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.dbf / src / main / java / org / gvsig / fmap / dal / store / dbf / DBFStoreProvider.java @ 40559
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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.dbf; |
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import java.io.File; |
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import java.io.IOException; |
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import java.nio.charset.Charset; |
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import java.text.DateFormat; |
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import java.text.ParseException; |
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import java.util.ArrayList; |
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import java.util.Date; |
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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.FileUtils; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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|
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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.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.CloseException; |
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import org.gvsig.fmap.dal.exception.DataException; |
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import org.gvsig.fmap.dal.exception.FileNotFoundException; |
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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.UnsupportedVersionException; |
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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.FeatureQuery; |
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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.exception.UnknownDataTypeException; |
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import org.gvsig.fmap.dal.feature.spi.AbstractFeatureStoreProvider; |
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import org.gvsig.fmap.dal.feature.spi.FeatureProvider; |
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import org.gvsig.fmap.dal.feature.spi.FeatureReferenceProviderServices; |
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import org.gvsig.fmap.dal.feature.spi.FeatureSetProvider; |
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import org.gvsig.fmap.dal.resource.ResourceAction; |
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import org.gvsig.fmap.dal.resource.exception.AccessResourceException; |
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import org.gvsig.fmap.dal.resource.exception.ResourceException; |
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import org.gvsig.fmap.dal.resource.exception.ResourceExecuteException; |
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import org.gvsig.fmap.dal.resource.exception.ResourceNotifyChangesException; |
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import org.gvsig.fmap.dal.resource.exception.ResourceNotifyCloseException; |
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import org.gvsig.fmap.dal.resource.exception.ResourceNotifyOpenException; |
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import org.gvsig.fmap.dal.resource.file.FileResource; |
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import org.gvsig.fmap.dal.resource.spi.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.dbf.utils.DbaseFile; |
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import org.gvsig.metadata.MetadataLocator; |
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import org.gvsig.metadata.MetadataManager; |
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import org.gvsig.metadata.exceptions.MetadataException; |
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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.exception.BaseException; |
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public class DBFStoreProvider extends AbstractFeatureStoreProvider implements |
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ResourceConsumer {
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private static final Logger LOG = LoggerFactory.getLogger(DBFStoreProvider.class); |
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public static String NAME = "DBF"; |
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public static String DESCRIPTION = "DBF file"; |
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private static final Locale ukLocale = new Locale("en", "UK"); |
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public static final String METADATA_DEFINITION_NAME = NAME; |
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private static final String METADATA_ENCODING = "Encoding"; |
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private static final String METADATA_CODEPAGE = "CodePage"; |
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private DbaseFile dbfFile = null; |
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private ResourceProvider dbfResource;
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private long counterNewsOIDs = -1; |
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private DBFFeatureWriter writer;
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private static long lastLogTime = 0; |
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protected static void registerMetadataDefinition() throws MetadataException { |
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MetadataManager manager = MetadataLocator.getMetadataManager(); |
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if( manager.getDefinition(METADATA_DEFINITION_NAME)==null ) { |
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manager.addDefinition( |
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METADATA_DEFINITION_NAME, |
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DBFStoreParameters.class.getResourceAsStream("DBFStoreMetadata.xml"),
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DBFStoreParameters.class.getClassLoader() |
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); |
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} |
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} |
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public DBFStoreProvider(DBFStoreParameters params,
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DataStoreProviderServices storeServices) |
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throws InitializeException {
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super(
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params, |
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storeServices, |
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FileHelper.newMetadataContainer(METADATA_DEFINITION_NAME) |
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); |
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this.init(params, storeServices);
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} |
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protected DBFStoreProvider(DBFStoreParameters params,
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DataStoreProviderServices storeServices, DynObject metadata) |
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throws InitializeException {
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super(params, storeServices, metadata);
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this.init(params, storeServices);
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} |
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protected void init(DBFStoreParameters params, |
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DataStoreProviderServices storeServices) throws InitializeException {
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if( params == null ) { |
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throw new InitializeException( new NullPointerException("params is null") ); |
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} |
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File theFile = getDBFParameters().getDBFFile();
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if( theFile == null ) { |
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throw new InitializeException( new NullPointerException("dbf file is null") ); |
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} |
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initResource(params, storeServices); |
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Charset charset = params.getEncoding();
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this.dbfFile = new DbaseFile(theFile, charset); |
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writer = new DBFFeatureWriter(this.getProviderName()); |
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this.initFeatureType();
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} |
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public Object getDynValue(String name) throws DynFieldNotFoundException { |
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try {
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this.open();
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} catch (OpenException e) {
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throw new RuntimeException(e); |
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} |
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if( METADATA_ENCODING.equalsIgnoreCase(name) ) {
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return this.dbfFile.getOriginalCharset(); |
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} else if( METADATA_CODEPAGE.equalsIgnoreCase(name) ) { |
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return new Byte(this.dbfFile.getCodePage()); |
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} |
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return super.getDynValue(name); |
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} |
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protected void initResource(DBFStoreParameters params, |
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DataStoreProviderServices storeServices) throws InitializeException {
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File theFile = getDBFParameters().getDBFFile();
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dbfResource = |
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this.createResource(FileResource.NAME,
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new Object[] { theFile.getAbsolutePath() }); |
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dbfResource.addConsumer(this);
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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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protected DBFStoreParameters getDBFParameters() {
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return (DBFStoreParameters) super.getParameters(); |
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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.getDBFParameters().getDBFFile().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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// TODO Auto-generated catch block
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throw new ReadException(this.getProviderName(), e); |
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} |
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} |
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protected FeatureProvider internalGetFeatureProviderByReference(
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FeatureReferenceProviderServices reference, FeatureType featureType) |
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throws DataException {
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return this.getFeatureProviderByIndex( |
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((Long) reference.getOID()).longValue(), featureType);
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} |
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public void performChanges(Iterator deleteds, Iterator inserteds, |
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Iterator updateds, Iterator originalFeatureTypesUpdated) |
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throws PerformEditingException {
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try {
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final FeatureStore store =
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this.getStoreServices().getFeatureStore();
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getResource().execute(new ResourceAction() {
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public Object run() throws Exception { |
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FeatureSet set = null;
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DisposableIterator iter = null;
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try {
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set = store.getFeatureSet(); |
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DBFStoreParameters tmpParams = |
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(DBFStoreParameters) getDBFParameters().getCopy(); |
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File tmp_file = File.createTempFile( |
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"tmp_" + System.currentTimeMillis(), ".dbf"); |
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tmp_file.deleteOnExit(); |
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tmpParams.setDBFFile(tmp_file); |
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writer.begin(tmpParams, store.getDefaultFeatureType(), |
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set.getSize()); |
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iter = set.fastIterator(); |
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while (iter.hasNext()) {
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Feature feature = (Feature) iter.next(); |
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writer.append(feature); |
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} |
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writer.end(); |
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try {
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close(); |
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} catch (CloseException e1) {
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throw new PerformEditingException(getProviderName(), e1); |
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} |
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getDBFParameters().getDBFFile().delete(); |
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File target_file = getDBFParameters().getDBFFile();
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if (target_file.exists()) {
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target_file.delete(); |
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} |
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tmp_file.renameTo(target_file); |
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if (tmp_file.exists() && !target_file.exists()) {
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// Renaming failed, let's simply copy.
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// We assume we cannot delete it, but we
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// used deleteOnExit and it's
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// temporary, so no problem
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LOG.info("Warning: copying tmp file instead of renaming: "
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+ target_file.getName()); |
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FileUtils.copyFile(tmp_file, target_file); |
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} |
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resourcesNotifyChanges(); |
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initFeatureType(); |
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} finally {
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if (set != null) { |
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set.dispose(); |
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} |
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if (iter != null) { |
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iter.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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} catch (ResourceExecuteException e) {
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throw new PerformEditingException(this.getProviderName(), e); |
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} |
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this.counterNewsOIDs = -1; |
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} |
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/*
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* ==================================================
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*/
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public FeatureProvider createFeatureProvider(FeatureType type) throws DataException { |
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return new DBFFeatureProvider(this, type); |
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} |
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/*
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* ===================================================
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*/
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protected void initFeatureType() throws InitializeException { |
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try {
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FeatureType defaultType = |
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this.getTheFeatureType().getNotEditableCopy();
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List types = new ArrayList(1); |
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types.add(defaultType); |
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this.getStoreServices().setFeatureTypes(types, defaultType);
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} catch (OpenException e) {
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throw new InitializeException(getResource().toString(), e); |
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} |
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} |
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protected EditableFeatureType getTheFeatureType()
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throws InitializeException, OpenException {
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try {
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this.open();
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} catch (DataException e) {
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throw new InitializeException(this.getProviderName(), e); |
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} |
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return (EditableFeatureType) getResource().execute(
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new ResourceAction() {
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public Object run() throws Exception { |
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int fieldCount = -1; |
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fieldCount = dbfFile.getFieldCount(); |
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EditableFeatureType fType = |
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getStoreServices().createFeatureType(); |
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fType.setHasOID(true);
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int precision;
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for (int i = 0; i < fieldCount; i++) { |
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char fieldType = dbfFile.getFieldType(i);
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EditableFeatureAttributeDescriptor attr; |
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|
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if (fieldType == 'L') { |
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attr = |
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fType.add(dbfFile.getFieldName(i), |
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DataTypes.BOOLEAN); |
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attr.setDefaultValue(new Boolean(false)); |
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attr.setAllowNull(false);
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|
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} else if ((fieldType == 'F') || (fieldType == 'N')) { |
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precision = dbfFile.getFieldDecimalLength(i); |
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if (precision > 0) { |
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attr = |
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fType.add(dbfFile.getFieldName(i), |
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DataTypes.DOUBLE, |
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dbfFile.getFieldLength(i)); |
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attr.setPrecision(precision); |
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attr.setDefaultValue(new Double(0)); |
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|
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} else {
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int length = dbfFile.getFieldLength(i);
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int type = DataTypes.INT;
|
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if (length > 9){ |
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type = DataTypes.LONG; |
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} |
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attr = |
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fType.add(dbfFile.getFieldName(i), |
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type, |
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length); |
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attr.setDefaultValue(new Integer(0)); |
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} |
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attr.setAllowNull(false);
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|
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} else if (fieldType == 'C') { |
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attr = |
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fType.add(dbfFile.getFieldName(i), |
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DataTypes.STRING); |
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attr.setSize(dbfFile.getFieldLength(i)); |
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attr.setDefaultValue("");
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|
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|
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attr.setAllowNull(false);
|
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|
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} else if (fieldType == 'D') { |
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attr = |
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fType.add(dbfFile.getFieldName(i), |
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DataTypes.DATE); |
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/*
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* def value 1-1-1970
|
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*/
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attr.setDefaultValue(new Date(0)); |
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attr.setAllowNull(false);
|
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} else {
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throw new InitializeException(getProviderName(), |
| 396 |
new UnknownDataTypeException(
|
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dbfFile.getFieldName(i), ""
|
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+ fieldType, getProviderName())); |
| 399 |
} |
| 400 |
} |
| 401 |
|
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// FeatureRules rules = fType.getRules();
|
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// rules.add(new DBFRowValidator());
|
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return fType;
|
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} |
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}); |
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} |
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|
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|
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protected void loadValue(FeatureProvider featureProvider, int rowIndex, |
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FeatureAttributeDescriptor descriptor) throws ReadException {
|
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|
| 413 |
if (descriptor.getEvaluator() != null) { |
| 414 |
// Nothing to do
|
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return;
|
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} |
| 417 |
|
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int dbfIndex = this.dbfFile.getFieldIndex(descriptor.getName()); |
| 419 |
|
| 420 |
if (dbfIndex < 0) { |
| 421 |
// Someone asked to load a field
|
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// which does not exist in the DBF file. This can happen
|
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// in editing process when a field has been added
|
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// in the current editing session, so we simply do nothing.
|
| 425 |
// The expansion manager is expected to manage those new fields
|
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// and their values.
|
| 427 |
long curr_time = System.currentTimeMillis(); |
| 428 |
// This ensures not more than one log every 2 seconds
|
| 429 |
if (curr_time - lastLogTime > 2000) { |
| 430 |
LOG.info("Warning: The requested field does not exist in the DBF file. Assumed it's a new field in editing mode.");
|
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lastLogTime = curr_time; |
| 432 |
} |
| 433 |
return;
|
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} |
| 435 |
|
| 436 |
String value = null; |
| 437 |
try {
|
| 438 |
value = this.dbfFile.getStringFieldValue(rowIndex, dbfIndex);
|
| 439 |
} catch (DataException e) {
|
| 440 |
throw new ReadException(this.getProviderName(), e); |
| 441 |
} |
| 442 |
value = value.trim(); |
| 443 |
int fieldType = descriptor.getType();
|
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switch (fieldType) {
|
| 445 |
case DataTypes.STRING:
|
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featureProvider.set(descriptor.getIndex(), value); |
| 447 |
break;
|
| 448 |
|
| 449 |
case DataTypes.DOUBLE:
|
| 450 |
try {
|
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featureProvider.set(descriptor.getIndex(), new Double(value)); |
| 452 |
} catch (NumberFormatException e) { |
| 453 |
featureProvider.set(descriptor.getIndex(), null);
|
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} |
| 455 |
break;
|
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|
| 457 |
case DataTypes.INT:
|
| 458 |
try {
|
| 459 |
featureProvider.set(descriptor.getIndex(), new Integer(value)); |
| 460 |
} catch (NumberFormatException e) { |
| 461 |
featureProvider.set(descriptor.getIndex(), null);
|
| 462 |
} |
| 463 |
break;
|
| 464 |
|
| 465 |
case DataTypes.FLOAT:
|
| 466 |
try {
|
| 467 |
featureProvider.set(descriptor.getIndex(), new Float(value)); |
| 468 |
} catch (NumberFormatException e) { |
| 469 |
featureProvider.set(descriptor.getIndex(), null);
|
| 470 |
} |
| 471 |
break;
|
| 472 |
|
| 473 |
case DataTypes.LONG:
|
| 474 |
try {
|
| 475 |
featureProvider.set(descriptor.getIndex(), new Long(value)); |
| 476 |
} catch (NumberFormatException e) { |
| 477 |
featureProvider.set(descriptor.getIndex(), null);
|
| 478 |
} |
| 479 |
break;
|
| 480 |
|
| 481 |
case DataTypes.BOOLEAN:
|
| 482 |
if (value.equalsIgnoreCase("T")){ |
| 483 |
featureProvider.set(descriptor.getIndex(), Boolean.TRUE);
|
| 484 |
} else {
|
| 485 |
featureProvider.set(descriptor.getIndex(), Boolean.FALSE);
|
| 486 |
|
| 487 |
} |
| 488 |
break;
|
| 489 |
|
| 490 |
case DataTypes.BYTE:
|
| 491 |
try {
|
| 492 |
featureProvider.set(descriptor.getIndex(), new Byte(value)); |
| 493 |
} catch (NumberFormatException e) { |
| 494 |
featureProvider.set(descriptor.getIndex(), null);
|
| 495 |
} |
| 496 |
break;
|
| 497 |
|
| 498 |
case DataTypes.DATE:
|
| 499 |
if (value.equals("")){ |
| 500 |
value=null;
|
| 501 |
return;
|
| 502 |
} |
| 503 |
String year = value.substring(0, 4); |
| 504 |
String month = value.substring(4, 6); |
| 505 |
String day = value.substring(6, 8); |
| 506 |
DateFormat df;
|
| 507 |
if (descriptor.getDateFormat() == null){ |
| 508 |
df = DateFormat.getDateInstance(DateFormat.SHORT, |
| 509 |
ukLocale); |
| 510 |
} else{
|
| 511 |
df = descriptor.getDateFormat(); |
| 512 |
} |
| 513 |
/*
|
| 514 |
* Calendar c = Calendar.getInstance(); c.clear();
|
| 515 |
* c.set(Integer.parseInt(year), Integer.parseInt(month),
|
| 516 |
* Integer.parseInt(day)); c.set(Calendar.MILLISECOND, 0);
|
| 517 |
*/
|
| 518 |
String strAux = month + "/" + day + "/" + year; |
| 519 |
Date dat = null; |
| 520 |
try {
|
| 521 |
dat = df.parse(strAux); |
| 522 |
} catch (ParseException e) { |
| 523 |
throw new ReadException(this.getProviderName(), e); |
| 524 |
} |
| 525 |
featureProvider.set(descriptor.getIndex(), dat); |
| 526 |
break;
|
| 527 |
|
| 528 |
|
| 529 |
default:
|
| 530 |
featureProvider |
| 531 |
.set(descriptor.getIndex(), descriptor.getDefaultValue()); |
| 532 |
break;
|
| 533 |
} |
| 534 |
} |
| 535 |
|
| 536 |
|
| 537 |
/***
|
| 538 |
* NOT supported in Alter Mode
|
| 539 |
*
|
| 540 |
* @param index
|
| 541 |
* @return
|
| 542 |
* @throws ReadException
|
| 543 |
*/
|
| 544 |
protected FeatureProvider getFeatureProviderByIndex(long index) throws DataException { |
| 545 |
return this |
| 546 |
.getFeatureProviderByIndex(index, this.getStoreServices()
|
| 547 |
.getDefaultFeatureType()); |
| 548 |
} |
| 549 |
|
| 550 |
public long getFeatureCount() throws ReadException, OpenException, |
| 551 |
ResourceNotifyChangesException {
|
| 552 |
this.open();
|
| 553 |
return ((Long) getResource().execute(new ResourceAction() { |
| 554 |
public Object run() throws Exception { |
| 555 |
return Long.valueOf(dbfFile.getRecordCount()); |
| 556 |
} |
| 557 |
})).longValue(); |
| 558 |
} |
| 559 |
|
| 560 |
public FeatureSetProvider createSet(FeatureQuery query, FeatureType featureType)
|
| 561 |
throws DataException {
|
| 562 |
return new DBFSetProvider(this, query, featureType); |
| 563 |
} |
| 564 |
|
| 565 |
public boolean canCreate() { |
| 566 |
return true; |
| 567 |
} |
| 568 |
|
| 569 |
public boolean canWriteGeometry(int geometryType, int geometrySubType) throws DataException { |
| 570 |
return false; |
| 571 |
} |
| 572 |
|
| 573 |
public void open() throws OpenException { |
| 574 |
if (this.dbfFile.isOpen()) { |
| 575 |
return;
|
| 576 |
} |
| 577 |
try {
|
| 578 |
getResource().execute(new ResourceAction() {
|
| 579 |
public Object run() throws Exception { |
| 580 |
openFile(); |
| 581 |
resourcesOpen(); |
| 582 |
return null; |
| 583 |
} |
| 584 |
}); |
| 585 |
|
| 586 |
} catch (ResourceExecuteException e) {
|
| 587 |
throw new OpenException(this.getProviderName(), e); |
| 588 |
} |
| 589 |
} |
| 590 |
|
| 591 |
protected void openFile() throws FileNotFoundException, |
| 592 |
UnsupportedVersionException, IOException, DataException {
|
| 593 |
this.dbfFile.open();
|
| 594 |
} |
| 595 |
|
| 596 |
public void close() throws CloseException { |
| 597 |
if (dbfFile == null || !this.dbfFile.isOpen()) { |
| 598 |
return;
|
| 599 |
} |
| 600 |
super.close();
|
| 601 |
//Cerrar recurso
|
| 602 |
try {
|
| 603 |
getResource().execute(new ResourceAction() {
|
| 604 |
public Object run() throws Exception { |
| 605 |
closeFile(); |
| 606 |
resourcesNotifyClose(); |
| 607 |
return null; |
| 608 |
} |
| 609 |
}); |
| 610 |
} catch (ResourceExecuteException e) {
|
| 611 |
throw new CloseException(this.getProviderName(), e); |
| 612 |
} |
| 613 |
} |
| 614 |
|
| 615 |
protected void closeFile() throws CloseException { |
| 616 |
this.dbfFile.close();
|
| 617 |
} |
| 618 |
|
| 619 |
@Override
|
| 620 |
protected void doDispose() throws BaseException { |
| 621 |
this.close();
|
| 622 |
dbfFile = null;
|
| 623 |
disposeResource(); |
| 624 |
super.doDispose();
|
| 625 |
} |
| 626 |
|
| 627 |
protected void disposeResource() { |
| 628 |
this.dbfResource.removeConsumer(this); |
| 629 |
dbfResource = null;
|
| 630 |
} |
| 631 |
|
| 632 |
public boolean closeResourceRequested(ResourceProvider resource) { |
| 633 |
try {
|
| 634 |
this.close();
|
| 635 |
} catch (CloseException e) {
|
| 636 |
return false; |
| 637 |
} |
| 638 |
return true; |
| 639 |
} |
| 640 |
|
| 641 |
public boolean allowWrite() { |
| 642 |
File file;
|
| 643 |
try {
|
| 644 |
file = ((File) this.dbfResource.get()); |
| 645 |
} catch (AccessResourceException e) {
|
| 646 |
return false; |
| 647 |
} |
| 648 |
return file.canWrite();
|
| 649 |
} |
| 650 |
|
| 651 |
public void refresh() throws OpenException { |
| 652 |
try {
|
| 653 |
this.close();
|
| 654 |
} catch (CloseException e) {
|
| 655 |
throw new OpenException(this.getProviderName(), e); |
| 656 |
} |
| 657 |
this.open();
|
| 658 |
try {
|
| 659 |
this.initFeatureType();
|
| 660 |
} catch (InitializeException e) {
|
| 661 |
throw new OpenException(this.getProviderName(), e); |
| 662 |
} |
| 663 |
} |
| 664 |
|
| 665 |
/**
|
| 666 |
*
|
| 667 |
* @param index
|
| 668 |
* @param featureType
|
| 669 |
* @return
|
| 670 |
* @throws ReadException
|
| 671 |
*/
|
| 672 |
protected FeatureProvider getFeatureProviderByIndex(long index, |
| 673 |
FeatureType featureType) throws DataException {
|
| 674 |
FeatureProvider featureProvider = this.createFeatureProvider(featureType);
|
| 675 |
featureProvider.setOID(new Long(index)); |
| 676 |
return featureProvider;
|
| 677 |
} |
| 678 |
|
| 679 |
protected void initFeatureProviderByIndex(FeatureProvider featureProvider, |
| 680 |
long index, FeatureType featureType) throws DataException { |
| 681 |
featureProvider.setOID(new Long(index)); |
| 682 |
} |
| 683 |
|
| 684 |
/**
|
| 685 |
*
|
| 686 |
* @param featureProvider
|
| 687 |
* @throws DataException
|
| 688 |
*/
|
| 689 |
protected void loadFeatureProviderByIndex(FeatureProvider featureProvider) |
| 690 |
throws DataException {
|
| 691 |
|
| 692 |
long index = ((Long) featureProvider.getOID()).longValue(); |
| 693 |
int rec_count = this.dbfFile.getRecordCount(); |
| 694 |
|
| 695 |
if (index >= rec_count) {
|
| 696 |
|
| 697 |
ReadException rex = new ReadException(NAME,
|
| 698 |
new ArrayIndexOutOfBoundsException( |
| 699 |
"Index of requested feature (" +
|
| 700 |
index + ") is >= record count (" + rec_count + ")")); |
| 701 |
|
| 702 |
LOG.info("Error while loading feature. ", rex);
|
| 703 |
throw rex;
|
| 704 |
} |
| 705 |
|
| 706 |
Iterator iterator = featureProvider.getType().iterator();
|
| 707 |
while (iterator.hasNext()) {
|
| 708 |
FeatureAttributeDescriptor descriptor = |
| 709 |
(FeatureAttributeDescriptor) iterator.next(); |
| 710 |
this.loadValue(featureProvider, (int) index, descriptor); |
| 711 |
} |
| 712 |
} |
| 713 |
|
| 714 |
public int getOIDType() { |
| 715 |
return DataTypes.LONG;
|
| 716 |
} |
| 717 |
|
| 718 |
public Object createNewOID() { |
| 719 |
if (this.counterNewsOIDs < 0) { |
| 720 |
try {
|
| 721 |
this.counterNewsOIDs = this.getFeatureCount(); |
| 722 |
} catch (DataException e) {
|
| 723 |
e.printStackTrace(); |
| 724 |
} |
| 725 |
|
| 726 |
}else{
|
| 727 |
this.counterNewsOIDs++;
|
| 728 |
} |
| 729 |
return new Long(counterNewsOIDs); |
| 730 |
} |
| 731 |
|
| 732 |
public boolean supportsAppendMode() { |
| 733 |
return true; |
| 734 |
} |
| 735 |
|
| 736 |
|
| 737 |
public void append(final FeatureProvider featureProvider) |
| 738 |
throws DataException {
|
| 739 |
getResource().execute(new ResourceAction() {
|
| 740 |
public Object run() throws Exception { |
| 741 |
writer.append(getStoreServices().createFeature(featureProvider)); |
| 742 |
return null; |
| 743 |
} |
| 744 |
}); |
| 745 |
} |
| 746 |
|
| 747 |
public void beginAppend() throws DataException { |
| 748 |
this.close();
|
| 749 |
getResource().execute(new ResourceAction() {
|
| 750 |
public Object run() throws Exception { |
| 751 |
writer.begin(getDBFParameters(), |
| 752 |
getStoreServices().getDefaultFeatureType(), |
| 753 |
getStoreServices().getFeatureStore().getFeatureCount()); |
| 754 |
return null; |
| 755 |
} |
| 756 |
}); |
| 757 |
} |
| 758 |
|
| 759 |
public void endAppend() throws DataException { |
| 760 |
getResource().execute(new ResourceAction() {
|
| 761 |
public Object run() throws Exception { |
| 762 |
writer.end(); |
| 763 |
resourcesNotifyChanges(); |
| 764 |
counterNewsOIDs = -1;
|
| 765 |
return null; |
| 766 |
} |
| 767 |
}); |
| 768 |
} |
| 769 |
|
| 770 |
/*
|
| 771 |
* (non-Javadoc)
|
| 772 |
*
|
| 773 |
* @see
|
| 774 |
* org.gvsig.fmap.dal.resource.spi.ResourceConsumer#resourceChanged(org.
|
| 775 |
* gvsig.fmap.dal.resource.spi.ResourceProvider)
|
| 776 |
*/
|
| 777 |
public void resourceChanged(ResourceProvider resource) { |
| 778 |
this.getStoreServices().notifyChange(
|
| 779 |
DataStoreNotification.RESOURCE_CHANGED, |
| 780 |
resource); |
| 781 |
} |
| 782 |
|
| 783 |
/**
|
| 784 |
*
|
| 785 |
* @throws ResourceNotifyChangesException
|
| 786 |
*/
|
| 787 |
protected void resourcesNotifyChanges() |
| 788 |
throws ResourceNotifyChangesException {
|
| 789 |
this.dbfResource.notifyChanges();
|
| 790 |
} |
| 791 |
|
| 792 |
/**
|
| 793 |
* @throws ResourceNotifyCloseException
|
| 794 |
*
|
| 795 |
*/
|
| 796 |
protected void resourcesNotifyClose() throws ResourceNotifyCloseException { |
| 797 |
this.dbfResource.notifyClose();
|
| 798 |
} |
| 799 |
|
| 800 |
/**
|
| 801 |
* @throws ResourceNotifyOpenException
|
| 802 |
*
|
| 803 |
*/
|
| 804 |
protected void resourcesOpen() throws ResourceNotifyOpenException { |
| 805 |
this.dbfResource.notifyOpen();
|
| 806 |
} |
| 807 |
|
| 808 |
public Object getSourceId() { |
| 809 |
return this.getDBFParameters().getFile(); |
| 810 |
} |
| 811 |
|
| 812 |
public String getName() { |
| 813 |
String name = this.getDBFParameters().getFile().getName(); |
| 814 |
int n = name.lastIndexOf("."); |
| 815 |
if( n<1 ) { |
| 816 |
return name;
|
| 817 |
} |
| 818 |
return name.substring(0, n); |
| 819 |
} |
| 820 |
|
| 821 |
public String getFullName() { |
| 822 |
return this.getDBFParameters().getFile().getAbsolutePath(); |
| 823 |
} |
| 824 |
|
| 825 |
protected void resourceCloseRequest() throws ResourceException { |
| 826 |
this.dbfResource.closeRequest();
|
| 827 |
} |
| 828 |
|
| 829 |
public ResourceProvider getResource() {
|
| 830 |
return dbfResource;
|
| 831 |
} |
| 832 |
} |