Application: gvSIG desktop

/* gvSIG. Desktop Geographic Information System.

 *

 * Copyright ? 2007-2016 gvSIG Association

 *

 * 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.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.raster.tilecache.provider;

import org.cresques.cts.IProjection;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.gvsig.fmap.dal.DataStoreNotification;

import org.gvsig.fmap.dal.FileHelper;

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

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

import org.gvsig.fmap.dal.raster.RasterQuery;

import org.gvsig.fmap.dal.raster.RasterStore;

import org.gvsig.fmap.dal.raster.spi.RasterStoreProvider;

import org.gvsig.fmap.dal.resource.spi.ResourceConsumer;

import org.gvsig.fmap.dal.resource.spi.ResourceProvider;

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

import org.gvsig.metadata.MetadataLocator;

import org.gvsig.metadata.MetadataManager;

import org.gvsig.metadata.exceptions.MetadataException;

import org.gvsig.raster.lib.buffer.api.TileStruct;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.dynobject.DynObject;

import org.gvsig.tools.task.SimpleTaskStatus;

import org.gvsig.tools.task.TaskStatusManager;

/**

 * Provider for Tile Cache

 *

 * @author dmartinezizquierdo

 *

 */

public class MemoryTileCacheStoreProvider extends AbstractTileCacheStoreProvider implements //RasterCacheStoreProvider,

    ResourceConsumer {

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

    public static String NAME = "MemoryTileCache";

    public static String DESCRIPTION = "Memory Tile cache provider";

    public static final String METADATA_DEFINITION_NAME = NAME;

    private final SimpleTaskStatus taskStatus;

    protected static void registerMetadataDefinition() throws MetadataException {

        MetadataManager manager = MetadataLocator.getMetadataManager();

        if (manager.getDefinition(METADATA_DEFINITION_NAME) == null) {

            manager.addDefinition(METADATA_DEFINITION_NAME,

                MemoryTileCacheStoreProviderParameters.class.getResourceAsStream("TileCacheMetadata.xml"),

                MemoryTileCacheStoreProviderParameters.class.getClassLoader());

        }

    }

    /**

     * @param params

     * @param storeServices

     * @throws InitializeException

     */

    public MemoryTileCacheStoreProvider(MemoryTileCacheStoreProviderParameters params, DataStoreProviderServices storeServices)

        throws InitializeException {

        super(params, storeServices, FileHelper.newMetadataContainer(METADATA_DEFINITION_NAME));

        TaskStatusManager manager = ToolsLocator.getTaskStatusManager();

        this.taskStatus = manager.createDefaultSimpleTaskStatus("MemoryTileCache");

        this.init(params, storeServices);

    }

    protected MemoryTileCacheStoreProvider(MemoryTileCacheStoreProviderParameters params, DataStoreProviderServices storeServices,

        DynObject metadata) throws InitializeException {

        super(params, storeServices, metadata);

        TaskStatusManager manager = ToolsLocator.getTaskStatusManager();

        this.taskStatus = manager.createDefaultSimpleTaskStatus("MemoryTileCache");

        this.init(params, storeServices);

    }

    protected void init(MemoryTileCacheStoreProviderParameters params,

        DataStoreProviderServices storeServices) throws InitializeException {

        bandsNumber = ((RasterStore)storeServices).getBands();

        if (params == null) {

            throw new InitializeException(

                new NullPointerException("params is null"));

        }

    }

    @Override

    public MemoryTileCacheStoreProviderParameters getParameters() {

        return (MemoryTileCacheStoreProviderParameters) super.getParameters();

    }

    @Override

    public ResourceProvider getResource() {

        return null;

    }

    @Override

    public Object getSourceId() {

        return this.innerProvider.getSourceId()+"_MemoryTileCache";

    }

    @Override

    public String getProviderName() {

        return NAME;

    }

    @Override

    public boolean closeResourceRequested(ResourceProvider resource) {

        return true;

    }

    @Override

    public void resourceChanged(ResourceProvider resource) {

        this.getStoreServices().notifyChange(DataStoreNotification.RESOURCE_CHANGED, resource);

    }

    @Override

    public void apply(RasterStoreProvider provider, IProjection crs, RasterQuery query) throws DataException {

        super.apply(provider, crs, query);

        setTileStructImage(new MemoryTileStructImage(provider, query));

    }

    @Override

    public RasterStoreProvider getInnerProvider() {

        return innerProvider;

    }

    @Override

    public TileStruct getTileStruct() {

        return innerProvider.getTileStruct();

    }

}