root / trunk / libraries / libFMap / src / com / iver / cit / gvsig / fmap / layers / LayerFactory.java @ 1691
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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 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 Ib??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 com.iver.cit.gvsig.fmap.layers; |
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import com.hardcode.driverManager.Driver; |
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import com.hardcode.driverManager.DriverLoadException; |
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import com.hardcode.driverManager.DriverManager; |
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import com.hardcode.gdbms.engine.data.DataSourceFactory; |
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import com.hardcode.gdbms.engine.instruction.FieldNotFoundException; |
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import com.iver.cit.gvsig.fmap.DriverException; |
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import com.iver.cit.gvsig.fmap.drivers.DriverIOException; |
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import com.iver.cit.gvsig.fmap.drivers.RasterDriver; |
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import com.iver.cit.gvsig.fmap.drivers.VectorialDatabaseDriver; |
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import com.iver.cit.gvsig.fmap.drivers.VectorialDriver; |
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import com.iver.cit.gvsig.fmap.drivers.VectorialFileDriver; |
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import com.iver.cit.gvsig.fmap.drivers.WithDefaultLegend; |
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import com.iver.cit.gvsig.fmap.drivers.wfs.WFSDriver; |
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import com.iver.cit.gvsig.fmap.rendering.LegendFactory; |
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import com.iver.cit.gvsig.fmap.rendering.VectorialLegend; |
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import org.apache.log4j.Logger; |
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import org.cresques.cts.IProjection; |
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import java.awt.geom.Rectangle2D; |
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import java.io.File; |
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import java.net.URL; |
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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 java.util.Enumeration; |
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import java.util.TreeMap; |
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/**
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* Crea un adaptador del driver que se le pasa como par?metro en los m?todos
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* createLayer. Si hay memoria suficiente se crea un FLyrMemory que pasa todas
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* las features del driver a memoria
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*/
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public class LayerFactory { |
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private static Logger logger = Logger.getLogger(LayerFactory.class.getName()); |
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private static String driversPath = "../FMap 03/drivers"; |
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private static DriverManager driverManager; |
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/**
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* Map en el que se guarda para cada fuente de datos a?adida al sistema, el
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* adaptador que la maneja. Ha de ser un TreeMap ya que esta clase define
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* la igualdad entre las claves a traves del m?todo equals de las mismas.
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* Los objetos FileSource, DBSource y WFSSource tienen definido el m?todo
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* equals de forma que devuelven true cuando dos objetos apuntan a la
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* misma fuente de datos
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*/
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private static TreeMap sourceAdapter; |
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/**
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* Crea un RandomVectorialFile con el driver que se le pasa como par?metro
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* y guard?ndose el nombre del fichero para realizar los accesos, la capa
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* tendr? asociada la proyecci?n que se pasa como parametro tambi?n
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*
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* @param layerName Nombre de la capa.
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* @param driverName Nombre del driver.
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* @param f fichero.
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* @param proj Proyecci?n.
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*
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* @return FLayer.
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* @throws DriverException
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*
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* @throws DriverException
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* @throws DriverIOException
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*/
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public static FLayer createLayer(String layerName, String driverName, |
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File f, IProjection proj) throws DriverException { |
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//Se obtiene el driver que lee
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DriverManager dm = getDM();
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try {
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Driver d = dm.getDriver(driverName);
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if (d instanceof VectorialFileDriver) { |
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return createLayer(layerName, (VectorialFileDriver) d, f, proj);
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} else if (d instanceof RasterDriver) { |
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return createLayer(layerName, (RasterDriver) d, f, proj);
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} |
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} catch (DriverLoadException e) {
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throw new DriverException(e); |
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} |
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return null; |
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} |
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/**
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* Crea un RandomVectorialFile con el driver que se le pasa como par?metro
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* y guard?ndose el nombre del fichero para realizar los accesos, la capa
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* tendr? asociada la proyecci?n que se pasa como parametro tambi?n
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*
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* @param layerName Nombre del Layer.
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* @param d VectorialAdapter.
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* @param f Fichero.
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* @param proj Proyecci?n.
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*
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* @return FLayer creado.
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*
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* @throws DriverException
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*/
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public static FLayer createLayer(String layerName, VectorialFileDriver d, |
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File f, IProjection proj) throws DriverException { |
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//TODO Comprobar si hay un adaptador ya
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VectorialFileAdapter adapter = new VectorialFileAdapter(f);
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adapter.setDriver((VectorialDriver) d); |
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FLyrVect capa = new FLyrVect();
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capa.setName(layerName); |
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//TODO Meter esto dentro de la comprobaci?n de si hay memoria
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if (false) { |
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} else {
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capa.setSource(adapter); |
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capa.setProjection(proj); |
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} |
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try {
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// Le asignamos tambi?n una legenda por defecto acorde con
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// el tipo de shape que tenga. Tampoco s? si es aqu? el
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// sitio adecuado, pero en fin....
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if (d instanceof WithDefaultLegend) { |
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WithDefaultLegend aux = (WithDefaultLegend) d; |
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adapter.start(); |
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capa.setLegend((VectorialLegend) aux.getDefaultLegend()); |
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adapter.stop(); |
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} else {
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capa.setLegend(LegendFactory.createSingleSymbolLegend( |
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capa.getShapeType())); |
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} |
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} catch (FieldNotFoundException e) {
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//Esta no puede saltar
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} catch (DriverIOException e) {
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throw new DriverException(e); |
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} |
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return capa;
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} |
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/**
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* Crea una capa WMS con el driver que se le pasa como par?metro y
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* guard?ndose el nombre del fichero para realizar los accesos, la capa
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* tendr? asociada la proyecci?n que se pasa como parametro tambi?n
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*
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* @param layerName Nombre de la capa.
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* @param rect extent
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* @param host URL.
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* @param format Formato
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* @param query Consulta.
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* @param infoQuery inforamci?n de la consulta.
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* @param srs SRS.
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*
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* @return Capa creada.
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*/
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public static FLayer createLayer(String layerName, Rectangle2D rect, |
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URL host, String format, String query, String infoQuery, String srs) { |
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FLyrWMS layer = new FLyrWMS();
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layer.setHost(host); |
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layer.setFullExtent(rect); |
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layer.setFormat(format); |
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layer.setLayerQuery(query); |
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layer.setInfoLayerQuery(infoQuery); |
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layer.setSRS(srs); |
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layer.setName(layerName); |
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return layer;
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} |
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/**
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* Crea una capa Raster a partir del nombre driver, fichero y proyecci?n.
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*
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* @param layerName Nombre de la capa.
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* @param d RasterDriver.
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* @param f Fichero.
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* @param proj Proyecci?n.
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*
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* @return Nueva capa de tipo raster.
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*
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* @throws DriverIOException
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*/
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public static FLyrRaster createLayer(String layerName, RasterDriver d, |
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File f, IProjection proj) throws DriverException { |
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RasterAdapter adapter = new RasterFileAdapter(f);
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adapter.setDriver(d); |
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FLyrRaster capa = new FLyrRaster();
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capa.setName(layerName); |
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//TODO Meter esto dentro de la comprobaci?n de si hay memoria
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if (false) { |
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} else {
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capa.setSource(adapter); |
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capa.setProjection(proj); |
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try {
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capa.load(); |
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} catch (DriverIOException e) {
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throw new DriverException(e); |
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} |
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} |
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return capa;
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} |
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/**
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* Crea un RandomVectorialWFS con el driver que se le pasa como par?metro y
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* guard?ndose la URL del servidor que se pasa como par?metro
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*
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* @param driver Driver WFS.
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* @param host URL.
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* @param proj Proyecci?n.
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*
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* @return Capa creada.
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*
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* @throws UnsupportedOperationException
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*/
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public static FLayer createLayer(WFSDriver driver, URL host, |
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IProjection proj) { |
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throw new UnsupportedOperationException(); |
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} |
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/**
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* Crea un RandomVectorialWFS con el driver que se le pasa como par?metro y
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* guard?ndose la URL del servidor que se pasa como par?metro
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*
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* @param driver
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* @param host
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* @param port
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* @param user
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* @param password
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* @param dbName
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* @param tableName
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* @param proj
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*
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* @return Capa creada.
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*
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* @throws UnsupportedOperationException
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*/
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public static FLayer createLayer(VectorialDatabaseDriver driver, |
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String host, int port, String user, String password, String dbName, |
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String tableName, IProjection proj) {
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throw new UnsupportedOperationException(); |
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} |
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public static FLayer createDBLayer(VectorialDatabaseDriver driver,String layerName, IProjection proj) |
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{ |
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FLyrVect capa = new FLyrVect();
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capa.setName(layerName); |
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VectorialDBAdapter dbAdapter = new VectorialDBAdapter();
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dbAdapter.setDriver(driver); |
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capa.setSource(dbAdapter); |
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capa.setProjection(proj); |
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try {
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if (driver instanceof WithDefaultLegend) { |
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WithDefaultLegend aux = (WithDefaultLegend) driver; |
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dbAdapter.start(); |
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capa.setLegend((VectorialLegend) aux.getDefaultLegend()); |
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dbAdapter.stop(); |
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} else {
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capa.setLegend(LegendFactory.createSingleSymbolLegend( |
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capa.getShapeType())); |
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} |
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} catch (FieldNotFoundException e) {
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throw new UnsupportedOperationException(e.getMessage()); |
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} catch (DriverException e) {
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throw new UnsupportedOperationException(e.getMessage()); |
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} |
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return capa;
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} |
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/**
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* Obtiene el adaptador de un driver si ya se ha a?adido el origen de datos
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* o null si es un origen de datos nuevo
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*
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* @param source Adaptador.
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*/
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private static void getAdapter(Source source) { |
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} |
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/**
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* Registra la asociaci?n entre la fuente de datos que se pasa como
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* par?metro y el VectorialAdapter que se pasa como par?metro, para
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* satisfacer futuras llamadas a getAdapter
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*
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* @param s Adaptador
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* @param a VectorialAdapter.
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*/
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private static void saveSourceAdapter(Source s, VectorialAdapter a) { |
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} |
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/**
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* Crea una FLyrComplexRaster que ataca al driver que se pasa como
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* par?metro.
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*
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* @param driver
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* @param f
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* @param proj
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*
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* @throws IllegalArgumentException Si se pasa un driver que no implementa
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* GeorreferencedRasterDriver o NotGeorreferencedRasterDriver
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*/
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public static void createLayer(RasterDriver driver, File f, IProjection proj) |
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throws IllegalArgumentException { |
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} |
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/**
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* Devuelve el DriverManager.
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*
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* @return DriverManager.
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*/
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public static DriverManager getDM() { |
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if (driverManager == null) { |
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initializeDriverManager(); |
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} |
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return driverManager;
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} |
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/**
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* Inicializa el DriverManager.
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*/
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private static void initializeDriverManager() { |
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if (driverManager == null) { |
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driverManager = new DriverManager(); |
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driverManager.loadDrivers(new File(LayerFactory.driversPath)); |
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Throwable[] failures = driverManager.getLoadFailures(); |
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for (int i = 0; i < failures.length; i++) { |
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logger.error(failures[i]); |
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} |
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DataSourceFactory.setDriverManager(driverManager); |
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} |
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} |
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/**
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* sets drivers Directory
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*
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* @param path
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*/
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public static void setDriversPath(String path) { |
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LayerFactory.driversPath = path; |
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initializeDriverManager(); |
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} |
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} |