gvsig-projects-pool / org.gvsig.lidar.prov / org.gvsig.lidar.prov.whitebox / src / main / java / org / gvsig / lidar / prov / whitebox / WhiteboxLASFilesystemServerProvider.java @ 281
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/**
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* gvSIG. Desktop Geographic Information System.
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*
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* Copyright ? 2007-2016 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 2
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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.lidar.prov.whitebox; |
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import java.io.File; |
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import org.gvsig.fmap.dal.DALLocator; |
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import org.gvsig.fmap.dal.DataServerExplorer; |
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import org.gvsig.fmap.dal.DataStoreParameters; |
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import org.gvsig.fmap.dal.NewDataStoreParameters; |
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import org.gvsig.fmap.dal.exception.CreateException; |
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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.RemoveException; |
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import org.gvsig.fmap.dal.feature.EditableFeatureType; |
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import org.gvsig.fmap.dal.resource.ResourceAction; |
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import org.gvsig.fmap.dal.resource.file.FileResource; |
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import org.gvsig.fmap.dal.resource.spi.ResourceConsumer; |
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import org.gvsig.fmap.dal.resource.spi.ResourceProvider; |
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import org.gvsig.fmap.dal.serverexplorer.filesystem.impl.AbstractFilesystemServerExplorerProvider; |
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import org.gvsig.fmap.dal.serverexplorer.filesystem.spi.FilesystemServerExplorerProvider; |
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import org.gvsig.fmap.dal.serverexplorer.filesystem.spi.FilesystemServerExplorerProviderServices; |
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import org.gvsig.lidar.prov.LASDataStoreParameters; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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/**
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*
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* @author <a href="mailto:cmartinez@scolab.es">Cesar Martinez Izquierdo</a>
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*
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*/
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public class WhiteboxLASFilesystemServerProvider extends AbstractFilesystemServerExplorerProvider implements |
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FilesystemServerExplorerProvider, ResourceConsumer {
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private static final Logger LOG = LoggerFactory.getLogger(WhiteboxLASFilesystemServerProvider.class); |
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private FilesystemServerExplorerProviderServices serverExplorer;
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@Override
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public String getDataStoreProviderName() { |
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return WhiteboxLASDataStoreProvider.NAME;
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} |
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@Override
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public String getDescription() { |
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return WhiteboxLASDataStoreProvider.DESCRIPTION;
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} |
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@Override
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public boolean accept(File pathname) { |
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return (pathname.getName().toLowerCase().endsWith(".las")); |
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} |
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@Override
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public boolean closeResourceRequested(ResourceProvider resource) { |
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// Do nothing
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return true; |
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} |
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@Override
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public void resourceChanged(ResourceProvider resource) { |
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// Do nothing
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} |
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@Override
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public void initialize(FilesystemServerExplorerProviderServices serverExplorer) { |
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this.serverExplorer = serverExplorer;
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} |
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@Override
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public boolean canCreate() { |
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return false; |
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} |
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@Override
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public void create(NewDataStoreParameters parameters, boolean overwrite) throws CreateException { |
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throw new UnsupportedOperationException(); |
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/*
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if (parameters instanceof LASNewDataStoreParameters) {
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final LASNewDataStoreParameters newLASDataStoreParameters =
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(LASNewDataStoreParameters) parameters;
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final File file = newLASDataStoreParameters.getFile();
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if (file.isFile() && file.exists()) {
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if (overwrite) {
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// Deleting existing file
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try {
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this.remove(newLASDataStoreParameters);
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} catch (RemoveException e) {
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throw new CreateException("Can not overwrite file", e);
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}
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} else {
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throw new CreateException(file.getAbsolutePath(), new IllegalArgumentException(
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String.format("%1s exists and overwrite option is false",
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file.getAbsolutePath())));
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}
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}
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try {
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final FileResource resource =
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(FileResource) serverExplorer.getServerExplorerProviderServices()
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.createResource(FileResource.NAME, new Object[] { file.getAbsolutePath() });
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resource.addConsumer(this);
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resource.execute(new ResourceAction() {
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@Override
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public Object run() throws Exception {
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String driverName = newLASDataStoreParameters.getDriverName();
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Driver driver = ogr.GetDriverByName(driverName);
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if (driver == null || StringUtils.isBlank(driverName)) {
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throw new IllegalArgumentException(
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"Driver name can not be blank and driver must exist.");
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}
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List options = newLASDataStoreParameters.getDatasetCreationOptions();
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DataSource dataSource = null;
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if (options == null) {
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dataSource =
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driver.CreateDataSource(resource.getFile().getAbsolutePath());
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} else {
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dataSource =
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driver.CreateDataSource(resource.getFile().getAbsolutePath(),
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new Vector<String>(options));
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}
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if (dataSource == null) {
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LOG.error("Can not open datasource from {} and {} options", resource
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.getFile().getAbsoluteFile(), options);
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throw new ResourceExecuteException(resource, null);
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}
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String layerName = newLASDataStoreParameters.getLayerName();
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if (StringUtils.isBlank(layerName)) {
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layerName = file.getName();
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}
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// Check if layer already exist at dataSource
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Layer existingLayer = dataSource.GetLayerByName(layerName);
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if (existingLayer != null) {
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for (int i = 0; i < dataSource.GetLayerCount(); i++) {
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if (dataSource.GetLayerByIndex(i).GetName()
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.equals(existingLayer.GetName())) {
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dataSource.DeleteLayer(i); // Delete it if
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// exist
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break;
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}
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}
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}
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LASConverter converter = new LASConverter();
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FeatureAttributeDescriptor geometryAttribute =
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newLASDataStoreParameters.getDefaultFeatureType()
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.getDefaultGeometryAttribute();
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Integer ogrType = null;
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SpatialReference srs = null;
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// Determinate if featureType has SRS and geometry type
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// defined
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if (geometryAttribute != null) {
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int type = geometryAttribute.getGeomType().getType();
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ogrType = converter.convertToOGRGeomType(type);
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IProjection projection = geometryAttribute.getSRS();
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if (projection == null && newLASDataStoreParameters.getCRS() != null) {
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projection = newLASDataStoreParameters.getCRS();
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srs =
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new SpatialReference(projection.export(ICRSFactory.FORMAT_WKT));
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}
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}
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Layer layer = null;
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if (srs == null) {
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layer = dataSource.CreateLayer(layerName);
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} else if (ogrType == null) {
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layer = dataSource.CreateLayer(layerName, srs);
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} else {
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layer = dataSource.CreateLayer(layerName, srs, ogrType);
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}
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// Creating fields
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if (layer.TestCapability(ogrConstants.OLCCreateField)) {
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List<FieldDefn> fields =
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converter.convertFields(newLASDataStoreParameters
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.getDefaultFeatureType());
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for (FieldDefn fieldDefn : fields) {
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layer.CreateField(fieldDefn);
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}
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} else {
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LOG.warn("{} driver does not support creation of fields",
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driver.getName());
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}
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// Creating additional geometry fields, skipping default
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// geometry column.
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// When a OGR Layer is created, if feature type has
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// default geometry column
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// it will be set when layer is created
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if (layer.TestCapability(ogrConstants.OLCCreateGeomField)) {
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List<GeomFieldDefn> geomFields =
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converter.convertGeometryFields(
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newLASDataStoreParameters.getDefaultFeatureType(), false);
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for (GeomFieldDefn geomFieldDefn : geomFields) {
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layer.CreateGeomField(geomFieldDefn);
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}
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} else {
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LOG.warn(
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"{} driver does not support creation of geometry fields, only default"
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+ " OGR geometry field has been created", driver.getName());
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}
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// Release native resource to close file
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dataSource.delete();
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return null;
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}
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});
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} catch (InitializeException e) {
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throw new CreateException("Can not create file resource to create it", e);
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}
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}
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*/
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} |
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@Override
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public NewDataStoreParameters getCreateParameters() throws DataException { |
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LASDataStoreParameters newParameters = new LASDataStoreParameters(WhiteboxLASDataStoreProvider.NAME);
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EditableFeatureType editableFeatureType = DALLocator.getDataManager().createFeatureType(); |
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newParameters.setDefaultFeatureType(editableFeatureType); |
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return newParameters;
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} |
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@Override
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public void remove(DataStoreParameters parameters) throws RemoveException { |
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if (parameters instanceof LASDataStoreParameters) { |
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LASDataStoreParameters newLASDataStoreParameters = |
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(LASDataStoreParameters) parameters; |
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final File file = newLASDataStoreParameters.getFile(); |
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if (!file.exists() && !file.canWrite()) {
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throw new RemoveException(file.getAbsolutePath(), new IllegalArgumentException( |
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String.format("%1s does not exist", file.getAbsolutePath()))); |
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} |
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try {
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final FileResource resource =
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(FileResource) serverExplorer.getServerExplorerProviderServices() |
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.createResource(FileResource.NAME, new Object[] { file.getAbsolutePath() }); |
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resource.addConsumer(this);
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resource.execute(new ResourceAction() {
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@Override
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public Object run() throws Exception { |
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resource.closeRequest(); |
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file.delete(); |
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return null; |
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} |
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}); |
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resource.addConsumer(this);
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} catch (InitializeException e) {
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throw new RemoveException("Can not create file resource to remove it", e); |
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} |
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} |
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} |
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@Override
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public boolean canCreate(NewDataStoreParameters parameters) { |
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/*
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if (parameters instanceof LASNewDataStoreParameters) {
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LASNewDataStoreParameters newOGRDataStoreParameters =
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(LASNewDataStoreParameters) parameters;
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String driverName = newOGRDataStoreParameters.getDriverName();
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Driver driver = null;
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if (StringUtils.isNotBlank(driverName)) {
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driver = ogr.GetDriverByName(driverName);
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} else {
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return false;
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}
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if (driver.TestCapability(ogrConstants.ODrCCreateDataSource)
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&& driver.TestCapability(ogrConstants.OLCCreateField)) {
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File file = newOGRDataStoreParameters.getFile();
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if (file != null && file.canWrite()) {
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return true;
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}
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}
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}*/
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return false; |
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} |
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@Override
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public int getMode() { |
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return DataServerExplorer.MODE_GEOMETRY|DataServerExplorer.MODE_FEATURE;
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} |
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} |