root / branches / v2_0_0_prep / libraries / libFMap_daldb / src / org / gvsig / fmap / data / feature / db / jdbc / postgresqlbin / PostgresqlBinFeature.java @ 24491
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package org.gvsig.fmap.data.feature.db.jdbc.postgresqlbin; |
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import java.math.BigDecimal; |
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import java.nio.ByteBuffer; |
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import java.sql.Date; |
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import java.sql.ResultSet; |
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import java.sql.SQLException; |
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import java.sql.Timestamp; |
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import java.sql.Types; |
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import org.gvsig.fmap.dal.exceptions.DataException; |
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import org.gvsig.fmap.dal.exceptions.ReadException; |
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import org.gvsig.fmap.dal.feature.Feature; |
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import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
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import org.gvsig.fmap.dal.feature.FeatureReference; |
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import org.gvsig.fmap.dal.feature.FeatureType; |
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import org.gvsig.fmap.dal.feature.exceptions.IsNotFeatureSettingException; |
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import org.gvsig.fmap.data.feature.db.DBAttributeDescriptor; |
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import org.gvsig.fmap.data.feature.db.DBFeatureType; |
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import org.gvsig.fmap.data.feature.db.jdbc.JDBCFeature; |
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import org.gvsig.fmap.data.feature.db.jdbc.JDBCStore; |
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public class PostgresqlBinFeature extends JDBCFeature{ |
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/**
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*
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*/
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private static final long serialVersionUID = -1215877232314904198L; |
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PostgresqlBinFeature(FeatureType featureType, JDBCStore store, ResultSet rs) throws ReadException { |
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super(featureType, store, rs);
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} |
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public FeatureReference getID() {
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return new PostgresqlBinFeatureID(this.store,featureKey); |
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} |
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protected void loading() { |
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// TODO Auto-generated method stub
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super.loading();
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} |
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protected void stopLoading() { |
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// TODO Auto-generated method stub
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super.stopLoading();
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} |
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/* (non-Javadoc)
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* @see org.gvsig.fmap.dal.feature.db.jdbc.JDBCFeature#loadValueFromResulset(java.sql.ResultSet, org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor)
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*/
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protected void loadValueFromResulset(ResultSet rs, FeatureAttributeDescriptor attr) throws ReadException { |
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String name = attr.getName();
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Object value = null; |
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try {
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value = getFieldValueFromBinaryCursor(rs, (DBAttributeDescriptor)attr); |
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if (attr.getDataType().equals(FeatureAttributeDescriptor.GEOMETRY)) {
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this.setGeometry(name,value);
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} else {
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this.setAttribute(name, value);
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} |
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} catch (java.sql.SQLException e) {
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throw new ReadException("CreateFeature",e); |
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} catch (IsNotFeatureSettingException e) {
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throw new ReadException(this.store.getName(),e); |
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} |
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} |
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private Object getFieldValueFromBinaryCursor(ResultSet aRs, DBAttributeDescriptor attrDescriptor) throws java.sql.SQLException { |
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int fieldId = attrDescriptor.ordinal();
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int sqlType = attrDescriptor.getSqlType();
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byte[] byteBuf = aRs.getBytes(fieldId+1); |
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if (byteBuf == null) { |
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return null; |
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} else {
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ByteBuffer buf = ByteBuffer.wrap(byteBuf); |
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if (attrDescriptor.getDataType().equals(FeatureAttributeDescriptor.GEOMETRY)){
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if (attrDescriptor.getDataType() == FeatureAttributeDescriptor.GEOMETRY){
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if (byteBuf == null) { |
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return null; |
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} |
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// return wkbParser.parse(byteBuf);
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return null; |
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} |
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} |
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switch (sqlType) {
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case Types.VARCHAR: |
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//FIXME Error
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return aRs.getString(fieldId);
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// return new String(buf.toString());
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case Types.FLOAT: |
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return new Float(buf.getFloat()); |
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case Types.DOUBLE: |
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return new Double(buf.getDouble()); |
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case Types.REAL: |
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return new Float(buf.getFloat()); |
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case Types.INTEGER: |
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return new Integer(buf.getInt()); |
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case Types.BIGINT: |
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return new Long(buf.getLong()); |
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case Types.BIT: |
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return new Boolean(byteBuf[0] == 1); |
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case Types.BOOLEAN: |
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return new Boolean(aRs.getBoolean(fieldId)); |
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case Types.DATE: |
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long daysAfter2000 = buf.getInt() + 1; |
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long msecs = daysAfter2000*24*60*60*1000; |
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long real_msecs_date1 = (long) (XTypes.NUM_msSecs2000 + msecs); |
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Date realDate1 = new Date(real_msecs_date1); |
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return realDate1;
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case Types.TIME: |
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// TODO:
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// throw new RuntimeException("TIME type not implemented yet");
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return "NOT IMPLEMENTED YET"; |
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case Types.TIMESTAMP: |
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double segsReferredTo2000 = buf.getDouble();
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long real_msecs = (long) (XTypes.NUM_msSecs2000 + segsReferredTo2000*1000); |
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Timestamp valTimeStamp = new Timestamp(real_msecs); |
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return valTimeStamp;
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case Types.NUMERIC: |
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// System.out.println(metaData.getColumnName(fieldId) + " "
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// + metaData.getColumnClassName(fieldId));
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short ndigits = buf.getShort();
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short weight = buf.getShort();
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short sign = buf.getShort();
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short dscale = buf.getShort();
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String strAux;
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if (sign == 0) { |
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strAux = "+";
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} else {
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strAux = "-";
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} |
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for (int iDigit = 0; iDigit < ndigits; iDigit++) { |
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short digit = buf.getShort();
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strAux = strAux + digit; |
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if (iDigit == weight) {
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strAux = strAux + ".";
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} |
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} |
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strAux = strAux + "0";
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BigDecimal dec;
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dec = new BigDecimal(strAux); |
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// System.out.println(ndigits + "_" + weight + "_" + dscale
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// + "_" + strAux);
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// System.out.println(strAux + " Big= " + dec);
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return new Double(dec.doubleValue()); |
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default:
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//TODO ???
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throw new RuntimeException("Unsuported Type"); |
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} |
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} |
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} |
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protected Object[] getPkFromResulsetBinary(ResultSet rs, DBFeatureType featureType) throws SQLException { |
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String[] fieldsId = featureType.getFieldsId(); |
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Object[] result = new Object[fieldsId.length]; |
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for (int i=0;i<fieldsId.length;i++){ |
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result[i] = getFieldValueFromBinaryCursor( |
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rs, |
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(DBAttributeDescriptor)featureType.get(fieldsId[i]) |
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); |
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} |
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return result;
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} |
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/* (non-Javadoc)
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* @see org.gvsig.fmap.dal.feature.AbstractFeature#cloneFeature()
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*/
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protected Feature cloneFeature() throws DataException { |
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// TODO Auto-generated method stub
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return null; |
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} |
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} |