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.

*

*/

/*

* AUTHORS (In addition to CIT):

* 2009 IVER T.I   {{Task}}

*/

package org.gvsig.raster.multifile.io;

import java.util.ArrayList;

import java.util.List;

import org.gvsig.fmap.dal.DALLocator;

import org.gvsig.fmap.dal.coverage.store.RasterDataStore;

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

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

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

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

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

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

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

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

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

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

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.dynobject.DelegatedDynObject;

import org.gvsig.tools.dynobject.DynStruct;

import org.gvsig.tools.persistence.PersistenceManager;

import org.gvsig.tools.persistence.PersistentState;

import org.gvsig.tools.persistence.exception.PersistenceException;

/**

 * Parameters for the Multifile provider

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

 */

public class MultiFileDataParametersImpl extends AbstractRasterFileDataParameters implements MultiFileDataParameters {

        private List<RasterProvider>    providerList = null;

        public MultiFileDataParametersImpl() {

                super();

                providerList = new ArrayList<RasterProvider>();

                initialize();

        }

        protected void initialize() {

                delegatedDynObject = (DelegatedDynObject) ToolsLocator

                                .getDynObjectManager().createDynObject(

                                                registerDynClass());

        }

        @SuppressWarnings("unchecked")

        public void loadFromState(PersistentState state)

                        throws PersistenceException {

                super.loadFromState(state);

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

                List<RasterDataParameters> parameters = state.getList("parameters");

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

                        try {

                                DefaultRasterStore dSet = new DefaultRasterStore();

                                AbstractRasterProvider provider = (AbstractRasterProvider)dataManager.createProvider(dSet, parameters.get(i));

                                addProvider(provider);

                        } catch (InitializeException e) {

                                throw new PersistenceException(e);

                        } catch (ProviderNotRegisteredException e) {

                                throw new PersistenceException(e);

                        }

                }

        }

        public void saveToState(PersistentState state) throws PersistenceException {

                super.saveToState(state);

                List<RasterProvider> provList = getProviders();

                List<RasterDataParameters> rasterDataParametersList = new ArrayList<RasterDataParameters>(); 

                for (int j = 0; j < provList.size(); j++) {

                        rasterDataParametersList.add(provList.get(j).getDataParameters());        

                }

                state.set("parameters", rasterDataParametersList);        

        }        

        public static DynStruct registerDynClass() {

                PersistenceManager manager = ToolsLocator.getPersistenceManager();

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

                if( definition == null ) {

                        definition = manager.addDefinition(

                                        MultiFileDataParametersImpl.class,

                                        "MultiFileDataParameters_Persistent",

                                        "MultiFileDataParameters Persistent",

                                        null, 

                                        null

                        );

                        AbstractRasterDataParameters.registerDynClass(definition);

                }

                definition.addDynFieldList("parameters")

                .setClassOfItems(RasterDataParameters.class)

                .setMandatory(false);

                return definition;

        }

        public void removeAllProviders() {

                getProviders().clear();

                getParams().clear();

        }

        public boolean hasProviders() {

                return getProviders().size() > 0;

        }

        public void removeProvider(String uri) {

                if(getProviders() != null) {

                        List<RasterProvider> provList = getProviders();

                        List<RasterDataParameters> paramList = getParams();

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

                                RasterProvider rProv = provList.get(i);

                                if(rProv.getURIOfFirstProvider().compareTo(uri) == 0) {

                                        provList.remove(i);

                                        paramList.remove(i);

                                        return;

                                }

                        }

                }

        }

        public void addProviderNotTiled(DataStoreProvider provider) {

                if(provider instanceof RasterProvider) {

                        RasterProvider prov = (RasterProvider)provider;

                        if(!prov.isTiled()) {

                                addToList(prov);

                        }

                }

        }

        public void setFirstProvider(DataStoreProvider provider) {

                if(provider instanceof RasterProvider) {

                        RasterProvider prov = (RasterProvider)provider;

                        if(getProviders() != null) {

                                getProviders().set(0, prov);

                                getParams().set(0, prov.getDataParameters());

                        }

                }

        }

        public void addProvider(DataStoreProvider provider) {

                if(provider instanceof RasterProvider) {

                        RasterProvider prov = (RasterProvider)provider;

                        addToList(prov);

                }

        }

        public void addProvider(RasterDataStore rasterDataStore) {

                if(rasterDataStore instanceof DefaultRasterStore) {

                        RasterProvider prov = (RasterProvider)((DefaultRasterStore)rasterDataStore).getProvider();

                        addToList(prov);

                }

        }

        private void addToList(RasterProvider prov) {

                addProviderToList(prov);

                addParamToList(prov);

        }

        @SuppressWarnings("unchecked")

        private List<RasterDataParameters> getParams() {

                return (List<RasterDataParameters>)getDynValue("parameters");

        }

        private void addParamToList(RasterProvider prov) {

                List<RasterDataParameters> paramList = getParams();

                if(paramList == null) {

                        paramList = new ArrayList<RasterDataParameters>();

                        paramList.add(prov.getDataParameters());

                        setDynValue("parameters", paramList);

                } else {

                        paramList.add(prov.getDataParameters());

                }

        }

        public List<RasterProvider> getProviders() {

                return this.providerList;

        }

        private void addProviderToList(RasterProvider prov) {

                List<RasterProvider> provList = getProviders(); 

                if(provList == null) {

                        provList = new ArrayList<RasterProvider>();

                        provList.add(prov);

                        setDynValue("parameters", provList);

                } else {

                        provList.add(prov);

                }

        }

        public void setProviders(ArrayList<RasterProvider> provList) {

                List<RasterDataParameters> paramsList = new ArrayList<RasterDataParameters>();

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

                        paramsList.add(provList.get(i).getDataParameters());

                }

                setDynValue("parameters", paramsList);

                providerList = provList;

        }

        public String getDataStoreName() {

                return MultiFileProvider.NAME;

        }

        public String getDescription() {

                return MultiFileProvider.DESCRIPTION;

        }

}