root / branches / v10 / extensions / extPublish / src / org / gvsig / publish / infoproject / datasources / PostGISTableInfo.java @ 19419
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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2004-2006 IVER T.I. and Generalitat Valenciana.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*
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* For more information, contact:
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*
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* Generalitat Valenciana
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* Conselleria d'Infraestructures i Transport
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* Av. Blasco Iba?ez, 50
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* 46010 VALENCIA
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* SPAIN
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*
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* +34 963862235
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* gvsig@gva.es
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* www.gvsig.gva.es
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*
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* or
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*
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* IVER T.I. S.A
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* Salamanca 50
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* 46005 Valencia
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* Spain
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*
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* +34 963163400
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* dac@iver.es
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*/
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package org.gvsig.publish.infoproject.datasources; |
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import java.awt.geom.Rectangle2D; |
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import java.io.IOException; |
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import java.sql.ResultSet; |
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import java.sql.SQLException; |
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import java.sql.Statement; |
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import org.cresques.cts.ICoordTrans; |
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import org.cresques.cts.IProjection; |
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import org.gvsig.publish.PublishLogger; |
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import org.gvsig.publish.infoproject.IDataSourceInfo; |
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import com.iver.cit.gvsig.fmap.crs.CRSFactory; |
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import com.iver.cit.gvsig.fmap.drivers.ConnectionJDBC; |
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import com.iver.cit.gvsig.fmap.drivers.DBLayerDefinition; |
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import com.iver.cit.gvsig.fmap.drivers.db.utils.ConnectionWithParams; |
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import com.iver.cit.gvsig.fmap.drivers.db.utils.SingleVectorialDBConnectionManager; |
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import com.iver.cit.gvsig.fmap.drivers.jdbc.postgis.PostGisDriver; |
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import com.iver.cit.gvsig.fmap.layers.VectorialAdapter; |
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public class PostGISTableInfo implements IDataBaseInfo, IDataSourceInfo { |
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private VectorialAdapter adapter = null; |
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private PostGisDriver driver = null; |
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private ConnectionJDBC connection = null; |
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private DBLayerDefinition layerDef = null; |
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private ConnectionWithParams cwp = null; |
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/**
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* Constructor
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* @param vectorialAdapter The adapter from gvSIG
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*/
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public PostGISTableInfo(VectorialAdapter vectorialAdapter) {
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this.adapter = vectorialAdapter;
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initialize(); |
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} |
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/**
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* Initiliazes the object.
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* Gets the driver, the connection, the layer definition, the conection with params ...
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* TODO: I'm running this code a lot of times ..
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*/
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private void initialize() { |
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this.driver = (PostGisDriver) adapter.getDriver();
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this.connection = (ConnectionJDBC) driver.getConnection();
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this.layerDef =driver.getLyrDef();
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cwp = SingleVectorialDBConnectionManager.instance().findConnection(this.connection);
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//TODO: improve performance, I'm getting all the connections for each layer!
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// ConnectionWithParams[] conections = SingleVectorialDBConnectionManager.instance().getAllConnections();
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// for (int i = 0; i < conections.length; i++){
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// IConnection con = conections[i].getConnection();
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// if ( con instanceof ConnectionJDBC){
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// ConnectionJDBC conjdbc = (ConnectionJDBC)con;
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// if (conjdbc.equals(this.connection)){
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// cwp = conections[i];
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// }
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// }
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// }
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} |
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/**
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*
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* @return connection host
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* TODO: I think is not good idea to parse the URL with splits ...
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* Exceptions
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*/
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public String getHost() { |
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if (cwp != null){ |
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return cwp.getHost();
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}else{
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return null; |
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} |
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// try {
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// String aux = connection.getURL().split("//")[1];
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// return aux.split(":")[0];
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// } catch (DBException e) {
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// // TODO Auto-generated catch block
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// e.printStackTrace();
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// }
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// return null;
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} |
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/**
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* @return connection port
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*/
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public String getPort() { |
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if (cwp != null){ |
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return cwp.getPort();
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}else{
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return null; |
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} |
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//return driver.getDefaultPort();
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} |
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/**
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* Gets the user of the connection
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* @return connection user
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* TODO: Exceptions ...
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*/
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public String getUser() { |
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if (cwp != null){ |
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return cwp.getUser();
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}else{
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return null; |
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} |
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// try {
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// return connection.getConnection().getMetaData().getUserName();
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// } catch (SQLException e) {
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// // TODO Auto-generated catch block
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// e.printStackTrace();
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// }
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// return null;
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} |
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/**
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*
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* @return the password or null if I can't get it
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*/
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public String getPassword(){ |
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if (cwp != null){ |
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return cwp.getPw();
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}else{
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return null; |
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} |
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// ConnectionWithParams[] conections = SingleVectorialDBConnectionManager.instance().getAllConnections();
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// for (int i = 0; i < conections.length; i++){
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// IConnection con = conections[i].getConnection();
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// if ( con instanceof ConnectionJDBC){
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// ConnectionJDBC conjdbc = (ConnectionJDBC)con;
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// if (conjdbc.equals(this.connection)){
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// return conections[i].getPw();www.google.es/
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// }
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// }
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// }
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// return null;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.publish.infoProject.IDataSourceInfo#getBBox()
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*/
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public Rectangle2D getNativeBBox() { |
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//this.adapter.getFullExtent();
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Rectangle2D aux = null; |
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try {
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aux = this.driver.getFullExtent();
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} catch (IOException e) { |
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PublishLogger.getLog().error("ERROR PostGISTable",e);
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} |
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return aux;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.publish.infoProject.IDataSourceInfo#getCRS()
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* TODO: MAybe already exists this implementation, but I couldn't find it
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*/
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public String getEPSG() { |
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try {
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String sql = "SELECT srid FROM geometry_columns WHERE f_table_name = '" + getTableName() + "' AND f_geometry_column = '" + getGeometryColumn() + "'"; |
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Statement st = connection.getConnection().createStatement();
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ResultSet rs = st.executeQuery(sql);
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if (rs.first()){
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int aux = rs.getInt("srid"); |
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return "EPSG:" + aux; |
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} |
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} catch (SQLException e) { |
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PublishLogger.getLog().error("ERROR PostGISTableInfo : SQL exception getting the EPSG",e);
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} |
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return null; |
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//TODO: I can't get the datasource CRS !!
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//return this.driver.getDestProjection();
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//return "EPSG:23030";
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.publish.infoProject.IDataSourceInfo#getDataType()
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* TODO: MAybe already exists this implementation, but I couldn't find it
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*/
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public String getDataType() { |
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String geomtype = null; |
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try {
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String sql = "SELECT type FROM geometry_columns WHERE f_table_name = '" + getTableName() + "' AND f_geometry_column = '" + getGeometryColumn() + "'"; |
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Statement st = connection.getConnection().createStatement();
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ResultSet rs = st.executeQuery(sql);
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if (rs.first()){
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geomtype = rs.getString("type");
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} |
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} catch (SQLException e) { |
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PublishLogger.getLog().error("ERROR PostGISTableInfo : SQL exception getting the geometry type",e);
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} |
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if (geomtype.equals("POINT") || geomtype.equals("MULTIPOINT")){ |
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return IDataSourceInfo.POINT_DATA;
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} |
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if (geomtype.equals("LINESTRING") || geomtype.equals("MULTILINESTRING")){ |
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return IDataSourceInfo.LINE_DATA;
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} |
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if (geomtype.equals("POLYGON") || geomtype.equals("MULTIPOLYGON")){ |
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return IDataSourceInfo.POLYGON_DATA;
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} |
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return null; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.publish.infoProject.IDataSourceInfo#getType()
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*/
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public String getType() { |
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return IDataSourceInfo.POSTGIS_TYPE;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.publish.infoProject.datasources.IDataBaseInfo#getTableName()
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*/
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public String getTableName() { |
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return this.driver.getTableName(); |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.publish.infoProject.datasources.IDataBaseInfo#getGeometryColumn()
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*/
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public String getGeometryColumn() { |
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return layerDef.getFieldGeometry();
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.publish.infoProject.datasources.IDataBaseInfo#getDatabaseName()
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*/
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public String getDatabaseName() { |
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if (cwp != null){ |
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return cwp.getDb();
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}else{
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return null; |
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} |
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//return layerDef.getCatalogName();
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.publish.infoProject.datasources.IDataBaseInfo#getGID()
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*/
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public String getGID() { |
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return layerDef.getFieldID();
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} |
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/**
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*
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* @see org.gvsig.publish.infoproject.IDataSourceInfo#getLatLonBBox()
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*/
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public Rectangle2D getLatLonBBox() { |
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IProjection proj_source = CRSFactory.getCRS(getEPSG()); |
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IProjection proj_dest = CRSFactory.getCRS("EPSG:4326");
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ICoordTrans trans = proj_source.getCT(proj_dest); |
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return trans.convert(getNativeBBox());
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} |
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/**
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* the datastore name is the connection name
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* @return connection name
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* @see org.gvsig.publish.infoproject.IDataSourceInfo#getConnectionName()
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*/
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public String getConnectionName() { |
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return cwp.getName();
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} |
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/**
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* @return schema name
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* @see org.gvsig.publish.infoproject.datasources.IDataBaseInfo#getSchemaName()
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*/
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public String getSchemaName() { |
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String aux = cwp.getSchema();
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if (aux == null){ |
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aux = "public";
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} |
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return aux;
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} |
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} |