Application: gvSIG desktop

/* 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.

 *

 */

/*

 * AUTHORS (In addition to CIT):

 * 2008 IVER T.I. S.A.   {{Task}}

 */

package org.gvsig.fmap.dal;

import java.util.ArrayList;

import java.util.List;

import org.cresques.ProjectionLibrary;

import org.gvsig.fmap.dal.feature.spi.memory.MemoryResource;

import org.gvsig.fmap.dal.feature.spi.memory.MemoryResourceParameters;

import org.gvsig.fmap.dal.resource.ResourceManager;

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

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

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

import org.gvsig.fmap.geom.GeometryLibrary;

import org.gvsig.metadata.MetadataLibrary;

import org.gvsig.metadata.MetadataLocator;

import org.gvsig.metadata.MetadataManager;

import org.gvsig.metadata.exceptions.MetadataException;

import org.gvsig.timesupport.TimeSupportLibrary;

import org.gvsig.tools.ToolsLibrary;

import org.gvsig.tools.library.AbstractLibrary;

import org.gvsig.tools.library.LibraryException;

import org.gvsig.tools.locator.ReferenceNotRegisteredException;

/**

 * Initializes gvSIG's desktop DAL by registering the default implementation for

 * {@link DataManager} and {@link ResourceManager}.

 * 

 */

public class DALLibrary extends AbstractLibrary {

    public void doRegistration() {

        registerAsAPI(DALLibrary.class);

        require(ToolsLibrary.class);

        require(MetadataLibrary.class);

        require(ProjectionLibrary.class);

        require(GeometryLibrary.class);

        require(TimeSupportLibrary.class);

    }

    protected void doInitialize() throws LibraryException {

        // Do nothing

    }

    protected void doPostInitialize() throws LibraryException {

        List exs = new ArrayList();

        try {

            registerDataStoreMetadataDefinition();

        } catch (MetadataException e) {

            exs.add(e);

        }

        try {

            registerSpatialDataStoreMetadataDefinition();

        } catch (MetadataException e) {

            exs.add(e);

        }

        try {

            registerFeatureStoreMetadataDefinition();

        } catch (MetadataException e) {

            exs.add(e);

        }

        // Validate there is any implementation registered.

        DataManager dataManager = DALLocator.getDataManager();

        if (dataManager == null) {

            throw new ReferenceNotRegisteredException(

                DALLocator.DATA_MANAGER_NAME, DALLocator.getInstance());

        }

        ResourceManagerProviderServices resourceManager =

            (ResourceManagerProviderServices) DALLocator.getResourceManager();

        if (resourceManager == null) {

            throw new ReferenceNotRegisteredException(

                DALLocator.RESOURCE_MANAGER_NAME, DALLocator.getInstance());

        }

        if (!resourceManager.getResourceProviders().contains(

            MultiResource.TYPE_NAME)) {

            resourceManager.register(MultiResource.TYPE_NAME,

                MultiResource.DESCRIPTION, MultiResource.class,

                MultiResourceParameters.class);

        }

        if (!resourceManager.getResourceProviders().contains(

            MemoryResource.NAME)) {

            resourceManager.register(MemoryResource.NAME,

                MemoryResource.DESCRIPTION, MemoryResource.class,

                MemoryResourceParameters.class);

        }

        if (exs.size() > 0) {

            throw new LibraryException(this.getClass(), exs);

        }

    }

    private void registerDataStoreMetadataDefinition() throws MetadataException {

        MetadataManager manager = MetadataLocator.getMetadataManager();

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

            manager

                .addDefinition(DataStore.METADATA_DEFINITION_NAME,

                    DALLibrary.class

                        .getResourceAsStream("MetadataDefinitions.xml"),

                    DALLibrary.class.getClassLoader());

        }

    }

    private void registerSpatialDataStoreMetadataDefinition()

        throws MetadataException {

        MetadataManager manager = MetadataLocator.getMetadataManager();

        if (manager.getDefinition(DataStore.SPATIAL_METADATA_DEFINITION_NAME) == null) {

            manager

                .addDefinition(DataStore.SPATIAL_METADATA_DEFINITION_NAME,

                    DALLibrary.class

                        .getResourceAsStream("MetadataDefinitions.xml"),

                    DALLibrary.class.getClassLoader());

        }

    }

    private void registerFeatureStoreMetadataDefinition()

        throws MetadataException {

        MetadataManager manager = MetadataLocator.getMetadataManager();

        if (manager.getDefinition(DataStore.FEATURE_METADATA_DEFINITION_NAME) == null) {

            manager

                .addDefinition(DataStore.FEATURE_METADATA_DEFINITION_NAME,

                    DALLibrary.class

                        .getResourceAsStream("MetadataDefinitions.xml"),

                    DALLibrary.class.getClassLoader());

        }

    }

}