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 @ 268
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/**
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* gvSIG. Desktop Geographic Information System.
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*
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* Copyright (C) 2007-2012 gvSIG Association.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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* For any additional information, do not hesitate to contact us
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* at info AT gvsig.com, or visit our website www.gvsig.com.
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*/
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package org.gvsig.geoprocess.algorithm.base.core; |
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import java.util.ArrayList; |
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import org.gvsig.fmap.dal.exception.DataException; |
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import org.gvsig.fmap.dal.exception.ReadException; |
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import org.gvsig.fmap.dal.feature.EditableFeature; |
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import org.gvsig.fmap.dal.feature.Feature; |
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import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
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import org.gvsig.fmap.dal.feature.FeatureStore; |
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import org.gvsig.fmap.dal.feature.FeatureType; |
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import org.gvsig.fmap.geom.GeometryLocator; |
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import org.gvsig.fmap.geom.GeometryManager; |
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import org.gvsig.fmap.geom.Geometry.SUBTYPES; |
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import org.gvsig.fmap.geom.Geometry.TYPES; |
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import org.gvsig.fmap.geom.aggregate.MultiCurve; |
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import org.gvsig.fmap.geom.aggregate.MultiPoint; |
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import org.gvsig.fmap.geom.exception.CreateGeometryException; |
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import org.gvsig.fmap.geom.operation.GeometryOperationContext; |
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import org.gvsig.fmap.geom.operation.GeometryOperationException; |
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import org.gvsig.fmap.geom.operation.GeometryOperationNotSupportedException; |
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import org.gvsig.fmap.geom.operation.fromjts.FromJTS; |
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import org.gvsig.fmap.geom.primitive.Curve; |
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import org.gvsig.fmap.geom.primitive.Point; |
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import org.gvsig.geoprocess.algorithm.base.util.GeometryUtil; |
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import com.vividsolutions.jts.geom.Geometry; |
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import com.vividsolutions.jts.geom.GeometryCollection; |
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import com.vividsolutions.jts.geom.MultiLineString; |
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import com.vividsolutions.jts.geom.MultiPolygon; |
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import es.unex.sextante.core.Sextante; |
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/**
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* Writes features in a FeatureStore
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* @author Nacho Brodin (nachobrodin@gmail.com)
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*/
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public class DALFeaturePersister { |
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private FeatureStore store = null; |
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private String[] fieldNames = null; |
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private GeometryManager geometryManager = null; |
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/**
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* Sets the output FeatureType
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* @param out
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* @throws DataException
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*/
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public DALFeaturePersister(FeatureStore out, String[] fieldNames) { |
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this.store = out;
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this.fieldNames = fieldNames;
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try {
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if(!store.isEditing())
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store.edit(); |
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} catch (DataException e) {
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} catch (NullPointerException e) { |
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} |
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geometryManager = GeometryLocator.getGeometryManager(); |
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} |
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/**
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* Adds a JTS feature to the FeatureStore
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* @param entry
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* @param newGeom
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* @throws CreateGeometryException
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* @throws DataException
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*/
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public EditableFeature addFeature(Feature feature1, Feature feature2, Geometry newGeom)
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throws CreateGeometryException, DataException {
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int outPutType = getOutputFeatureStore().getDefaultFeatureType()
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.getDefaultGeometryAttribute().getGeomType().getType(); |
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//Si el objeto que viene es un GeometryCollection hay que convertirlo a una lista de geometrias
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//solo del tipo que pueda salvarse en la capa eliminando el resto. Esto sucede sobre todo en la intersecci?n
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//que devuelve tipos mezclados. Cada uno debe salvarse en el tipo de capa de salida apropiado
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ArrayList<org.gvsig.fmap.geom.Geometry> dalGeomList = null; |
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try {
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dalGeomList = convertGeometryCollection2GeometryList(newGeom, outPutType); |
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} catch (GeometryOperationNotSupportedException e1) {
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Sextante.addErrorToLog(e1); |
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} catch (GeometryOperationException e1) {
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Sextante.addErrorToLog(e1); |
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} |
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org.gvsig.fmap.geom.Geometry newDalGeom = null;
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//Si lo que venia no era un GeometryCollection se convierte a geometr?a de DAL
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if(dalGeomList == null) { |
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GeometryOperationContext ctx = new GeometryOperationContext();
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ctx.setAttribute(FromJTS.PARAM, newGeom); |
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try {
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newDalGeom = (org.gvsig.fmap.geom.Geometry)geometryManager.invokeOperation(FromJTS.NAME, ctx); |
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} catch (GeometryOperationNotSupportedException e) {
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Sextante.addErrorToLog(e); |
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return null; |
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} catch (GeometryOperationException e) {
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Sextante.addErrorToLog(e); |
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return null; |
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} |
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} |
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EditableFeature feat = store.createNewFeature(); |
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int globalIndex = 0; |
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int localIndex = 0; |
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Object value = feature1.get(localIndex);
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while(value != null && !(value instanceof org.gvsig.fmap.geom.Geometry)) { |
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feat.set(globalIndex, value); |
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value = feature1.get(++localIndex); |
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globalIndex ++; |
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} |
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localIndex = 0;
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value = feature2.get(localIndex); |
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while(value != null && !(value instanceof org.gvsig.fmap.geom.Geometry)) { |
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feat.set(globalIndex, value); |
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value = feature2.get(++localIndex); |
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globalIndex ++; |
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} |
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if(newDalGeom != null && acceptType(store, newDalGeom)) { |
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feat.setGeometry("GEOMETRY", convertGeometry2MultiGeometry(newDalGeom));
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store.insert(feat); |
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return feat;
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} else if(dalGeomList != null) { |
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for (int i = 0; i < dalGeomList.size(); i++) { |
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if(acceptType(store, dalGeomList.get(i))) {
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feat.setGeometry("GEOMETRY", convertGeometry2MultiGeometry(dalGeomList.get(i)));
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store.insert(feat); |
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} |
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} |
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return feat;
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} |
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return null; |
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} |
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/**
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* Converts a geometry collection from JTS to a list of geometries of the selected type.
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* The GeometryCollection is converted only when it is a heterogeneous collection of geometries
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* @param col
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* @param type
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* @return
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* @throws CreateGeometryException
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* @throws GeometryOperationException
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* @throws GeometryOperationNotSupportedException
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*/
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public ArrayList<org.gvsig.fmap.geom.Geometry> convertGeometryCollection2GeometryList(Geometry g, int type) throws GeometryOperationNotSupportedException, GeometryOperationException { |
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if( g instanceof GeometryCollection && |
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!(g instanceof com.vividsolutions.jts.geom.MultiLineString) &&
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!(g instanceof com.vividsolutions.jts.geom.MultiPoint) &&
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!(g instanceof com.vividsolutions.jts.geom.MultiPolygon)) {
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GeometryCollection col = (GeometryCollection)g; |
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ArrayList<org.gvsig.fmap.geom.Geometry> geometries = new ArrayList<org.gvsig.fmap.geom.Geometry>(); |
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if(type == TYPES.MULTIPOINT || type == TYPES.POINT) {
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for (int i = 0; i < col.getNumGeometries(); i++) { |
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Geometry gx = col.getGeometryN(i); |
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if( gx instanceof com.vividsolutions.jts.geom.Point || |
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gx instanceof com.vividsolutions.jts.geom.MultiPoint) {
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GeometryOperationContext ctx = new GeometryOperationContext();
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ctx.setAttribute(FromJTS.PARAM, gx); |
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org.gvsig.fmap.geom.Geometry newDalGeom = (org.gvsig.fmap.geom.Geometry)geometryManager.invokeOperation(FromJTS.NAME, ctx); |
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geometries.add(newDalGeom); |
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} |
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} |
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} |
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if(type == TYPES.MULTICURVE || type == TYPES.CURVE) {
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for (int i = 0; i < col.getNumGeometries(); i++) { |
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Geometry gx = col.getGeometryN(i); |
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if( gx instanceof com.vividsolutions.jts.geom.LineString || |
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gx instanceof com.vividsolutions.jts.geom.MultiLineString) {
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GeometryOperationContext ctx = new GeometryOperationContext();
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ctx.setAttribute(FromJTS.PARAM, gx); |
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org.gvsig.fmap.geom.Geometry newDalGeom = (org.gvsig.fmap.geom.Geometry)geometryManager.invokeOperation(FromJTS.NAME, ctx); |
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geometries.add(newDalGeom); |
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} |
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} |
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} |
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if(type == TYPES.MULTISURFACE || type == TYPES.SURFACE) {
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for (int i = 0; i < col.getNumGeometries(); i++) { |
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Geometry gx = col.getGeometryN(i); |
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if( gx instanceof com.vividsolutions.jts.geom.Polygon || |
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gx instanceof com.vividsolutions.jts.geom.MultiPolygon) {
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GeometryOperationContext ctx = new GeometryOperationContext();
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ctx.setAttribute(FromJTS.PARAM, gx); |
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org.gvsig.fmap.geom.Geometry newDalGeom = (org.gvsig.fmap.geom.Geometry)geometryManager.invokeOperation(FromJTS.NAME, ctx); |
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geometries.add(newDalGeom); |
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} |
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} |
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} |
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return geometries;
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} |
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return null; |
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} |
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/**
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* Converts a geometry into a multigeometry
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* @param g
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* @return
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* @throws CreateGeometryException
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*/
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private org.gvsig.fmap.geom.Geometry convertGeometry2MultiGeometry(org.gvsig.fmap.geom.Geometry g) throws CreateGeometryException { |
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if(g instanceof Point) { |
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MultiPoint pNew = (MultiPoint)geometryManager.create(TYPES.MULTIPOINT, SUBTYPES.GEOM2D); |
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pNew.addPoint((Point)g);
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return pNew;
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} |
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if(g instanceof Curve) { |
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MultiCurve cNew = (MultiCurve)geometryManager.create(TYPES.MULTICURVE, SUBTYPES.GEOM2D); |
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cNew.addCurve((Curve)g); |
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return cNew;
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} |
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return g;
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} |
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/**
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* Checks if the type of the feature store and the geometry are compatibles.
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* @param store
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* @param geom
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* @return
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* @throws ReadException
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*/
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private boolean acceptType(FeatureStore store, org.gvsig.fmap.geom.Geometry geom) throws ReadException { |
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int fType = getShapeType(store);
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int gType = geom.getType();
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if(fType == gType)
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return true; |
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if( fType == org.gvsig.fmap.geom.Geometry.TYPES.MULTICURVE &&
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gType == org.gvsig.fmap.geom.Geometry.TYPES.CURVE) |
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return true; |
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if( fType == org.gvsig.fmap.geom.Geometry.TYPES.MULTISURFACE &&
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gType == org.gvsig.fmap.geom.Geometry.TYPES.SURFACE) |
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return true; |
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if( fType == org.gvsig.fmap.geom.Geometry.TYPES.MULTIPOINT &&
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gType == org.gvsig.fmap.geom.Geometry.TYPES.POINT) |
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return true; |
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if( fType == org.gvsig.fmap.geom.Geometry.TYPES.MULTISOLID &&
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gType == org.gvsig.fmap.geom.Geometry.TYPES.SOLID) |
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return true; |
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return false; |
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} |
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/**
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* Adds a JTS feature to the FeatureStore
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* @param entry
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* @param newGeom
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* @throws CreateGeometryException
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* @throws DataException
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*/
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public EditableFeature addFeature(Feature feature, Geometry newGeom) throws CreateGeometryException, DataException { |
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org.gvsig.fmap.geom.Geometry newDalGeom = null;
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GeometryOperationContext ctx = new GeometryOperationContext();
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ctx.setAttribute(FromJTS.PARAM, newGeom); |
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try {
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newDalGeom = (org.gvsig.fmap.geom.Geometry)geometryManager.invokeOperation(FromJTS.NAME, ctx); |
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} catch (GeometryOperationNotSupportedException e) {
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Sextante.addErrorToLog(e); |
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return null; |
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} catch (GeometryOperationException e) {
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Sextante.addErrorToLog(e); |
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return null; |
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} |
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if(acceptType(store, newDalGeom)) {
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EditableFeature feat = store.createNewFeature(store.getDefaultFeatureType(), true);
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FeatureAttributeDescriptor[] attrDesc = feature.getType().getAttributeDescriptors();
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for (int i = 0; i < attrDesc.length; i++) { |
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String name = attrDesc[i].getName();
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if(name.compareTo("GEOMETRY") != 0) { |
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Object value = feature.get(name);
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if(value != null) { |
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feat.set(name, value); |
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} |
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} |
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} |
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feat.setGeometry("GEOMETRY", convertGeometry2MultiGeometry(newDalGeom));
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store.insert(feat); |
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return feat;
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} |
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return null; |
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} |
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/**
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* Adds a JTS feature to the FeatureStore
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* @param entry
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* @param newGeom
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* @throws CreateGeometryException
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* @throws DataException
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*/
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public EditableFeature addFeature(Geometry newGeom, int id, double value) throws CreateGeometryException, DataException { |
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org.gvsig.fmap.geom.Geometry newDalGeom = GeometryUtil.jtsToGeom(newGeom); |
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if(newDalGeom != null && acceptType(store, newDalGeom)) { |
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EditableFeature feat = store.createNewFeature(); |
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feat.set(0, id);
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feat.set(1, value);
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feat.setGeometry("GEOMETRY", convertGeometry2MultiGeometry(newDalGeom));
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store.insert(feat); |
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return feat;
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} |
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return null; |
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} |
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/**
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* Adds a JTS feature to the FeatureStore
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* @param entry
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* @param newGeom
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* @throws CreateGeometryException
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* @throws DataException
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*/
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public EditableFeature addFeature(Geometry newGeom, int id, double value1, double value2) throws CreateGeometryException, DataException { |
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org.gvsig.fmap.geom.Geometry newDalGeom = GeometryUtil.jtsToGeom(newGeom); |
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if(newDalGeom != null && acceptType(store, newDalGeom)) { |
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EditableFeature feat = store.createNewFeature(); |
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feat.set(0, id);
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feat.set(1, value1);
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feat.set(2, value2);
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feat.setGeometry("GEOMETRY", convertGeometry2MultiGeometry(newDalGeom));
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store.insert(feat); |
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return feat;
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} |
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return null; |
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} |
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/**
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* Adds a DAL feature to the FeatureStore when the field structure in the new feature
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* is different to the source field structure.
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* @param entry
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* @param newGeom
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* @throws CreateGeometryException
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* @throws DataException
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*/
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public EditableFeature addDifferentFieldFeature(Feature feature, org.gvsig.fmap.geom.Geometry newGeom) throws CreateGeometryException, DataException { |
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if(acceptType(store, newGeom)) {
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//Builds a new empty feature
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EditableFeature feat = store.createNewFeature(store.getDefaultFeatureType(), true);
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//Writes only values with the same name and data type in both features
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for (int i = 0; i < fieldNames.length; i++) { |
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if(feature.getType().getIndex(fieldNames[i]) != -1) { |
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Object obj1 = feature.get(fieldNames[i]);
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if(feat.getType().getIndex(fieldNames[i]) != -1) { |
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Object obj2 = feat.get(fieldNames[i]);
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if(obj1 != null && obj2 != null && obj1.getClass() == obj2.getClass()) |
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feat.set(i, obj1); |
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} |
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} |
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} |
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//Sets the geometry
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feat.setGeometry(fieldNames.length, newGeom); |
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store.insert(feat); |
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return feat;
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} |
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return null; |
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} |
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|
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/**
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* Adds a DAL feature to the FeatureStore
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* @param entry
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* @param newGeom
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* @throws CreateGeometryException
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* @throws DataException
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*/
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public EditableFeature addFeature(Feature feature, org.gvsig.fmap.geom.Geometry newGeom) throws CreateGeometryException, DataException { |
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if(acceptType(store, newGeom)) {
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EditableFeature feat = store.createNewFeature(store.getDefaultFeatureType(), feature); |
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feat.setGeometry(fieldNames.length, convertGeometry2MultiGeometry(newGeom)); |
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store.insert(feat); |
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return feat;
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} |
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return null; |
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} |
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|
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/**
|
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* Adds a DAL feature to the FeatureStore
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* @param entry
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* @param newGeom
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* @throws CreateGeometryException
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* @throws DataException
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*/
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public EditableFeature addGeometryToExistingFeature(EditableFeature feature, org.gvsig.fmap.geom.Geometry newGeom) throws CreateGeometryException, DataException { |
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//Y esto para que c... sirve?
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for (int i = 0; i < fieldNames.length; i++) |
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feature.set(fieldNames[i], feature.get(i)); |
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if(acceptType(store, newGeom)) {
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feature.setGeometry(fieldNames.length, newGeom); |
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store.update(feature); |
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return feature;
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} |
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return null; |
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} |
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|
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/**
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* Ends the edition and closes the FeatureStore
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*/
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public void end() { |
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try {
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store.finishEditing(); |
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} catch (DataException e) {
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Sextante.addErrorToLog(e); |
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} |
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store.dispose(); |
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} |
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|
| 433 |
/**
|
| 434 |
* Gets the shape type of the selected feature store
|
| 435 |
* @param FeatureStore source
|
| 436 |
* @return shape type
|
| 437 |
* @throws ReadException
|
| 438 |
*/
|
| 439 |
public int getShapeType(FeatureStore storeLayer1) throws ReadException { |
| 440 |
FeatureType featureType; |
| 441 |
try {
|
| 442 |
featureType = storeLayer1.getDefaultFeatureType(); |
| 443 |
} catch (DataException e) {
|
| 444 |
throw new ReadException(storeLayer1.getName(), e); |
| 445 |
} |
| 446 |
int indexGeom = featureType.getDefaultGeometryAttributeIndex();
|
| 447 |
return featureType.getAttributeDescriptor(indexGeom).getGeometryType();
|
| 448 |
} |
| 449 |
|
| 450 |
/**
|
| 451 |
* Gets the output FeatureStore
|
| 452 |
* @return
|
| 453 |
*/
|
| 454 |
public FeatureStore getOutputFeatureStore() {
|
| 455 |
return store;
|
| 456 |
} |
| 457 |
} |
| 458 |
|