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 @ 42625
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/**
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* gvSIG. Desktop Geographic Information System.
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*
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* Copyright (C) 2007-2013 gvSIG Association.
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*
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* This program is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License as published by the Free Software
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* Foundation; either version 3 of the License, or (at your option) any later
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* version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc., 51
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* Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* For any additional information, do not hesitate to contact us at info AT
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* gvsig.com, or visit our website www.gvsig.com.
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*/
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package org.gvsig.fmap.dal.store.dbf; |
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|
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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.text.SimpleDateFormat; |
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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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|
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import org.apache.commons.io.FileUtils; |
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import org.apache.commons.lang3.StringUtils; |
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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.AttributeNameException; |
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import org.gvsig.fmap.dal.feature.exception.AttributeNameTooLongException; |
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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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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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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 final int MAX_FIELD_NAME_LENGTH = DbaseFile.MAX_FIELD_NAME_LENGTH; |
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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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private boolean loTengoEnUso; |
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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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/*
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* This will throw an exception if there are new fields
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* with names too long
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*/
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checkNewFieldsNameSize(originalFeatureTypesUpdated); |
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try {
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// TODO repasar el concepto de enUso de un recurso.
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loTengoEnUso = true;
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final FeatureStore store
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= this.getStoreServices().getFeatureStore();
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resourceCloseRequest(); |
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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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loTengoEnUso = false;
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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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loTengoEnUso = false;
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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 | ResourceException 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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protected void checkNewFieldsNameSize(Iterator ft_upd) throws PerformEditingException { |
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String long_fields = getNewFieldsWithNameTooLong(ft_upd);
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if (long_fields != null) { |
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AttributeNameException ane = new AttributeNameTooLongException(
|
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long_fields, |
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getProviderName(), |
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MAX_FIELD_NAME_LENGTH); |
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throw new PerformEditingException(getProviderName(), ane); |
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} |
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} |
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|
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/**
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* Returns null or a string which is a comma-separated list
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*
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* @param ft_updated
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* @return
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*/
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protected String getNewFieldsWithNameTooLong(Iterator ft_updated) { |
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|
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String resp = ""; |
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FeatureTypeChanged item = null;
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FeatureType ft = null;
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FeatureAttributeDescriptor[] atts = null; |
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while (ft_updated.hasNext()) {
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item = (FeatureTypeChanged) ft_updated.next(); |
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ft = item.getTarget(); |
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atts = ft.getAttributeDescriptors(); |
337 |
for (int i = 0; i < atts.length; i++) { |
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if (atts[i].getName().length() > MAX_FIELD_NAME_LENGTH) {
|
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if (resp.length() == 0) { |
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resp = atts[i].getName(); |
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} else {
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resp = resp + ", " + atts[i].getName();
|
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} |
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} |
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} |
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} |
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|
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if (resp.length() == 0) { |
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return null; |
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} else {
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return "(" + resp + ")"; |
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} |
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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 FeatureProvider createFeatureProvider(FeatureType type) throws DataException { |
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return new DBFFeatureProvider(this, type); |
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} |
361 |
|
362 |
|
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/*
|
364 |
* ===================================================
|
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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); |
375 |
} |
376 |
} |
377 |
|
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protected EditableFeatureType getTheFeatureType()
|
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throws InitializeException, OpenException {
|
380 |
try {
|
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this.open();
|
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} catch (DataException e) {
|
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throw new InitializeException(this.getProviderName(), e); |
384 |
} |
385 |
return (EditableFeatureType) getResource().execute(
|
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new ResourceAction() {
|
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|
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public Object run() throws Exception { |
389 |
int fieldCount = -1; |
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fieldCount = dbfFile.getFieldCount(); |
391 |
|
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EditableFeatureType fType = getStoreServices().createFeatureType(getName()); |
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|
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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; |
399 |
|
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if (fieldType == 'L') { |
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attr = fType.add(dbfFile.getFieldName(i), 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')) { |
406 |
precision = dbfFile.getFieldDecimalLength(i); |
407 |
if (precision > 0) { |
408 |
attr = fType.add(dbfFile.getFieldName(i), |
409 |
DataTypes.DOUBLE, |
410 |
dbfFile.getFieldLength(i)); |
411 |
attr.setPrecision(precision); |
412 |
attr.setDefaultValue(new Double(0)); |
413 |
|
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} else {
|
415 |
int length = dbfFile.getFieldLength(i);
|
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int type = DataTypes.INT;
|
417 |
if (length > 9) { |
418 |
type = DataTypes.LONG; |
419 |
} |
420 |
attr = fType.add(dbfFile.getFieldName(i), |
421 |
type, |
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length); |
423 |
attr.setDefaultValue(new Integer(0)); |
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} |
425 |
attr.setAllowNull(false);
|
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|
427 |
} else if (fieldType == 'C' || getDBFParameters().handleDatesAsStrings()) { |
428 |
attr = fType.add(dbfFile.getFieldName(i), DataTypes.STRING); |
429 |
attr.setSize(dbfFile.getFieldLength(i)); |
430 |
attr.setDefaultValue("");
|
431 |
attr.setAllowNull(false);
|
432 |
|
433 |
} else if (fieldType == 'D') { |
434 |
attr = fType.add(dbfFile.getFieldName(i), DataTypes.DATE); |
435 |
attr.setDefaultValue(new Date(0)); // def value 1-1-1970 |
436 |
attr.setAllowNull(true);
|
437 |
String sfmt = getDBFParameters().getDateFormat();
|
438 |
if (!StringUtils.isBlank(sfmt)) {
|
439 |
try {
|
440 |
SimpleDateFormat datefmt = new SimpleDateFormat(sfmt, getDBFParameters().getLocale()); |
441 |
attr.setDateFormat(datefmt); |
442 |
} catch (Exception ex) { |
443 |
LOG.warn("Invalid date format ("+sfmt+") specified in DBF parameters.",ex); |
444 |
} |
445 |
} |
446 |
} else {
|
447 |
throw new InitializeException(getProviderName(), |
448 |
new UnknownDataTypeException(
|
449 |
dbfFile.getFieldName(i), ""
|
450 |
+ fieldType, getProviderName())); |
451 |
} |
452 |
} |
453 |
|
454 |
// FeatureRules rules = fType.getRules();
|
455 |
// rules.add(new DBFRowValidator());
|
456 |
return fType;
|
457 |
} |
458 |
} |
459 |
); |
460 |
} |
461 |
|
462 |
protected void loadValue(FeatureProvider featureProvider, int rowIndex, |
463 |
FeatureAttributeDescriptor descriptor) throws ReadException {
|
464 |
|
465 |
if (descriptor.getEvaluator() != null) { |
466 |
// Nothing to do
|
467 |
return;
|
468 |
} |
469 |
|
470 |
int dbfIndex = this.dbfFile.getFieldIndex(descriptor.getName()); |
471 |
|
472 |
if (dbfIndex < 0) { |
473 |
// Someone asked to load a field
|
474 |
// which does not exist in the DBF file. This can happen
|
475 |
// in editing process when a field has been added
|
476 |
// in the current editing session, so we simply do nothing.
|
477 |
// The expansion manager is expected to manage those new fields
|
478 |
// and their values.
|
479 |
long curr_time = System.currentTimeMillis(); |
480 |
// This ensures not more than one log every 2 seconds
|
481 |
if (curr_time - lastLogTime > 2000) { |
482 |
LOG.info("Warning: The requested field does not exist in the DBF file. Assumed it's a new field in editing mode.");
|
483 |
lastLogTime = curr_time; |
484 |
} |
485 |
return;
|
486 |
} |
487 |
|
488 |
String value = null; |
489 |
try {
|
490 |
value = this.dbfFile.getStringFieldValue(rowIndex, dbfIndex);
|
491 |
} catch (DataException e) {
|
492 |
throw new ReadException(this.getProviderName(), e); |
493 |
} |
494 |
value = value.trim(); |
495 |
int fieldType = descriptor.getType();
|
496 |
switch (fieldType) {
|
497 |
case DataTypes.STRING:
|
498 |
featureProvider.set(descriptor.getIndex(), value); |
499 |
break;
|
500 |
|
501 |
case DataTypes.DOUBLE:
|
502 |
try {
|
503 |
featureProvider.set(descriptor.getIndex(), new Double(value)); |
504 |
} catch (NumberFormatException e) { |
505 |
featureProvider.set(descriptor.getIndex(), null);
|
506 |
} |
507 |
break;
|
508 |
|
509 |
case DataTypes.INT:
|
510 |
try {
|
511 |
featureProvider.set(descriptor.getIndex(), new Integer(value)); |
512 |
} catch (NumberFormatException e) { |
513 |
featureProvider.set(descriptor.getIndex(), null);
|
514 |
} |
515 |
break;
|
516 |
|
517 |
case DataTypes.FLOAT:
|
518 |
try {
|
519 |
featureProvider.set(descriptor.getIndex(), new Float(value)); |
520 |
} catch (NumberFormatException e) { |
521 |
featureProvider.set(descriptor.getIndex(), null);
|
522 |
} |
523 |
break;
|
524 |
|
525 |
case DataTypes.LONG:
|
526 |
try {
|
527 |
featureProvider.set(descriptor.getIndex(), new Long(value)); |
528 |
} catch (NumberFormatException e) { |
529 |
featureProvider.set(descriptor.getIndex(), null);
|
530 |
} |
531 |
break;
|
532 |
|
533 |
case DataTypes.BOOLEAN:
|
534 |
if (value.equalsIgnoreCase("T")) { |
535 |
featureProvider.set(descriptor.getIndex(), Boolean.TRUE);
|
536 |
} else {
|
537 |
featureProvider.set(descriptor.getIndex(), Boolean.FALSE);
|
538 |
|
539 |
} |
540 |
break;
|
541 |
|
542 |
case DataTypes.BYTE:
|
543 |
try {
|
544 |
featureProvider.set(descriptor.getIndex(), new Byte(value)); |
545 |
} catch (NumberFormatException e) { |
546 |
featureProvider.set(descriptor.getIndex(), null);
|
547 |
} |
548 |
break;
|
549 |
|
550 |
case DataTypes.DATE:
|
551 |
if (value.equals("")) { |
552 |
value = null;
|
553 |
return;
|
554 |
} |
555 |
Date dat = null; |
556 |
DateFormat df = new SimpleDateFormat("yyyyMMdd"); |
557 |
try {
|
558 |
dat = df.parse(value); |
559 |
} catch (ParseException e) { |
560 |
throw new InvalidDateException(df.toString(), value, this.getProviderName(), e); |
561 |
} |
562 |
featureProvider.set(descriptor.getIndex(), dat); |
563 |
break;
|
564 |
|
565 |
default:
|
566 |
featureProvider |
567 |
.set(descriptor.getIndex(), descriptor.getDefaultValue()); |
568 |
break;
|
569 |
} |
570 |
} |
571 |
|
572 |
private static class InvalidDateException extends ReadException { |
573 |
public InvalidDateException(String dateFormat, String value, String store, Throwable cause) { |
574 |
super(
|
575 |
"Can't parse date value '%(value)' with format '%(dateFormat)' in dbf '%(store)'.",
|
576 |
cause, |
577 |
"Cant_parse_date_value_XvalueX_with_format_XdateFormatX_in_dbf_XstoreX",
|
578 |
0
|
579 |
); |
580 |
setValue("dateFormat",dateFormat);
|
581 |
setValue("value", value);
|
582 |
setValue("store",store);
|
583 |
} |
584 |
} |
585 |
|
586 |
/**
|
587 |
* *
|
588 |
* NOT supported in Alter Mode
|
589 |
*
|
590 |
* @param index
|
591 |
* @return
|
592 |
* @throws ReadException
|
593 |
*/
|
594 |
protected FeatureProvider getFeatureProviderByIndex(long index) throws DataException { |
595 |
return this |
596 |
.getFeatureProviderByIndex(index, this.getStoreServices()
|
597 |
.getDefaultFeatureType()); |
598 |
} |
599 |
|
600 |
public long getFeatureCount() throws ReadException, OpenException, |
601 |
ResourceNotifyChangesException { |
602 |
this.open();
|
603 |
return ((Long) getResource().execute(new ResourceAction() { |
604 |
public Object run() throws Exception { |
605 |
return Long.valueOf(dbfFile.getRecordCount()); |
606 |
} |
607 |
})).longValue(); |
608 |
} |
609 |
|
610 |
public FeatureSetProvider createSet(FeatureQuery query, FeatureType featureType)
|
611 |
throws DataException {
|
612 |
return new DBFSetProvider(this, query, featureType); |
613 |
} |
614 |
|
615 |
public boolean canCreate() { |
616 |
return true; |
617 |
} |
618 |
|
619 |
public boolean canWriteGeometry(int geometryType, int geometrySubType) throws DataException { |
620 |
return false; |
621 |
} |
622 |
|
623 |
public void open() throws OpenException { |
624 |
if (this.dbfFile.isOpen()) { |
625 |
return;
|
626 |
} |
627 |
try {
|
628 |
getResource().execute(new ResourceAction() {
|
629 |
public Object run() throws Exception { |
630 |
openFile(); |
631 |
resourcesOpen(); |
632 |
return null; |
633 |
} |
634 |
}); |
635 |
|
636 |
} catch (ResourceExecuteException e) {
|
637 |
throw new OpenException(this.getProviderName(), e); |
638 |
} |
639 |
} |
640 |
|
641 |
protected void openFile() throws FileNotFoundException, |
642 |
UnsupportedVersionException, IOException, DataException {
|
643 |
this.dbfFile.open();
|
644 |
} |
645 |
|
646 |
public void close() throws CloseException { |
647 |
if( loTengoEnUso ) {
|
648 |
return;
|
649 |
} |
650 |
if (dbfFile == null || !this.dbfFile.isOpen()) { |
651 |
return;
|
652 |
} |
653 |
super.close();
|
654 |
|
655 |
//Cerrar recurso
|
656 |
try {
|
657 |
getResource().execute(new ResourceAction() {
|
658 |
public Object run() throws Exception { |
659 |
closeFile(); |
660 |
resourcesNotifyClose(); |
661 |
return null; |
662 |
} |
663 |
}); |
664 |
} catch (ResourceExecuteException e) {
|
665 |
throw new CloseException(this.getProviderName(), e); |
666 |
} |
667 |
} |
668 |
|
669 |
protected void closeFile() throws CloseException { |
670 |
this.dbfFile.close();
|
671 |
} |
672 |
|
673 |
@Override
|
674 |
protected void doDispose() throws BaseException { |
675 |
this.close();
|
676 |
dbfFile = null;
|
677 |
disposeResource(); |
678 |
super.doDispose();
|
679 |
} |
680 |
|
681 |
protected void disposeResource() { |
682 |
this.dbfResource.removeConsumer(this); |
683 |
dbfResource = null;
|
684 |
} |
685 |
|
686 |
public boolean closeResourceRequested(ResourceProvider resource) { |
687 |
try {
|
688 |
this.close();
|
689 |
} catch (CloseException e) {
|
690 |
return false; |
691 |
} |
692 |
return true; |
693 |
} |
694 |
|
695 |
public boolean allowWrite() { |
696 |
File file;
|
697 |
try {
|
698 |
file = ((File) this.dbfResource.get()); |
699 |
} catch (AccessResourceException e) {
|
700 |
return false; |
701 |
} |
702 |
return file.canWrite();
|
703 |
} |
704 |
|
705 |
public void refresh() throws OpenException { |
706 |
try {
|
707 |
this.close();
|
708 |
} catch (CloseException e) {
|
709 |
throw new OpenException(this.getProviderName(), e); |
710 |
} |
711 |
this.open();
|
712 |
try {
|
713 |
this.initFeatureType();
|
714 |
} catch (InitializeException e) {
|
715 |
throw new OpenException(this.getProviderName(), e); |
716 |
} |
717 |
} |
718 |
|
719 |
/**
|
720 |
*
|
721 |
* @param index
|
722 |
* @param featureType
|
723 |
* @return
|
724 |
* @throws ReadException
|
725 |
*/
|
726 |
protected FeatureProvider getFeatureProviderByIndex(long index, |
727 |
FeatureType featureType) throws DataException {
|
728 |
FeatureProvider featureProvider = this.createFeatureProvider(featureType);
|
729 |
featureProvider.setOID(new Long(index)); |
730 |
return featureProvider;
|
731 |
} |
732 |
|
733 |
protected void initFeatureProviderByIndex(FeatureProvider featureProvider, |
734 |
long index, FeatureType featureType) throws DataException { |
735 |
featureProvider.setOID(new Long(index)); |
736 |
} |
737 |
|
738 |
/**
|
739 |
*
|
740 |
* @param featureProvider
|
741 |
* @throws DataException
|
742 |
*/
|
743 |
protected void loadFeatureProviderByIndex(FeatureProvider featureProvider) |
744 |
throws DataException {
|
745 |
|
746 |
long index = ((Long) featureProvider.getOID()).longValue(); |
747 |
int rec_count = this.dbfFile.getRecordCount(); |
748 |
|
749 |
if (index >= rec_count) {
|
750 |
|
751 |
ReadException rex = new ReadException(NAME,
|
752 |
new ArrayIndexOutOfBoundsException( |
753 |
"Index of requested feature ("
|
754 |
+ index + ") is >= record count (" + rec_count + ")")); |
755 |
|
756 |
LOG.info("Error while loading feature. ", rex);
|
757 |
throw rex;
|
758 |
} |
759 |
|
760 |
Iterator iterator = featureProvider.getType().iterator();
|
761 |
while (iterator.hasNext()) {
|
762 |
FeatureAttributeDescriptor descriptor |
763 |
= (FeatureAttributeDescriptor) iterator.next(); |
764 |
this.loadValue(featureProvider, (int) index, descriptor); |
765 |
} |
766 |
} |
767 |
|
768 |
public int getOIDType() { |
769 |
return DataTypes.LONG;
|
770 |
} |
771 |
|
772 |
public Object createNewOID() { |
773 |
if (this.counterNewsOIDs < 0) { |
774 |
try {
|
775 |
this.counterNewsOIDs = this.getFeatureCount(); |
776 |
} catch (DataException e) {
|
777 |
e.printStackTrace(); |
778 |
} |
779 |
|
780 |
} else {
|
781 |
this.counterNewsOIDs++;
|
782 |
} |
783 |
return new Long(counterNewsOIDs); |
784 |
} |
785 |
|
786 |
public boolean supportsAppendMode() { |
787 |
return true; |
788 |
} |
789 |
|
790 |
public void append(final FeatureProvider featureProvider) |
791 |
throws DataException {
|
792 |
getResource().execute(new ResourceAction() {
|
793 |
public Object run() throws Exception { |
794 |
writer.append(getStoreServices().createFeature(featureProvider)); |
795 |
return null; |
796 |
} |
797 |
}); |
798 |
} |
799 |
|
800 |
public void beginAppend() throws DataException { |
801 |
this.close();
|
802 |
getResource().execute(new ResourceAction() {
|
803 |
public Object run() throws Exception { |
804 |
writer.begin(getDBFParameters(), |
805 |
getStoreServices().getDefaultFeatureType(), |
806 |
getStoreServices().getFeatureStore().getFeatureCount()); |
807 |
return null; |
808 |
} |
809 |
}); |
810 |
} |
811 |
|
812 |
public void endAppend() throws DataException { |
813 |
getResource().execute(new ResourceAction() {
|
814 |
public Object run() throws Exception { |
815 |
writer.end(); |
816 |
resourcesNotifyChanges(); |
817 |
counterNewsOIDs = -1;
|
818 |
return null; |
819 |
} |
820 |
}); |
821 |
} |
822 |
|
823 |
/*
|
824 |
* (non-Javadoc)
|
825 |
*
|
826 |
* @see
|
827 |
* org.gvsig.fmap.dal.resource.spi.ResourceConsumer#resourceChanged(org.
|
828 |
* gvsig.fmap.dal.resource.spi.ResourceProvider)
|
829 |
*/
|
830 |
public void resourceChanged(ResourceProvider resource) { |
831 |
if (this.getStoreServices()!=null){ |
832 |
this.getStoreServices().notifyChange(
|
833 |
DataStoreNotification.RESOURCE_CHANGED, |
834 |
resource); |
835 |
} |
836 |
} |
837 |
|
838 |
/**
|
839 |
*
|
840 |
* @throws ResourceNotifyChangesException
|
841 |
*/
|
842 |
protected void resourcesNotifyChanges() |
843 |
throws ResourceNotifyChangesException {
|
844 |
this.dbfResource.notifyChanges();
|
845 |
} |
846 |
|
847 |
/**
|
848 |
* @throws ResourceNotifyCloseException
|
849 |
*
|
850 |
*/
|
851 |
protected void resourcesNotifyClose() throws ResourceNotifyCloseException { |
852 |
this.dbfResource.notifyClose();
|
853 |
} |
854 |
|
855 |
/**
|
856 |
* @throws ResourceNotifyOpenException
|
857 |
*
|
858 |
*/
|
859 |
protected void resourcesOpen() throws ResourceNotifyOpenException { |
860 |
this.dbfResource.notifyOpen();
|
861 |
} |
862 |
|
863 |
public Object getSourceId() { |
864 |
return this.getDBFParameters().getFile(); |
865 |
} |
866 |
|
867 |
public String getName() { |
868 |
String name = this.getDBFParameters().getFile().getName(); |
869 |
int n = name.lastIndexOf("."); |
870 |
if (n < 1) { |
871 |
return name;
|
872 |
} |
873 |
return name.substring(0, n); |
874 |
} |
875 |
|
876 |
public String getFullName() { |
877 |
return this.getDBFParameters().getFile().getAbsolutePath(); |
878 |
} |
879 |
|
880 |
protected void resourceCloseRequest() throws ResourceException { |
881 |
this.dbfResource.closeRequest();
|
882 |
} |
883 |
|
884 |
public ResourceProvider getResource() {
|
885 |
return dbfResource;
|
886 |
} |
887 |
} |