Application: gvSIG desktop » gvSIG raster

/* gvSIG. Geographic Information System of the Valencian Government

 *

 * Copyright (C) 2007-2008 Infrastructures and Transports Department

 * of the Valencian Government (CIT)

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 */

package org.gvsig.raster.tilecache.io.tff;

import java.awt.geom.Point2D;

import java.io.File;

import org.gvsig.fmap.dal.DALFileLocator;

import org.gvsig.fmap.dal.DALLocator;

import org.gvsig.fmap.dal.DataStore;

import org.gvsig.fmap.dal.coverage.RasterLocator;

import org.gvsig.fmap.dal.coverage.datastruct.Extent;

import org.gvsig.fmap.dal.coverage.exception.BandAccessException;

import org.gvsig.fmap.dal.coverage.exception.FileNotOpenException;

import org.gvsig.fmap.dal.coverage.exception.InvalidSetViewException;

import org.gvsig.fmap.dal.coverage.exception.InvalidSourceException;

import org.gvsig.fmap.dal.coverage.exception.NotSupportedExtensionException;

import org.gvsig.fmap.dal.coverage.exception.ParsingException;

import org.gvsig.fmap.dal.coverage.exception.ProcessInterruptedException;

import org.gvsig.fmap.dal.coverage.exception.RasterDriverException;

import org.gvsig.fmap.dal.exception.InitializeException;

import org.gvsig.fmap.dal.exception.OpenException;

import org.gvsig.fmap.dal.spi.DataManagerProviderServices;

import org.gvsig.fmap.dal.spi.DataStoreProviderServices;

import org.gvsig.metadata.MetadataLocator;

import org.gvsig.raster.cache.tile.Tile;

import org.gvsig.raster.cache.tile.exception.TileGettingException;

import org.gvsig.raster.cache.tile.provider.TileServer;

import org.gvsig.raster.impl.buffer.SpiRasterQuery;

import org.gvsig.raster.impl.provider.AbstractRasterProvider;

import org.gvsig.raster.impl.provider.RasterProvider;

import org.gvsig.raster.impl.provider.TiledRasterProvider;

import org.gvsig.raster.impl.store.DefaultStoreFactory;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.extensionpoint.ExtensionPoint;

import org.gvsig.tools.extensionpoint.ExtensionPointManager;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

/**

 * Provider for <code>TileFileFormat</code>

 *

 * @author Nacho Brodin (nachobrodin@gmail.com)

 */

public class TileFileFormatProvider extends AbstractRasterProvider implements TiledRasterProvider {

        public static String                NAME                     = "TileFileFormat Store";

        public static String                DESCRIPTION              = "Tile file format Source";

        public static final String          METADATA_DEFINITION_NAME = "TileFileFormatStore";

        private static final Logger         logger                   = LoggerFactory.getLogger(TileFileFormatProvider.class);

        protected static String[]           formatList               = null;

        private boolean                     open                     = false;

        /**

         *

         */

        public static void register() {

                ExtensionPointManager extensionPoints = ToolsLocator.getExtensionPointManager();

                registerFormats();

                ExtensionPoint point = extensionPoints.get("DefaultRasterProvider");

                point.append("reader", TileFileFormatProvider.NAME, TileFileFormatProvider.class);

                DataManagerProviderServices dataman = (DataManagerProviderServices) DALLocator.getDataManager();

                if (dataman != null && !dataman.getStoreProviders().contains(NAME)) {

                        dataman.registerStoreProvider(NAME,

                                        TileFileFormatProvider.class, TileFileFormatDataParameters.class);

                }

                if(DALFileLocator.getFilesystemServerExplorerManager() != null)

                        DALFileLocator.getFilesystemServerExplorerManager().registerProvider(

                                        NAME, DESCRIPTION,

                                        TileFileFormatFilesystemServerExplorer.class);

                dataman.registerStoreFactory(NAME, DefaultStoreFactory.class);

        }

        private static void registerFormats() {

                formatList      = new String[] {"tff"};

                for (int i = 0; i < formatList.length; i++)

                        RasterLocator.getManager().getProviderServices().addFormat(formatList[i], TileFileFormatProvider.class);

        }

        public String[] getFormatList() {

                return formatList;

        }

        /**

         * @param ext

         * @return true if the extension is supported

         */

        public boolean isExtensionSupported(String ext) {

                if(ext.indexOf(".") != -1)

                        ext = ext.substring(ext.lastIndexOf(".") + 1, ext.length());

                for (int i = 0; i < formatList.length; i++) {

                        if(formatList[i].compareTo(ext) == 0)

                                return true;

                }

                return false;

        }

        /**

         * @throws NotSupportedExtensionException

         */

        public TileFileFormatProvider() throws NotSupportedExtensionException {

                super();

        }

        /**

         * @param params

         * @param storeServices

         * @throws InitializeException

         */

        public TileFileFormatProvider(TileFileFormatDataParameters params,

                        DataStoreProviderServices storeServices) throws InitializeException {

                super(params, storeServices, ToolsLocator.getDynObjectManager()

                                .createDynObject(

                                                MetadataLocator.getMetadataManager().getDefinition(

                                                                DataStore.METADATA_DEFINITION_NAME)));

                try {

                        init(params, storeServices);

                } catch (OpenException e) {

                        throw new InitializeException("Error open the source", e);

                } catch (NotSupportedExtensionException e) {

                        throw new InitializeException("Not supported extension", e);

                }

        }

        /**

         * Build file references

         * @param params

         * @param storeServices

         * @throws NotSupportedExtensionException

         * @throws OpenException

         */

        public void init(TileFileFormatDataParameters params,

                        DataStoreProviderServices storeServices) throws NotSupportedExtensionException, OpenException {

                openFromTff();

                uri = getParameters().getURI();

                super.init();

                try {

                        loadFromRmf(getRmfBlocksManager());

                } catch (ParsingException e) {

                        logger.debug("Problems reading from RMF", e);

                }

                open = true;

        }

        /**

         * Open from a .mff file.

         * This method loads all providers and adds these to the parameters

         * @throws OpenException

         */

        private void openFromTff() throws OpenException {

        }

        /**

         * @return the TileFileFormatDataParameters

         */

        public TileFileFormatDataParameters getParameters() {

                try {

                        return (TileFileFormatDataParameters)parameters;

                } catch (ClassCastException e) {

                        return null;

                }

        }

        @Override

        public int getBlockSize() {

                return 0;

        }

        @Override

        public Object getData(int x, int y, int band)

                        throws InvalidSetViewException, FileNotOpenException,

                        RasterDriverException {

                return null;

        }

        @Override

        public double getHeight() {

                return 0;

        }

        @Override

        public int getOverviewHeight(int band, int overview)

                        throws BandAccessException, RasterDriverException {

                return 0;

        }

        @Override

        public int getOverviewWidth(int band, int overview)

                        throws BandAccessException, RasterDriverException {

                return 0;

        }

        @Override

        public Extent getView() {

                return null;

        }

        @Override

        public double getWidth() {

                return 0;

        }

        @Override

        public boolean isOverviewsSupported() {

                return false;

        }

        @Override

        public RasterProvider load() {

                return null;

        }

        @Override

        public void setView(Extent e) {

        }

        public Extent getCoordsInLevel(Point2D viewCenter, int level, int w, int h) {

                return null;

        }

        public Extent getCoordsInTheNearestLevel(Extent extent, int w, int h) {

                return null;

        }

        public RasterProvider getInternalProvider() {

                return null;

        }

        public int getNearestLevel(double pixelSize) {

                return 0;

        }

        public Tile getTile(SpiRasterQuery q) throws TileGettingException {

                return null;

        }

        public int getZoomLevels() {

                return 0;

        }

        public int getOverviewCount(int band) throws BandAccessException,

                        RasterDriverException {

                return 0;

        }

        public TileServer getTileServer() {

                return null;

        }

        public boolean isOpen() {

                return open;

        }

        public Object readBlock(int pos, int blockHeight, double scale)

                        throws InvalidSetViewException, FileNotOpenException,

                        RasterDriverException, ProcessInterruptedException {

                return null;

        }

        public void setStatus(RasterProvider provider) {

        }

        public String getProviderName() {

                return NAME;

        }

        @Override

        public void loadBuffer(SpiRasterQuery query)

                        throws ProcessInterruptedException, RasterDriverException {

                // TODO Auto-generated method stub

        }

    /* (non-Javadoc)

     * @see org.gvsig.raster.impl.provider.RasterProvider#addFile(java.io.File)

     */

    @Override

    public void addFile(File file) throws InvalidSourceException {

        //Do nothing

    }

    /* (non-Javadoc)

     * @see org.gvsig.raster.impl.provider.RasterProvider#removeFile(java.io.File)

     */

    @Override

    public void removeFile(File file) {

        //Do nothing

    }

}