gvsig-gdal / trunk / org.gvsig.gdal / org.gvsig.gdal.gpx / src / main / java / org / gvsig / fmap / dal / store / gpx / OGRStoreProvider.java @ 99
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/**
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* gvSIG. Desktop Geographic Information System.
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*
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* Copyright (C) 2007-2013 gvSIG Association.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 3
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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* For any additional information, do not hesitate to contact us
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* at info AT gvsig.com, or visit our website www.gvsig.com.
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*/
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package org.gvsig.fmap.dal.store.gpx; |
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import java.io.File; |
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import java.io.IOException; |
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import java.util.ArrayList; |
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import java.util.HashMap; |
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import java.util.List; |
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import org.apache.commons.io.FilenameUtils; |
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import org.apache.commons.lang3.StringUtils; |
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import org.gdal.gdal.gdal; |
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import org.gdal.ogr.DataSource; |
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import org.gdal.ogr.Driver; |
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import org.gdal.ogr.FeatureDefn; |
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import org.gdal.ogr.Layer; |
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import org.gdal.ogr.ogr; |
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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.DataException; |
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import org.gvsig.fmap.dal.exception.InitializeException; |
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import org.gvsig.fmap.dal.exception.OpenException; |
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import org.gvsig.fmap.dal.exception.ReadException; |
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import org.gvsig.fmap.dal.exception.ValidateDataParametersException; |
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import org.gvsig.fmap.dal.feature.EditableFeatureAttributeDescriptor; |
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import org.gvsig.fmap.dal.feature.EditableFeatureType; |
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import org.gvsig.fmap.dal.feature.Feature; |
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import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
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import org.gvsig.fmap.dal.feature.FeatureStore; |
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import org.gvsig.fmap.dal.feature.FeatureType; |
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import org.gvsig.fmap.dal.feature.spi.FeatureProvider; |
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import org.gvsig.fmap.dal.feature.spi.FeatureStoreProviderServices; |
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import org.gvsig.fmap.dal.feature.spi.memory.AbstractMemoryStoreProvider; |
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import org.gvsig.fmap.dal.resource.file.FileResource; |
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import org.gvsig.fmap.dal.resource.spi.ResourceConsumer; |
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import org.gvsig.fmap.dal.resource.spi.ResourceProvider; |
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import org.gvsig.fmap.dal.serverexplorer.filesystem.FilesystemServerExplorer; |
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import org.gvsig.fmap.dal.serverexplorer.filesystem.FilesystemServerExplorerParameters; |
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import org.gvsig.fmap.dal.spi.DataStoreProviderServices; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.GeometryException; |
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import org.gvsig.fmap.geom.GeometryLocator; |
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import org.gvsig.fmap.geom.GeometryManager; |
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import org.gvsig.fmap.geom.exception.CreateGeometryException; |
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import org.gvsig.fmap.geom.primitive.Envelope; |
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import org.gvsig.fmap.geom.type.GeometryType; |
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import org.gvsig.tools.ToolsLocator; |
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import org.gvsig.tools.dataTypes.CoercionException; |
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import org.gvsig.tools.dataTypes.DataTypesManager; |
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import org.gvsig.tools.dynobject.exception.DynFieldNotFoundException; |
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import org.gvsig.tools.exception.BaseException; |
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import org.gvsig.tools.exception.NotYetImplemented; |
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import org.gvsig.tools.locator.LocatorException; |
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import org.gvsig.tools.persistence.PersistentState; |
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import org.gvsig.tools.persistence.exception.PersistenceException; |
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import org.gvsig.tools.task.SimpleTaskStatus; |
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import org.gvsig.tools.task.TaskStatusManager; |
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import org.gvsig.tools.visitor.VisitCanceledException; |
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import org.gvsig.tools.visitor.Visitor; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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public class OGRStoreProvider extends AbstractMemoryStoreProvider implements |
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ResourceConsumer {
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private static final Logger logger = LoggerFactory.getLogger(OGRStoreProvider.class); |
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public static final String NAME = "OGR_DRIVER"; |
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public static final String DESCRIPTION = "GPX file"; |
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public static final String METADATA_DEFINITION_NAME = NAME; |
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private ResourceProvider resource;
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private long counterNewsOIDs = 0; |
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private Envelope envelope;
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private boolean need_calculate_envelope = false; |
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private SimpleTaskStatus taskStatus;
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public OGRStoreProvider(OGRStoreParameters parameters,
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DataStoreProviderServices storeServices) throws InitializeException {
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super(
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parameters, |
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storeServices, |
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FileHelper.newMetadataContainer(METADATA_DEFINITION_NAME) |
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); |
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gdal.AllRegister(); |
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ogr.RegisterAll(); |
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TaskStatusManager manager = ToolsLocator.getTaskStatusManager(); |
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this.taskStatus = manager.createDefaultSimpleTaskStatus("Driver"); |
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counterNewsOIDs = 0;
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File file = getDriverParameters().getFile();
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resource = this.createResource(
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FileResource.NAME, |
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new Object[] { file.getAbsolutePath() } |
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); |
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resource.addConsumer(this);
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initializeFeatureTypes(); |
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} |
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private OGRStoreParameters getDriverParameters() {
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return (OGRStoreParameters) this.getParameters(); |
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} |
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public String getProviderName() { |
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return NAME;
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} |
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public boolean allowWrite() { |
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return false; |
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} |
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private String getFullFileName() { |
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// Usar solo para mostrar mensajes en el logger.
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String s = "(unknow)"; |
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try {
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s = getDriverParameters().getFile().getAbsolutePath(); |
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} catch(Exception e2) { |
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s = "(unknow)";
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} |
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return s;
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} |
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public void open() throws OpenException { |
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if (this.data != null) { |
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return;
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} |
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this.data = new ArrayList<FeatureProvider>(); |
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resource.setData(new HashMap()); |
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counterNewsOIDs = 0;
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try {
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loadFeatures(); |
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} catch (RuntimeException e) { |
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logger.warn("Can't load features from Driver '"+getFullFileName()+"'.", e); |
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throw e;
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} catch (Exception e) { |
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logger.warn("Can't load features from Driver '"+getFullFileName()+"'.", e); |
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throw new RuntimeException(e); |
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} |
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} |
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public DataServerExplorer getExplorer() throws ReadException { |
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DataManager manager = DALLocator.getDataManager(); |
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FilesystemServerExplorerParameters params; |
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try {
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params = (FilesystemServerExplorerParameters) manager |
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.createServerExplorerParameters(FilesystemServerExplorer.NAME); |
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params.setRoot(this.getDriverParameters().getFile().getParent());
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return manager.openServerExplorer(FilesystemServerExplorer.NAME,params);
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} catch (DataException e) {
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throw new ReadException(this.getProviderName(), e); |
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} catch (ValidateDataParametersException e) {
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throw new ReadException(this.getProviderName(), e); |
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} |
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} |
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public boolean closeResourceRequested(ResourceProvider resource) { |
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return true; |
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} |
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public int getOIDType() { |
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return DataTypes.LONG;
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} |
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public boolean supportsAppendMode() { |
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return false; |
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} |
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public void append(FeatureProvider featureProvider) { |
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throw new UnsupportedOperationException(); |
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} |
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public void beginAppend() { |
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throw new UnsupportedOperationException(); |
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} |
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public void endAppend() { |
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throw new UnsupportedOperationException(); |
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} |
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public void saveToState(PersistentState state) throws PersistenceException { |
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throw new NotYetImplemented(); |
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} |
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public void loadFromState(PersistentState state) throws PersistenceException { |
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throw new NotYetImplemented(); |
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} |
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public Object createNewOID() { |
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return new Long(counterNewsOIDs++); |
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} |
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protected void initializeFeatureTypes() throws InitializeException { |
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try {
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this.open();
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} catch (OpenException e) {
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throw new InitializeException(this.getProviderName(), e); |
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} |
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} |
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public Envelope getEnvelope() throws DataException { |
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this.open();
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if( this.envelope!= null ) { |
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return this.envelope; |
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} |
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if( !this.need_calculate_envelope ) { |
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return null; |
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} |
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FeatureStore fs = this.getFeatureStore();
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FeatureType ft = fs.getDefaultFeatureType(); |
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FeatureAttributeDescriptor fad = ft.getAttributeDescriptor(ft.getDefaultGeometryAttributeIndex()); |
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try {
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this.envelope = GeometryLocator.getGeometryManager().createEnvelope(fad.getGeomType().getSubType());
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fs.accept(new Visitor() {
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public void visit(Object obj) throws VisitCanceledException, BaseException { |
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Feature f = (Feature) obj; |
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Geometry geom = f.getDefaultGeometry(); |
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envelope.add(geom.getEnvelope()); |
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} |
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}); |
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} catch (BaseException e) {
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logger.warn("Can't calculate the envelope of GPX file '"+this.getFullName()+"'.",e); |
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this.envelope = null; |
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} |
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this.need_calculate_envelope = false; |
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return this.envelope; |
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} |
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public Object getDynValue(String name) throws DynFieldNotFoundException { |
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// if( DataStore.METADATA_ENVELOPE.equalsIgnoreCase(name) ) {
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// try {
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// return this.getEnvelope();
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// } catch (DataException e) {
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// return null;
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// }
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// } else {
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// if( DataStore.METADATA_CRS.equalsIgnoreCase(name) ) {
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// IProjection pro = DriverStoreParameters.getCRS(this.getDriverParameters());
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// if (pro != null){
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// return pro;
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// }
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// }
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// }
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return super.getDynValue(name); |
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} |
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public void resourceChanged(ResourceProvider resource) { |
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this.getStoreServices().notifyChange(
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DataStoreNotification.RESOURCE_CHANGED, |
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resource); |
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} |
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public Object getSourceId() { |
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return this.getDriverParameters().getFile(); |
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} |
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public String getName() { |
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String name = this.getDriverParameters().getFile().getName(); |
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return FilenameUtils.getBaseName(name);
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} |
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public String getFullName() { |
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return this.getDriverParameters().getFile().getAbsolutePath(); |
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} |
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public ResourceProvider getResource() {
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return resource;
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} |
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private void loadFeatures() throws IOException, DataException, |
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CoercionException, CloneNotSupportedException {
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boolean bReadOnly = false; |
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boolean bVerbose = false; |
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File file = this.getDriverParameters().getFile(); |
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String pszDataSource = file.getAbsolutePath();
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DataSource poDS = ogr.Open(pszDataSource, !bReadOnly);
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if (poDS == null && !bReadOnly){ |
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poDS = ogr.Open(pszDataSource, false);
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if (poDS == null && bVerbose){ |
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logger.warn( "Had to open data source read-only.");
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} |
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} |
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if(poDS == null){ |
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logger.warn(file +" -> Unable to open datasource " +
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"with the available drivers.");
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if(ogr.GetDriverCount() == 0){ |
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logger.warn("ERROR: no drivers availables");
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} |
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} |
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if(poDS != null){ |
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Driver poDriver = poDS.GetDriver();
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logger.warn(file + " -> Opened using driver '" + poDriver.GetName() + "' successfully."); |
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// Initialize the feature types
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FeatureStoreProviderServices store = this.getStoreServices();
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for(int ij=0; ij<poDS.GetLayerCount(); ij++){ |
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Layer layer = poDS.GetLayer(ij); |
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FeatureDefn layerDef = layer.GetLayerDefn(); |
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String[] headers = new String[layerDef.GetFieldCount()]; |
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int[] types = new int[layerDef.GetFieldCount()]; |
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for(int ji=0; ji<layerDef.GetFieldCount(); ji++){ |
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headers[ji] = layerDef.GetFieldDefn(ji).GetName(); |
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types[ji] = layerDef.GetFieldDefn(ji).GetFieldType(); |
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} |
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EditableFeatureType edftype = this.getFeatureType(headers, types);
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String geomColumn = layer.GetGeometryColumn();
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if(!StringUtils.isBlank(geomColumn)){
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edftype.setDefaultGeometryAttributeName(layer.GetGeometryColumn()); |
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}else{
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edftype.setDefaultGeometryAttributeName("GEOM");
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} |
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FeatureType ftype = edftype.getNotEditableCopy(); |
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List<FeatureType> ftypes = new ArrayList<FeatureType>(); |
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ftypes.add(ftype); |
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store.setFeatureTypes(ftypes, ftype); |
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if ( ftype.getDefaultGeometryAttributeName() != null ) { |
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this.need_calculate_envelope = true; |
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} |
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taskStatus.message("_loading");
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int count = 0; |
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int count_errors = 0; |
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boolean ignore_errors = false; |
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if(layer.GetFeatureCount()>0){ |
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org.gdal.ogr.Feature row = layer.GetNextFeature(); |
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while ( row != null ) { |
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taskStatus.setCurValue(++count); |
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FeatureProvider feature = this.createFeatureProvider(ftype);
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for ( int i = 0; i < row.GetFieldCount(); i++ ) { |
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try {
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feature.set(i, this.getFieldValue(row, i));
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} catch (RuntimeException ex) { |
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if ( !ignore_errors ) {
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throw ex;
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} |
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if ( count_errors++ < 10 ) { |
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logger.warn("Can't load value of attribute " + i + " in row " + count + ".", ex); |
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} |
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if ( count_errors == 10 ) { |
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logger.info("Too many errors, suppress messages.");
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} |
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} |
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} |
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org.gdal.ogr.Geometry geom = row.GetGeometryRef(); |
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if(geom != null){ |
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Geometry geometry; |
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try {
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geometry = GeometryLocator.getGeometryManager().createFrom(geom.ExportToWkt()); |
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feature.setDefaultGeometry(geometry); |
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} catch (CreateGeometryException e) {
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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} catch (LocatorException e) {
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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} catch (GeometryException e) {
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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} |
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} |
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this.addFeatureProvider(feature);
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row = layer.GetNextFeature(); |
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} |
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} |
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taskStatus.terminate(); |
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} |
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} |
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} |
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|
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private Object getFieldValue(org.gdal.ogr.Feature row, int i) { |
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int gdalType = row.GetDefnRef().GetFieldDefn(i).GetFieldType();
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switch(this.getFieldType(gdalType)){ |
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case DataTypes.STRING:
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return row.GetFieldAsString(i);
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case DataTypes.INT:
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return row.GetFieldAsInteger(i);
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default:
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return row.GetFieldAsString(i);
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} |
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} |
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private EditableFeatureType getFeatureType(String headers[], int automaticTypes[]) { |
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EditableFeatureType fType = getStoreServices().createFeatureType(this.getName());
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fType.setHasOID(true);
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DataTypesManager dataTypesManager = ToolsLocator.getDataTypesManager(); |
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FieldTypeParser[] fieldTypes = new FieldTypeParser[headers.length]; |
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//
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// Calculamos cuales pueden ser los tipos de datos
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//
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for ( int i = 0; i < fieldTypes.length; i++ ) { |
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fieldTypes[i] = new FieldTypeParser(headers[i], this.getFieldType(automaticTypes[i])); |
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} |
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//
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// Una vez ya sabemos los tipos de datos rellenamos el feature-type
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//
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for ( int i = 0; i < fieldTypes.length; i++ ) { |
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EditableFeatureAttributeDescriptor fad = fType.add( |
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fieldTypes[i].name, |
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fieldTypes[i].type |
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); |
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fad.setSize(fieldTypes[i].size); |
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fad.setAllowNull(fieldTypes[i].allowNulls); |
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if ( fieldTypes[i].type == DataTypes.GEOMETRY
|
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&& fType.getDefaultGeometryAttributeName() == null ) {
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fType.setDefaultGeometryAttributeName(fieldTypes[i].name); |
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} |
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} |
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EditableFeatureAttributeDescriptor attr = fType.add("GEOM", DataTypes.GEOMETRY);
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GeometryManager geommgr = GeometryLocator.getGeometryManager(); |
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GeometryType gt; |
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try {
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gt = geommgr.getGeometryType(Geometry.TYPES.GEOMETRY, Geometry.SUBTYPES.GEOM3D); |
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attr.setGeometryType(gt); |
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} catch (Exception e) { |
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logger.warn("Can't set geometry type for the calculated field in GPX file '" + getFullFileName() + "'.", e); |
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} |
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return fType;
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} |
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|
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|
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private int getFieldType(int gdalType) { |
| 478 |
switch(gdalType){
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case 2: |
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return DataTypes.FLOAT;
|
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case 11: |
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return DataTypes.DATE;
|
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case 4: |
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return DataTypes.STRING;
|
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default:
|
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return DataTypes.STRING;
|
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} |
| 488 |
} |
| 489 |
|
| 490 |
public String getDriver(int index){ |
| 491 |
return ogr.GetDriver(index).getName();
|
| 492 |
} |
| 493 |
|
| 494 |
public int getDriverCount(){ |
| 495 |
return ogr.GetDriverCount();
|
| 496 |
} |
| 497 |
|
| 498 |
public List<String> getAvailableDrivers(){ |
| 499 |
List<String> aux = new ArrayList<String>(); |
| 500 |
for(int iDriver = 0; iDriver < ogr.GetDriverCount(); iDriver++ ){ |
| 501 |
aux.add( ogr.GetDriver(iDriver).GetName() ); |
| 502 |
} |
| 503 |
return aux;
|
| 504 |
} |
| 505 |
|
| 506 |
public String getOGRVersion(){ |
| 507 |
return gdal.VersionInfo();
|
| 508 |
} |
| 509 |
|
| 510 |
|
| 511 |
|
| 512 |
private class FieldTypeParser { |
| 513 |
|
| 514 |
public String name = null; |
| 515 |
public int type = DataTypes.STRING; |
| 516 |
public int size = 0; |
| 517 |
public boolean allowNulls = true; |
| 518 |
|
| 519 |
private String typename = "string"; |
| 520 |
|
| 521 |
FieldTypeParser(String name, int type) { |
| 522 |
this.name = name;
|
| 523 |
this.type = type;
|
| 524 |
} |
| 525 |
|
| 526 |
private int getType(String value) { |
| 527 |
DataTypesManager dataTypesManager = ToolsLocator.getDataTypesManager(); |
| 528 |
return dataTypesManager.getType(typename);
|
| 529 |
} |
| 530 |
|
| 531 |
// El formato seria:
|
| 532 |
// name[:typename[:size[:notnull|null]]]
|
| 533 |
// name[__typename[__size[__notnull|null]]]
|
| 534 |
//
|
| 535 |
public boolean parse(String value) { |
| 536 |
String typename = null; |
| 537 |
String[] ss = null; |
| 538 |
if ( value.contains(":") ) { |
| 539 |
ss = value.split(":");
|
| 540 |
} else if ( value.contains("__") ) { |
| 541 |
ss = value.split("__");
|
| 542 |
} |
| 543 |
if ( ss == null ) { |
| 544 |
this.name = value;
|
| 545 |
return true; |
| 546 |
} |
| 547 |
switch (ss.length) {
|
| 548 |
case 4: |
| 549 |
if ( ss[3].length() > 0 ) { |
| 550 |
if ( "notnull".equalsIgnoreCase(ss[3]) ) { |
| 551 |
this.allowNulls = false; |
| 552 |
} else {
|
| 553 |
this.allowNulls = true; |
| 554 |
} |
| 555 |
} |
| 556 |
case 3: |
| 557 |
if ( ss[2].length() > 0 ) { |
| 558 |
try {
|
| 559 |
this.size = Integer.parseInt(ss[2]); |
| 560 |
} catch (Exception ex) { |
| 561 |
logger.warn("Ignore incorrect field size for field " + value + " in JExcel header of '" + getFullFileName() + "'.", ex); |
| 562 |
} |
| 563 |
} |
| 564 |
case 2: |
| 565 |
if ( ss[1].length() > 0 ) { |
| 566 |
this.typename = ss[1]; |
| 567 |
this.type = this.getType(this.typename); |
| 568 |
if ( this.type == DataTypes.INVALID ) { |
| 569 |
this.type = DataTypes.STRING;
|
| 570 |
logger.info("Type '" + typename + "' not valid for attribute '" + value + "' in JExcel file '" + getFullFileName() + "'."); |
| 571 |
} |
| 572 |
} |
| 573 |
case 1: |
| 574 |
this.name = ss[0]; |
| 575 |
break;
|
| 576 |
} |
| 577 |
|
| 578 |
if ( this.type != DataTypes.STRING ) { |
| 579 |
this.size = 0; |
| 580 |
} |
| 581 |
return true; |
| 582 |
} |
| 583 |
|
| 584 |
} |
| 585 |
|
| 586 |
} |