gvsig-geoprocess / org.gvsig.geoprocess / trunk / org.gvsig.geoprocess / org.gvsig.geoprocess.algorithm / org.gvsig.geoprocess.algorithm.base / src / main / java / org / gvsig / geoprocess / algorithm / base / core / DALFeaturePersister.java @ 265
History | View | Annotate | Download (10.5 KB)
| 1 |
/**
|
|---|---|
| 2 |
* gvSIG. Desktop Geographic Information System.
|
| 3 |
*
|
| 4 |
* Copyright (C) 2007-2012 gvSIG Association.
|
| 5 |
*
|
| 6 |
* This program is free software; you can redistribute it and/or
|
| 7 |
* modify it under the terms of the GNU General Public License
|
| 8 |
* as published by the Free Software Foundation; either version 2
|
| 9 |
* of the License, or (at your option) any later version.
|
| 10 |
*
|
| 11 |
* This program is distributed in the hope that it will be useful,
|
| 12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| 14 |
* GNU General Public License for more details.
|
| 15 |
*
|
| 16 |
* You should have received a copy of the GNU General Public License
|
| 17 |
* along with this program; if not, write to the Free Software
|
| 18 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
| 19 |
* MA 02110-1301, USA.
|
| 20 |
*
|
| 21 |
* For any additional information, do not hesitate to contact us
|
| 22 |
* at info AT gvsig.com, or visit our website www.gvsig.com.
|
| 23 |
*/
|
| 24 |
package org.gvsig.geoprocess.algorithm.base.core; |
| 25 |
|
| 26 |
import org.gvsig.fmap.dal.exception.DataException; |
| 27 |
import org.gvsig.fmap.dal.exception.ReadException; |
| 28 |
import org.gvsig.fmap.dal.feature.EditableFeature; |
| 29 |
import org.gvsig.fmap.dal.feature.Feature; |
| 30 |
import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
| 31 |
import org.gvsig.fmap.dal.feature.FeatureStore; |
| 32 |
import org.gvsig.fmap.dal.feature.FeatureType; |
| 33 |
import org.gvsig.fmap.geom.GeometryLocator; |
| 34 |
import org.gvsig.fmap.geom.GeometryManager; |
| 35 |
import org.gvsig.fmap.geom.exception.CreateGeometryException; |
| 36 |
import org.gvsig.fmap.geom.operation.GeometryOperationContext; |
| 37 |
import org.gvsig.fmap.geom.operation.GeometryOperationException; |
| 38 |
import org.gvsig.fmap.geom.operation.GeometryOperationNotSupportedException; |
| 39 |
import org.gvsig.fmap.geom.operation.fromjts.FromJTS; |
| 40 |
import org.gvsig.geoprocess.algorithm.base.util.GeometryUtil; |
| 41 |
|
| 42 |
import com.vividsolutions.jts.geom.Geometry; |
| 43 |
|
| 44 |
import es.unex.sextante.core.Sextante; |
| 45 |
|
| 46 |
/**
|
| 47 |
* Writes features in a FeatureStore
|
| 48 |
* @author Nacho Brodin (nachobrodin@gmail.com)
|
| 49 |
*/
|
| 50 |
public class DALFeaturePersister { |
| 51 |
private FeatureStore store = null; |
| 52 |
private String[] fieldNames = null; |
| 53 |
private GeometryManager geometryManager = null; |
| 54 |
|
| 55 |
/**
|
| 56 |
* Sets the output FeatureType
|
| 57 |
* @param out
|
| 58 |
* @throws DataException
|
| 59 |
*/
|
| 60 |
public DALFeaturePersister(FeatureStore out, String[] fieldNames) { |
| 61 |
this.store = out;
|
| 62 |
this.fieldNames = fieldNames;
|
| 63 |
try {
|
| 64 |
if(!store.isEditing())
|
| 65 |
store.edit(); |
| 66 |
} catch (DataException e) {
|
| 67 |
} catch (NullPointerException e) { |
| 68 |
} |
| 69 |
geometryManager = GeometryLocator.getGeometryManager(); |
| 70 |
} |
| 71 |
|
| 72 |
/**
|
| 73 |
* Adds a JTS feature to the FeatureStore
|
| 74 |
* @param entry
|
| 75 |
* @param newGeom
|
| 76 |
* @throws CreateGeometryException
|
| 77 |
* @throws DataException
|
| 78 |
*/
|
| 79 |
public EditableFeature addFeature(Feature feature1, Feature feature2, Geometry newGeom)
|
| 80 |
throws CreateGeometryException, DataException {
|
| 81 |
|
| 82 |
org.gvsig.fmap.geom.Geometry newDalGeom = null;
|
| 83 |
|
| 84 |
GeometryOperationContext ctx = new GeometryOperationContext();
|
| 85 |
ctx.setAttribute(FromJTS.PARAM, newGeom); |
| 86 |
try {
|
| 87 |
newDalGeom = (org.gvsig.fmap.geom.Geometry)geometryManager.invokeOperation(FromJTS.NAME, ctx); |
| 88 |
} catch (GeometryOperationNotSupportedException e) {
|
| 89 |
Sextante.addErrorToLog(e); |
| 90 |
return null; |
| 91 |
} catch (GeometryOperationException e) {
|
| 92 |
Sextante.addErrorToLog(e); |
| 93 |
return null; |
| 94 |
} |
| 95 |
|
| 96 |
EditableFeature feat = store.createNewFeature(); |
| 97 |
|
| 98 |
int globalIndex = 0; |
| 99 |
int localIndex = 0; |
| 100 |
Object value = feature1.get(localIndex);
|
| 101 |
while(value != null && !(value instanceof org.gvsig.fmap.geom.Geometry)) { |
| 102 |
feat.set(globalIndex, value); |
| 103 |
value = feature1.get(++localIndex); |
| 104 |
globalIndex ++; |
| 105 |
} |
| 106 |
|
| 107 |
localIndex = 0;
|
| 108 |
value = feature2.get(localIndex); |
| 109 |
while(value != null && !(value instanceof org.gvsig.fmap.geom.Geometry)) { |
| 110 |
feat.set(globalIndex, value); |
| 111 |
value = feature2.get(++localIndex); |
| 112 |
globalIndex ++; |
| 113 |
} |
| 114 |
|
| 115 |
if(acceptType(store, newDalGeom)) {
|
| 116 |
feat.setGeometry("GEOMETRY", newDalGeom);
|
| 117 |
store.insert(feat); |
| 118 |
return feat;
|
| 119 |
} |
| 120 |
return null; |
| 121 |
} |
| 122 |
|
| 123 |
/**
|
| 124 |
* Checks if the type of the feature store and the geometry are compatibles.
|
| 125 |
* @param store
|
| 126 |
* @param geom
|
| 127 |
* @return
|
| 128 |
* @throws ReadException
|
| 129 |
*/
|
| 130 |
private boolean acceptType(FeatureStore store, org.gvsig.fmap.geom.Geometry geom) throws ReadException { |
| 131 |
int fType = getShapeType(store);
|
| 132 |
int gType = geom.getType();
|
| 133 |
|
| 134 |
if(fType == gType)
|
| 135 |
return true; |
| 136 |
if( fType == org.gvsig.fmap.geom.Geometry.TYPES.MULTICURVE &&
|
| 137 |
gType == org.gvsig.fmap.geom.Geometry.TYPES.CURVE) |
| 138 |
return true; |
| 139 |
if( fType == org.gvsig.fmap.geom.Geometry.TYPES.MULTISURFACE &&
|
| 140 |
gType == org.gvsig.fmap.geom.Geometry.TYPES.SURFACE) |
| 141 |
return true; |
| 142 |
if( fType == org.gvsig.fmap.geom.Geometry.TYPES.MULTIPOINT &&
|
| 143 |
gType == org.gvsig.fmap.geom.Geometry.TYPES.POINT) |
| 144 |
return true; |
| 145 |
if( fType == org.gvsig.fmap.geom.Geometry.TYPES.MULTISOLID &&
|
| 146 |
gType == org.gvsig.fmap.geom.Geometry.TYPES.SOLID) |
| 147 |
return true; |
| 148 |
return false; |
| 149 |
} |
| 150 |
|
| 151 |
/**
|
| 152 |
* Adds a JTS feature to the FeatureStore
|
| 153 |
* @param entry
|
| 154 |
* @param newGeom
|
| 155 |
* @throws CreateGeometryException
|
| 156 |
* @throws DataException
|
| 157 |
*/
|
| 158 |
public EditableFeature addFeature(Feature feature, Geometry newGeom) throws CreateGeometryException, DataException { |
| 159 |
org.gvsig.fmap.geom.Geometry newDalGeom = null;
|
| 160 |
|
| 161 |
GeometryOperationContext ctx = new GeometryOperationContext();
|
| 162 |
ctx.setAttribute(FromJTS.PARAM, newGeom); |
| 163 |
try {
|
| 164 |
newDalGeom = (org.gvsig.fmap.geom.Geometry)geometryManager.invokeOperation(FromJTS.NAME, ctx); |
| 165 |
} catch (GeometryOperationNotSupportedException e) {
|
| 166 |
Sextante.addErrorToLog(e); |
| 167 |
return null; |
| 168 |
} catch (GeometryOperationException e) {
|
| 169 |
Sextante.addErrorToLog(e); |
| 170 |
return null; |
| 171 |
} |
| 172 |
|
| 173 |
if(acceptType(store, newDalGeom)) {
|
| 174 |
EditableFeature feat = store.createNewFeature(store.getDefaultFeatureType(), true);
|
| 175 |
FeatureAttributeDescriptor[] attrDesc = feature.getType().getAttributeDescriptors();
|
| 176 |
for (int i = 0; i < attrDesc.length; i++) { |
| 177 |
String name = attrDesc[i].getName();
|
| 178 |
if(name.compareTo("GEOMETRY") != 0) { |
| 179 |
Object value = feature.get(name);
|
| 180 |
if(value != null) { |
| 181 |
feat.set(name, value); |
| 182 |
} |
| 183 |
} |
| 184 |
} |
| 185 |
feat.setGeometry("GEOMETRY", newDalGeom);
|
| 186 |
store.insert(feat); |
| 187 |
return feat;
|
| 188 |
} |
| 189 |
return null; |
| 190 |
} |
| 191 |
|
| 192 |
/**
|
| 193 |
* Adds a JTS feature to the FeatureStore
|
| 194 |
* @param entry
|
| 195 |
* @param newGeom
|
| 196 |
* @throws CreateGeometryException
|
| 197 |
* @throws DataException
|
| 198 |
*/
|
| 199 |
public EditableFeature addFeature(Geometry newGeom, int id, double value) throws CreateGeometryException, DataException { |
| 200 |
org.gvsig.fmap.geom.Geometry newDalGeom = GeometryUtil.jtsToGeom(newGeom); |
| 201 |
|
| 202 |
if(newDalGeom != null && acceptType(store, newDalGeom)) { |
| 203 |
EditableFeature feat = store.createNewFeature(); |
| 204 |
feat.set(0, id);
|
| 205 |
feat.set(1, value);
|
| 206 |
feat.setGeometry("GEOMETRY", newDalGeom);
|
| 207 |
store.insert(feat); |
| 208 |
return feat;
|
| 209 |
} |
| 210 |
return null; |
| 211 |
} |
| 212 |
|
| 213 |
/**
|
| 214 |
* Adds a JTS feature to the FeatureStore
|
| 215 |
* @param entry
|
| 216 |
* @param newGeom
|
| 217 |
* @throws CreateGeometryException
|
| 218 |
* @throws DataException
|
| 219 |
*/
|
| 220 |
public EditableFeature addFeature(Geometry newGeom, int id, double value1, double value2) throws CreateGeometryException, DataException { |
| 221 |
org.gvsig.fmap.geom.Geometry newDalGeom = GeometryUtil.jtsToGeom(newGeom); |
| 222 |
|
| 223 |
if(newDalGeom != null && acceptType(store, newDalGeom)) { |
| 224 |
EditableFeature feat = store.createNewFeature(); |
| 225 |
feat.set(0, id);
|
| 226 |
feat.set(1, value1);
|
| 227 |
feat.set(2, value2);
|
| 228 |
feat.setGeometry("GEOMETRY", newDalGeom);
|
| 229 |
store.insert(feat); |
| 230 |
return feat;
|
| 231 |
} |
| 232 |
return null; |
| 233 |
} |
| 234 |
|
| 235 |
/**
|
| 236 |
* Adds a DAL feature to the FeatureStore when the field structure in the new feature
|
| 237 |
* is different to the source field structure.
|
| 238 |
* @param entry
|
| 239 |
* @param newGeom
|
| 240 |
* @throws CreateGeometryException
|
| 241 |
* @throws DataException
|
| 242 |
*/
|
| 243 |
public EditableFeature addDifferentFieldFeature(Feature feature, org.gvsig.fmap.geom.Geometry newGeom) throws CreateGeometryException, DataException { |
| 244 |
if(acceptType(store, newGeom)) {
|
| 245 |
//Builds a new empty feature
|
| 246 |
EditableFeature feat = store.createNewFeature(store.getDefaultFeatureType(), true);
|
| 247 |
|
| 248 |
//Writes only values with the same name and data type in both features
|
| 249 |
for (int i = 0; i < fieldNames.length; i++) { |
| 250 |
if(feature.getType().getIndex(fieldNames[i]) != -1) { |
| 251 |
Object obj1 = feature.get(fieldNames[i]);
|
| 252 |
if(feat.getType().getIndex(fieldNames[i]) != -1) { |
| 253 |
Object obj2 = feat.get(fieldNames[i]);
|
| 254 |
if(obj1 != null && obj2 != null && obj1.getClass() == obj2.getClass()) |
| 255 |
feat.set(i, obj1); |
| 256 |
} |
| 257 |
} |
| 258 |
} |
| 259 |
|
| 260 |
//Sets the geometry
|
| 261 |
feat.setGeometry(fieldNames.length, newGeom); |
| 262 |
store.insert(feat); |
| 263 |
return feat;
|
| 264 |
} |
| 265 |
return null; |
| 266 |
} |
| 267 |
|
| 268 |
/**
|
| 269 |
* Adds a DAL feature to the FeatureStore
|
| 270 |
* @param entry
|
| 271 |
* @param newGeom
|
| 272 |
* @throws CreateGeometryException
|
| 273 |
* @throws DataException
|
| 274 |
*/
|
| 275 |
public EditableFeature addFeature(Feature feature, org.gvsig.fmap.geom.Geometry newGeom) throws CreateGeometryException, DataException { |
| 276 |
if(acceptType(store, newGeom)) {
|
| 277 |
EditableFeature feat = store.createNewFeature(store.getDefaultFeatureType(), feature); |
| 278 |
feat.setGeometry(fieldNames.length, newGeom); |
| 279 |
store.insert(feat); |
| 280 |
return feat;
|
| 281 |
} |
| 282 |
return null; |
| 283 |
} |
| 284 |
|
| 285 |
/**
|
| 286 |
* Adds a DAL feature to the FeatureStore
|
| 287 |
* @param entry
|
| 288 |
* @param newGeom
|
| 289 |
* @throws CreateGeometryException
|
| 290 |
* @throws DataException
|
| 291 |
*/
|
| 292 |
public EditableFeature addGeometryToExistingFeature(EditableFeature feature, org.gvsig.fmap.geom.Geometry newGeom) throws CreateGeometryException, DataException { |
| 293 |
//Y esto para que c... sirve?
|
| 294 |
for (int i = 0; i < fieldNames.length; i++) |
| 295 |
feature.set(fieldNames[i], feature.get(i)); |
| 296 |
|
| 297 |
if(acceptType(store, newGeom)) {
|
| 298 |
feature.setGeometry(fieldNames.length, newGeom); |
| 299 |
store.update(feature); |
| 300 |
return feature;
|
| 301 |
} |
| 302 |
return null; |
| 303 |
} |
| 304 |
|
| 305 |
/**
|
| 306 |
* Ends the edition and closes the FeatureStore
|
| 307 |
*/
|
| 308 |
public void end() { |
| 309 |
try {
|
| 310 |
store.finishEditing(); |
| 311 |
} catch (DataException e) {
|
| 312 |
Sextante.addErrorToLog(e); |
| 313 |
} |
| 314 |
store.dispose(); |
| 315 |
} |
| 316 |
|
| 317 |
/**
|
| 318 |
* Gets the shape type of the selected feature store
|
| 319 |
* @param FeatureStore source
|
| 320 |
* @return shape type
|
| 321 |
* @throws ReadException
|
| 322 |
*/
|
| 323 |
public int getShapeType(FeatureStore storeLayer1) throws ReadException { |
| 324 |
FeatureType featureType; |
| 325 |
try {
|
| 326 |
featureType = storeLayer1.getDefaultFeatureType(); |
| 327 |
} catch (DataException e) {
|
| 328 |
throw new ReadException(storeLayer1.getName(), e); |
| 329 |
} |
| 330 |
int indexGeom = featureType.getDefaultGeometryAttributeIndex();
|
| 331 |
return featureType.getAttributeDescriptor(indexGeom).getGeometryType();
|
| 332 |
} |
| 333 |
|
| 334 |
/**
|
| 335 |
* Gets the output FeatureStore
|
| 336 |
* @return
|
| 337 |
*/
|
| 338 |
public FeatureStore getOutputFeatureStore() {
|
| 339 |
return store;
|
| 340 |
} |
| 341 |
} |
| 342 |
|