Revision 20029 trunk/libraries/libDataSourceDBBaseDrivers/src/org/gvsig/data/datastores/vectorial/db/jdbc/postgresql/PostgresqlStoreUtils.java
| PostgresqlStoreUtils.java | ||
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| 1 | 1 |
package org.gvsig.data.datastores.vectorial.db.jdbc.postgresql; |
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import java.math.BigDecimal; |
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import java.nio.ByteBuffer; |
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import java.sql.Connection; |
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import java.sql.Date; |
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import java.sql.DriverManager; |
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import java.sql.ResultSet; |
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import java.sql.ResultSetMetaData; |
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import java.sql.Statement; |
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import java.sql.Timestamp; |
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import java.sql.Types; |
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import java.util.ArrayList; |
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import java.util.Iterator; |
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import org.gvsig.data.datastores.vectorial.db.DBFeatureType; |
| ... | ... | |
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import org.gvsig.data.datastores.vectorial.db.jdbc.JDBCStore; |
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import org.gvsig.data.datastores.vectorial.db.jdbc.exception.JDBCDriverNotFoundException; |
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import org.gvsig.data.datastores.vectorial.db.jdbc.exception.SQLException; |
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import org.gvsig.data.datastores.vectorial.db.jdbc.h2.H2Store; |
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import org.gvsig.data.exception.InitializeException; |
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import org.gvsig.data.exception.ReadException; |
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import org.gvsig.data.vectorial.DefaultAttributeDescriptor; |
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import org.gvsig.data.vectorial.IFeature; |
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import org.gvsig.data.vectorial.IFeatureAttributeDescriptor; |
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import org.postgis.PGgeometry; |
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import com.iver.cit.gvsig.fmap.core.IGeometry; |
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import com.iver.cit.gvsig.fmap.core.ShapeFactory; |
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import com.iver.cit.gvsig.fmap.drivers.WKBParser2; |
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import com.iver.cit.gvsig.fmap.drivers.XTypes; |
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import com.vividsolutions.jts.io.WKBWriter; |
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public class PostgresqlStoreUtils {
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private static WKBParser2 wkbParser = new WKBParser2(); |
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private static WKBWriter wkbWriter = new WKBWriter(); |
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static String getJDBCUrl(String host, String db, String port) {
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String url; |
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url = "jdbc:postgresql://"+host+":" + port +"/"+db; |
| ... | ... | |
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return url; |
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} |
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private static void addConditionForSerialField(JDBCAttributeDescriptor attr,StringBuffer sqlSeq){
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sqlSeq.append(" (");
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sqlSeq.append(" column_name = '" + attr.getName() +"'");
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sqlSeq.append(" and table_name = '" + attr.getTableName()+ "'");
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if (attr.getSchemaName() != null && attr.getSchemaName().length() > 0){
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sqlSeq.append(" and table_schema = '" + attr.getSchemaName() +"'");
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} |
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sqlSeq.append(" and table_catalog = '" + attr.getCatalogName()+ "'");
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sqlSeq.append(")");
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} |
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private static void initializeSerialFields(Connection connection,DBFeatureType featureType) throws java.sql.SQLException{
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JDBCAttributeDescriptor attr; |
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ArrayList serialCandidates= new ArrayList(); |
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Iterator iter = featureType.iterator(); |
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while(iter.hasNext()){
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attr = (JDBCAttributeDescriptor)iter.next(); |
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if (attr.getSqlTypeName().equals("int4") &&
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attr.getTableName() != null && |
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attr.getTableName().length() > 0){
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serialCandidates.add(attr); |
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} |
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} |
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if (serialCandidates.size() == 0){
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return; |
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} |
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Statement st = connection.createStatement(); |
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StringBuffer sqlSeq= new StringBuffer("select table_catalog,table_schema,table_name,column_name from information_schema.columns where column_default like 'nextval(%' and ( ");
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iter = serialCandidates.iterator(); |
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String sql; |
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int i; |
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for (i=0;i<serialCandidates.size()-1;i++){
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attr = (JDBCAttributeDescriptor)serialCandidates.get(i); |
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addConditionForSerialField(attr,sqlSeq); |
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sqlSeq.append(" or ");
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} |
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attr = (JDBCAttributeDescriptor)serialCandidates.get(i); |
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addConditionForSerialField(attr,sqlSeq); |
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sqlSeq.append(")");
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sql=sqlSeq.toString(); |
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ResultSet rs = st.executeQuery(sql); |
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while (rs.next()){
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iter = serialCandidates.iterator(); |
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while (iter.hasNext()){
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attr = (JDBCAttributeDescriptor)iter.next(); |
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if (rs.getString("column_name").equals(attr.getName())){
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attr.setAutoIncrement(true); |
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serialCandidates.remove(attr); |
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break; |
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} |
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} |
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} |
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} |
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static DBFeatureType getFeatureType(Connection connection, PostgresqlStoreParameters params) throws ReadException{
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DBFeatureType featureType = new DBFeatureType(); |
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String[] ids =params.getFieldsId(); |
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int i; |
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loadFieldsToFeatureType(connection, params, featureType); |
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featureType.setFieldsId(params.getFieldsId()); |
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//Inicializamos los IDs |
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JDBCAttributeDescriptor attr; |
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for (i=0;i<ids.length;i++){
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try {
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attr = (JDBCAttributeDescriptor)featureType.get(ids[i]); |
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} catch (IndexOutOfBoundsException e){
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throw new InitializeException( |
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PostgresqlStore.DATASTORE_NAME, |
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new Exception("Id Field '"+ ids[i] +"' not Found"));
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} |
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attr.setPrimaryKey(true); |
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} |
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featureType.setFieldsId(ids); |
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//Inicializamos los 'serial' ya que en postgres el |
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//'isAutonumeric' devuelve false |
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// try{
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// initializeSerialFields(connection,featureType); |
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// } catch (java.sql.SQLException e) {
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// throw new InitializeException(PostgresqlStore.DATASTORE_NAME,e); |
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// |
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// } |
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// |
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//Inicializar campos geometricos si los hubiese |
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//TODO Datos geometricos |
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//Inicializar la geometria por defecto |
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if (params.getDefaultGeometryField() != null && params.getDefaultGeometryField() != ""){
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if (featureType.getFieldIndex(params.getDefaultGeometryField())< 0){
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// FIXME: crear una nueva excepcion?? |
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throw new InitializeException( |
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PostgresqlStore.DATASTORE_NAME, |
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new Exception("Geometry Field '"+ params.getDefaultGeometryField() +"' not Found"));
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} |
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attr = (JDBCAttributeDescriptor)featureType.get(params.getDefaultGeometryField()); |
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if (attr.getDataType() != IFeatureAttributeDescriptor.TYPE_GEOMETRY){
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throw new InitializeException( |
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PostgresqlStore.DATASTORE_NAME, |
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new Exception("Field '"+ params.getDefaultGeometryField() +"' isn't a geometry"));
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} |
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featureType.setDefaultGeometry(params.getDefaultGeometryField()); |
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} |
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return featureType; |
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} |
| ... | ... | |
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private static void loadFieldsToFeatureType(Connection conn,PostgresqlStoreParameters params,DBFeatureType featureType) throws ReadException{
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String sql=""; |
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String columns=params.getFieldsString(); |
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boolean fillTableData; |
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if (params.getSqlSoure() != null){
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sql = params.getSqlSoure(); |
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fillTableData = false; |
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} else {
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sql = "Select "+columns+" from " + params.tableID() + " limit 1;"; |
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sql = "Select "+columns+" from " + params.tableID(); |
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fillTableData = true; |
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} |
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try {
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Statement stAux = conn.createStatement(); |
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stAux.setFetchSize(1); |
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ResultSet rs = stAux.executeQuery(sql); |
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ResultSetMetaData rsMetadata = rs.getMetaData(); |
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int i; |
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featureType.setTableID(params.tableID()); |
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DefaultAttributeDescriptor attr;
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JDBCAttributeDescriptor attr;
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for (i=1;i<=rsMetadata.getColumnCount();i++){
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attr = getAttributeFromJDBC(conn,rsMetadata,i); |
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featureType.add(attr); |
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attr.setOrdinal(i-1); |
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attr.setCatalogName(params.getDb()); |
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if (fillTableData){
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attr.setSchemaName(params.getSchema()); |
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attr.setTableName(params.getTableName()); |
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} |
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} |
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rs.close(); |
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stAux.close(); |
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} catch (java.sql.SQLException e) {
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// TODO Auto-generated catch block |
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throw new SQLException(sql,"getFeatureType",e); |
| 100 | 207 |
} |
| 101 | 208 |
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} |
| 103 | 210 |
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private static DefaultAttributeDescriptor getAttributeFromJDBC(Connection conn,ResultSetMetaData rsMetadata,int colIndex) throws SQLException{
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private static JDBCAttributeDescriptor getAttributeFromJDBC(Connection conn,ResultSetMetaData rsMetadata,int colIndex) throws SQLException{
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JDBCAttributeDescriptor column= new JDBCAttributeDescriptor(); |
| 106 | 213 |
try {
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column.setName(rsMetadata.getColumnName(colIndex)); |
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column.setCaseSensitive(rsMetadata.isCaseSensitive(colIndex)); |
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column.setSqlType(rsMetadata.getColumnType(colIndex)); |
| 109 | 217 |
column.setAllowNull(rsMetadata.isNullable(colIndex) == ResultSetMetaData.columnNullable); |
| 110 | 218 |
column.setAutoIncrement(rsMetadata.isAutoIncrement(colIndex)); |
| 111 | 219 |
column.setReadOnly(rsMetadata.isReadOnly(colIndex)); |
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column.setWritable(rsMetadata.isWritable(colIndex)); |
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column.setClassName(rsMetadata.getColumnClassName(colIndex)); |
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column.setCatalogName(rsMetadata.getCatalogName(colIndex)); |
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column.setDefinitelyWritable(rsMetadata.isDefinitelyWritable(colIndex)); |
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column.setLabel(rsMetadata.getColumnLabel(colIndex)); |
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column.setSchemaName(rsMetadata.getSchemaName(colIndex)); |
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column.setTableName(rsMetadata.getTableName(colIndex)); |
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column.setCatalogName(rsMetadata.getCatalogName(colIndex)); |
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column.setSqlTypeName(rsMetadata.getColumnTypeName(colIndex)); |
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column.setSearchable(rsMetadata.isSearchable(colIndex)); |
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column.setSigned(rsMetadata.isSigned(colIndex)); |
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column.setCurrency(rsMetadata.isCurrency(colIndex)); |
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column.setPrecision(rsMetadata.getPrecision(colIndex)); |
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column.setSize(rsMetadata.getColumnDisplaySize(colIndex)); |
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| 112 | 234 |
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switch (rsMetadata.getColumnType(colIndex)) {
|
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case java.sql.Types.INTEGER: |
| 115 | 238 |
column.setType(IFeatureAttributeDescriptor.TYPE_INT); |
| ... | ... | |
| 119 | 242 |
break; |
| 120 | 243 |
case java.sql.Types.REAL: |
| 121 | 244 |
column.setType(IFeatureAttributeDescriptor.TYPE_DOUBLE); |
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column.setPrecision(rsMetadata.getPrecision(colIndex)); |
|
| 123 | 245 |
break; |
| 124 | 246 |
case java.sql.Types.DOUBLE: |
| 125 | 247 |
column.setType(IFeatureAttributeDescriptor.TYPE_DOUBLE); |
| 126 |
column.setPrecision(rsMetadata.getPrecision(colIndex)); |
|
| 127 | 248 |
break; |
| 128 | 249 |
case java.sql.Types.CHAR: |
| 129 | 250 |
column.setType(IFeatureAttributeDescriptor.TYPE_STRING); |
| 130 |
column.setSize(rsMetadata.getColumnDisplaySize(colIndex)); |
|
| 131 | 251 |
break; |
| 132 | 252 |
case java.sql.Types.VARCHAR: |
| 133 | 253 |
column.setType(IFeatureAttributeDescriptor.TYPE_STRING); |
| 134 |
column.setSize(rsMetadata.getColumnDisplaySize(colIndex)); |
|
| 135 | 254 |
break; |
| 136 | 255 |
case java.sql.Types.FLOAT: |
| 137 | 256 |
column.setType(IFeatureAttributeDescriptor.TYPE_FLOAT); |
| 138 |
column.setSize(rsMetadata.getColumnDisplaySize(colIndex)); |
|
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column.setPrecision(rsMetadata.getPrecision(colIndex)); |
|
| 140 | 257 |
break; |
| 141 | 258 |
case java.sql.Types.DECIMAL: |
| 142 | 259 |
column.setType(IFeatureAttributeDescriptor.TYPE_FLOAT); |
| 143 |
column.setSize(rsMetadata.getColumnDisplaySize(colIndex)); |
|
| 144 |
column.setPrecision(rsMetadata.getPrecision(colIndex)); |
|
| 145 | 260 |
break; |
| 146 | 261 |
case java.sql.Types.DATE: |
| 147 | 262 |
column.setType(IFeatureAttributeDescriptor.TYPE_DATE); |
| ... | ... | |
| 149 | 264 |
case java.sql.Types.BOOLEAN: |
| 150 | 265 |
column.setType(IFeatureAttributeDescriptor.TYPE_BOOLEAN); |
| 151 | 266 |
break; |
| 267 |
case java.sql.Types.OTHER: |
|
| 268 |
if (column.getSqlTypeName().equalsIgnoreCase("geometry")){
|
|
| 269 |
column.setType(IFeatureAttributeDescriptor.TYPE_GEOMETRY); |
|
| 270 |
break; |
|
| 271 |
} |
|
| 272 |
//No hacemos break para que se quede en default |
|
| 273 |
|
|
| 152 | 274 |
default: |
| 153 | 275 |
column.setType(IFeatureAttributeDescriptor.TYPE_OBJECT); |
| 154 | 276 |
break; |
| ... | ... | |
| 162 | 284 |
} |
| 163 | 285 |
|
| 164 | 286 |
|
| 165 |
static String getFliterForID(DBFeatureType featureType, Object[] featureKey) {
|
|
| 166 |
// TODO Auto-generated method stub |
|
| 167 |
return null; |
|
| 287 |
static String getFilterForID(DBFeatureType fType, IFeature feature){
|
|
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return getFilterForID(fType, getPkFromFeature(feature,fType)); |
|
| 168 | 289 |
} |
| 169 | 290 |
|
| 291 |
static String getFilterForID(DBFeatureType fType, Object[] featureKey){
|
|
| 292 |
//TODO: Ojo para los multiples |
|
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if (fType.getFieldsId().length != 1) |
|
| 294 |
throw new UnsupportedOperationException("ID fields > 1");
|
|
| 295 |
String id =fType.getFieldsId()[0]; |
|
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return id + " = " + objectToSqlString(featureKey[0]); |
|
| 297 |
} |
|
| 298 |
|
|
| 299 |
static String objectToSqlString(Object obj){
|
|
| 300 |
if (obj instanceof String){
|
|
| 301 |
return "'"+ scapeString((String)obj) +"'"; |
|
| 302 |
} else if (obj == null){
|
|
| 303 |
return "null"; |
|
| 304 |
}else{
|
|
| 305 |
// OJO con otros tipos!! |
|
| 306 |
return obj.toString(); |
|
| 307 |
} |
|
| 308 |
|
|
| 309 |
} |
|
| 310 |
|
|
| 311 |
static String scapeString(String str){
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|
| 312 |
return str.replace("'", "''");
|
|
| 313 |
} |
|
| 314 |
|
|
| 315 |
|
|
| 316 |
|
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| 170 | 317 |
static Connection getConnection(String dbUrl, String dbUser, String dbPass) throws InitializeException {
|
| 171 | 318 |
//TODO: Aqu? habria que implementar la llamada |
| 172 | 319 |
// al Resource Manager para comprobar si ya hay |
| ... | ... | |
| 202 | 349 |
} |
| 203 | 350 |
|
| 204 | 351 |
|
| 205 |
protected static String getFliterForID(DBFeatureType fType, IFeature feature){
|
|
| 206 |
return getFliterForID(fType, getPkFromFeature(feature,fType)); |
|
| 207 |
} |
|
| 208 | 352 |
|
| 209 |
|
|
| 210 | 353 |
protected static Object[] getPkFromResulset(ResultSet rs, DBFeatureType featureType) throws java.sql.SQLException{
|
| 211 | 354 |
String[] fieldsId = featureType.getFieldsId(); |
| 212 | 355 |
Object[] result = new Object[fieldsId.length]; |
| ... | ... | |
| 245 | 388 |
while (iter.hasNext()) {
|
| 246 | 389 |
IFeatureAttributeDescriptor fad=(IFeatureAttributeDescriptor)iter.next(); |
| 247 | 390 |
if (fad.getDataType().equals(IFeatureAttributeDescriptor.TYPE_GEOMETRY)) {
|
| 248 |
byte[] data = rs.getBytes(fad.getName()); |
|
| 249 | 391 |
|
| 392 |
PGgeometry data =(PGgeometry)rs.getObject(fad.getName()); |
|
| 250 | 393 |
if (data == null) {
|
| 251 | 394 |
geom = null; |
| 252 | 395 |
} else{
|
| 253 |
geom = wkbParser.parse(data);
|
|
| 396 |
geom = PostGIS2Geometry.getGeneralPath(data);
|
|
| 254 | 397 |
} |
| 255 | 398 |
feature.setGeometry(fad.getName(),geom); |
| 256 | 399 |
} else {
|
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