svn-gvsig-desktop / branches / v2_0_0_prep / libraries / libFMap_dalfile / src / org / gvsig / fmap / dal / store / shp / SHPStoreProvider.java @ 39619
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/* gvSIG. Geographic Information System of the Valencian Government
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*
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* Copyright (C) 2007-2008 Infrastructures and Transports Department
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* of the Valencian Government (CIT)
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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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*/
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/*
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* AUTHORS (In addition to CIT):
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* 2008 IVER T.I. S.A. {{Task}}
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*/
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package org.gvsig.fmap.dal.store.shp; |
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import java.io.File; |
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import java.io.IOException; |
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import java.util.Iterator; |
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import org.apache.commons.io.FileUtils; |
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import org.cresques.cts.IProjection; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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import org.gvsig.fmap.dal.DataStore; |
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import org.gvsig.fmap.dal.DataTypes; |
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import org.gvsig.fmap.dal.FileHelper; |
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import org.gvsig.fmap.dal.exception.CloseException; |
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import org.gvsig.fmap.dal.exception.DataException; |
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import org.gvsig.fmap.dal.exception.InitializeException; |
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import org.gvsig.fmap.dal.exception.OpenException; |
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import org.gvsig.fmap.dal.exception.ReadException; |
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import org.gvsig.fmap.dal.feature.EditableFeatureAttributeDescriptor; |
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import org.gvsig.fmap.dal.feature.EditableFeatureType; |
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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.FeatureSet; |
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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.dal.feature.exception.PerformEditingException; |
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import org.gvsig.fmap.dal.feature.spi.FeatureProvider; |
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import org.gvsig.fmap.dal.resource.ResourceAction; |
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import org.gvsig.fmap.dal.resource.exception.ResourceException; |
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import org.gvsig.fmap.dal.resource.exception.ResourceExecuteException; |
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import org.gvsig.fmap.dal.resource.exception.ResourceNotifyChangesException; |
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import org.gvsig.fmap.dal.resource.exception.ResourceNotifyCloseException; |
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import org.gvsig.fmap.dal.resource.exception.ResourceNotifyOpenException; |
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import org.gvsig.fmap.dal.resource.file.FileResource; |
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import org.gvsig.fmap.dal.resource.spi.MultiResource; |
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import org.gvsig.fmap.dal.resource.spi.ResourceProvider; |
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import org.gvsig.fmap.dal.spi.DataStoreProviderServices; |
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import org.gvsig.fmap.dal.store.dbf.DBFStoreParameters; |
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import org.gvsig.fmap.dal.store.dbf.DBFStoreProvider; |
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import org.gvsig.fmap.dal.store.shp.utils.SHPFile; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.Geometry.SUBTYPES; |
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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.CreateEnvelopeException; |
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import org.gvsig.fmap.geom.exception.CreateGeometryException; |
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import org.gvsig.fmap.geom.primitive.Envelope; |
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import org.gvsig.fmap.mapcontext.MapContextLocator; |
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import org.gvsig.fmap.mapcontext.MapContextManager; |
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import org.gvsig.tools.dispose.DisposableIterator; |
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import org.gvsig.tools.dynobject.exception.DynFieldNotFoundException; |
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import org.gvsig.tools.exception.BaseException; |
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public class SHPStoreProvider extends DBFStoreProvider { |
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private static final GeometryManager geomManager = GeometryLocator.getGeometryManager(); |
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private static final Logger logger = LoggerFactory.getLogger(GeometryManager.class); |
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public static String NAME = "Shape"; |
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public static String DESCRIPTION = "Shape file"; |
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private SHPFile shpFile;
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private MultiResource resource;
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protected static final String GEOMETRY_ATTIBUTE_NAME = "GEOMETRY"; |
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public static final String METADATA_DEFINITION_NAME = NAME; |
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private SHPFeatureWriter writer = null; |
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public SHPStoreProvider(SHPStoreParameters params,
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DataStoreProviderServices storeServices) |
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throws InitializeException {
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super(
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params, |
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storeServices, |
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FileHelper.newMetadataContainer(METADATA_DEFINITION_NAME) |
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); |
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} |
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protected void init(DBFStoreParameters params, |
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DataStoreProviderServices storeServices) throws InitializeException {
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this.shpFile = new SHPFile((SHPStoreParameters) params); |
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super.init(params, storeServices);
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} |
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public Object getDynValue(String name) throws DynFieldNotFoundException { |
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if( DataStore.METADATA_CRS.equalsIgnoreCase(name) ) {
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/*
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* String srs = this.shpFile.getSRSParameters();
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if (srs != null){
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// This can be non null but not sure how to handle
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}
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*/
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return this.getShpParameters().getCRS(); |
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} else if( DataStore.METADATA_ENVELOPE.equalsIgnoreCase(name) ) { |
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try {
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return this.shpFile.getFullExtent(); |
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} catch (ReadException e) {
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return null; |
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} |
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} |
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return super.getDynValue(name); |
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} |
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protected void initResource(DBFStoreParameters params, |
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DataStoreProviderServices storeServices) throws InitializeException {
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SHPStoreParameters shpParams = (SHPStoreParameters) params; |
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resource = |
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(MultiResource) createResource(MultiResource.TYPE_NAME, |
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new Object[] { shpParams.getSHPFileName() }); |
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resource.addResource(FileResource.NAME, |
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new Object[] { shpParams.getSHPFileName() }, true); |
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resource.addResource(FileResource.NAME, |
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new Object[] { shpParams.getSHXFileName() }, true); |
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resource.addResource(FileResource.NAME, |
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new Object[] { shpParams.getDBFFileName() }, true); |
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resource.addConsumer(this);
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}; |
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public ResourceProvider getResource() {
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return resource;
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} |
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/**
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*
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* @throws ResourceNotifyChangesException
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*/
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protected void resourcesNotifyChanges() |
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throws ResourceNotifyChangesException {
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// super.resourcesNotifyChanges();
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// this.shpResource.notifyChanges();
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// this.shxResource.notifyChanges();
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getResource().notifyChanges(); |
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// TODO .prj
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} |
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/**
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* @throws ResourceNotifyCloseException
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*
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*/
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protected void resourcesNotifyClose() throws ResourceNotifyCloseException { |
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// super.resourcesNotifyClose();
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// this.shpResource.notifyClose();
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// this.shxResource.notifyClose();
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getResource().notifyClose(); |
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// TODO .prj
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} |
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@Override
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protected void doDispose() throws BaseException { |
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super.doDispose();
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getResource().removeConsumer(this);
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this.writer = null; |
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this.shpFile = null; |
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} |
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protected void disposeResource() { |
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getResource().removeConsumer(this);
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} |
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/**
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* @throws ResourceNotifyOpenException
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*
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*/
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protected void resourcesOpen() throws ResourceNotifyOpenException { |
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// super.resourcesOpen();
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// this.shpResource.notifyOpen();
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// this.shxResource.notifyOpen();
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getResource().notifyOpen(); |
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} |
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protected static EditableFeatureAttributeDescriptor addGeometryColumn( |
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EditableFeatureType fType) {
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EditableFeatureAttributeDescriptor attrTmp = null;
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EditableFeatureAttributeDescriptor attr = null;
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Iterator iter = fType.iterator();
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while (iter.hasNext()) {
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attrTmp = (EditableFeatureAttributeDescriptor) iter.next(); |
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if (attrTmp.getType() == DataTypes.GEOMETRY) {
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if (attr != null) { |
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// Two geom fields not allowed
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fType.remove(attrTmp.getName()); |
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} else {
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attr = attrTmp; |
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attr.setName(GEOMETRY_ATTIBUTE_NAME); |
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} |
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} |
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} |
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if (attr == null){ |
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attr = fType.add( |
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GEOMETRY_ATTIBUTE_NAME, DataTypes.GEOMETRY); |
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try {
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attr.setDefaultValue(geomManager |
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.createNullGeometry(SUBTYPES.GEOM2D)); |
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} catch (CreateGeometryException e) {
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logger.error("Error creating the envelope", e);
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} |
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} |
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attr.setObjectClass(Geometry.class); |
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fType.setDefaultGeometryAttributeName(attr.getName()); |
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return attr;
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} |
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protected static FeatureType removeGeometryColumn( |
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EditableFeatureType fType) {
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Iterator iter = fType.iterator();
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FeatureAttributeDescriptor attr; |
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while (iter.hasNext()) {
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attr = (FeatureAttributeDescriptor) iter.next(); |
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if (attr.getType() == DataTypes.GEOMETRY) {
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iter.remove(); |
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} |
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} |
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fType.setDefaultGeometryAttributeName(null);
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return fType.getNotEditableCopy();
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} |
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protected EditableFeatureType getTheFeatureType()
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throws InitializeException, OpenException {
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final EditableFeatureType fType = super.getTheFeatureType(); |
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this.open();
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// try {
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// this.resourcesBegin();
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// } catch (DataException e) {
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// throw new InitializeException(this.getName(), e);
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// }
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try {
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getResource().execute(new ResourceAction() {
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public Object run() throws Exception { |
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EditableFeatureAttributeDescriptor attr = |
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addGeometryColumn(fType); |
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attr.setGeometryType(shpFile.getGeometryType()); |
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attr.setGeometrySubType(shpFile.getGeometrySubType()); |
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IProjection srs = getShpParameters().getCRS(); |
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if (srs == null) { |
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MapContextManager mcm = MapContextLocator.getMapContextManager(); |
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srs = mcm.getDefaultCRS(); |
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} |
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attr.setSRS(srs); |
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return null; |
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} |
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}); |
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return fType;
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} catch (ResourceExecuteException e) {
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throw new InitializeException(e); |
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// } finally {
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// this.resourcesEnd();
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} |
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} |
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// private String getSRSFromPrj(String srsParameters) {
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// // TODO identificar que SRS hay que usar, ya sea
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// // el que se recibe de los parametros o el que
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// // conicida con el que se ha encontrado en el
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// // prg... y si ninguna de las dos que?
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// return null;
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// }
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protected SHPStoreParameters getShpParameters() {
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return (SHPStoreParameters) getParameters();
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} |
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public String getProviderName() { |
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return NAME;
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} |
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public boolean allowWrite() { |
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return this.shpFile.isEditable(); |
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} |
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/**
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*
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* @param index
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* @param featureType
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* @return
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* @throws ReadException
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*/
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protected FeatureProvider getFeatureProviderByIndex(long index, |
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FeatureType featureType) throws DataException {
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// this.open();
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// this.resourcesBegin();
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try {
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FeatureProvider featureProvider = super.getFeatureProviderByIndex(index,
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featureType); |
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featureProvider.setDefaultEnvelope(this.shpFile.getBoundingBox(index));
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return featureProvider;
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} catch (DataException e) {
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throw e;
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} catch (CreateEnvelopeException e) {
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throw new org.gvsig.fmap.dal.feature.exception.CreateGeometryException(e); |
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} catch (CreateGeometryException e) {
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throw new org.gvsig.fmap.dal.feature.exception.CreateGeometryException(e); |
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} |
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} |
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protected void initFeatureProviderByIndex(FeatureProvider featureProvider, |
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long index, FeatureType featureType) throws DataException { |
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// this.open();
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// this.resourcesBegin();
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try {
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super.initFeatureProviderByIndex(featureProvider, index, featureType);
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featureProvider.setDefaultEnvelope(this.shpFile.getBoundingBox(index));
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} catch (CreateEnvelopeException e) {
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throw new org.gvsig.fmap.dal.feature.exception.CreateGeometryException(e); |
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} catch (CreateGeometryException e) {
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throw new org.gvsig.fmap.dal.feature.exception.CreateGeometryException(e); |
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} |
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} |
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/**
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*
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* @param featureProvider
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* @throws DataException
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*/
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protected void loadFeatureProviderByIndex(FeatureProvider featureProvider) |
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throws DataException {
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// this.open();
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// this.resourcesBegin();
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// try {
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FeatureType featureType = featureProvider.getType(); |
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long index = ((Long) featureProvider.getOID()).longValue(); |
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boolean hasGeometry = false; |
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if (featureType.getIndex(featureType.getDefaultGeometryAttributeName()) >= 0) { |
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try {
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featureProvider.setDefaultGeometry(this.shpFile.getGeometry(index));
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hasGeometry = true;
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} catch (CreateGeometryException e) {
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throw new ReadException(getProviderName(), e); |
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} |
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} |
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if (hasDBFAttributes(featureType, hasGeometry)) {
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super.loadFeatureProviderByIndex(featureProvider);
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} |
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// } finally {
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// this.resourcesEnd();
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// }
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} |
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private boolean hasDBFAttributes(FeatureType featureType, |
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boolean hasGeometry) {
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FeatureAttributeDescriptor[] attributes =
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featureType.getAttributeDescriptors(); |
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// If there aren't any attributes, nor has any DBF attributes
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if (attributes == null || attributes.length == 0) { |
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return false; |
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} |
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// If there is only one attribute and it is the geometry one
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if (attributes.length == 1 && hasGeometry) { |
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return false; |
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} |
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// In any other case
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return true; |
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} |
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protected void loadValue(FeatureProvider featureProvider, int rowIndex, |
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FeatureAttributeDescriptor descriptor) throws ReadException {
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if (descriptor.getType() == DataTypes.GEOMETRY) {
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return;
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} else {
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super.loadValue(featureProvider, rowIndex, descriptor);
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} |
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} |
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public FeatureProvider createFeatureProvider(FeatureType type) throws DataException { |
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FeatureProvider data = new SHPFeatureProvider(this, type); |
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return data;
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} |
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protected void openFile() throws IOException, DataException { |
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super.openFile();
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this.shpFile.open();
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} |
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protected void closeFile() throws CloseException { |
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super.closeFile();
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if (!this.shpFile.isOpen()) { |
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return;
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} |
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this.shpFile.close();
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} |
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public boolean canWriteGeometry(final int geometryType, int geometrySubType) |
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throws DataException {
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this.open();
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return ((Boolean) getResource().execute(new ResourceAction() { |
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public Object run() throws Exception { |
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boolean value = shpFile.canWriteGeometry(geometryType);
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return value ? Boolean.TRUE : Boolean.FALSE; |
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} |
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})).booleanValue(); |
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// this.resourcesBegin();
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// try {
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// return this.shpFile.canWriteGeometry(geometryType);
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//
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// } finally {
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// this.resourcesEnd();
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// }
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} |
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public void performChanges(Iterator deleteds, Iterator inserteds, |
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Iterator updateds, Iterator originalFeatureTypesUpdated) throws PerformEditingException { |
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final FeatureType fType;
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try {
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fType = this.getStoreServices().getDefaultFeatureType();
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} catch (DataException e) {
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throw new PerformEditingException(this.getProviderName(), e); |
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} |
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// TODO Comprobar el campo de geometria
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final EditableFeatureType dbfFtype = fType.getEditable();
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removeGeometryColumn(dbfFtype); |
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// try {
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// this.resourcesBegin();
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// } catch (ResourceExecuteException e1) {
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// throw new PerformEditingException(this.getName(), e1);
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// }
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try {
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|
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getResource().execute(new ResourceAction() {
|
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public Object run() throws Exception { |
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FeatureSet set = null;
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DisposableIterator iter = null;
|
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try {
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set = getFeatureStore().getFeatureSet(); |
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writer = new SHPFeatureWriter(getProviderName());
|
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|
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SHPStoreParameters shpParams = getShpParameters(); |
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SHPStoreParameters tmpParams = |
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(SHPStoreParameters) shpParams.getCopy(); |
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|
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File tmp_base = File.createTempFile( |
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"tmp_" + System.currentTimeMillis(), null); |
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String str_base = tmp_base.getCanonicalPath();
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tmpParams.setDBFFile(str_base + ".dbf");
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tmpParams.setSHPFile(str_base + ".shp");
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tmpParams.setSHXFile(str_base + ".shx");
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writer.begin(tmpParams, fType, dbfFtype, set.getSize()); |
| 492 |
|
| 493 |
iter = set.fastIterator(); |
| 494 |
while (iter.hasNext()) {
|
| 495 |
Feature feature = (Feature) iter.next(); |
| 496 |
writer.append(feature); |
| 497 |
} |
| 498 |
|
| 499 |
writer.end(); |
| 500 |
|
| 501 |
close(); |
| 502 |
resourceCloseRequest(); |
| 503 |
|
| 504 |
if (!shpParams.getDBFFile().delete()) {
|
| 505 |
throw new PerformEditingException(getProviderName(), |
| 506 |
new IOException(shpParams.getDBFFileName())); |
| 507 |
} |
| 508 |
if (!shpParams.getSHPFile().delete()) {
|
| 509 |
throw new PerformEditingException(getProviderName(), |
| 510 |
new IOException(shpParams.getSHPFileName())); |
| 511 |
} |
| 512 |
if (!shpParams.getSHXFile().delete()) {
|
| 513 |
throw new PerformEditingException(getProviderName(), |
| 514 |
new IOException(shpParams.getSHXFileName())); |
| 515 |
} |
| 516 |
|
| 517 |
if (!tmpParams.getDBFFile().renameTo(
|
| 518 |
shpParams.getDBFFile())) {
|
| 519 |
logger.info("Warning: copying tmp file instead of renaming: "
|
| 520 |
+ shpParams.getDBFFile()); |
| 521 |
FileUtils.copyFile( |
| 522 |
tmpParams.getDBFFile(), |
| 523 |
shpParams.getDBFFile()); |
| 524 |
} |
| 525 |
if (!tmpParams.getSHPFile().renameTo(
|
| 526 |
shpParams.getSHPFile())) {
|
| 527 |
logger.info("Warning: copying tmp file instead of renaming: "
|
| 528 |
+ shpParams.getSHPFile()); |
| 529 |
FileUtils.copyFile( |
| 530 |
tmpParams.getSHPFile(), |
| 531 |
shpParams.getSHPFile()); |
| 532 |
} |
| 533 |
if (!tmpParams.getSHXFile().renameTo(
|
| 534 |
shpParams.getSHXFile())) {
|
| 535 |
logger.info("Warning: copying tmp file instead of renaming: "
|
| 536 |
+ shpParams.getSHXFile()); |
| 537 |
FileUtils.copyFile( |
| 538 |
tmpParams.getSHXFile(), |
| 539 |
shpParams.getSHXFile()); |
| 540 |
} |
| 541 |
|
| 542 |
resourcesNotifyChanges(); |
| 543 |
initFeatureType(); |
| 544 |
return null; |
| 545 |
} finally {
|
| 546 |
dispose(set); |
| 547 |
dispose(iter); |
| 548 |
} |
| 549 |
} |
| 550 |
}); |
| 551 |
|
| 552 |
} catch (Exception e) { |
| 553 |
throw new PerformEditingException(this.getProviderName(), e); |
| 554 |
// } finally {
|
| 555 |
// this.resourcesEnd();
|
| 556 |
} |
| 557 |
|
| 558 |
|
| 559 |
} |
| 560 |
|
| 561 |
protected void resourceCloseRequest() throws ResourceException { |
| 562 |
// super.resourceCloseRequest();
|
| 563 |
// this.shpResource.closeRequest();
|
| 564 |
// this.shxResource.closeRequest();
|
| 565 |
getResource().closeRequest(); |
| 566 |
} |
| 567 |
|
| 568 |
public Envelope getEnvelope() throws DataException { |
| 569 |
this.open();
|
| 570 |
return (Envelope) this.getDynValue("Envelope"); |
| 571 |
} |
| 572 |
|
| 573 |
public void append(final FeatureProvider featureProvider) throws DataException { |
| 574 |
// this.resourcesBegin();
|
| 575 |
// try {
|
| 576 |
|
| 577 |
getResource().execute(new ResourceAction() {
|
| 578 |
public Object run() throws Exception { |
| 579 |
writer.append(getStoreServices().createFeature(featureProvider)); |
| 580 |
return null; |
| 581 |
} |
| 582 |
}); |
| 583 |
// } finally {
|
| 584 |
// this.resourcesEnd();
|
| 585 |
// }
|
| 586 |
|
| 587 |
} |
| 588 |
|
| 589 |
public void beginAppend() throws DataException { |
| 590 |
// this.resourcesBegin();
|
| 591 |
// try {
|
| 592 |
|
| 593 |
getResource().execute(new ResourceAction() {
|
| 594 |
public Object run() throws Exception { |
| 595 |
FeatureStore store = getFeatureStore(); |
| 596 |
FeatureType fType = store.getDefaultFeatureType(); |
| 597 |
|
| 598 |
// TODO Comprobar el campo de geometria
|
| 599 |
|
| 600 |
EditableFeatureType dbfFtype = fType.getEditable(); |
| 601 |
|
| 602 |
removeGeometryColumn(dbfFtype); |
| 603 |
FeatureSet set = store.getFeatureSet(); |
| 604 |
|
| 605 |
writer = new SHPFeatureWriter(getProviderName());
|
| 606 |
|
| 607 |
writer.begin(getShpParameters(), fType, dbfFtype, set.getSize()); |
| 608 |
return null; |
| 609 |
} |
| 610 |
}); |
| 611 |
// } finally {
|
| 612 |
// this.resourcesEnd();
|
| 613 |
// }
|
| 614 |
|
| 615 |
} |
| 616 |
|
| 617 |
public void endAppend() throws DataException { |
| 618 |
// this.resourcesBegin();
|
| 619 |
// try {
|
| 620 |
getResource().execute(new ResourceAction() {
|
| 621 |
public Object run() throws Exception { |
| 622 |
writer.end(); |
| 623 |
resourcesNotifyChanges(); |
| 624 |
return null; |
| 625 |
} |
| 626 |
}); |
| 627 |
// } finally {
|
| 628 |
// this.resourcesEnd();
|
| 629 |
// }
|
| 630 |
|
| 631 |
} |
| 632 |
|
| 633 |
public Object getSourceId() { |
| 634 |
return this.getShpParameters().getFile(); |
| 635 |
} |
| 636 |
} |