svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.dal / org.gvsig.fmap.dal.file / org.gvsig.fmap.dal.file.csv / src / main / java / org / gvsig / fmap / dal / store / csv / CSVStoreProvider.java @ 41617
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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
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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 3
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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.fmap.dal.store.csv; |
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|
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import java.io.File; |
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import java.io.FileReader; |
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import java.io.FileWriter; |
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import java.io.IOException; |
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import java.net.URL; |
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import java.text.SimpleDateFormat; |
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import java.util.ArrayList; |
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import java.util.HashMap; |
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import java.util.Iterator; |
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import java.util.List; |
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import java.util.Locale; |
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|
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import org.apache.commons.io.FilenameUtils; |
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import org.cresques.cts.IProjection; |
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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.DataServerExplorer; |
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import org.gvsig.fmap.dal.DataStore; |
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import org.gvsig.fmap.dal.DataStoreNotification; |
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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.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.exception.ValidateDataParametersException; |
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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.FeatureAttributeEmulator; |
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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.feature.spi.FeatureStoreProviderServices; |
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import org.gvsig.fmap.dal.feature.spi.memory.AbstractMemoryStoreProvider; |
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import org.gvsig.fmap.dal.resource.ResourceAction; |
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import org.gvsig.fmap.dal.resource.file.FileResource; |
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import org.gvsig.fmap.dal.resource.spi.ResourceConsumer; |
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import org.gvsig.fmap.dal.resource.spi.ResourceProvider; |
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import org.gvsig.fmap.dal.serverexplorer.filesystem.FilesystemServerExplorer; |
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import org.gvsig.fmap.dal.serverexplorer.filesystem.FilesystemServerExplorerParameters; |
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import org.gvsig.fmap.dal.spi.DataStoreProviderServices; |
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import org.gvsig.fmap.dal.store.csv.simplereaders.CSVReader; |
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import org.gvsig.fmap.dal.store.csv.simplereaders.FixedLenReader; |
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import org.gvsig.fmap.dal.store.csv.simplereaders.SimpleReader; |
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import org.gvsig.fmap.geom.Geometry; |
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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.aggregate.MultiPoint; |
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import org.gvsig.fmap.geom.primitive.Envelope; |
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import org.gvsig.fmap.geom.primitive.Point; |
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import org.gvsig.fmap.geom.type.GeometryType; |
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import org.gvsig.tools.ToolsLocator; |
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import org.gvsig.tools.dataTypes.CoercionException; |
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import org.gvsig.tools.dataTypes.DataType; |
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import org.gvsig.tools.dataTypes.DataTypesManager; |
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import org.gvsig.tools.dataTypes.DataTypesManager.Coercion; |
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import org.gvsig.tools.dataTypes.DataTypesManager.CoercionWithLocale; |
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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.evaluator.AbstractEvaluator; |
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import org.gvsig.tools.evaluator.EvaluatorData; |
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import org.gvsig.tools.evaluator.EvaluatorException; |
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import org.gvsig.tools.exception.BaseException; |
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import org.gvsig.tools.exception.NotYetImplemented; |
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import org.gvsig.tools.persistence.PersistentState; |
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import org.gvsig.tools.persistence.exception.PersistenceException; |
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import org.gvsig.tools.task.SimpleTaskStatus; |
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import org.gvsig.tools.task.TaskStatusManager; |
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import org.gvsig.tools.visitor.VisitCanceledException; |
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import org.gvsig.tools.visitor.Visitor; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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import org.supercsv.io.CsvListWriter; |
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import org.supercsv.prefs.CsvPreference; |
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public class CSVStoreProvider extends AbstractMemoryStoreProvider implements |
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ResourceConsumer { |
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private static final Logger logger = LoggerFactory.getLogger(CSVStoreProvider.class); |
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public static final String NAME = "CSV"; |
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public static final String DESCRIPTION = "CSV file"; |
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public static final String METADATA_DEFINITION_NAME = NAME; |
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private ResourceProvider resource;
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private long counterNewsOIDs = 0; |
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private Envelope envelope;
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private boolean need_calculate_envelope = false; |
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private SimpleTaskStatus taskStatus;
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public CSVStoreProvider(CSVStoreParameters parameters,
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DataStoreProviderServices storeServices) throws InitializeException {
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super(
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parameters, |
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storeServices, |
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FileHelper.newMetadataContainer(METADATA_DEFINITION_NAME) |
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); |
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TaskStatusManager manager = ToolsLocator.getTaskStatusManager(); |
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this.taskStatus = manager.createDefaultSimpleTaskStatus("CSV"); |
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counterNewsOIDs = 0;
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File file = getCSVParameters().getFile();
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resource = this.createResource(
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FileResource.NAME, |
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new Object[]{file.getAbsolutePath()} |
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); |
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resource.addConsumer(this);
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initializeFeatureTypes(); |
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} |
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private CSVStoreParameters getCSVParameters() {
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return (CSVStoreParameters) this.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 false; |
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} |
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private String getFullFileName() { |
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// Usar solo para mostrar mensajes en el logger.
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String s = "(unknow)"; |
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try {
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s = getCSVParameters().getFile().getAbsolutePath(); |
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} catch (Exception e2) { |
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s = "(unknow)";
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} |
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return s;
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} |
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public void open() throws OpenException { |
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if ( this.data != null ) { |
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return;
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} |
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this.data = new ArrayList<FeatureProvider>(); |
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resource.setData(new HashMap()); |
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counterNewsOIDs = 0;
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try {
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loadFeatures(); |
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} catch (RuntimeException e) { |
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logger.warn("Can't load features from CSV '" + getFullFileName() + "'.", e); |
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throw e;
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} catch (Exception e) { |
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logger.warn("Can't load features from CSV '" + getFullFileName() + "'.", e); |
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throw new RuntimeException(e); |
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} |
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} |
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public DataServerExplorer getExplorer() throws ReadException { |
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DataManager manager = DALLocator.getDataManager(); |
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FilesystemServerExplorerParameters params; |
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try {
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params = (FilesystemServerExplorerParameters) manager |
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.createServerExplorerParameters(FilesystemServerExplorer.NAME); |
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params.setRoot(this.getCSVParameters().getFile().getParent());
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return manager.openServerExplorer(FilesystemServerExplorer.NAME, params);
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} catch (DataException e) {
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throw new ReadException(this.getProviderName(), e); |
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} catch (ValidateDataParametersException e) {
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throw new ReadException(this.getProviderName(), e); |
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} |
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} |
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class Writer { |
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private Envelope envelope = null; |
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private boolean calculate_envelope = false; |
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private CsvListWriter listWriter = null; |
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private CsvPreference csvpreferences = null; |
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private FileWriter fwriter = null; |
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private FeatureType ftype;
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private File file; |
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private String[] values; |
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private FeatureAttributeDescriptor[] descriptors; |
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private Coercion convert = null; |
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private int errorcounts = 0; |
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private Throwable lasterror = null; |
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private Locale locale = null; |
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public void initialize(File file, FeatureType ftype, CsvPreference csvpreferences) { |
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this.file = file;
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this.ftype = ftype;
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this.csvpreferences = csvpreferences;
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this.locale = CSVStoreParameters.getLocale(getCSVParameters());
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if ( csvpreferences == null ) { |
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this.csvpreferences = CsvPreference.STANDARD_PREFERENCE;
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} |
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if ( ftype.getDefaultGeometryAttributeName() != null ) { |
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this.calculate_envelope = true; |
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} |
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this.descriptors = this.ftype.getAttributeDescriptors(); |
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this.convert = ToolsLocator.getDataTypesManager().getCoercion(org.gvsig.tools.dataTypes.DataTypes.STRING);
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this.errorcounts = 0; |
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} |
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public void begin() { |
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try {
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this.fwriter = new FileWriter(file); |
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} catch (IOException e) { |
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logger.warn("Can't open file for write (" + file.getAbsolutePath() + ").", e); |
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throw new RuntimeException(e); |
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} |
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this.listWriter = new CsvListWriter(this.fwriter, this.csvpreferences); |
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int n = 0; |
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for ( int i = 0; i < descriptors.length; i++ ) { |
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FeatureAttributeDescriptor descriptor = descriptors[i]; |
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if ( descriptor.getEvaluator() == null ) { |
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n++; |
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} |
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} |
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String[] header = new String[n]; |
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this.values = new String[n]; |
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n = 0;
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for ( int i = 0; i < descriptors.length; i++ ) { |
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FeatureAttributeDescriptor descriptor = descriptors[i]; |
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if ( descriptor.getEvaluator() == null ) { |
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String name = descriptor.getName();
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String typeName = descriptor.getDataTypeName();
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if ( descriptor.getDataType().getType() == DataTypes.STRING ) {
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header[n++] = name + "__" + typeName + "__" + descriptor.getSize(); |
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} else {
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header[n++] = name + "__" + typeName;
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} |
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} |
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} |
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try {
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listWriter.writeHeader(header); |
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} catch (Exception e) { |
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logger.warn("Can't write header '" + header.toString() + "' file for write (" + file.getAbsolutePath() + ").", e); |
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throw new RuntimeException(e); |
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} |
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} |
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public void add(FeatureProvider feature) { |
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if ( this.calculate_envelope ) { |
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Geometry geom = feature.getDefaultGeometry(); |
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if ( geom != null ) { |
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if ( envelope == null ) { |
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try {
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envelope = (Envelope) geom.getEnvelope().clone(); |
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} catch (CloneNotSupportedException e) { |
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logger.warn("Este error no deberia pasar, siempre se puede hacer un clone de un envelope.", e);
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} |
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} else {
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envelope.add(geom.getEnvelope()); |
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} |
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} |
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} |
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int n = 0; |
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for ( int i = 0; i < descriptors.length; i++ ) { |
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FeatureAttributeDescriptor descriptor = descriptors[i]; |
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if ( descriptor.getEvaluator() == null ) { |
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Object value = feature.get(i);
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try {
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n++; |
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if ( this.convert != null && this.convert instanceof CoercionWithLocale ) { |
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values[n] = (String) ((CoercionWithLocale) this.convert).coerce(value, this.locale); |
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} else {
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values[n] = (String) this.convert.coerce(value); |
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} |
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} catch (CoercionException e) {
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try {
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values[n] = value.toString(); |
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} catch (Exception ex) { |
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values[n] = "";
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} |
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if ( errorcounts++ <= 10 ) { |
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this.lasterror = e;
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logger.warn("Can't convert value of field " + i + " to string in CVS file '" + getFullFileName() + "'.", e); |
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if ( errorcounts == 10 ) { |
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logger.warn("Too many error writing CVS file '" + getFullFileName() + "', don't output more."); |
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} |
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} |
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} |
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} |
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} |
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try {
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this.listWriter.writeHeader(values);
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} catch (IOException e) { |
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if ( errorcounts++ <= 10 ) { |
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this.lasterror = e;
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logger.warn("Can't write values to CVS file '" + getFullFileName() + "'.", e); |
323 |
if ( errorcounts == 10 ) { |
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logger.warn("Too many error writing CVS file '" + getFullFileName() + "', don't output more."); |
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} |
326 |
} |
327 |
} |
328 |
|
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} |
330 |
|
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public void end() throws PerformEditingException { |
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if ( this.errorcounts > 0 ) { |
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throw new PerformEditingException(this.file.getAbsolutePath(), lasterror); |
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} |
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if ( listWriter != null ) { |
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try {
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listWriter.close(); |
338 |
} catch (Exception ex) { |
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// Ignore error
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} |
341 |
listWriter = null;
|
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} |
343 |
if ( fwriter != null ) { |
344 |
try {
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fwriter.close(); |
346 |
} catch (Exception ex) { |
347 |
// Ignore error
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} |
349 |
fwriter = null;
|
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} |
351 |
} |
352 |
|
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public Envelope getEnvelope() {
|
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return this.envelope; |
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} |
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} |
357 |
|
358 |
public void performChanges(Iterator deleteds, Iterator inserteds, Iterator updateds, Iterator originalFeatureTypesUpdated) throws PerformEditingException { |
359 |
|
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try {
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this.taskStatus.add();
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taskStatus.message("_preparing");
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getResource().execute(new ResourceAction() {
|
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public Object run() throws Exception { |
365 |
FeatureSet features = null;
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DisposableIterator it = null;
|
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try {
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File file = (File) resource.get(); |
369 |
|
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Writer writer = new Writer(); |
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writer.initialize(file, getStoreServices().getDefaultFeatureType(), getCSVPreferences()); |
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features |
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= getStoreServices().getFeatureStore() |
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.getFeatureSet(); |
375 |
List<FeatureProvider> newdata = new ArrayList<FeatureProvider>(); |
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writer.begin(); |
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it = features.fastIterator(); |
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taskStatus.setRangeOfValues(0, 0); |
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long counter = 0; |
380 |
while ( it.hasNext() ) {
|
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taskStatus.setCurValue(counter++); |
382 |
FeatureProvider feature = getStoreServices().getFeatureProviderFromFeature( |
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(org.gvsig.fmap.dal.feature.Feature) it.next()); |
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writer.add(feature); |
385 |
if ( feature.getOID() == null ) { |
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logger.warn("feature without OID");
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feature.setOID(createNewOID()); |
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} |
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newdata.add(feature); |
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} |
391 |
data = newdata; |
392 |
if ( writer.getEnvelope() != null ) { |
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envelope = writer.getEnvelope().getGeometry().getEnvelope(); |
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} |
395 |
resource.notifyChanges(); |
396 |
writer.end(); |
397 |
} finally {
|
398 |
if ( it != null ) { |
399 |
it.dispose(); |
400 |
} |
401 |
if ( features != null ) { |
402 |
features.dispose(); |
403 |
} |
404 |
} |
405 |
return null; |
406 |
} |
407 |
|
408 |
private CsvPreference getCSVPreferences() {
|
409 |
CSVReader reader = new CSVReader(getCSVParameters());
|
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return reader.getCSVPreferences();
|
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} |
412 |
|
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}); |
414 |
this.taskStatus.terminate();
|
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} catch (Exception e) { |
416 |
this.taskStatus.abort();
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throw new PerformEditingException(getResource().toString(), e); |
418 |
} finally {
|
419 |
this.taskStatus.remove();
|
420 |
} |
421 |
} |
422 |
|
423 |
public boolean closeResourceRequested(ResourceProvider resource) { |
424 |
return true; |
425 |
} |
426 |
|
427 |
public int getOIDType() { |
428 |
return DataTypes.LONG;
|
429 |
} |
430 |
|
431 |
public boolean supportsAppendMode() { |
432 |
return false; |
433 |
} |
434 |
|
435 |
public void append(FeatureProvider featureProvider) { |
436 |
throw new UnsupportedOperationException(); |
437 |
} |
438 |
|
439 |
public void beginAppend() { |
440 |
throw new UnsupportedOperationException(); |
441 |
} |
442 |
|
443 |
public void endAppend() { |
444 |
throw new UnsupportedOperationException(); |
445 |
} |
446 |
|
447 |
public void saveToState(PersistentState state) throws PersistenceException { |
448 |
throw new NotYetImplemented(); |
449 |
} |
450 |
|
451 |
public void loadFromState(PersistentState state) throws PersistenceException { |
452 |
throw new NotYetImplemented(); |
453 |
} |
454 |
|
455 |
public Object createNewOID() { |
456 |
return new Long(counterNewsOIDs++); |
457 |
} |
458 |
|
459 |
protected void initializeFeatureTypes() throws InitializeException { |
460 |
try {
|
461 |
this.open();
|
462 |
} catch (OpenException e) {
|
463 |
throw new InitializeException(this.getProviderName(), e); |
464 |
} |
465 |
} |
466 |
|
467 |
public Envelope getEnvelope() throws DataException { |
468 |
this.open();
|
469 |
if ( this.envelope != null ) { |
470 |
return this.envelope; |
471 |
} |
472 |
if ( !this.need_calculate_envelope ) { |
473 |
return null; |
474 |
} |
475 |
FeatureStore fs = this.getFeatureStore();
|
476 |
FeatureType ft = fs.getDefaultFeatureType(); |
477 |
FeatureAttributeDescriptor fad = ft.getAttributeDescriptor(ft.getDefaultGeometryAttributeIndex()); |
478 |
|
479 |
try {
|
480 |
this.envelope = GeometryLocator.getGeometryManager().createEnvelope(fad.getGeomType().getSubType());
|
481 |
fs.accept(new Visitor() {
|
482 |
public void visit(Object obj) throws VisitCanceledException, BaseException { |
483 |
Feature f = (Feature) obj; |
484 |
Geometry geom = f.getDefaultGeometry(); |
485 |
if ( geom != null ) { |
486 |
envelope.add(geom.getEnvelope()); |
487 |
} |
488 |
} |
489 |
}); |
490 |
} catch (BaseException e) {
|
491 |
logger.warn("Can't calculate the envelope of CSV file '" + this.getFullName() + "'.", e); |
492 |
this.envelope = null; |
493 |
} |
494 |
|
495 |
this.need_calculate_envelope = false; |
496 |
return this.envelope; |
497 |
} |
498 |
|
499 |
public Object getDynValue(String name) throws DynFieldNotFoundException { |
500 |
if ( DataStore.METADATA_ENVELOPE.equalsIgnoreCase(name) ) {
|
501 |
try {
|
502 |
return this.getEnvelope(); |
503 |
} catch (DataException e) {
|
504 |
return null; |
505 |
} |
506 |
} else {
|
507 |
if ( DataStore.METADATA_CRS.equalsIgnoreCase(name) ) {
|
508 |
IProjection pro = CSVStoreParameters.getCRS(this.getCSVParameters());
|
509 |
if ( pro != null ) { |
510 |
return pro;
|
511 |
} |
512 |
} |
513 |
} |
514 |
return super.getDynValue(name); |
515 |
} |
516 |
|
517 |
public void resourceChanged(ResourceProvider resource) { |
518 |
this.getStoreServices().notifyChange(
|
519 |
DataStoreNotification.RESOURCE_CHANGED, |
520 |
resource); |
521 |
} |
522 |
|
523 |
public Object getSourceId() { |
524 |
return this.getCSVParameters().getFile(); |
525 |
} |
526 |
|
527 |
public String getName() { |
528 |
String name = this.getCSVParameters().getFile().getName(); |
529 |
return FilenameUtils.getBaseName(name);
|
530 |
} |
531 |
|
532 |
public String getFullName() { |
533 |
return this.getCSVParameters().getFile().getAbsolutePath(); |
534 |
} |
535 |
|
536 |
public ResourceProvider getResource() {
|
537 |
return resource;
|
538 |
} |
539 |
|
540 |
private boolean isEmpty(String s) { |
541 |
if ( s == null ) { |
542 |
return true; |
543 |
} |
544 |
return s.trim().length() == 0; |
545 |
} |
546 |
|
547 |
private class FieldTypeParser { |
548 |
|
549 |
public String name = null; |
550 |
public int type = DataTypes.STRING; |
551 |
public int size = 0; |
552 |
public boolean allowNulls = true; |
553 |
|
554 |
private String typename = "string"; |
555 |
|
556 |
FieldTypeParser() { |
557 |
} |
558 |
|
559 |
private int getType(String value) { |
560 |
DataTypesManager dataTypesManager = ToolsLocator.getDataTypesManager(); |
561 |
return dataTypesManager.getType(typename);
|
562 |
} |
563 |
|
564 |
// El formato seria:
|
565 |
// name[:typename[:size[:notnull|null]]]
|
566 |
// name[__typename[__size[__notnull|null]]]
|
567 |
//
|
568 |
public boolean parse(String value) { |
569 |
String typename = null; |
570 |
String[] ss = null; |
571 |
if ( value.contains(":") ) { |
572 |
ss = value.split(":");
|
573 |
} else if ( value.contains("__") ) { |
574 |
ss = value.split("__");
|
575 |
} |
576 |
if ( ss == null ) { |
577 |
this.name = value;
|
578 |
return true; |
579 |
} |
580 |
switch (ss.length) {
|
581 |
case 4: |
582 |
if ( ss[3].length() > 0 ) { |
583 |
if ( "notnull".equalsIgnoreCase(ss[3]) ) { |
584 |
this.allowNulls = false; |
585 |
} else {
|
586 |
this.allowNulls = true; |
587 |
} |
588 |
} |
589 |
case 3: |
590 |
if ( ss[2].length() > 0 ) { |
591 |
try {
|
592 |
this.size = Integer.parseInt(ss[2]); |
593 |
} catch (Exception ex) { |
594 |
logger.warn("Ignore incorrect field size for field " + value + " in CSV header of '" + getFullFileName() + "'.", ex); |
595 |
} |
596 |
} |
597 |
case 2: |
598 |
if ( ss[1].length() > 0 ) { |
599 |
this.typename = ss[1]; |
600 |
this.type = this.getType(this.typename); |
601 |
if ( this.type == DataTypes.INVALID ) { |
602 |
this.type = DataTypes.STRING;
|
603 |
logger.info("Type '" + typename + "' not valid for attribute '" + value + "' in CSV file '" + getFullFileName() + "'."); |
604 |
} |
605 |
} |
606 |
case 1: |
607 |
this.name = ss[0]; |
608 |
break;
|
609 |
} |
610 |
|
611 |
if ( this.type != DataTypes.STRING ) { |
612 |
this.size = 0; |
613 |
} |
614 |
return true; |
615 |
} |
616 |
|
617 |
} |
618 |
|
619 |
private EditableFeatureType getFeatureType(String headers[], int automaticTypes[]) { |
620 |
EditableFeatureType fType = getStoreServices().createFeatureType(this.getName());
|
621 |
fType.setHasOID(true);
|
622 |
DataTypesManager dataTypesManager = ToolsLocator.getDataTypesManager(); |
623 |
|
624 |
FieldTypeParser[] fieldTypes = new FieldTypeParser[headers.length]; |
625 |
//
|
626 |
// Calculamos cuales pueden ser los tipos de datos
|
627 |
//
|
628 |
for ( int i = 0; i < fieldTypes.length; i++ ) { |
629 |
fieldTypes[i] = new FieldTypeParser();
|
630 |
} |
631 |
|
632 |
// Asuminos los tipos pasados por parametro, que se supone
|
633 |
// son los detectados automaticamente.
|
634 |
if ( automaticTypes != null ) { |
635 |
for ( int i = 0; i < fieldTypes.length && i < automaticTypes.length; i++ ) { |
636 |
fieldTypes[i].type = automaticTypes[i]; |
637 |
} |
638 |
} |
639 |
// Luego probamos con lo que diga las cabezeras del CVS, sobreescribiendo
|
640 |
// los tipos anteriores en caso de definirse en la cabezara.
|
641 |
for ( int i = 0; i < fieldTypes.length; i++ ) { |
642 |
if ( !fieldTypes[i].parse(headers[i]) ) {
|
643 |
continue;
|
644 |
} |
645 |
|
646 |
} |
647 |
|
648 |
// Y por ultimo hacemos caso a lo que se haya especificado en los parametros
|
649 |
// de apertura del CSV, teniendo esto prioridad sobre todo.
|
650 |
int[] param_types = CSVStoreParameters.getFieldTypes(this.getParameters()); |
651 |
if ( param_types != null ) { |
652 |
for ( int i = 0; i < fieldTypes.length && i < param_types.length; i++ ) { |
653 |
fieldTypes[i].type = param_types[i]; |
654 |
} |
655 |
} |
656 |
|
657 |
int[] param_sizes = CSVStoreParameters.getFieldSizes(this.getParameters()); |
658 |
if ( param_sizes != null ) { |
659 |
for ( int i = 0; i < param_sizes.length; i++ ) { |
660 |
if ( param_sizes[i] > 0 ) { |
661 |
fieldTypes[i].size = param_sizes[i]; |
662 |
} |
663 |
} |
664 |
} |
665 |
//
|
666 |
// Una vez ya sabemos los tipos de datos rellenamos el feature-type
|
667 |
//
|
668 |
for ( int i = 0; i < fieldTypes.length; i++ ) { |
669 |
EditableFeatureAttributeDescriptor fad = fType.add( |
670 |
fieldTypes[i].name, |
671 |
fieldTypes[i].type |
672 |
); |
673 |
fad.setSize(fieldTypes[i].size); |
674 |
fad.setAllowNull(fieldTypes[i].allowNulls); |
675 |
if ( fieldTypes[i].type == DataTypes.GEOMETRY
|
676 |
&& fType.getDefaultGeometryAttributeName() == null ) {
|
677 |
fType.setDefaultGeometryAttributeName(fieldTypes[i].name); |
678 |
} |
679 |
} |
680 |
String[] pointDimensionNames = CSVStoreParameters.getPointDimensionNames(this.getParameters()); |
681 |
if ( pointDimensionNames != null ) { |
682 |
// ToPointEvaluaror evaluator = new ToPointEvaluaror(pointDimensionNames);
|
683 |
PointAttributeEmulator emulator = new PointAttributeEmulator(pointDimensionNames);
|
684 |
EditableFeatureAttributeDescriptor attr = fType.add("GEOM", DataTypes.GEOMETRY, emulator);
|
685 |
GeometryManager geommgr = GeometryLocator.getGeometryManager(); |
686 |
GeometryType gt; |
687 |
try {
|
688 |
gt = geommgr.getGeometryType(Geometry.TYPES.GEOMETRY, Geometry.SUBTYPES.GEOM3D); |
689 |
attr.setGeometryType(gt); |
690 |
} catch (Exception e) { |
691 |
logger.warn("Can't set geometry type for the calculated field in CSV file '" + getFullFileName() + "'.", e); |
692 |
} |
693 |
} |
694 |
return fType;
|
695 |
} |
696 |
|
697 |
static class PointAttributeEmulator implements FeatureAttributeEmulator { |
698 |
|
699 |
private static final Logger logger = LoggerFactory.getLogger(ToPointEvaluaror.class); |
700 |
|
701 |
private static final int XNAME = 0; |
702 |
private static final int YNAME = 1; |
703 |
private static final int ZNAME = 2; |
704 |
|
705 |
private final GeometryManager geommgr; |
706 |
private final String[] fieldNames; |
707 |
private final Coercion toDouble; |
708 |
private final DataType dataType; |
709 |
private int errorcount = 0; |
710 |
|
711 |
public PointAttributeEmulator(String[] pointDimensionNames) { |
712 |
if ( pointDimensionNames.length > 2 ) { |
713 |
this.fieldNames = new String[3]; |
714 |
this.fieldNames[ZNAME] = pointDimensionNames[2]; |
715 |
} else {
|
716 |
this.fieldNames = new String[2]; |
717 |
} |
718 |
this.fieldNames[XNAME] = pointDimensionNames[0]; |
719 |
this.fieldNames[YNAME] = pointDimensionNames[1]; |
720 |
this.geommgr = GeometryLocator.getGeometryManager();
|
721 |
DataTypesManager datatypeManager = ToolsLocator.getDataTypesManager(); |
722 |
|
723 |
this.toDouble = datatypeManager.getCoercion(DataTypes.DOUBLE);
|
724 |
this.dataType = datatypeManager.get(DataTypes.GEOMETRY);
|
725 |
} |
726 |
|
727 |
public Object get(Feature feature) { |
728 |
try {
|
729 |
Object valueX = feature.get(this.fieldNames[XNAME]); |
730 |
valueX = toDouble.coerce(valueX); |
731 |
if ( valueX == null ) { |
732 |
return null; |
733 |
} |
734 |
Object valueY = feature.get(this.fieldNames[YNAME]); |
735 |
valueY = toDouble.coerce(valueY); |
736 |
if ( valueY == null ) { |
737 |
return null; |
738 |
} |
739 |
Object valueZ = null; |
740 |
if ( this.fieldNames.length > 2 ) { |
741 |
valueZ = toDouble.coerce(feature.get(this.fieldNames[ZNAME]));
|
742 |
if ( valueZ == null ) { |
743 |
return null; |
744 |
} |
745 |
} |
746 |
|
747 |
double x = ((Double) valueX).doubleValue(); |
748 |
double y = ((Double) valueY).doubleValue(); |
749 |
Point point = geommgr.createPoint(x, y, Geometry.SUBTYPES.GEOM3D);
|
750 |
if ( this.fieldNames.length > 2 ) { |
751 |
double z = ((Double) valueZ).doubleValue(); |
752 |
point.setCoordinateAt(2, z);
|
753 |
} |
754 |
return point;
|
755 |
} catch (Exception ex) { |
756 |
if ( ++errorcount < 5 ) { |
757 |
logger.warn("[" + errorcount + "] Can't create point in CSV provider. XNAME='" |
758 |
+ this.fieldNames[XNAME] + "', YNAME='" + this.fieldNames[XNAME] + "' feature=" + feature.toString(), ex); |
759 |
} |
760 |
return null; |
761 |
} |
762 |
} |
763 |
|
764 |
public void set(EditableFeature feature, Object value) { |
765 |
if ( value == null ) { |
766 |
return;
|
767 |
} |
768 |
Point point = null; |
769 |
if ( value instanceof MultiPoint ) { |
770 |
point = (Point) ((MultiPoint) value).getPrimitiveAt(0); |
771 |
} else {
|
772 |
point = (Point) value;
|
773 |
} |
774 |
feature.set(this.fieldNames[XNAME], point.getX());
|
775 |
feature.set(this.fieldNames[YNAME], point.getY());
|
776 |
if ( this.fieldNames.length > 2 ) { |
777 |
feature.set(this.fieldNames[ZNAME], point.getCoordinateAt(2)); |
778 |
} |
779 |
} |
780 |
|
781 |
public boolean allowSetting() { |
782 |
return true; |
783 |
} |
784 |
|
785 |
public String[] getRequiredFieldNames() { |
786 |
return this.fieldNames; |
787 |
} |
788 |
|
789 |
} |
790 |
|
791 |
static class ToPointEvaluaror extends AbstractEvaluator { |
792 |
|
793 |
private static final Logger logger = LoggerFactory.getLogger(ToPointEvaluaror.class); |
794 |
|
795 |
private GeometryManager geommgr = null; |
796 |
private String xname = null; |
797 |
private String yname = null; |
798 |
private String zname = null; |
799 |
private Coercion toDouble;
|
800 |
private int errorcount = 0; |
801 |
|
802 |
ToPointEvaluaror(String[] pointDimensionNames) { |
803 |
this.xname = pointDimensionNames[0]; |
804 |
this.yname = pointDimensionNames[1]; |
805 |
if ( pointDimensionNames.length > 2 ) { |
806 |
this.zname = pointDimensionNames[2]; |
807 |
} |
808 |
this.geommgr = GeometryLocator.getGeometryManager();
|
809 |
this.toDouble = ToolsLocator.getDataTypesManager().getCoercion(DataTypes.DOUBLE);
|
810 |
} |
811 |
|
812 |
public Object evaluate(EvaluatorData data) throws EvaluatorException { |
813 |
try {
|
814 |
double x = ((Double) toDouble.coerce(data.getDataValue(xname))).doubleValue(); |
815 |
double y = ((Double) toDouble.coerce(data.getDataValue(yname))).doubleValue(); |
816 |
Point point = geommgr.createPoint(x, y, Geometry.SUBTYPES.GEOM3D);
|
817 |
if ( zname != null ) { |
818 |
double z = ((Double) toDouble.coerce(data.getDataValue(zname))).doubleValue(); |
819 |
point.setCoordinateAt(2, z);
|
820 |
} |
821 |
return point;
|
822 |
} catch (Exception ex) { |
823 |
if ( ++errorcount < 5 ) { |
824 |
logger.warn("[" + errorcount + "] Can't create point in CSV provider. XNAME='" |
825 |
+ xname + "', YNAME='" + yname + "', ZNAME='" + zname + "', data=" + data.toString()); |
826 |
} |
827 |
return null; |
828 |
} |
829 |
} |
830 |
|
831 |
public String getName() { |
832 |
return "ToPointEvaluaror"; |
833 |
} |
834 |
|
835 |
} |
836 |
|
837 |
private SimpleReader getSimpleReader(FileReader in) { |
838 |
SimpleReader reader; |
839 |
if ( CSVStoreParameters.getRawFieldsDefinition(getCSVParameters()) != null ) { |
840 |
reader = new FixedLenReader(in, getCSVParameters());
|
841 |
} else {
|
842 |
reader = new CSVReader(in, getCSVParameters());
|
843 |
} |
844 |
return reader;
|
845 |
} |
846 |
|
847 |
private void loadFeatures() throws IOException, DataException, |
848 |
CoercionException, CloneNotSupportedException {
|
849 |
FileReader in = null; |
850 |
SimpleReader reader = null;
|
851 |
try {
|
852 |
String headers[] = null; |
853 |
FeatureStoreProviderServices store = this.getStoreServices();
|
854 |
|
855 |
boolean ignore_errors = CSVStoreParameters.getIgnoreErrors(getCSVParameters());
|
856 |
|
857 |
in = new FileReader(this.getCSVParameters().getFile()); |
858 |
|
859 |
reader = getSimpleReader(in); |
860 |
|
861 |
headers = CSVStoreParameters.getHeaders(getCSVParameters()); |
862 |
if ( headers == null ) { |
863 |
headers = reader.getHeader(); |
864 |
if ( headers == null ) { |
865 |
String msg = "Can't retrieve header from csv file '" |
866 |
+ this.getCSVParameters().getFile()
|
867 |
.getAbsolutePath() |
868 |
+ "' and not specified in the parameters.";
|
869 |
logger.warn(msg); |
870 |
throw new RuntimeException(msg); |
871 |
} |
872 |
} |
873 |
|
874 |
// Initialize the feature types
|
875 |
EditableFeatureType edftype = this.getFeatureType(headers, automaticDetectionOfTypes());
|
876 |
FeatureType ftype = edftype.getNotEditableCopy(); |
877 |
List<FeatureType> ftypes = new ArrayList<FeatureType>(); |
878 |
ftypes.add(ftype); |
879 |
store.setFeatureTypes(ftypes, ftype); |
880 |
|
881 |
Coercion coercion[] = new Coercion[ftype.size()]; |
882 |
int sizes[] = new int[ftype.size()]; |
883 |
for ( int i = 0; i < ftype.size(); i++ ) { |
884 |
sizes[i] = -1;
|
885 |
FeatureAttributeDescriptor ad = ftype.getAttributeDescriptor(i); |
886 |
coercion[i] = ad.getDataType().getCoercion(); |
887 |
if ( ad.getDataType().getType() == DataTypes.STRING ) {
|
888 |
if ( ad.getSize() == 0 ) { |
889 |
// Es un string y no tiene un size asignado.
|
890 |
// Lo ponemos a cero para calcularlo.
|
891 |
sizes[i] = 0;
|
892 |
} |
893 |
} |
894 |
} |
895 |
if ( ftype.getDefaultGeometryAttributeName() != null ) { |
896 |
this.need_calculate_envelope = true; |
897 |
} |
898 |
|
899 |
Locale locale = CSVStoreParameters.getLocale(getCSVParameters());
|
900 |
taskStatus.message("_loading");
|
901 |
int count = 0; |
902 |
|
903 |
int count_errors = 0; |
904 |
|
905 |
List<String> row = reader.read(); |
906 |
|
907 |
int skipLines = CSVStoreParameters.getSkipLines(getCSVParameters());
|
908 |
if ( skipLines > 0 ) { |
909 |
row = reader.skip(skipLines); |
910 |
} |
911 |
|
912 |
while ( row != null ) { |
913 |
taskStatus.setCurValue(++count); |
914 |
FeatureProvider feature = this.createFeatureProvider(ftype);
|
915 |
for ( int i = 0; i < row.size(); i++ ) { |
916 |
Object rawvalue = row.get(i);
|
917 |
try {
|
918 |
Object value = null; |
919 |
if ( locale != null && coercion[i] instanceof CoercionWithLocale ) { |
920 |
value = ((CoercionWithLocale) (coercion[i])).coerce(rawvalue, locale); |
921 |
} else {
|
922 |
value = coercion[i].coerce(rawvalue); |
923 |
} |
924 |
feature.set(i, value); |
925 |
if ( sizes[i] >= 0 && value != null ) { |
926 |
int x = ((String) value).length(); |
927 |
if ( sizes[i] < x ) {
|
928 |
sizes[i] = x; |
929 |
} |
930 |
} |
931 |
} catch (RuntimeException ex) { |
932 |
if ( !ignore_errors ) {
|
933 |
throw ex;
|
934 |
} |
935 |
if ( count_errors++ < 10 ) { |
936 |
logger.warn("Can't load value of attribute " + i + " in row " + count + ".", ex); |
937 |
} |
938 |
if ( count_errors == 10 ) { |
939 |
logger.info("Too many errors, suppress messages.");
|
940 |
} |
941 |
} |
942 |
} |
943 |
this.addFeatureProvider(feature);
|
944 |
row = reader.read(); |
945 |
} |
946 |
for ( int i = 0; i < ftype.size(); i++ ) { |
947 |
if ( sizes[i] > 0 ) { |
948 |
EditableFeatureAttributeDescriptor efad = ((EditableFeatureAttributeDescriptor) edftype.getAttributeDescriptor(i)); |
949 |
efad.setSize(sizes[i]); |
950 |
} |
951 |
} |
952 |
// Volvemos a asignar al store el featuretype, ya que puede
|
953 |
// haber cambiado.
|
954 |
ftype = edftype.getNotEditableCopy(); |
955 |
ftypes = new ArrayList<FeatureType>(); |
956 |
ftypes.add(ftype); |
957 |
store.setFeatureTypes(ftypes, ftype); |
958 |
|
959 |
taskStatus.terminate(); |
960 |
} finally {
|
961 |
if ( reader != null ) { |
962 |
try {
|
963 |
reader.close(); |
964 |
} catch (Exception ex) { |
965 |
// Do nothing
|
966 |
} |
967 |
reader = null;
|
968 |
} |
969 |
if ( in != null ) { |
970 |
try {
|
971 |
in.close(); |
972 |
} catch (Exception ex) { |
973 |
// Do nothing
|
974 |
} |
975 |
in = null;
|
976 |
} |
977 |
} |
978 |
} |
979 |
|
980 |
private int[] automaticDetectionOfTypes() throws IOException { |
981 |
boolean automatic_types_detection = CSVStoreParameters.getAutomaticTypesDetection(getCSVParameters());
|
982 |
if ( !automatic_types_detection ) {
|
983 |
return null; |
984 |
} |
985 |
|
986 |
final int T_INT = 0; |
987 |
final int T_FLOAT = 1; |
988 |
final int T_DOUBLE = 2; |
989 |
final int T_LONG = 3; |
990 |
final int T_URL = 4; |
991 |
final int T_DATE = 5; |
992 |
boolean possibleDataTypes[][] = null; |
993 |
Locale locale = null; |
994 |
int[] types = null; |
995 |
|
996 |
FileReader in = null; |
997 |
SimpleReader reader = null;
|
998 |
String headers[] = null; |
999 |
SimpleDateFormat dateFormat = new SimpleDateFormat(); |
1000 |
|
1001 |
try {
|
1002 |
|
1003 |
in = new FileReader(this.getCSVParameters().getFile()); |
1004 |
|
1005 |
reader = getSimpleReader(in); |
1006 |
headers = reader.getHeader(); |
1007 |
if ( headers == null ) { |
1008 |
headers = CSVStoreParameters.getHeaders(getCSVParameters()); |
1009 |
} |
1010 |
types = new int[headers.length]; |
1011 |
|
1012 |
possibleDataTypes = new boolean[headers.length][6]; |
1013 |
for ( int i = 0; i < possibleDataTypes.length; i++ ) { |
1014 |
for ( int j = 0; j < 4; j++ ) { |
1015 |
possibleDataTypes[i][j] = true;
|
1016 |
} |
1017 |
} |
1018 |
locale = CSVStoreParameters.getLocale(getCSVParameters()); |
1019 |
if ( locale == null ) { |
1020 |
locale = Locale.getDefault();
|
1021 |
} |
1022 |
|
1023 |
DataTypesManager typeManager = ToolsLocator.getDataTypesManager(); |
1024 |
CoercionWithLocale toDouble = (CoercionWithLocale) typeManager.getCoercion(DataTypes.DOUBLE); |
1025 |
CoercionWithLocale toFloat = (CoercionWithLocale) typeManager.getCoercion(DataTypes.FLOAT); |
1026 |
|
1027 |
List<String> row = reader.read(); |
1028 |
|
1029 |
while ( row != null ) { |
1030 |
for ( int i = 0; i < row.size(); i++ ) { |
1031 |
Object rawvalue = row.get(i);
|
1032 |
Object value = null; |
1033 |
if ( possibleDataTypes[i][T_DOUBLE] ) {
|
1034 |
try {
|
1035 |
value = toDouble.coerce(rawvalue, locale); |
1036 |
possibleDataTypes[i][T_DOUBLE] = true;
|
1037 |
} catch (Exception ex) { |
1038 |
possibleDataTypes[i][T_DOUBLE] = false;
|
1039 |
} |
1040 |
} |
1041 |
if ( possibleDataTypes[i][T_FLOAT] ) {
|
1042 |
try {
|
1043 |
value = toFloat.coerce(rawvalue, locale); |
1044 |
possibleDataTypes[i][T_FLOAT] = true;
|
1045 |
} catch (Exception ex) { |
1046 |
possibleDataTypes[i][T_FLOAT] = false;
|
1047 |
} |
1048 |
} |
1049 |
if ( possibleDataTypes[i][T_LONG] ) {
|
1050 |
try {
|
1051 |
value = Long.parseLong((String) rawvalue); |
1052 |
possibleDataTypes[i][T_LONG] = true;
|
1053 |
} catch (Exception ex) { |
1054 |
possibleDataTypes[i][T_LONG] = false;
|
1055 |
} |
1056 |
} |
1057 |
if ( possibleDataTypes[i][T_INT] ) {
|
1058 |
try {
|
1059 |
value = Integer.parseInt((String) rawvalue); |
1060 |
possibleDataTypes[i][T_INT] = true;
|
1061 |
} catch (Exception ex) { |
1062 |
possibleDataTypes[i][T_INT] = false;
|
1063 |
} |
1064 |
} |
1065 |
if ( possibleDataTypes[i][T_DATE] ) {
|
1066 |
try {
|
1067 |
value = dateFormat.parse((String) rawvalue);
|
1068 |
possibleDataTypes[i][T_DATE] = true;
|
1069 |
} catch (Exception ex) { |
1070 |
possibleDataTypes[i][T_DATE] = false;
|
1071 |
} |
1072 |
} |
1073 |
if ( possibleDataTypes[i][T_URL] ) {
|
1074 |
try {
|
1075 |
value = new URL((String) rawvalue); |
1076 |
possibleDataTypes[i][T_URL] = true;
|
1077 |
} catch (Exception ex) { |
1078 |
possibleDataTypes[i][T_URL] = false;
|
1079 |
} |
1080 |
} |
1081 |
} |
1082 |
row = reader.read(); |
1083 |
} |
1084 |
} finally {
|
1085 |
if ( reader != null ) { |
1086 |
try {
|
1087 |
reader.close(); |
1088 |
} catch (Exception ex) { |
1089 |
// Do nothing
|
1090 |
} |
1091 |
reader = null;
|
1092 |
} |
1093 |
if ( in != null ) { |
1094 |
try {
|
1095 |
in.close(); |
1096 |
} catch (Exception ex) { |
1097 |
// Do nothing
|
1098 |
} |
1099 |
in = null;
|
1100 |
} |
1101 |
|
1102 |
} |
1103 |
for ( int i = 0; i < possibleDataTypes.length; i++ ) { |
1104 |
if ( possibleDataTypes[i][T_INT] ) {
|
1105 |
types[i] = DataTypes.INT; |
1106 |
continue;
|
1107 |
} |
1108 |
if ( possibleDataTypes[i][T_LONG] ) {
|
1109 |
types[i] = DataTypes.LONG; |
1110 |
continue;
|
1111 |
} |
1112 |
if ( possibleDataTypes[i][T_FLOAT] ) {
|
1113 |
types[i] = DataTypes.FLOAT; |
1114 |
continue;
|
1115 |
} |
1116 |
if ( possibleDataTypes[i][T_DOUBLE] ) {
|
1117 |
types[i] = DataTypes.DOUBLE; |
1118 |
continue;
|
1119 |
} |
1120 |
if ( possibleDataTypes[i][T_URL] ) {
|
1121 |
types[i] = DataTypes.URL; |
1122 |
continue;
|
1123 |
} |
1124 |
if ( possibleDataTypes[i][T_DATE] ) {
|
1125 |
types[i] = DataTypes.DATE; |
1126 |
continue;
|
1127 |
} |
1128 |
types[i] = DataTypes.STRING; |
1129 |
} |
1130 |
return types;
|
1131 |
} |
1132 |
|
1133 |
} |