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 @ 41084
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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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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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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.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.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.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.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.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.DynObject; |
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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.comment.CommentStartsWith; |
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import org.supercsv.io.CsvListReader; |
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import org.supercsv.io.CsvListWriter; |
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import org.supercsv.prefs.CsvPreference; |
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import org.supercsv.quote.QuoteMode; |
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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); |
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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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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(); |
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} catch(Exception ex) { |
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// Ignore error
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} |
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listWriter=null ;
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} |
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if( fwriter!=null ) { |
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try {
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fwriter.close(); |
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} catch(Exception ex) { |
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// Ignore error
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} |
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fwriter=null ;
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} |
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} |
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|
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public Envelope getEnvelope() {
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return this.envelope; |
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} |
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} |
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|
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public void performChanges(Iterator deleteds, Iterator inserteds, Iterator updateds, Iterator originalFeatureTypesUpdated) throws PerformEditingException { |
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|
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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 { |
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FeatureSet features = null;
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DisposableIterator it = null;
|
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try {
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File file = (File) resource.get(); |
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|
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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(); |
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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; |
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while (it.hasNext()) {
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taskStatus.setCurValue(counter++); |
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FeatureProvider feature = getStoreServices().getFeatureProviderFromFeature( |
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(org.gvsig.fmap.dal.feature.Feature) it.next()); |
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writer.add(feature); |
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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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} |
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data = newdata; |
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if (writer.getEnvelope() != null){ |
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envelope = writer.getEnvelope().getGeometry().getEnvelope(); |
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} |
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resource.notifyChanges(); |
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writer.end(); |
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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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if (features != null) { |
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features.dispose(); |
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} |
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} |
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return null; |
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} |
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}); |
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this.taskStatus.terminate();
|
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} catch (Exception e) { |
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this.taskStatus.abort();
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throw new PerformEditingException(getResource().toString(), e); |
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} finally {
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this.taskStatus.remove();
|
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} |
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} |
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|
| 413 |
public boolean closeResourceRequested(ResourceProvider resource) { |
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return true; |
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} |
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|
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public int getOIDType() { |
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return DataTypes.LONG;
|
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} |
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|
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public boolean supportsAppendMode() { |
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return false; |
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} |
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|
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public void append(FeatureProvider featureProvider) { |
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throw new UnsupportedOperationException(); |
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} |
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|
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public void beginAppend() { |
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throw new UnsupportedOperationException(); |
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} |
| 432 |
|
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public void endAppend() { |
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throw new UnsupportedOperationException(); |
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} |
| 436 |
|
| 437 |
public void saveToState(PersistentState state) throws PersistenceException { |
| 438 |
throw new NotYetImplemented(); |
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} |
| 440 |
|
| 441 |
public void loadFromState(PersistentState state) throws PersistenceException { |
| 442 |
throw new NotYetImplemented(); |
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} |
| 444 |
|
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public Object createNewOID() { |
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return new Long(counterNewsOIDs++); |
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} |
| 448 |
|
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protected void initializeFeatureTypes() throws InitializeException { |
| 450 |
try {
|
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this.open();
|
| 452 |
} catch (OpenException e) {
|
| 453 |
throw new InitializeException(this.getProviderName(), e); |
| 454 |
} |
| 455 |
} |
| 456 |
|
| 457 |
public Envelope getEnvelope() throws DataException { |
| 458 |
this.open();
|
| 459 |
if( this.envelope!= null ) { |
| 460 |
return this.envelope; |
| 461 |
} |
| 462 |
if( !this.need_calculate_envelope ) { |
| 463 |
return null; |
| 464 |
} |
| 465 |
FeatureStore fs = this.getFeatureStore();
|
| 466 |
FeatureType ft = fs.getDefaultFeatureType(); |
| 467 |
FeatureAttributeDescriptor fad = ft.getAttributeDescriptor(ft.getDefaultGeometryAttributeIndex()); |
| 468 |
|
| 469 |
try {
|
| 470 |
this.envelope = GeometryLocator.getGeometryManager().createEnvelope(fad.getGeomType().getSubType());
|
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fs.accept(new Visitor() {
|
| 472 |
public void visit(Object obj) throws VisitCanceledException, BaseException { |
| 473 |
Feature f = (Feature) obj; |
| 474 |
Geometry geom = f.getDefaultGeometry(); |
| 475 |
envelope.add(geom.getEnvelope()); |
| 476 |
} |
| 477 |
}); |
| 478 |
} catch (BaseException e) {
|
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logger.warn("Can't calculate the envelope of CSV file '"+this.getFullName()+"'.",e); |
| 480 |
this.envelope = null; |
| 481 |
} |
| 482 |
|
| 483 |
this.need_calculate_envelope = false; |
| 484 |
return this.envelope; |
| 485 |
} |
| 486 |
|
| 487 |
public Object getDynValue(String name) throws DynFieldNotFoundException { |
| 488 |
if( DataStore.METADATA_ENVELOPE.equalsIgnoreCase(name) ) {
|
| 489 |
try {
|
| 490 |
return this.getEnvelope(); |
| 491 |
} catch (DataException e) {
|
| 492 |
return null; |
| 493 |
} |
| 494 |
} else {
|
| 495 |
if( DataStore.METADATA_CRS.equalsIgnoreCase(name) ) {
|
| 496 |
IProjection pro = CSVStoreParameters.getCRS(this.getCSVParameters());
|
| 497 |
if (pro != null){ |
| 498 |
return pro;
|
| 499 |
} |
| 500 |
} |
| 501 |
} |
| 502 |
return super.getDynValue(name); |
| 503 |
} |
| 504 |
|
| 505 |
|
| 506 |
public void resourceChanged(ResourceProvider resource) { |
| 507 |
this.getStoreServices().notifyChange(
|
| 508 |
DataStoreNotification.RESOURCE_CHANGED, |
| 509 |
resource); |
| 510 |
} |
| 511 |
|
| 512 |
|
| 513 |
public Object getSourceId() { |
| 514 |
return this.getCSVParameters().getFile(); |
| 515 |
} |
| 516 |
|
| 517 |
public String getName() { |
| 518 |
String name = this.getCSVParameters().getFile().getName(); |
| 519 |
return FilenameUtils.getBaseName(name);
|
| 520 |
} |
| 521 |
|
| 522 |
public String getFullName() { |
| 523 |
return this.getCSVParameters().getFile().getAbsolutePath(); |
| 524 |
} |
| 525 |
|
| 526 |
public ResourceProvider getResource() {
|
| 527 |
return resource;
|
| 528 |
} |
| 529 |
|
| 530 |
private boolean isEmpty(String s) { |
| 531 |
if( s==null ) { |
| 532 |
return true; |
| 533 |
} |
| 534 |
return s.trim().length()==0; |
| 535 |
} |
| 536 |
|
| 537 |
private CsvPreference getCSVPreferences() {
|
| 538 |
try {
|
| 539 |
String s = null; |
| 540 |
char quoteChar;
|
| 541 |
int delimiterChar;
|
| 542 |
String endOfLineSymbols;
|
| 543 |
|
| 544 |
DynObject params = this.getParameters();
|
| 545 |
|
| 546 |
CsvPreference.Builder builder = null;
|
| 547 |
|
| 548 |
CsvPreference defaultPreference = CSVStoreParameters |
| 549 |
.getPredefinedCSVPreferences(params); |
| 550 |
if (defaultPreference == null) { |
| 551 |
defaultPreference = CsvPreference.STANDARD_PREFERENCE; |
| 552 |
} |
| 553 |
|
| 554 |
endOfLineSymbols = CSVStoreParameters.getRecordSeparator(params); |
| 555 |
if (isEmpty(endOfLineSymbols)) {
|
| 556 |
endOfLineSymbols = defaultPreference.getEndOfLineSymbols(); |
| 557 |
} |
| 558 |
s = CSVStoreParameters.getQuoteCharacter(params); |
| 559 |
if (isEmpty(s)) {
|
| 560 |
quoteChar = (char) defaultPreference.getQuoteChar();
|
| 561 |
} else {
|
| 562 |
quoteChar = s.charAt(0);
|
| 563 |
} |
| 564 |
s = CSVStoreParameters.getDelimiter(params); |
| 565 |
if (isEmpty(s)) {
|
| 566 |
delimiterChar = defaultPreference.getDelimiterChar(); |
| 567 |
} else {
|
| 568 |
delimiterChar = s.charAt(0);
|
| 569 |
} |
| 570 |
|
| 571 |
builder = new CsvPreference.Builder(quoteChar, delimiterChar,
|
| 572 |
endOfLineSymbols); |
| 573 |
|
| 574 |
s = CSVStoreParameters.getCommentStartMarker(params); |
| 575 |
if (!isEmpty(s)) {
|
| 576 |
CommentStartsWith cs = new CommentStartsWith(s);
|
| 577 |
builder.skipComments(cs); |
| 578 |
} |
| 579 |
|
| 580 |
builder.surroundingSpacesNeedQuotes(CSVStoreParameters |
| 581 |
.getSurroundingSpacesNeedQuotes(params)); |
| 582 |
QuoteMode quoteMode = CSVStoreParameters.getQuoteMode(params); |
| 583 |
if( quoteMode != null ) { |
| 584 |
builder.useQuoteMode(quoteMode); |
| 585 |
} |
| 586 |
return builder.build();
|
| 587 |
} catch (Exception e) { |
| 588 |
logger.warn("Can't make preferences for CSV '" + getFullFileName()
|
| 589 |
+ "'.", e);
|
| 590 |
return null; |
| 591 |
} |
| 592 |
} |
| 593 |
|
| 594 |
private EditableFeatureType getFeatureType(String headers[], int automaticTypes[]) { |
| 595 |
EditableFeatureType fType = getStoreServices().createFeatureType(this.getName());
|
| 596 |
fType.setHasOID(true);
|
| 597 |
DataTypesManager dataTypesManager = ToolsLocator.getDataTypesManager(); |
| 598 |
|
| 599 |
int[] types = new int[headers.length]; |
| 600 |
int[] sizes = new int[headers.length]; |
| 601 |
//
|
| 602 |
// Calculamos cuales pueden ser los tipos de datos
|
| 603 |
//
|
| 604 |
|
| 605 |
// Por defecto todos string
|
| 606 |
for( int i=0; i<types.length ; i++) { |
| 607 |
types[i] = DataTypes.STRING; |
| 608 |
sizes[i] = 0;
|
| 609 |
} |
| 610 |
|
| 611 |
// Luego asuminos los tipos pasados por parametro, que se supone
|
| 612 |
// son los detectados automaticamente.
|
| 613 |
if (automaticTypes != null) { |
| 614 |
for (int i = 0; i < types.length && i < automaticTypes.length; i++) { |
| 615 |
types[i] = automaticTypes[i]; |
| 616 |
} |
| 617 |
} |
| 618 |
|
| 619 |
// Luego probamos con lo que diga las cabezeras del CVS, sobreescribiendo
|
| 620 |
// los tipos anteriores en caso de definirse en la cabezara.
|
| 621 |
// El formato de la cabecera seria:
|
| 622 |
// name[:typename[:size]]
|
| 623 |
// name[__typename[__size]]
|
| 624 |
//
|
| 625 |
for( int i=0; i<types.length; i++) { |
| 626 |
String s = headers[i];
|
| 627 |
String typename = null; |
| 628 |
String[] ss = null; |
| 629 |
if( s.contains(":") ) { |
| 630 |
ss = s.split(":");
|
| 631 |
} else if( s.contains("__") ) { |
| 632 |
ss = s.split("__");
|
| 633 |
} |
| 634 |
if( ss!=null ) { |
| 635 |
headers[i] = ss[0];
|
| 636 |
typename = ss[1];
|
| 637 |
types[i] = dataTypesManager.getType(typename); |
| 638 |
if( types[i]==DataTypes.INVALID ) {
|
| 639 |
types[i] = DataTypes.STRING; |
| 640 |
logger.info("Type '"+typename+"' not valid for attribute '"+s+"' in CSV file '"+this.getFullFileName()+"'."); |
| 641 |
} |
| 642 |
if( types[i]== DataTypes.STRING && ss.length>2 ) { |
| 643 |
try {
|
| 644 |
sizes[i] = Integer.parseInt(ss[2]); |
| 645 |
} catch(Exception ex) { |
| 646 |
logger.warn("Ignore incorrect field size for field "+i+" ("+s+") in CSV header of '"+getFullFileName()+"'.",ex); |
| 647 |
} |
| 648 |
} |
| 649 |
} |
| 650 |
} |
| 651 |
|
| 652 |
// Y por ultimo hacemos caso a lo que se haya especificado en los parametros
|
| 653 |
// de apertura del CSV, teniendo esto prioridad sobre todo.
|
| 654 |
int[] param_types = CSVStoreParameters.getFieldTypes(this.getParameters()); |
| 655 |
if( param_types != null ) { |
| 656 |
for( int i=0; i<types.length && i<param_types.length; i++) { |
| 657 |
types[i] = param_types[i]; |
| 658 |
} |
| 659 |
} |
| 660 |
|
| 661 |
//
|
| 662 |
// Una vez ya sabemos los tipos de datos rellenamos el feature-type
|
| 663 |
//
|
| 664 |
int[] param_sizes = CSVStoreParameters.getFieldSizes(this.getParameters()); |
| 665 |
for(int i=0; i<types.length; i++) { |
| 666 |
int fieldType = types[i];
|
| 667 |
String fieldName = headers[i];
|
| 668 |
EditableFeatureAttributeDescriptor fad = fType.add(fieldName, fieldType); |
| 669 |
if( param_sizes!=null && i<param_sizes.length && param_sizes[i]>0 ) { |
| 670 |
fad.setSize(param_sizes[i]); |
| 671 |
} else {
|
| 672 |
fad.setSize(sizes[i]); |
| 673 |
} |
| 674 |
if( fieldType == DataTypes.GEOMETRY && fType.getDefaultGeometryAttributeName() == null) { |
| 675 |
fType.setDefaultGeometryAttributeName(fieldName); |
| 676 |
} |
| 677 |
} |
| 678 |
String[] pointDimensionNames = CSVStoreParameters.getPointDimensionNames(this.getParameters()); |
| 679 |
if( pointDimensionNames!= null ) { |
| 680 |
EditableFeatureAttributeDescriptor attr = fType.add("GEOM", DataTypes.GEOMETRY, new ToPointEvaluaror(pointDimensionNames)); |
| 681 |
GeometryManager geommgr = GeometryLocator.getGeometryManager(); |
| 682 |
GeometryType gt; |
| 683 |
try {
|
| 684 |
gt = geommgr.getGeometryType(Geometry.TYPES.GEOMETRY, Geometry.SUBTYPES.GEOM3D); |
| 685 |
attr.setGeometryType(gt); |
| 686 |
} catch (Exception e) { |
| 687 |
logger.warn("Can't set geometry type for the calculated field in CSV file '"+getFullFileName()+"'.",e); |
| 688 |
} |
| 689 |
} |
| 690 |
return fType;
|
| 691 |
} |
| 692 |
|
| 693 |
static class ToPointEvaluaror extends AbstractEvaluator { |
| 694 |
|
| 695 |
private static final Logger logger = LoggerFactory.getLogger(ToPointEvaluaror.class); |
| 696 |
|
| 697 |
private GeometryManager geommgr = null; |
| 698 |
private String xname = null; |
| 699 |
private String yname = null; |
| 700 |
private String zname = null; |
| 701 |
private Coercion toDouble;
|
| 702 |
private int errorcount = 0; |
| 703 |
ToPointEvaluaror(String[] pointDimensionNames) { |
| 704 |
this.xname = pointDimensionNames[0]; |
| 705 |
this.yname = pointDimensionNames[1]; |
| 706 |
if( pointDimensionNames.length >2 ) { |
| 707 |
this.yname = pointDimensionNames[2]; |
| 708 |
} |
| 709 |
this.geommgr = GeometryLocator.getGeometryManager();
|
| 710 |
this.toDouble = ToolsLocator.getDataTypesManager().getCoercion(DataTypes.DOUBLE);
|
| 711 |
} |
| 712 |
|
| 713 |
public Object evaluate(EvaluatorData data) throws EvaluatorException { |
| 714 |
try {
|
| 715 |
double x = ((Double) toDouble.coerce(data.getDataValue(xname))).doubleValue(); |
| 716 |
double y = ((Double) toDouble.coerce(data.getDataValue(yname))).doubleValue(); |
| 717 |
Point point = geommgr.createPoint(x, y,Geometry.SUBTYPES.GEOM3D);
|
| 718 |
if (zname != null) { |
| 719 |
double z = ((Double) toDouble.coerce(data.getDataValue(zname))).doubleValue(); |
| 720 |
point.setCoordinateAt(2, z);
|
| 721 |
} |
| 722 |
return point;
|
| 723 |
} catch (Exception ex) { |
| 724 |
if( ++errorcount <5 ) { |
| 725 |
logger.warn("["+errorcount+"] Can't create point in CSV provider. XNAME='"+ |
| 726 |
xname + "', YNAME='"+yname+"', ZNAME='"+zname+"', data="+data.toString()); |
| 727 |
} |
| 728 |
return null; |
| 729 |
} |
| 730 |
} |
| 731 |
|
| 732 |
public String getName() { |
| 733 |
return "ToPointEvaluaror"; |
| 734 |
} |
| 735 |
|
| 736 |
} |
| 737 |
|
| 738 |
private void loadFeatures() throws IOException, DataException, |
| 739 |
CoercionException, CloneNotSupportedException {
|
| 740 |
//
|
| 741 |
// http://supercsv.sourceforge.net/examples_reading.html
|
| 742 |
// http://supercsv.sourceforge.net/apidocs/index.html
|
| 743 |
//
|
| 744 |
FileReader in = null; |
| 745 |
CsvListReader reader = null;
|
| 746 |
try {
|
| 747 |
String headers[] = null; |
| 748 |
FeatureStoreProviderServices store = this.getStoreServices();
|
| 749 |
|
| 750 |
boolean ignore_errors = CSVStoreParameters.getIgnoreErrors(getCSVParameters());
|
| 751 |
|
| 752 |
// Initiaize the CSV parser
|
| 753 |
CsvPreference preferences = getCSVPreferences(); |
| 754 |
in = new FileReader(this.getCSVParameters().getFile()); |
| 755 |
|
| 756 |
reader = new CsvListReader(in, preferences);
|
| 757 |
headers = CSVStoreParameters.getHeaders(getCSVParameters()); |
| 758 |
if (headers == null) { |
| 759 |
headers = reader.getHeader(true);
|
| 760 |
if (headers == null) { |
| 761 |
String msg = "Can't retrieve header from csv file '" |
| 762 |
+ this.getCSVParameters().getFile()
|
| 763 |
.getAbsolutePath() |
| 764 |
+ "' and not specified in the parameters.";
|
| 765 |
logger.warn(msg); |
| 766 |
throw new RuntimeException(msg); |
| 767 |
} |
| 768 |
} |
| 769 |
|
| 770 |
// Initialize the feature types
|
| 771 |
EditableFeatureType edftype = this.getFeatureType(headers, automaticDetectionOfTypes());
|
| 772 |
FeatureType ftype = edftype.getNotEditableCopy(); |
| 773 |
List<FeatureType> ftypes = new ArrayList<FeatureType>(); |
| 774 |
ftypes.add(ftype); |
| 775 |
store.setFeatureTypes(ftypes, ftype); |
| 776 |
|
| 777 |
Coercion coercion[] = new Coercion[ftype.size()]; |
| 778 |
int sizes[] = new int[ftype.size()]; |
| 779 |
for (int i = 0; i < ftype.size(); i++) { |
| 780 |
sizes[i] = -1;
|
| 781 |
FeatureAttributeDescriptor ad = ftype.getAttributeDescriptor(i); |
| 782 |
coercion[i] = ad.getDataType().getCoercion(); |
| 783 |
if( ad.getDataType().getType() == DataTypes.STRING ) {
|
| 784 |
if( ad.getSize() == 0 ) { |
| 785 |
// Es un string y no tiene un size asignado.
|
| 786 |
// Lo ponemos a cero para calcularlo.
|
| 787 |
sizes[i] = 0;
|
| 788 |
} |
| 789 |
} |
| 790 |
} |
| 791 |
if( ftype.getDefaultGeometryAttributeName() != null) { |
| 792 |
this.need_calculate_envelope = true; |
| 793 |
} |
| 794 |
|
| 795 |
Locale locale = CSVStoreParameters.getLocale(getCSVParameters());
|
| 796 |
taskStatus.message("_loading");
|
| 797 |
int count = 0; |
| 798 |
|
| 799 |
int count_errors = 0; |
| 800 |
List<String> row = reader.read(); |
| 801 |
|
| 802 |
while (row != null) { |
| 803 |
taskStatus.setCurValue(++count); |
| 804 |
FeatureProvider feature = this.createFeatureProvider(ftype);
|
| 805 |
for (int i = 0; i < row.size(); i++) { |
| 806 |
Object rawvalue = row.get(i);
|
| 807 |
try {
|
| 808 |
Object value = null; |
| 809 |
if( locale != null && coercion[i] instanceof CoercionWithLocale ) { |
| 810 |
value = ((CoercionWithLocale)(coercion[i])).coerce(rawvalue, locale); |
| 811 |
} else {
|
| 812 |
value = coercion[i].coerce(rawvalue); |
| 813 |
} |
| 814 |
feature.set(i, value); |
| 815 |
if (sizes[i] >= 0 && value != null) { |
| 816 |
int x = ((String) value).length(); |
| 817 |
if (sizes[i] < x) {
|
| 818 |
sizes[i] = x; |
| 819 |
} |
| 820 |
} |
| 821 |
} catch (RuntimeException ex) { |
| 822 |
if (!ignore_errors) {
|
| 823 |
throw ex;
|
| 824 |
} |
| 825 |
if( count_errors++ <10 ) { |
| 826 |
logger.warn("Can't load value of attribute "+i+" in row "+count+".",ex); |
| 827 |
} |
| 828 |
if( count_errors==10 ) { |
| 829 |
logger.info("Too many errors, suppress messages.");
|
| 830 |
} |
| 831 |
} |
| 832 |
} |
| 833 |
this.addFeatureProvider(feature);
|
| 834 |
row = reader.read(); |
| 835 |
} |
| 836 |
for (int i = 0; i < ftype.size(); i++) { |
| 837 |
if( sizes[i]>0 ) { |
| 838 |
EditableFeatureAttributeDescriptor efad = ((EditableFeatureAttributeDescriptor)edftype.getAttributeDescriptor(i)); |
| 839 |
efad.setSize(sizes[i]); |
| 840 |
} |
| 841 |
} |
| 842 |
// Volvemos a asignar al store el featuretype, ya que puede
|
| 843 |
// haber cambiado.
|
| 844 |
ftype = edftype.getNotEditableCopy(); |
| 845 |
ftypes = new ArrayList<FeatureType>(); |
| 846 |
ftypes.add(ftype); |
| 847 |
store.setFeatureTypes(ftypes, ftype); |
| 848 |
|
| 849 |
taskStatus.terminate(); |
| 850 |
} finally {
|
| 851 |
if( reader != null ) { |
| 852 |
try {
|
| 853 |
reader.close(); |
| 854 |
} catch(Exception ex) { |
| 855 |
// Do nothing
|
| 856 |
} |
| 857 |
reader = null;
|
| 858 |
} |
| 859 |
if( in != null ) { |
| 860 |
try {
|
| 861 |
in.close(); |
| 862 |
} catch(Exception ex) { |
| 863 |
// Do nothing
|
| 864 |
} |
| 865 |
in = null;
|
| 866 |
} |
| 867 |
} |
| 868 |
} |
| 869 |
|
| 870 |
private int[] automaticDetectionOfTypes() throws IOException { |
| 871 |
boolean automatic_types_detection = CSVStoreParameters.getAutomaticTypesDetection(getCSVParameters());
|
| 872 |
if( !automatic_types_detection ) {
|
| 873 |
return null; |
| 874 |
} |
| 875 |
|
| 876 |
final int T_INT = 0; |
| 877 |
final int T_FLOAT = 1; |
| 878 |
final int T_DOUBLE = 2; |
| 879 |
final int T_LONG = 3; |
| 880 |
final int T_URL = 4; |
| 881 |
final int T_DATE = 5; |
| 882 |
boolean possibleDataTypes[][] = null; |
| 883 |
int[] types = null; |
| 884 |
|
| 885 |
FileReader in = null; |
| 886 |
CsvListReader reader = null;
|
| 887 |
String headers[] = null; |
| 888 |
SimpleDateFormat dateFormat = new SimpleDateFormat(); |
| 889 |
|
| 890 |
try {
|
| 891 |
CsvPreference preferences = getCSVPreferences(); |
| 892 |
in = new FileReader(this.getCSVParameters().getFile()); |
| 893 |
|
| 894 |
reader = new CsvListReader(in, preferences);
|
| 895 |
headers = reader.getHeader(true);
|
| 896 |
if (headers == null) { |
| 897 |
headers = CSVStoreParameters.getHeaders(getCSVParameters()); |
| 898 |
} |
| 899 |
types = new int[headers.length]; |
| 900 |
|
| 901 |
possibleDataTypes = new boolean[headers.length][6]; |
| 902 |
for (int i = 0; i < possibleDataTypes.length; i++) { |
| 903 |
for( int j=0; j<4; j++ ) { |
| 904 |
possibleDataTypes[i][j] = true;
|
| 905 |
} |
| 906 |
} |
| 907 |
List<String> row = reader.read(); |
| 908 |
|
| 909 |
while (row != null) { |
| 910 |
for (int i = 0; i < row.size(); i++) { |
| 911 |
Object rawvalue = row.get(i);
|
| 912 |
Object value = null; |
| 913 |
if( possibleDataTypes[i][T_DOUBLE] ) {
|
| 914 |
try {
|
| 915 |
value = Double.parseDouble((String) rawvalue); |
| 916 |
possibleDataTypes[i][T_DOUBLE] = true;
|
| 917 |
} catch (Exception ex) { |
| 918 |
possibleDataTypes[i][T_DOUBLE] = false;
|
| 919 |
} |
| 920 |
} |
| 921 |
if( possibleDataTypes[i][T_FLOAT] ) {
|
| 922 |
try {
|
| 923 |
value = Float.parseFloat((String) rawvalue); |
| 924 |
possibleDataTypes[i][T_FLOAT] = true;
|
| 925 |
} catch (Exception ex) { |
| 926 |
possibleDataTypes[i][T_FLOAT] = false;
|
| 927 |
} |
| 928 |
} |
| 929 |
if (possibleDataTypes[i][T_LONG]) {
|
| 930 |
try {
|
| 931 |
value = Long.parseLong((String) rawvalue); |
| 932 |
possibleDataTypes[i][T_LONG] = true;
|
| 933 |
} catch (Exception ex) { |
| 934 |
possibleDataTypes[i][T_LONG] = false;
|
| 935 |
} |
| 936 |
} |
| 937 |
if (possibleDataTypes[i][T_INT]) {
|
| 938 |
try {
|
| 939 |
value = Integer.parseInt((String) rawvalue); |
| 940 |
possibleDataTypes[i][T_INT] = true;
|
| 941 |
} catch (Exception ex) { |
| 942 |
possibleDataTypes[i][T_INT] = false;
|
| 943 |
} |
| 944 |
} |
| 945 |
if (possibleDataTypes[i][T_DATE]) {
|
| 946 |
try {
|
| 947 |
value = dateFormat.parse((String) rawvalue);
|
| 948 |
possibleDataTypes[i][T_DATE] = true;
|
| 949 |
} catch (Exception ex) { |
| 950 |
possibleDataTypes[i][T_DATE] = false;
|
| 951 |
} |
| 952 |
} |
| 953 |
if (possibleDataTypes[i][T_URL]) {
|
| 954 |
try {
|
| 955 |
value = new URL((String) rawvalue); |
| 956 |
possibleDataTypes[i][T_URL] = true;
|
| 957 |
} catch (Exception ex) { |
| 958 |
possibleDataTypes[i][T_URL] = false;
|
| 959 |
} |
| 960 |
} |
| 961 |
} |
| 962 |
row = reader.read(); |
| 963 |
} |
| 964 |
} finally {
|
| 965 |
if (reader != null) { |
| 966 |
try {
|
| 967 |
reader.close(); |
| 968 |
} catch (Exception ex) { |
| 969 |
// Do nothing
|
| 970 |
} |
| 971 |
reader = null;
|
| 972 |
} |
| 973 |
if (in != null) { |
| 974 |
try {
|
| 975 |
in.close(); |
| 976 |
} catch (Exception ex) { |
| 977 |
// Do nothing
|
| 978 |
} |
| 979 |
in = null;
|
| 980 |
} |
| 981 |
|
| 982 |
} |
| 983 |
for (int i = 0; i < possibleDataTypes.length ; i++) { |
| 984 |
if( possibleDataTypes[i][T_INT] ) {
|
| 985 |
types[i] = DataTypes.INT; |
| 986 |
continue;
|
| 987 |
} |
| 988 |
if( possibleDataTypes[i][T_LONG] ) {
|
| 989 |
types[i] = DataTypes.LONG; |
| 990 |
continue;
|
| 991 |
} |
| 992 |
if( possibleDataTypes[i][T_FLOAT] ) {
|
| 993 |
types[i] = DataTypes.FLOAT; |
| 994 |
continue;
|
| 995 |
} |
| 996 |
if( possibleDataTypes[i][T_DOUBLE] ) {
|
| 997 |
types[i] = DataTypes.DOUBLE; |
| 998 |
continue;
|
| 999 |
} |
| 1000 |
if( possibleDataTypes[i][T_URL] ) {
|
| 1001 |
types[i] = DataTypes.URL; |
| 1002 |
continue;
|
| 1003 |
} |
| 1004 |
if( possibleDataTypes[i][T_DATE] ) {
|
| 1005 |
types[i] = DataTypes.DATE; |
| 1006 |
continue;
|
| 1007 |
} |
| 1008 |
types[i] = DataTypes.STRING; |
| 1009 |
} |
| 1010 |
return types;
|
| 1011 |
} |
| 1012 |
|
| 1013 |
} |