Application: gvSIG desktop

package org.gvsig.data.datastores.vectorial.db.jdbc.postgresqlbin;

import java.lang.ref.WeakReference;

import java.sql.Connection;

import java.sql.ResultSet;

import java.sql.Statement;

import java.util.ArrayList;

import java.util.List;

import java.util.Locale;

import org.gvsig.data.IDataCollection;

import org.gvsig.data.IDataExplorer;

import org.gvsig.data.datastores.vectorial.db.DBFeatureType;

import org.gvsig.data.datastores.vectorial.db.jdbc.JDBCFeaturesWriter;

import org.gvsig.data.datastores.vectorial.db.jdbc.JDBCStore;

import org.gvsig.data.datastores.vectorial.db.jdbc.postgresql.PostgresqlFeatureID;

import org.gvsig.data.datastores.vectorial.db.jdbc.postgresql.PostgresqlStore;

import org.gvsig.data.datastores.vectorial.db.jdbc.postgresql.PostgresqlStoreParameters;

import org.gvsig.data.datastores.vectorial.db.jdbc.postgresql.PostgresqlStoreUtils;

import org.gvsig.data.exception.CloseException;

import org.gvsig.data.exception.InitializeException;

import org.gvsig.data.exception.OpenException;

import org.gvsig.data.exception.ReadException;

import org.gvsig.data.spatialprovisional.IExtent;

import org.gvsig.data.vectorial.IFeature;

import org.gvsig.data.vectorial.IFeatureCollection;

import org.gvsig.data.vectorial.IFeatureID;

import org.gvsig.data.vectorial.IFeatureType;

import org.gvsig.metadata.IMetadata;

import org.gvsig.metadata.IMetadataManager;

import org.gvsig.metadata.MetadataManager;

public class PostgresqlBinStore extends PostgresqlStore{

        public static final String CONNECTION_STRING = "postgresql";

        public static String DATASTORE_NAME = "PostgresqlStore";

        protected static Locale ukLocale = new Locale("en", "UK"); // English, UK version

    private DBFeatureType featureType;

        protected IMetadata metadata;

        PostgresqlBinStoreParameters getParametersPostgresql(){

                return (PostgresqlBinStoreParameters)this.parameters;

        }

        public String getName() {

                return DATASTORE_NAME;

        }

        protected void initConnection() throws InitializeException{

                PostgresqlStoreParameters dParams = this.getParametersPostgresql();

                String dburl = dParams.getUrl();

                String dbuser = dParams.getUser();

                String dbpass = dParams.getPassw();

                this.connection = PostgresqlBinStoreUtils.getConnection(dburl, dbuser, dbpass);

        }

        public IDataCollection getDataCollection(IFeatureType type, String filter, String order) throws ReadException {

                if (useSqlSource ){

                        if (filter != null || order != null){

                                throw new ReadException(DATASTORE_NAME,

                                                new UnsupportedOperationException("Unsuported filter/order in sqlSource mode"));

                        }

                }

                if (type==null){

                        type=getDefaultFeatureType();

                }

                IFeatureCollection coll=null;

                if (featureManager == null){

                        coll=new PostgresqlBinFeatureCollection(this,type,filter,order);

                }else{

//                        if ((order != null && order != "")){

//                                coll=new H2FeatureCollectionWithFeatureID(featureManager,this,type,filter,order);

//                        } else{

//                                if (filter == null || filter == ""){

//                                        coll=new H2FeatureCollectionEditing(featureManager,this,type);

//                                } else {

//                                        coll=new H2FeatureCollectionEditingFiltered(featureManager,this,type,filter);

//                                }

//                        }

//

                }

                this.addObserver(new WeakReference(coll));

                return coll;

        }

        public IFeature getFeatureByID(IFeatureType featureType2, Object[] featureKey) throws ReadException{

                if (useSqlSource){

                        throw new ReadException(this.getName(),

                                        new UnsupportedOperationException("Unsuported featureByID in sqlSource mode"));

                }

                ResultSet rs=null;

                try{

                        this.open();

                        Statement st=this.getConnection().createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_READ_ONLY);

                        String sql = this.getSqlSelectPart() + " WHERE "+ PostgresqlBinStoreUtils.getFliterForID(this.featureType, featureKey);

                        rs=st.executeQuery(sql);

                        if (rs.isLast()) {

                                return null;

                        }else{

                                if(rs.next()){

                                        return PostgresqlBinStoreUtils.createFeature(this, rs, this.featureType);

                                }

                        }

                } catch (java.sql.SQLException e) {

                        e.printStackTrace();

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

                } finally{

                        if (rs != null)

                                try {

                                        rs.close();

                                } catch (java.sql.SQLException e) {

                                        // TODO ?????

                                        e.printStackTrace();

                                }

                }

                return null;

        }

        Connection getCurrentConnection(){

                return this.getConnection();

        }

        public boolean canAlterFeatureType() {

                return true;

        }

        public void open() throws OpenException {

                // FIXME: Resource Manager

        }

        public void close() throws CloseException {

                // FIXME: Resource Manager

                try {

                        connection.close();

                } catch (java.sql.SQLException e) {

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

                }

        }

        public void dispose() {

                // FIXME: Resource Manager

        }

        public JDBCFeaturesWriter getFeaturesWriter() {

//                IFeaturesWriter writer = new H2FeaturesWriter();

//                writer.init(this);

//                return writer;

                return null;

        }

        public IMetadata getMetadata() {

                if (metadata==null){

                        IMetadataManager manager=MetadataManager.getManager();

                        metadata=manager.create(DATASTORE_NAME);

                        //TODO: Apadir los meteadatos

                }

                return metadata;

        }

        public IDataExplorer getExplorer() {

                // TODO Auto-generated method stub

                return null;

        }

        public boolean isEditable() {

                return false;

//                return super.isEditable();

        }

}