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 @ 237
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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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package org.gvsig.geoprocess.algorithm.base.core; |
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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.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.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.geoprocess.algorithm.base.util.GeometryUtil; |
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import com.vividsolutions.jts.geom.Geometry; |
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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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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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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(acceptType(store, newDalGeom)) {
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feat.setGeometry("GEOMETRY", 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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* 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(), feature); |
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feat.setGeometry("GEOMETRY", 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", 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", 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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* 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, 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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* 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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* 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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/**
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* Gets the shape type of the selected feature store
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* @param FeatureStore source
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* @return shape type
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* @throws ReadException
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*/
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public int getShapeType(FeatureStore storeLayer1) throws ReadException { |
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FeatureType featureType; |
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try {
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featureType = storeLayer1.getDefaultFeatureType(); |
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} catch (DataException e) {
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throw new ReadException(storeLayer1.getName(), e); |
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} |
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int indexGeom = featureType.getDefaultGeometryAttributeIndex();
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return featureType.getAttributeDescriptor(indexGeom).getGeometryType();
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} |
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/**
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* Gets the output FeatureStore
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* @return
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*/
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public FeatureStore getOutputFeatureStore() {
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return store;
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} |
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} |
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