = |
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346 | geometryType; |
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347 | geometryTypeName.put(geometryType.getName(), geometryType); |
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348 | } |
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349 | |||
350 | public GeometryType registerGeometryType(Class geomClass, int type, |
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351 | int subType) {
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352 | return registerGeometryType(geomClass, null, type, subType); |
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353 | } |
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354 | |||
355 | public GeometryType getGeometryType(int type, int subType) |
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356 | throws GeometryTypeNotSupportedException, GeometryTypeNotValidException {
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357 | GeometryType gType = null;
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358 | if (type >= geometryTypes.length || subType >= geometryTypes[0].length) { |
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359 | throw new GeometryTypeNotValidException(type, subType); |
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360 | } |
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361 | |||
362 | gType = geometryTypes[type][subType]; |
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363 | |||
364 | if (gType == null) { |
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365 | throw new GeometryTypeNotSupportedException(type, subType); |
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366 | } |
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367 | |||
368 | return gType;
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369 | } |
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370 | |||
371 | public Geometry create(GeometryType geomType)
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372 | throws CreateGeometryException {
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373 | return geomType.create();
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374 | } |
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375 | |||
376 | public Geometry create(String name) throws CreateGeometryException { |
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377 | if (!geometryTypeName.containsKey(name)) {
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378 | throw new IllegalArgumentException(name |
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379 | + " has not been registered yet.");
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380 | } |
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381 | return ((GeometryType) geometryTypeName.get(name)).create();
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382 | } |
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383 | |||
384 | public Geometry create(int type, int subType) |
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385 | throws CreateGeometryException {
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386 | try {
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387 | return getGeometryType(type, subType).create();
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388 | } catch (GeometryException e) {
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389 | throw new CreateGeometryException(type, subType, e); |
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390 | } |
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391 | } |
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392 | |||
393 | public Curve createCurve(GeneralPathX generalPathX, int subType) |
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394 | throws CreateGeometryException {
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395 | Curve curve = (Curve) create(TYPES.CURVE, subType); |
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396 | curve.setGeneralPath(generalPathX); |
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397 | return curve;
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398 | } |
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399 | |||
400 | public NullGeometry createNullGeometry(int subType) |
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401 | throws CreateGeometryException {
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402 | NullGeometry nullGeom = (NullGeometry) create(TYPES.NULL, subType); |
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403 | return nullGeom;
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404 | } |
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405 | |||
406 | public Point createPoint(double x, double y, int subType) |
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407 | throws CreateGeometryException {
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408 | Point point = (Point) create(TYPES.POINT, subType); |
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409 | point.setX(x); |
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410 | point.setY(y); |
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411 | return point;
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412 | } |
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413 | |||
414 | public Surface createSurface(GeneralPathX generalPathX, int subType) |
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415 | throws CreateGeometryException {
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416 | Surface surface = (Surface) create(TYPES.SURFACE, subType); |
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417 | surface.setGeneralPath(generalPathX); |
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418 | return surface;
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419 | } |
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420 | |||
421 | public GeometryOperation getGeometryOperation(int opCode, int type, |
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422 | int subType) throws GeometryTypeNotSupportedException, |
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423 | GeometryOperationNotSupportedException, GeometryTypeNotValidException { |
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424 | GeometryType geometryType = getGeometryType(type, subType); |
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425 | return geometryType.getGeometryOperation(opCode);
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426 | } |
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427 | |||
428 | public GeometryOperation getGeometryOperation(int opCode) |
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429 | throws GeometryOperationNotSupportedException {
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430 | if (opCode < 0) { |
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431 | throw new GeometryOperationNotSupportedException(opCode); |
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432 | } |
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433 | GeometryType type = |
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434 | (GeometryType) geometryTypeName.get(DefaultNullGeometry.class |
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435 | .getName()); |
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436 | if (type == null) { |
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437 | throw new GeometryOperationNotSupportedException(opCode); |
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438 | } |
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439 | return type.getGeometryOperation(opCode);
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440 | } |
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441 | |||
442 | public Object invokeOperation(int opCode, Geometry geom, |
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443 | GeometryOperationContext ctx) |
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444 | throws GeometryOperationNotSupportedException,
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445 | GeometryOperationException { |
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446 | GeometryOperation geomOp = |
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447 | geom.getGeometryType().getGeometryOperation(opCode); |
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448 | |||
449 | if (geomOp != null) { |
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450 | return geomOp.invoke(geom, ctx);
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451 | } |
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452 | |||
453 | throw new GeometryOperationNotSupportedException(opCode, |
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454 | geom.getGeometryType()); |
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455 | } |
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456 | |||
457 | public Object invokeOperation(String geomOpName, Geometry geom, |
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458 | GeometryOperationContext ctx) |
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459 | throws GeometryOperationNotSupportedException,
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460 | GeometryOperationException { |
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461 | int index = geometryOperations.indexOf(geomOpName);
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462 | if (index == -1) { |
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463 | throw new GeometryOperationNotSupportedException(-1); |
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464 | } |
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465 | return invokeOperation(index, geom, ctx);
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466 | } |
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467 | |||
468 | public Object invokeOperation(String geomOpName, |
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469 | GeometryOperationContext ctx) |
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470 | throws GeometryOperationNotSupportedException,
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471 | GeometryOperationException { |
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472 | int index = geometryOperations.indexOf(geomOpName);
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473 | GeometryOperation geomOp = getGeometryOperation(index); |
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474 | return geomOp.invoke(null, ctx); |
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475 | } |
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476 | |||
477 | public Envelope createEnvelope(int subType) { |
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478 | // TODO: register the envelopes!!!
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479 | switch (subType) {
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480 | case SUBTYPES.GEOM3D:
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481 | return new Envelope3D(); |
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482 | default:
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483 | return new Envelope2D(); |
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484 | } |
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485 | } |
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486 | |||
487 | public Envelope createEnvelope(double minX, double minY, double maxX, |
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488 | double maxY, int subType) throws CreateEnvelopeException { |
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489 | org.gvsig.fmap.geom.primitive.Point min = null;
|
||
490 | org.gvsig.fmap.geom.primitive.Point max = null;
|
||
491 | try {
|
||
492 | PointGeometryType gType = (PointGeometryType) getGeometryType(TYPES.POINT, subType); |
||
493 | min = gType.createPoint(minX, minY); |
||
494 | max = gType.createPoint(maxX, maxY); |
||
495 | } catch (GeometryTypeNotSupportedException e) {
|
||
496 | throw new CreateEnvelopeException(subType, e); |
||
497 | } catch (GeometryTypeNotValidException e) {
|
||
498 | throw new CreateEnvelopeException(subType, e); |
||
499 | } |
||
500 | switch (subType) {
|
||
501 | case SUBTYPES.GEOM2D:
|
||
502 | case SUBTYPES.GEOM2DM:
|
||
503 | // Small optimization to directly create an Envelope2D
|
||
504 | // return new Envelope2D(minX, minY, maxX, maxY);
|
||
505 | return new Envelope2D(min, max); |
||
506 | default:
|
||
507 | Envelope envelope = createEnvelope(subType); |
||
508 | envelope.setLowerCorner(min); |
||
509 | envelope.setUpperCorner(max); |
||
510 | return envelope;
|
||
511 | } |
||
512 | } |
||
513 | |||
514 | public MultiCurve createMultiCurve(GeneralPathX generalPathX, int subType) |
||
515 | throws CreateGeometryException {
|
||
516 | if (subType != SUBTYPES.GEOM2D) {
|
||
517 | // FIXME Exception
|
||
518 | throw new UnsupportedOperationException(); |
||
519 | } |
||
520 | MultiCurve multiCurve = (MultiCurve) create(TYPES.MULTICURVE, subType); |
||
521 | PathIterator piter = generalPathX.getPathIterator(null); |
||
522 | GeneralPathX tmpPath = null;
|
||
523 | Curve tmpCurve = null;
|
||
524 | double[] coords = new double[6]; |
||
525 | double[] first = new double[6]; |
||
526 | int type;
|
||
527 | while (!piter.isDone()) {
|
||
528 | type = piter.currentSegment(coords); |
||
529 | switch (type) {
|
||
530 | case PathIterator.SEG_MOVETO: |
||
531 | if (tmpPath != null) { |
||
532 | tmpCurve = createCurve(tmpPath, subType); |
||
533 | multiCurve.addCurve(tmpCurve); |
||
534 | } |
||
535 | System.arraycopy(coords, 0, first, 0, 2); |
||
536 | tmpPath = new GeneralPathX(piter.getWindingRule());
|
||
537 | tmpPath.moveTo(coords[0], coords[1]); |
||
538 | break;
|
||
539 | |||
540 | case PathIterator.SEG_LINETO: |
||
541 | if (tmpPath == null) { |
||
542 | System.arraycopy(coords, 0, first, 0, 2); |
||
543 | tmpPath = new GeneralPathX(piter.getWindingRule());
|
||
544 | } |
||
545 | tmpPath.lineTo(coords[0], coords[1]); |
||
546 | break;
|
||
547 | |||
548 | case PathIterator.SEG_QUADTO: |
||
549 | if (tmpPath == null) { |
||
550 | System.arraycopy(coords, 0, first, 0, 2); |
||
551 | tmpPath = new GeneralPathX(piter.getWindingRule());
|
||
552 | } |
||
553 | tmpPath.quadTo(coords[0], coords[1], coords[2], coords[3]); |
||
554 | break;
|
||
555 | |||
556 | case PathIterator.SEG_CUBICTO: |
||
557 | if (tmpPath == null) { |
||
558 | System.arraycopy(coords, 0, first, 0, 2); |
||
559 | tmpPath = new GeneralPathX(piter.getWindingRule());
|
||
560 | } |
||
561 | tmpPath.curveTo(coords[0], coords[1], coords[2], coords[3], |
||
562 | coords[4], coords[5]); |
||
563 | break;
|
||
564 | |||
565 | case PathIterator.SEG_CLOSE: |
||
566 | tmpPath.lineTo(first[0], first[1]); |
||
567 | break;
|
||
568 | |||
569 | } // end switch
|
||
570 | |||
571 | piter.next(); |
||
572 | |||
573 | } |
||
574 | if (tmpPath != null) { |
||
575 | tmpCurve = createCurve(tmpPath, subType); |
||
576 | multiCurve.addCurve(tmpCurve); |
||
577 | } |
||
578 | |||
579 | return multiCurve;
|
||
580 | |||
581 | } |
||
582 | |||
583 | public MultiSurface createMultiSurface(GeneralPathX generalPathX,
|
||
584 | int subType) throws CreateGeometryException { |
||
585 | if (subType != SUBTYPES.GEOM2D) {
|
||
586 | // FIXME Exception
|
||
587 | throw new UnsupportedOperationException(); |
||
588 | } |
||
589 | MultiSurface multiSurface = |
||
590 | (MultiSurface) create(TYPES.MULTISURFACE, subType); |
||
591 | PathIterator piter = generalPathX.getPathIterator(null); |
||
592 | GeneralPathX tmpPath = null;
|
||
593 | Surface tmpSurface = null;
|
||
594 | double[] coords = new double[6]; |
||
595 | double[] first = new double[6]; |
||
596 | int type;
|
||
597 | while (!piter.isDone()) {
|
||
598 | type = piter.currentSegment(coords); |
||
599 | switch (type) {
|
||
600 | case PathIterator.SEG_MOVETO: |
||
601 | if (tmpPath != null) { |
||
602 | tmpSurface = createSurface(tmpPath, subType); |
||
603 | multiSurface.addSurface(tmpSurface); |
||
604 | } |
||
605 | System.arraycopy(coords, 0, first, 0, 2); |
||
606 | tmpPath = new GeneralPathX(piter.getWindingRule());
|
||
607 | tmpPath.moveTo(coords[0], coords[1]); |
||
608 | |||
609 | case PathIterator.SEG_LINETO: |
||
610 | if (tmpPath == null) { |
||
611 | System.arraycopy(coords, 0, first, 0, 2); |
||
612 | tmpPath = new GeneralPathX(piter.getWindingRule());
|
||
613 | } |
||
614 | tmpPath.lineTo(coords[0], coords[1]); |
||
615 | break;
|
||
616 | |||
617 | case PathIterator.SEG_QUADTO: |
||
618 | if (tmpPath == null) { |
||
619 | System.arraycopy(coords, 0, first, 0, 2); |
||
620 | tmpPath = new GeneralPathX(piter.getWindingRule());
|
||
621 | } |
||
622 | tmpPath.quadTo(coords[0], coords[1], coords[2], coords[3]); |
||
623 | break;
|
||
624 | |||
625 | case PathIterator.SEG_CUBICTO: |
||
626 | if (tmpPath == null) { |
||
627 | System.arraycopy(coords, 0, first, 0, 2); |
||
628 | tmpPath = new GeneralPathX(piter.getWindingRule());
|
||
629 | } |
||
630 | tmpPath.curveTo(coords[0], coords[1], coords[2], coords[3], |
||
631 | coords[4], coords[5]); |
||
632 | break;
|
||
633 | |||
634 | case PathIterator.SEG_CLOSE: |
||
635 | tmpPath.lineTo(first[0], first[1]); |
||
636 | break;
|
||
637 | } // end switch
|
||
638 | |||
639 | piter.next(); |
||
640 | |||
641 | } |
||
642 | if (tmpPath != null) { |
||
643 | tmpSurface = createSurface(tmpPath, subType); |
||
644 | multiSurface.addSurface(tmpSurface); |
||
645 | } |
||
646 | |||
647 | return multiSurface;
|
||
648 | |||
649 | } |
||
650 | |||
651 | public int getGeometryOperationCode(String geomOpName) { |
||
652 | if (geomOpName == null) { |
||
653 | throw new IllegalArgumentException("geomOpName cannot be null."); |
||
654 | } |
||
655 | |||
656 | int index = geometryOperations.indexOf(geomOpName);
|
||
657 | if (index == -1) { |
||
658 | geometryOperations.add(geomOpName); |
||
659 | index = geometryOperations.indexOf(geomOpName); |
||
660 | } |
||
661 | return index;
|
||
662 | } |
||
663 | |||
664 | public List getGeometryOperationNames() { |
||
665 | List operations = new ArrayList(); |
||
666 | for (int i = 0; i < operations.size(); i++) { |
||
667 | operations.add(geometryOperations.get(i)); |
||
668 | } |
||
669 | return operations;
|
||
670 | } |
||
671 | |||
672 | public double getFlatness() { |
||
673 | return flatness;
|
||
674 | } |
||
675 | |||
676 | public void setFlatness(double flatness) { |
||
677 | this.flatness = flatness;
|
||
678 | } |
||
679 | |||
680 | public Geometry createFrom(String wkt, String srs) throws GeometryException { |
||
681 | GeometryOperationContext context = new GeometryOperationContext();
|
||
682 | context.setAttribute("text", wkt);
|
||
683 | context.setAttribute("srs", srs);
|
||
684 | |||
685 | try {
|
||
686 | return (Geometry) this.invokeOperation(OPERATIONS.FROMWKT, context); |
||
687 | } catch (GeometryOperationNotSupportedException e) {
|
||
688 | throw new GeometryException(e); |
||
689 | } catch (GeometryOperationException e) {
|
||
690 | throw new GeometryException(e); |
||
691 | } |
||
692 | } |
||
693 | |||
694 | public Geometry createFrom(String wkt) throws GeometryException { |
||
695 | GeometryOperationContext context = new GeometryOperationContext();
|
||
696 | context.setAttribute("text", wkt);
|
||
697 | context.setAttribute("srs", null); |
||
698 | |||
699 | try {
|
||
700 | return (Geometry) this.invokeOperation(OPERATIONS.FROMWKT, context); |
||
701 | } catch (GeometryOperationNotSupportedException e) {
|
||
702 | throw new GeometryException(e); |
||
703 | } catch (GeometryOperationException e) {
|
||
704 | throw new GeometryException(e); |
||
705 | } |
||
706 | } |
||
707 | |||
708 | public Geometry createFrom(byte[] wkb) throws GeometryException { |
||
709 | GeometryOperationContext context = new GeometryOperationContext();
|
||
710 | context.setAttribute("data", wkb);
|
||
711 | try {
|
||
712 | return (Geometry) this.invokeOperation(OPERATIONS.FROMWKB, context); |
||
713 | } catch (GeometryOperationNotSupportedException e) {
|
||
714 | throw new GeometryException(e); |
||
715 | } catch (GeometryOperationException e) {
|
||
716 | throw new GeometryException(e); |
||
717 | } |
||
718 | } |
||
719 | |||
720 | public SpatialIndex createDefaultMemorySpatialIndex() throws GeometryException { |
||
721 | return new SpatialIndexJTS(); |
||
722 | } |
||
723 | |||
724 | public GeneralPathX createGeneralPath(int rule, PathIterator pathIterator) { |
||
725 | if( pathIterator == null ) { |
||
726 | return new DefaultGeneralPathX(rule); |
||
727 | } |
||
728 | return new DefaultGeneralPathX(pathIterator); |
||
729 | } |
||
730 | public Curve createCurve(int subType) throws CreateGeometryException { |
||
731 | return (Curve) create(TYPES.CURVE, subType);
|
||
732 | } |
||
733 | |||
734 | public MultiCurve createMultiCurve(int subType) |
||
735 | throws CreateGeometryException {
|
||
736 | return (MultiCurve) create(TYPES.MULTICURVE, subType);
|
||
737 | } |
||
738 | |||
739 | public MultiSurface createMultiSurface(int subType) |
||
740 | throws CreateGeometryException {
|
||
741 | return (MultiSurface) create(TYPES.MULTISURFACE, subType);
|
||
742 | } |
||
743 | |||
744 | public Surface createSurface(int subType) throws CreateGeometryException { |
||
745 | return (Surface) create(TYPES.SURFACE, subType);
|
||
746 | } |
||
747 | } |