Application: gvSIG desktop

import java.math.BigDecimal;

import java.nio.ByteBuffer;

import java.sql.Date;

import java.sql.SQLException;

import java.sql.Timestamp;

import java.sql.Types;

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

import org.gvsig.data.datastores.vectorial.db.jdbc.postgresql.PostGIS2Geometry;

import org.gvsig.data.vectorial.IFeatureAttributeDescriptor;

import org.postgis.PGgeometry;

import com.iver.cit.gvsig.fmap.core.IGeometry;

import com.iver.cit.gvsig.fmap.drivers.XTypes;

    PostgresqlBinStoreParameters getParametersPostgresql(){

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

			String cursorName = PostgresqlBinStoreUtils.createCursorName();

			String mSql="BEGIN";

			st.execute(mSql);

			mSql="declare " + cursorName + " binary cursor for " + sql;

			st.execute(mSql);

			rs=st.executeQuery("fetch 1 in "+ cursorName);

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

	protected void loadValueFromResulset(ResultSet rs, IFeature feature, IFeatureAttributeDescriptor attr) throws ReadException {

		String name = attr.getName();

		Object value = null;

		try {

			value = getFieldValueFromBinaryCursor(rs, (JDBCAttributeDescriptor)attr);

			if (attr.getDataType().equals(IFeatureAttributeDescriptor.TYPE_GEOMETRY)) {

				feature.setGeometry(name,value);

			} else {

				feature.set(name, value);

			}

		} catch (java.sql.SQLException e) {

			throw new ReadException("CreateFeature",e);

		}

	}

	public IMetadata getMetadata() {

		if (metadata==null){

			IMetadata tmp=super.getMetadata();

			return tmp;

		}else{

			return super.getMetadata();

		}

	}

	static Object getFieldValueFromBinaryCursor(ResultSet aRs, JDBCAttributeDescriptor attrDescriptor) throws java.sql.SQLException {

		int fieldId = attrDescriptor.ordinal();

		int sqlType = attrDescriptor.getSqlType();

		byte[] byteBuf = aRs.getBytes(fieldId+1);

		if (byteBuf == null)

			return null;

		else {

			ByteBuffer buf = ByteBuffer.wrap(byteBuf);

			if (attrDescriptor.getDataType().equals(IFeatureAttributeDescriptor.TYPE_GEOMETRY)){

				if (attrDescriptor.getDataType() == IFeatureAttributeDescriptor.TYPE_GEOMETRY){

					if (byteBuf == null)

						return null;

//					return wkbParser.parse(byteBuf);

					return null;

				}

			}

			switch (sqlType) {

			case Types.VARCHAR:

				//FIXME Error

				return aRs.getString(fieldId);

//				return new String(buf.toString());

			case Types.FLOAT:

				return new Float(buf.getFloat());

			case Types.DOUBLE:

				return new Double(buf.getDouble());

			case Types.REAL:

				return new Float(buf.getFloat());

			case Types.INTEGER:

				return new Integer(buf.getInt());

			case Types.BIGINT:

				return new Long(buf.getLong());

			case Types.BIT:

				return new Boolean(byteBuf[0] == 1);

			case Types.BOOLEAN:

				return new Boolean(aRs.getBoolean(fieldId));

			case Types.DATE:

				long daysAfter2000 = buf.getInt() + 1;

				long msecs = daysAfter2000*24*60*60*1000;

				long real_msecs_date1 = (long) (XTypes.NUM_msSecs2000 + msecs);

				Date realDate1 = new Date(real_msecs_date1);

				return realDate1;

			case Types.TIME:

				// TODO:

				// throw new RuntimeException("TIME type not implemented yet");

				return "NOT IMPLEMENTED YET";

			case Types.TIMESTAMP:

				double segsReferredTo2000 = buf.getDouble();

				long real_msecs = (long) (XTypes.NUM_msSecs2000 + segsReferredTo2000*1000);

				Timestamp valTimeStamp = new Timestamp(real_msecs);

				return valTimeStamp;

			case Types.NUMERIC:

				// System.out.println(metaData.getColumnName(fieldId) + " "

				// + metaData.getColumnClassName(fieldId));

				short ndigits = buf.getShort();

				short weight = buf.getShort();

				short sign = buf.getShort();

				short dscale = buf.getShort();

				String strAux;

				if (sign == 0)

					strAux = "+";

				else

					strAux = "-";

				for (int iDigit = 0; iDigit < ndigits; iDigit++) {

					short digit = buf.getShort();

					strAux = strAux + digit;

					if (iDigit == weight)

						strAux = strAux + ".";

				}

				strAux = strAux + "0";

				BigDecimal dec;

				dec = new BigDecimal(strAux);

				// System.out.println(ndigits + "_" + weight + "_" + dscale

				// + "_" + strAux);

				// System.out.println(strAux + " Big= " + dec);

				return new Double(dec.doubleValue());

			default:

				//TODO ???

				throw new RuntimeException("Unsuported Type");

			}

		}

	}

	protected Object[] getPkFromResulsetBinary(ResultSet rs, DBFeatureType featureType) throws SQLException {

		String[] fieldsId = featureType.getFieldsId();

		Object[] result = new Object[fieldsId.length];

		for (int i=0;i<fieldsId.length;i++){

			result[i] = getFieldValueFromBinaryCursor(

					rs,

					(JDBCAttributeDescriptor)featureType.get(

							featureType.getFieldIndex(fieldsId[i])

							)

				);

		}

		return result;

	}

	IFeature createFeatureFromResulset(ResultSet rs, DBFeatureType featureType2) throws ReadException {

		return this.createFeature(rs, featureType2);

	}