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;

import java.net.URI;

import org.gvsig.fmap.dal.DataParameters;

import org.gvsig.fmap.dal.coverage.store.parameter.RasterDataParameters;

import org.gvsig.fmap.dal.coverage.store.parameter.TileDataParameters;

import org.gvsig.fmap.dal.serverexplorer.filesystem.FilesystemStoreParameters;

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

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

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

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.dynobject.DelegatedDynObject;

import org.gvsig.tools.dynobject.DynStruct;

import org.gvsig.tools.persistence.PersistenceManager;

/**

 * Parameters for the <code>TileProvider</code>

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

 */

public class TileDataParametersImpl extends AbstractRasterFileDataParameters implements TileDataParameters {

        public static final String       FIELD_PARAMETERS      = "parameters";

        public static final String       FIELD_SECONDLEVEL     = "secondlevel";

        public static final String       FIELD_NAME            = "name";

        private static final String      FIELD_DELETECACHE     = "deletecache";

        private DelegatedDynObject       delegatedDynObject    = null;

        private TileServer               tileServer            = null;

        public TileDataParametersImpl() {

                super();

                initialize();

        }

        protected void initialize() {

                this.delegatedDynObject = (DelegatedDynObject) ToolsLocator

                                .getDynObjectManager().createDynObject(

                                                registerDynClass());

        }

        public static DynStruct registerDynClass() {

                PersistenceManager manager = ToolsLocator.getPersistenceManager();

                DynStruct definition = manager.getDefinition("TileDataParameters_Persistent");

                if( definition == null ) {

                        definition = manager.addDefinition(

                                        TileDataParametersImpl.class,

                                        "TileDataParameters_Persistent",

                                        "TileDataParameters Persistency",

                                        null,

                                        null

                                        );

                }

                AbstractRasterDataParameters.registerDynClass(definition);

                definition.addDynFieldObject(FIELD_PARAMETERS)

                .setDescription("Provider")

                .setClassOfValue(RasterDataParameters.class)

                .setMandatory(true);

                definition.addDynFieldBoolean(FIELD_SECONDLEVEL)

                .setDescription("SecondLevelProvider")

                .setMandatory(false);

                definition.addDynFieldString(FIELD_NAME)

                .setDescription("Name")

                .setMandatory(false);

                definition.addDynFieldBoolean(FIELD_DELETECACHE)

                .setDescription("Flag to delete cache the next request")

                .setMandatory(false);

                return definition;

        }

        /**

         * Sets the <code>DataParameters</code>

         * @param params

         */

        public void setDataParameters(DataParameters params) {

                this.setDynValue(FIELD_PARAMETERS, params);

        }

        public DataParameters getDataParameters() {

                return (DataParameters) this.getDynValue(FIELD_PARAMETERS);

        }

        /**

         * Sets the <code>TileServer</code>

         * @param tileServer

         */

        public void setTileServer(TileServer tileServer) {

                this.tileServer = tileServer;

        }

        /**

         * Gets the <code>TileServer</code>

         * @return

         */

        public TileServer getTileServer() {

                return tileServer;

        }

        /**

         * Returns true if this provider is for the second level of cach?

         * @return

         */

        public boolean isSecondLevelCache() {

                Object obj = this.getDynValue(FIELD_SECONDLEVEL);

                if(obj != null && obj instanceof Boolean)

                        return ((Boolean)obj).booleanValue();

                return false;

        }

        /**

         * Sets the flag to inform to the provider that is a second level provider

         * @param secondLevel

         */

        public void setSecondLevelCache(boolean secondLevel) {

                this.setDynValue(FIELD_SECONDLEVEL, new Boolean(secondLevel));

        }

        /**

         * Gets the name

         * @return

         */

        public String getName() {

                DataParameters p = getDataParameters();

                if(p != null) {

                        if(p instanceof FilesystemStoreParameters) {

                                return ((FilesystemStoreParameters)p).getFile().getAbsolutePath();

            } else {

                return ((RasterDataParameters) p).getURI().getPath();

            }

                }

                return null;

        }

        @Override

        public URI getURI() {

                if(this.getDynValue(FIELD_URI) == null) {

                        DataParameters p = getDataParameters();

                        if(p != null) {

                                if(p instanceof FilesystemStoreParameters) {

                                        return ((FilesystemStoreParameters)p).getFile().toURI();

                                } else {

                    return ((RasterDataParameters)p).getURI();

                                }

                        }

                }

                return (URI) this.getDynValue(FIELD_URI);

        }

        //**********************************************

        public String getDataStoreName() {

                return TileProvider.NAME;

        }

        public String getDescription() {

                return TileProvider.DESCRIPTION;

        }

        public String getExplorerName() {

                return TileServerExplorer.NAME;

        }

        public boolean isValid() {

                return (this.getDataParameters() != null);

        }

        protected DelegatedDynObject getDelegatedDynObject() {

                return delegatedDynObject;

        }

        /**

         * Sets the flag to delete the cache

         * @param deleteCache

         */

        public void deleteCache(boolean deleteCache) {

                this.setDynValue(FIELD_DELETECACHE, new Boolean(deleteCache));

        }

        /**

         * Returns true if the cache is going to be deleted

         * @return

         */

        public boolean isDeletingCache() {

                Boolean b = (Boolean)getDynValue(FIELD_DELETECACHE);

                if(b != null)

                        return ((Boolean)getDynValue(FIELD_DELETECACHE)).booleanValue();

                else

                        return false;

        }

        public boolean isSourceTiled() {

                return true;

        }

}