| gvSIG desktop 1

/* 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):

 * 2009 {Iver T.I.}   {Task}

 */

package org.gvsig.fmap.dal.store.wfs;

import java.io.IOException;

import java.util.List;

import org.gvsig.fmap.dal.DALLocator;

import org.gvsig.fmap.dal.DataManager;

import org.gvsig.fmap.dal.DataServerExplorer;

import org.gvsig.fmap.dal.DataStoreParameters;

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

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

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

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

import org.gvsig.fmap.dal.feature.FeatureQuery;

import org.gvsig.fmap.dal.feature.FeatureStore;

import org.gvsig.fmap.dal.feature.FeatureType;

import org.gvsig.fmap.dal.feature.spi.FeatureSetProvider;

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

import org.gvsig.fmap.dal.serverexplorer.wfs.WFSServerExplorer;

import org.gvsig.fmap.dal.serverexplorer.wfs.WFSServerExplorerParameters;

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

import org.gvsig.fmap.dal.store.gpe.GPEStoreProvider;

import org.gvsig.remoteClient.wfs.WFSClient;

import org.gvsig.remoteClient.wfs.WFSStatus;

import org.gvsig.remoteClient.wfs.exceptions.WFSException;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.dynobject.DynClass;

import org.gvsig.tools.dynobject.DynField;

import org.gvsig.tools.dynobject.DynObjectManager;

/**

 * @author <a href="mailto:jpiera@gvsig.org">Jorge Piera</a>

 */

public class WFSStoreProvider extends GPEStoreProvider implements

ResourceConsumer {

        public static String NAME = "WFSStore";

        public static String DESCRIPTION = "WFS store to load WFS resources";

        private static final String DYNCLASS_NAME = "WFSStore";

        protected static DynClass DYNCLASS = null;

        //WFS Parameters

        private WFSClient wfsClient = null;

        private WFSStatus wfsStatus = null;

        public WFSStoreProvider(DataStoreParameters params,

                        DataStoreProviderServices storeServices)

        throws InitializeException {

                super(params, storeServices, ToolsLocator.getDynObjectManager()

                                .createDynObject(DYNCLASS));

                WFSStoreParameters wfsParameters = getWFSParameters();

                try {

                        if (wfsParameters.getVersion() == null){

                                wfsClient = new WFSClient(wfsParameters.getUrl());

                                wfsParameters.setVersion(wfsClient.getVersion());

                        }else{

                                wfsClient = new WFSClient(wfsParameters.getUrl(), wfsParameters.getVersion());

                        }

                } catch (IOException e) {

                        throw new InitializeException(e);

                }

                wfsStatus = new WFSStatus( wfsParameters.getFeatureType(),

                                wfsParameters.getFeaturePrefix());

                wfsStatus.setNamespace(wfsParameters.getFeatureNamespace());

                wfsStatus.setFields(wfsParameters.getFields());

                //wfsStatus.setFilterQuery(wfsParameters.getFilterEncoding());

                wfsStatus.setTimeout(wfsParameters.getTimeOut());

                wfsStatus.setBuffer(wfsParameters.getMaxFeatures());

                wfsStatus.setUserName(wfsParameters.getUser());

                wfsStatus.setPassword(wfsParameters.getPassword());

        }

        private WFSStoreParameters getWFSParameters() {

                return (WFSStoreParameters) getParameters();

        }

        /* (non-Javadoc)

         * @see org.gvsig.fmap.dal.store.gpe.GPEStoreProvider#open()

         */

        public void open() throws OpenException {

                super.open();

                try {

                        List featureTypes = this.getFeatureStore().getFeatureTypes();

                        for (int i=0 ; i<featureTypes.size() ; i++){

                                FeatureType featureType = (FeatureType)featureTypes.get(i);

                        }

                } catch (DataException e) {

                        throw new OpenException("Reading the geometry type", e);

                }

        }

        protected static void registerDynClass() {

                DynObjectManager dynman = ToolsLocator.getDynObjectManager();

                DynClass dynClass;

                DynField field;

                if (DYNCLASS == null) {

                        dynClass = dynman.add(DYNCLASS_NAME);

                        dynClass.extend(dynman.get(FeatureStore.DYNCLASS_NAME));

                        DYNCLASS = dynClass;

                }

        }

        protected void retrieveFile() throws InitializeException{

                try {

                        m_Fich = wfsClient.getFeature(wfsStatus, true, null);

                } catch (WFSException e) {

                        throw new InitializeException("Impossible to retrieve the file", e);

                }

        }

        /* (non-Javadoc)

         * @see org.gvsig.fmap.dal.feature.spi.AbstractFeatureStoreProvider#getExplorer()

         */

        public DataServerExplorer getExplorer() throws ReadException {

                DataManager manager = DALLocator.getDataManager();

                WFSServerExplorerParameters params;

                try {

                        params = (WFSServerExplorerParameters) manager

                        .createServerExplorerParameters(WFSServerExplorer.NAME);

                        params.setUrl(wfsClient.getHost());

                        return manager.createServerExplorer(params);

                } catch (Exception e) {

                        throw new ReadException(this.getName(), e);

                }

        }

        /* (non-Javadoc)

         * @see org.gvsig.fmap.dal.feature.spi.FeatureStoreProvider#getName()

         */

        public String getName() {

                return NAME;

        }

        /* (non-Javadoc)

         * @see org.gvsig.fmap.dal.store.gpe.GPEStoreProvider#createSet(org.gvsig.fmap.dal.feature.FeatureQuery)

         */

        @Override

        public FeatureSetProvider createSet(FeatureQuery query)

        throws DataException {

                executeQuery(query);

                return super.createSet(query);

        }

        /* (non-Javadoc)

         * @see org.gvsig.fmap.dal.store.gpe.GPEStoreProvider#createSet(org.gvsig.fmap.dal.feature.FeatureQuery, org.gvsig.fmap.dal.feature.FeatureType)

         */

        @Override

        public FeatureSetProvider createSet(FeatureQuery query,

                        FeatureType featureType) throws DataException {

                executeQuery(query);

                return super.createSet(query, featureType);

        }

        /**

         * Executes a new query sending the FilterEncoding request to the server

         * @param query

         * The Query to send

         * @throws InitializeException

         * If there is a problem with the request or the parsing process

         */

        private void executeQuery(FeatureQuery query) throws DataException{

//                if (query.getFilter() instanceof FEIntersectsEvaluator){

//                        wfsStatus.setFilterQuery(((FEIntersectsEvaluator)query.getFilter()).getFilterEncoding());

//                        wfsStatus.setProtocol(OGCClientOperation.PROTOCOL_POST);

//                        //Retrieve the new GML and parse it

//                        initialize(getStoreServices());

//                }

        }

}