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 @ 47436
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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.math.BigDecimal; |
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import java.nio.charset.Charset; |
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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.apache.commons.lang3.mutable.MutableInt; |
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import org.gvsig.fmap.dal.DALLocator; |
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import org.gvsig.fmap.dal.DataManager; |
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import org.gvsig.fmap.dal.DataServerExplorer; |
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import org.gvsig.fmap.dal.DataStore; |
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import org.gvsig.fmap.dal.DataStoreNotification; |
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import org.gvsig.fmap.dal.DataTypes; |
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import org.gvsig.fmap.dal.FileHelper; |
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import org.gvsig.fmap.dal.exception.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.FeatureType.FeatureTypeChanged; |
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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.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.feature.spi.FeatureStoreProviderServices; |
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import org.gvsig.fmap.dal.resource.ResourceAction; |
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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.fmap.dal.store.dbf.utils.FieldFormatter; |
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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.dataTypes.CoercionContext; |
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import org.gvsig.tools.dataTypes.CoercionContextDecimal; |
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import org.gvsig.tools.dataTypes.CoercionException; |
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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.gvsig.tools.logger.FilteredLogger; |
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import org.gvsig.tools.math.BigDecimalUtils; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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import sun.security.ec.point.ProjectivePoint; |
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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 final String NAME = DataStore.DBASE_PROVIDER_NAME; |
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public static final String DESCRIPTION = "DBF file"; |
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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 boolean loTengoEnUso; |
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private boolean allowDuplicatedFieldNames; |
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private FilteredLogger logger;
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protected EditableFeatureType featureType;
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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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this(
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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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} |
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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.logger = new FilteredLogger(LOG, "DBFStoreProvider", -1); |
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this.logger.setInterval(2000L); |
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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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allowDuplicatedFieldNames = params.allowDuplicatedFieldNames(); |
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this.dbfFile = new DbaseFile(theFile, charset, allowDuplicatedFieldNames); |
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writer = new DBFFeatureWriter(this.getProviderName()); |
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this.initFeatureType();
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} |
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@Override
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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 this.dbfFile.getCodePageInt(); |
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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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protected void initResource(ResourceProvider resource, |
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DataStoreProviderServices storeServices){ |
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dbfResource = resource; |
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dbfResource.addConsumer(this);
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} |
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@Override
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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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@Override
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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 | ValidateDataParametersException e) {
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throw new ReadException(this.getName(), e); |
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} |
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} |
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@Override
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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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((Number) reference.getOID()).longValue(), featureType, null); |
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} |
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@Override
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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 theStore = 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 = theStore.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, theStore.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(NAME, 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 { |
327 |
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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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protected String getNewFieldsWithNameTooLong(Iterator ft_updated) { |
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|
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String resp = ""; |
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FeatureTypeChanged item; |
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FeatureType ft; |
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FeatureAttributeDescriptor[] atts;
|
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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(); |
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for (FeatureAttributeDescriptor att : atts) {
|
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if (att.getName().length() > MAX_FIELD_NAME_LENGTH) {
|
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if (resp.length() == 0) { |
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resp = att.getName(); |
355 |
} else {
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resp = resp + ", " + att.getName();
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} |
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} |
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} |
360 |
} |
361 |
|
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if (resp.length() == 0) { |
363 |
return null; |
364 |
} else {
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return "(" + resp + ")"; |
366 |
} |
367 |
} |
368 |
|
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@Override
|
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public FeatureProvider createFeatureProvider(FeatureType providerFeatureType) throws DataException { |
371 |
return new DBFFeatureProvider(this, providerFeatureType, null); |
372 |
} |
373 |
|
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public FeatureProvider createFeatureProvider(FeatureType providerFeatureType, FeatureType storeFeatureType) throws DataException { |
375 |
return new DBFFeatureProvider(this, providerFeatureType, storeFeatureType); |
376 |
} |
377 |
|
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protected void initFeatureType() throws InitializeException { |
379 |
this.featureType = this.getTheFeatureType(); |
380 |
FeatureType defaultType = this.featureType.getNotEditableCopy();
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this.setStoreFeatureType(defaultType);
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} |
383 |
|
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protected void setStoreFeatureType(FeatureType ftype) { |
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FeatureStoreProviderServices store = this.getStoreServices();
|
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List<FeatureType> ftypes = new ArrayList<>(); |
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ftypes.add(ftype); |
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store.setFeatureTypes(ftypes, ftype); |
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} |
390 |
|
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protected EditableFeatureType getTheFeatureType() throws InitializeException { |
392 |
try {
|
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this.open();
|
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} catch (DataException e) {
|
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throw new InitializeException(this.getProviderName(), e); |
396 |
} |
397 |
EditableFeatureType featureType = (EditableFeatureType) getResource().execute( |
398 |
new ResourceAction() {
|
399 |
public Object run() throws Exception { |
400 |
EditableFeatureType featureType = getStoreServices().createFeatureType(getName()); |
401 |
featureType.setHasOID(true);
|
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dbfFile.getHeader().toFeatureType( |
403 |
featureType, |
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getDBFParameters().handleDatesAsStrings() |
405 |
); |
406 |
return featureType;
|
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} |
408 |
} |
409 |
); |
410 |
return featureType;
|
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} |
412 |
|
413 |
|
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protected void loadValue(DBFFeatureProvider featureProvider, long rowIndex, |
415 |
FeatureAttributeDescriptor descriptor) throws ReadException {
|
416 |
|
417 |
if (descriptor.getEvaluator() != null) { |
418 |
// Nothing to do
|
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return;
|
420 |
} |
421 |
|
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int dbfFieldIndex = this.dbfFile.getFieldIndex(descriptor.getName()); |
423 |
|
424 |
if (dbfFieldIndex < 0) { |
425 |
// Someone asked to load a field
|
426 |
// which does not exist in the DBF file. This can happen
|
427 |
// in editing process when a field has been added
|
428 |
// in the current editing session, so we simply do nothing.
|
429 |
// The expansion manager is expected to manage those new fields
|
430 |
// and their values.
|
431 |
this.logger.warn("The requested field ("+descriptor.getName()+") does not exist in the DBF file. Assumed it's a new field in editing mode."); |
432 |
return;
|
433 |
} |
434 |
|
435 |
String value = null; |
436 |
try {
|
437 |
value = this.dbfFile.getStringFieldValue(rowIndex, dbfFieldIndex);
|
438 |
} catch (DataException e) {
|
439 |
throw new ReadException(this.getName(), e); |
440 |
} |
441 |
value = value.trim(); |
442 |
FieldFormatter formatter = new FieldFormatter();
|
443 |
|
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int index = descriptor.getIndex();
|
445 |
Object defaultValue = descriptor.getDefaultValueCoerced();
|
446 |
|
447 |
switch (descriptor.getType()) {
|
448 |
case DataTypes.STRING:
|
449 |
featureProvider.set(index, formatter.parseString(value, (String) defaultValue));
|
450 |
break;
|
451 |
|
452 |
case DataTypes.DECIMAL:
|
453 |
BigDecimal d = formatter.parseDecimal(
|
454 |
value, |
455 |
descriptor.getMathContext(), |
456 |
descriptor.getScale(), |
457 |
(BigDecimal) defaultValue
|
458 |
); |
459 |
if (!BigDecimalUtils.isValid(d, descriptor.getScale(), descriptor.getPrecision())) {
|
460 |
DBFStoreParameters params = this.getDBFParameters();
|
461 |
if(params.allowInconsistenciesInDecimals() ) {
|
462 |
MutableInt scale = new MutableInt(descriptor.getScale());
|
463 |
MutableInt precision = new MutableInt(descriptor.getPrecision());
|
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d = BigDecimalUtils.fixIfCan(d, scale, precision); |
465 |
updateStoreScaleAndPrecision(featureProvider, descriptor, scale.intValue(), precision.intValue()); |
466 |
} else {
|
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FeatureType storeFeatureType = featureProvider.getStoreFeatureType(); |
468 |
if(storeFeatureType != null){ |
469 |
FeatureAttributeDescriptor storeDescriptor = storeFeatureType.getAttributeDescriptor(descriptor.getName()); |
470 |
if (storeDescriptor instanceof EditableFeatureAttributeDescriptor && BigDecimalUtils.isValid(d, storeDescriptor.getScale(), storeDescriptor.getPrecision())) { |
471 |
((EditableFeatureAttributeDescriptor)descriptor).setScale(storeDescriptor.getScale()); |
472 |
((EditableFeatureAttributeDescriptor)descriptor).setPrecision(storeDescriptor.getPrecision()); |
473 |
} |
474 |
} |
475 |
} |
476 |
} |
477 |
featureProvider.set(index,d); |
478 |
break;
|
479 |
|
480 |
case DataTypes.DOUBLE:
|
481 |
featureProvider.set(index, formatter.parseDouble(value, (Double) defaultValue));
|
482 |
break;
|
483 |
|
484 |
case DataTypes.FLOAT:
|
485 |
featureProvider.set(index, formatter.parseFloat(value, (Float) defaultValue));
|
486 |
break;
|
487 |
|
488 |
case DataTypes.LONG:
|
489 |
featureProvider.set(index, formatter.parseLong(value, (Long) defaultValue));
|
490 |
break;
|
491 |
|
492 |
case DataTypes.INT:
|
493 |
featureProvider.set(index, formatter.parseInt(value, (Integer) defaultValue));
|
494 |
break;
|
495 |
|
496 |
case DataTypes.BYTE:
|
497 |
featureProvider.set(index, formatter.parseByte(value, (Byte) defaultValue));
|
498 |
break;
|
499 |
|
500 |
case DataTypes.BOOLEAN:
|
501 |
featureProvider.set(index, formatter.parseBoolean(value, (Boolean) defaultValue));
|
502 |
break;
|
503 |
|
504 |
case DataTypes.TIMESTAMP:
|
505 |
featureProvider.set(index, formatter.parseTimestamp(value, (java.sql.Timestamp) defaultValue)); |
506 |
break;
|
507 |
|
508 |
case DataTypes.TIME:
|
509 |
featureProvider.set(index, formatter.parseTime(value, (java.sql.Time) defaultValue)); |
510 |
break;
|
511 |
|
512 |
case DataTypes.DATE:
|
513 |
featureProvider.set(index, formatter.parseDate(value, (java.sql.Date) defaultValue)); |
514 |
break;
|
515 |
|
516 |
default: {
|
517 |
Object v;
|
518 |
try {
|
519 |
v = descriptor.getDataType().coerce(value); |
520 |
} catch (CoercionException ex) {
|
521 |
v = defaultValue; |
522 |
} |
523 |
featureProvider.set(index, v); |
524 |
} |
525 |
break;
|
526 |
} |
527 |
} |
528 |
|
529 |
protected FeatureProvider getFeatureProviderByIndex(long index) throws DataException { |
530 |
return this |
531 |
.getFeatureProviderByIndex(index, this.getStoreServices()
|
532 |
.getDefaultFeatureType(), null);
|
533 |
} |
534 |
|
535 |
@Override
|
536 |
public long getFeatureCount() throws ReadException, OpenException, |
537 |
ResourceNotifyChangesException { |
538 |
this.open();
|
539 |
return (long) getResource().execute(() -> (long) dbfFile.getRecordCount()); |
540 |
} |
541 |
|
542 |
@Override
|
543 |
public FeatureSetProvider createSet(FeatureQuery query, FeatureType featureType)
|
544 |
throws DataException {
|
545 |
return new DBFSetProvider(this, query, featureType, null); |
546 |
} |
547 |
|
548 |
public FeatureSetProvider createSet(FeatureQuery query, FeatureType providerFeatureType, FeatureType storeFeatureType)
|
549 |
throws DataException {
|
550 |
return new DBFSetProvider(this, query, providerFeatureType, storeFeatureType); |
551 |
} |
552 |
|
553 |
public boolean canCreate() { |
554 |
return true; |
555 |
} |
556 |
|
557 |
public boolean canWriteGeometry(int geometryType, int geometrySubType) throws DataException { |
558 |
return false; |
559 |
} |
560 |
|
561 |
public void open() throws OpenException { |
562 |
if (this.dbfFile.isOpen()) { |
563 |
return;
|
564 |
} |
565 |
try {
|
566 |
getResource().execute(new ResourceAction() {
|
567 |
public Object run() throws Exception { |
568 |
openFile(); |
569 |
resourcesOpen(); |
570 |
return null; |
571 |
} |
572 |
}); |
573 |
|
574 |
} catch (ResourceExecuteException e) {
|
575 |
throw new OpenException(this.getProviderName(), e); |
576 |
} |
577 |
} |
578 |
|
579 |
protected void openFile() throws FileNotFoundException, |
580 |
UnsupportedVersionException, IOException, DataException {
|
581 |
this.dbfFile.open();
|
582 |
// necessary when editing the file
|
583 |
this.getDBFParameters().setEffectiveEncoding(this.dbfFile.getCharsetName()); |
584 |
} |
585 |
|
586 |
public void close() throws CloseException { |
587 |
if( loTengoEnUso ) {
|
588 |
return;
|
589 |
} |
590 |
if (dbfFile == null || !this.dbfFile.isOpen()) { |
591 |
return;
|
592 |
} |
593 |
super.close();
|
594 |
|
595 |
//Cerrar recurso
|
596 |
try {
|
597 |
getResource().execute(new ResourceAction() {
|
598 |
public Object run() throws Exception { |
599 |
closeFile(); |
600 |
resourcesNotifyClose(); |
601 |
return null; |
602 |
} |
603 |
}); |
604 |
} catch (ResourceExecuteException e) {
|
605 |
throw new CloseException(this.getProviderName(), e); |
606 |
} |
607 |
} |
608 |
|
609 |
protected void closeFile() throws CloseException { |
610 |
this.dbfFile.close();
|
611 |
} |
612 |
|
613 |
@Override
|
614 |
protected void doDispose() throws BaseException { |
615 |
this.close();
|
616 |
dbfFile = null;
|
617 |
disposeResource(); |
618 |
super.doDispose();
|
619 |
} |
620 |
|
621 |
protected void disposeResource() { |
622 |
this.dbfResource.removeConsumer(this); |
623 |
dbfResource = null;
|
624 |
} |
625 |
|
626 |
public boolean closeResourceRequested(ResourceProvider resource) { |
627 |
try {
|
628 |
this.close();
|
629 |
} catch (CloseException e) {
|
630 |
return false; |
631 |
} |
632 |
return true; |
633 |
} |
634 |
|
635 |
public boolean allowWrite() { |
636 |
if(allowDuplicatedFieldNames || this.getDBFParameters().allowInconsistenciesInDecimals()){ |
637 |
return false; |
638 |
} |
639 |
return this.dbfFile.isWritable(); |
640 |
} |
641 |
|
642 |
public void refresh() throws OpenException { |
643 |
try {
|
644 |
this.close();
|
645 |
} catch (CloseException e) {
|
646 |
throw new OpenException(this.getProviderName(), e); |
647 |
} |
648 |
this.open();
|
649 |
try {
|
650 |
this.initFeatureType();
|
651 |
} catch (InitializeException e) {
|
652 |
throw new OpenException(this.getProviderName(), e); |
653 |
} |
654 |
} |
655 |
|
656 |
protected FeatureProvider getFeatureProviderByIndex(long index, |
657 |
FeatureType providerFeatureType, FeatureType storeFeatureType) throws DataException {
|
658 |
FeatureProvider featureProvider = this.createFeatureProvider(providerFeatureType, storeFeatureType);
|
659 |
featureProvider.setOID(index); |
660 |
return featureProvider;
|
661 |
} |
662 |
|
663 |
protected void initFeatureProviderByIndex(FeatureProvider featureProvider, |
664 |
long index, FeatureType featureType) throws DataException { |
665 |
featureProvider.setOID(index); |
666 |
} |
667 |
|
668 |
protected void loadFeatureProviderByIndex(FeatureProvider featureProvider) |
669 |
throws DataException {
|
670 |
|
671 |
long index = ((Long) featureProvider.getOID()); |
672 |
int rec_count = this.dbfFile.getRecordCount(); |
673 |
|
674 |
if (index >= rec_count) {
|
675 |
|
676 |
ReadException rex = new ReadException(this.getName(), |
677 |
new ArrayIndexOutOfBoundsException( |
678 |
"Index of requested feature ("
|
679 |
+ index + ") is >= record count (" + rec_count + ")")); |
680 |
|
681 |
LOG.info("Error while loading feature. ", rex);
|
682 |
throw rex;
|
683 |
} |
684 |
|
685 |
// long t1 = System.nanoTime();
|
686 |
((DBFFeatureProvider)featureProvider).setBroken(false);
|
687 |
for (FeatureAttributeDescriptor desc : featureProvider.getType()) {
|
688 |
try {
|
689 |
this.loadValue((DBFFeatureProvider)featureProvider, index, desc);
|
690 |
} catch (Throwable th) { |
691 |
this.logger.warn("Can't load value for attribute '"+desc.getName()+"'", th); |
692 |
((DBFFeatureProvider)featureProvider).setBroken(true);
|
693 |
featureProvider.set(desc.getIndex(), null);
|
694 |
} |
695 |
} |
696 |
// long t2 = System.nanoTime();
|
697 |
// LOG.info("load "+index+" in :"+(t2-t1));
|
698 |
} |
699 |
|
700 |
@Override
|
701 |
public int getOIDType() { |
702 |
return DataTypes.LONG;
|
703 |
} |
704 |
|
705 |
@Override
|
706 |
public Object createNewOID() { |
707 |
if (this.counterNewsOIDs < 0) { |
708 |
try {
|
709 |
this.counterNewsOIDs = this.getFeatureCount(); |
710 |
} catch (DataException e) {
|
711 |
LOG.warn("Can't initialice counter for news OIDs.",e);
|
712 |
} |
713 |
|
714 |
} else {
|
715 |
this.counterNewsOIDs++;
|
716 |
} |
717 |
return counterNewsOIDs;
|
718 |
} |
719 |
|
720 |
@Override
|
721 |
public boolean supportsAppendMode() { |
722 |
return true; |
723 |
} |
724 |
|
725 |
@Override
|
726 |
public void append(final FeatureProvider featureProvider) |
727 |
throws DataException {
|
728 |
getResource().execute(() -> { |
729 |
writer.append(getStoreServices().createFeature(featureProvider)); |
730 |
return null; |
731 |
}); |
732 |
} |
733 |
|
734 |
@Override
|
735 |
public void beginAppend() throws DataException { |
736 |
this.close();
|
737 |
getResource().execute(() -> { |
738 |
writer.begin(getDBFParameters(), |
739 |
getStoreServices().getDefaultFeatureType(), |
740 |
getStoreServices().getFeatureStore().getFeatureCount()); |
741 |
return null; |
742 |
}); |
743 |
} |
744 |
|
745 |
public void endAppend() throws DataException { |
746 |
getResource().execute(new ResourceAction() {
|
747 |
public Object run() throws Exception { |
748 |
writer.end(); |
749 |
resourcesNotifyChanges(); |
750 |
counterNewsOIDs = -1;
|
751 |
return null; |
752 |
} |
753 |
}); |
754 |
} |
755 |
|
756 |
public void resourceChanged(ResourceProvider resource) { |
757 |
if (this.getStoreServices()!=null){ |
758 |
this.getStoreServices().notifyChange(
|
759 |
DataStoreNotification.RESOURCE_CHANGED, |
760 |
resource); |
761 |
} |
762 |
} |
763 |
|
764 |
protected void resourcesNotifyChanges() |
765 |
throws ResourceNotifyChangesException {
|
766 |
this.dbfResource.notifyChanges();
|
767 |
} |
768 |
|
769 |
protected void resourcesNotifyClose() throws ResourceNotifyCloseException { |
770 |
this.dbfResource.notifyClose();
|
771 |
} |
772 |
|
773 |
protected void resourcesOpen() throws ResourceNotifyOpenException { |
774 |
this.dbfResource.notifyOpen();
|
775 |
} |
776 |
|
777 |
public Object getSourceId() { |
778 |
return this.getDBFParameters().getFile(); |
779 |
} |
780 |
|
781 |
public String getName() { |
782 |
String name = this.getDBFParameters().getFile().getName(); |
783 |
int n = name.lastIndexOf("."); |
784 |
if (n < 1) { |
785 |
return name;
|
786 |
} |
787 |
return name.substring(0, n); |
788 |
} |
789 |
|
790 |
public String getFullName() { |
791 |
return this.getDBFParameters().getFile().getAbsolutePath(); |
792 |
} |
793 |
|
794 |
protected void resourceCloseRequest() throws ResourceException { |
795 |
this.dbfResource.closeRequest();
|
796 |
} |
797 |
|
798 |
public ResourceProvider getResource() {
|
799 |
return dbfResource;
|
800 |
} |
801 |
|
802 |
@Override
|
803 |
public void fixFeatureTypeFromParameters() { |
804 |
FeatureStoreProviderServices store = this.getStoreServices();
|
805 |
try {
|
806 |
int sizeWithoutComputed = 0; |
807 |
for (FeatureAttributeDescriptor featureAttributeDescriptor : store.getDefaultFeatureType()) {
|
808 |
if (featureAttributeDescriptor.isComputed()) {
|
809 |
continue;
|
810 |
} |
811 |
sizeWithoutComputed +=1;
|
812 |
} |
813 |
if(this.featureType.size()!=sizeWithoutComputed) { |
814 |
this.setStoreFeatureType(featureType.getNotEditableCopy());
|
815 |
} |
816 |
} catch (DataException ex) {
|
817 |
|
818 |
} |
819 |
} |
820 |
|
821 |
private void updateStoreScaleAndPrecision(DBFFeatureProvider featureProvider, FeatureAttributeDescriptor descriptor, int scale, int precision) { |
822 |
if(descriptor.getType() == DataTypes.DECIMAL){
|
823 |
if(descriptor.getScale() == scale && descriptor.getPrecision() == precision) {
|
824 |
return;
|
825 |
} |
826 |
FeatureType ft = this.getFeatureStore().getDefaultFeatureTypeQuietly();
|
827 |
FeatureAttributeDescriptor d = ft.getAttributeDescriptor(descriptor.getName()); |
828 |
if(d.getScale() == scale && d.getPrecision() == precision) {
|
829 |
((DBFFeatureProvider)featureProvider).setProviderFeatureType(ft); |
830 |
return;
|
831 |
} |
832 |
EditableFeatureType eft = ft.getEditable(); |
833 |
EditableFeatureAttributeDescriptor ed = (EditableFeatureAttributeDescriptor) eft.getAttributeDescriptor(descriptor.getName()); |
834 |
ed.setScale(scale); |
835 |
ed.setPrecision(precision); |
836 |
ft = eft.getNotEditableCopy(); |
837 |
((DBFFeatureProvider)featureProvider).setProviderFeatureType(ft); |
838 |
this.setStoreFeatureType(ft);
|
839 |
} |
840 |
} |
841 |
|
842 |
} |