svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.library / org.gvsig.exportto / org.gvsig.exportto.swing / org.gvsig.exportto.swing.prov / org.gvsig.exportto.swing.prov.jdbc / src / main / java / org / gvsig / exportto / swing / prov / jdbc / ExporrtoJDBCService.java @ 41488
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/**
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* gvSIG. Desktop Geographic Information System.
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*
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* Copyright (C) 2007-2013 gvSIG Association.
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*
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* This program is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License as published by the Free Software
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* Foundation; either version 3 of the License, or (at your option) any later
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* version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc., 51
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* Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* For any additional information, do not hesitate to contact us at info AT
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* gvsig.com, or visit our website www.gvsig.com.
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*/
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package org.gvsig.exportto.swing.prov.jdbc; |
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import org.cresques.cts.ICoordTrans; |
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import org.cresques.cts.IProjection; |
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import org.gvsig.exportto.ExporttoService; |
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import org.gvsig.exportto.ExporttoServiceException; |
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import org.gvsig.exportto.ExporttoServiceFinishAction; |
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import org.gvsig.fmap.dal.DALLocator; |
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import org.gvsig.fmap.dal.DataManager; |
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import org.gvsig.fmap.dal.DataTypes; |
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import org.gvsig.fmap.dal.feature.EditableFeature; |
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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.NewFeatureStoreParameters; |
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import org.gvsig.fmap.dal.store.jdbc.JDBCServerExplorer; |
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import org.gvsig.fmap.dal.store.jdbc.JDBCServerExplorerParameters; |
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import org.gvsig.fmap.dal.store.jdbc.JDBCStoreParameters; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.tools.dispose.DisposableIterator; |
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import org.gvsig.tools.task.AbstractMonitorableTask; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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/**
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* @author gvSIG Team
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* @version $Id$
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*
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*/
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public class ExporrtoJDBCService extends AbstractMonitorableTask implements |
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ExporttoService { |
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private static final Logger logger = LoggerFactory.getLogger(ExporrtoJDBCService.class); |
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public static final int CHECK_NONE = 0; |
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public static final int CHECK_IF_CORRUPT = 1; |
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public static final int CHECK_IF_VALID = 2; |
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public static final int ACTION_SET_GEOMETRY_TO_NULL = 0; |
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public static final int ACTION_SKIP_FEATURE = 1; |
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public static final int ACTION_ABORT = 2; |
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private final FeatureStore source; |
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private final JDBCServerExplorerParameters explorerParameters; |
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private final String tableName; |
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private final String pkname; |
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private final int geometryChecks; |
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private final int geometryChecksAction; |
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private final IProjection tarjetProjection; |
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private final boolean canCreateTable; |
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private final boolean tryToFixGeometries; |
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private ExporttoServiceFinishAction exporttoServiceFinishAction = null; |
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public ExporrtoJDBCService(FeatureStore source,
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JDBCServerExplorerParameters explorerParameters, |
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String tablename,
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String primaryKeyName,
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IProjection tarjetProjection, |
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boolean canCreatetable,
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int geometryChecks,
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int geometryChecksAction,
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boolean tryToFixGeometries) {
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this.source = source;
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this.explorerParameters = explorerParameters;
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this.tableName = tablename;
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this.pkname = primaryKeyName;
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this.tarjetProjection = tarjetProjection;
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this.canCreateTable = canCreatetable;
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this.geometryChecks = geometryChecks;
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this.geometryChecksAction = geometryChecksAction;
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this.tryToFixGeometries = tryToFixGeometries;
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} |
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protected void createTable(JDBCServerExplorer explorer) throws Exception { |
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FeatureType targetFeatureType; |
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EditableFeatureType targetEditableFeatureType; |
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targetFeatureType = source.getDefaultFeatureType().getCopy(); |
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targetEditableFeatureType = targetFeatureType.getEditable(); |
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if (this.pkname != null) { |
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EditableFeatureAttributeDescriptor pk = (EditableFeatureAttributeDescriptor) targetEditableFeatureType.get(pkname); |
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if (pk == null) { |
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pk = targetEditableFeatureType.add(this.pkname, DataTypes.LONG);
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pk.setIsPrimaryKey(true);
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pk.setIsAutomatic(true);
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} else {
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pk.setIsPrimaryKey(true);
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} |
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} |
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// ======================================================
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// Reprojection: set SRS of geometry field to target SRS
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EditableFeatureAttributeDescriptor attrdescriptor |
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= (EditableFeatureAttributeDescriptor) targetEditableFeatureType.getDefaultGeometryAttribute(); |
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if (attrdescriptor != null) { |
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attrdescriptor.setSRS(this.tarjetProjection);
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} |
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// ======================================
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NewFeatureStoreParameters createTableParams = (NewFeatureStoreParameters) explorer.getAddParameters(); |
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createTableParams.setDefaultFeatureType(targetEditableFeatureType); |
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//createTableParams.setTable(this.tableName); // ?????
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explorer.add(explorer.getStoreName(), createTableParams, true);
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} |
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private static class InvalidGeometryException extends ExporttoServiceException { |
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public InvalidGeometryException(Feature feature, String checkMessage) { |
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super(checkMessage, null, checkMessage, 0); |
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this.feature = feature;
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} |
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} |
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public void export(FeatureSet featureSet) throws ExporttoServiceException { |
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Geometry.ValidationStatus geometryCheck; |
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DisposableIterator it = null;
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EditableFeature targetFeature = null;
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FeatureStore target = null;
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try {
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// ======================================
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// Reprojection
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FeatureAttributeDescriptor geo_att = source.getDefaultFeatureType().getDefaultGeometryAttribute(); |
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IProjection sourceProjection = null;
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ICoordTrans coord_trans = null;
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Geometry reproj_geom = null;
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if (geo_att != null) { |
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sourceProjection = geo_att.getSRS(); |
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// this comparison is perhaps too preventive
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// we could have two instances of same projection
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// so we would do more computations than needed
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if (sourceProjection != this.tarjetProjection) { |
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coord_trans = sourceProjection.getCT(this.tarjetProjection);
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} |
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} |
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// ============================================
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DataManager dataManager = DALLocator.getDataManager(); |
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JDBCServerExplorer explorer = (JDBCServerExplorer) dataManager.openServerExplorer( |
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this.explorerParameters.getExplorerName(),
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this.explorerParameters
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); |
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if (this.canCreateTable) { |
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this.createTable(explorer);
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} |
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JDBCStoreParameters openParams = (JDBCStoreParameters) explorer.getOpenParameters(); |
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openParams.setTable(this.tableName);
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openParams.setCRS(this.tarjetProjection);
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openParams.setDefaultGeometryField( |
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source.getDefaultFeatureType().getDefaultGeometryAttributeName() |
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); |
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target = (FeatureStore) explorer.open(openParams); |
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FeatureType targetFeatureType = target.getDefaultFeatureType(); |
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target.edit(FeatureStore.MODE_APPEND); |
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int featureCount = 1; |
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taskStatus.setRangeOfValues(0, featureSet.getSize());
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it = featureSet.fastIterator(); |
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while (it.hasNext()) {
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Feature feature = (Feature) it.next(); |
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targetFeature = target.createNewFeature(targetFeatureType, feature); |
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Geometry geometry = targetFeature.getDefaultGeometry(); |
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if (geometry != null) { |
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switch (this.geometryChecks) { |
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case CHECK_IF_CORRUPT:
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geometryCheck = geometry.getValidationStatus(); |
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if (geometryCheck.getStatusCode() == Geometry.ValidationStatus.CURRUPTED) {
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switch (this.geometryChecksAction) { |
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case ACTION_SET_GEOMETRY_TO_NULL:
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targetFeature.setDefaultGeometry(null);
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break;
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case ACTION_SKIP_FEATURE:
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continue;
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case ACTION_ABORT:
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default:
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throw new InvalidGeometryException(targetFeature, geometryCheck.getMessage()); |
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} |
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} |
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break;
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case CHECK_IF_VALID:
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geometryCheck = geometry.getValidationStatus(); |
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if (!geometryCheck.isValid()) {
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Geometry g = null;
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if (this.tryToFixGeometries) { |
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g = geometry.makeValid(); |
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if (g != null) { |
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targetFeature.setDefaultGeometry(g); |
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} |
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} |
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if (g == null) { |
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switch (this.geometryChecksAction) { |
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case ACTION_SET_GEOMETRY_TO_NULL:
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targetFeature.setDefaultGeometry(null);
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break;
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case ACTION_SKIP_FEATURE:
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continue;
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case ACTION_ABORT:
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default:
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throw new InvalidGeometryException(targetFeature, geometryCheck.getMessage()); |
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} |
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} |
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} |
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break;
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case CHECK_NONE:
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default:
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break;
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} |
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// ================================================
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// Reprojection
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if (geo_att != null && coord_trans != null) { |
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reproj_geom = targetFeature.getDefaultGeometry(); |
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reproj_geom = reproj_geom.cloneGeometry(); |
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reproj_geom.reProject(coord_trans); |
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targetFeature.setDefaultGeometry(reproj_geom); |
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} |
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// ================================================
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} |
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target.insert(targetFeature); |
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this.taskStatus.setCurValue(featureCount);
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if (this.taskStatus.isCancellationRequested()) { |
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return;
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} |
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featureCount++; |
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} |
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targetFeature = null;
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target.finishEditing(); |
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if (exporttoServiceFinishAction != null) { |
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exporttoServiceFinishAction.finished( |
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this.tableName + " (" + explorer.getStoreName() + ")", |
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openParams); |
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} |
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} catch (Exception e) { |
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logger.warn("Can't export data.", e);
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taskStatus.message(e.getMessage()); |
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throw new ExporttoServiceException(e, targetFeature); |
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} finally {
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if (it != null) { |
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it.dispose(); |
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} |
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featureSet.dispose(); |
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if (target != null) { |
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target.dispose(); |
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} |
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this.taskStatus.terminate();
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this.taskStatus.remove();
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} |
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} |
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public void setFinishAction( |
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ExporttoServiceFinishAction exporttoServiceFinishAction) { |
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this.exporttoServiceFinishAction = exporttoServiceFinishAction;
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} |
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} |