root / branches / Mobile_Compatible_Hito_1 / libFMap / src / es / prodevelop / gvsig / mobile / fmap / layer / SelectableDataSource.java @ 21606
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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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/************************************************
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* *
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* Modfied By: *
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* Prodevelop Integraci?n de Tecnolog?as SL *
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* Conde Salvatierra de ?lava , 34-10 *
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* 46004 Valencia *
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* Spain *
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* *
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* +34 963 510 612 *
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* +34 963 510 968 *
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* gis@prodevelop.es *
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* http://www.prodevelop.es *
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* *
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* gvSIG Mobile Team 2006 *
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* *
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************************************************/
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package es.prodevelop.gvsig.mobile.fmap.layer; |
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import java.io.File; |
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import java.io.IOException; |
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import org.apache.log4j.Logger; |
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import com.hardcode.driverManager.Driver; |
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import com.hardcode.gdbms.engine.data.DataSource; |
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import com.hardcode.gdbms.engine.data.DataSourceFactory; |
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import com.hardcode.gdbms.engine.data.IDataSourceListener; |
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import com.hardcode.gdbms.engine.data.SourceInfo; |
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import com.hardcode.gdbms.engine.data.driver.DriverException; |
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import com.hardcode.gdbms.engine.data.edition.DataWare; |
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import com.hardcode.gdbms.engine.data.persistence.Memento; |
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import com.hardcode.gdbms.engine.data.persistence.MementoException; |
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import com.hardcode.gdbms.engine.instruction.FieldNotFoundException; |
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import com.hardcode.gdbms.engine.values.Value; |
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import com.hardcode.gdbms.engine.values.ValueCollection; |
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import es.prodevelop.gvsig.mobile.fmap.driver.FMapDriverException; |
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import es.prodevelop.gvsig.mobile.fmap.driver.FieldDescription; |
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import es.prodevelop.gvsig.mobile.fmap.driver.vect.dbf.DbfDiskDataSource; |
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import es.prodevelop.gvsig.mobile.fmap.driver.vect.dbf.DbfMemoryDataSource; |
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import es.prodevelop.gvsig.mobile.fmap.util.NumberUtilities; |
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import es.prodevelop.gvsig.mobile.fmap.util.graph2d.FBitSet; |
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//import es.prodevelop.gvsig.mobile.fmap.util.xml.XMLEntity;
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//import es.prodevelop.gvsig.mobile.fmap.util.xml.XMLException;
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/**
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* DataSource seleccionable.
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*
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* @author Fernando Gonz?lez Cort?s
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* @author jldominguez
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*/
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public class SelectableDataSource implements DataSource, Selectable { |
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private static Logger logger = Logger.getLogger(SelectableDataSource.class.getName()); |
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private SelectionSupport selectionSupport = new SelectionSupport(); |
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private DataSource dataSource; |
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private int[] mapping = null; |
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/**
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* Crea un nuevo SelectableDataSource.
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*
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* @param ds
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* @throws FMapDriverException
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*/
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public SelectableDataSource(DataSource ds) throws DriverException { |
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dataSource = ds; |
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dataSource.start(); |
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// Creamos el mapping de campos externos que no muestran el PK.
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mapExternalFields(); |
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} |
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/**
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* Maps real fields or "external" fields. We don't want to see virtual fields.
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* @throws FMapDriverException
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*/
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public void mapExternalFields() throws DriverException { |
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int numExternalFields = 0; |
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for (int i=0; i < dataSource.getFieldCount(); i++) |
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{
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if (!dataSource.isVirtualField(i))
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numExternalFields++; |
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} |
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mapping = new int[numExternalFields]; |
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int j=0; |
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for (int i=0; i < dataSource.getFieldCount(); i++) |
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{
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if (!dataSource.isVirtualField(i))
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mapping[j++] = i; |
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} |
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} |
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public static SelectableDataSource createDbfSelectableDataSource(File dbFile, boolean inmemory) |
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throws DriverException {
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SelectionSupport ss = new SelectionSupport();
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SelectableDataSource sds = null;
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DataSource dbfds = null; |
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try {
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if (inmemory) {
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dbfds = new DbfMemoryDataSource(dbFile);
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} else {
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dbfds = new DbfDiskDataSource(dbFile);
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} |
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} catch (Throwable th) { |
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logger.error("Primer intento: error al instanciar DbfDataSource (INMEMORY = " + inmemory + ") con dbFile = " + dbFile.getAbsolutePath()); |
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logger.error("Message: " + th.getMessage());
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try {
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dbfds = new DbfDiskDataSource(dbFile);
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} catch (Throwable th2) { |
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logger.error("Ultimo intento: error al instanciar DbfDataSource (INMEMORY = " + inmemory + ") con dbFile = " + dbFile.getAbsolutePath()); |
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logger.error("Message: " + th2.getMessage());
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throw new DriverException(th2.getMessage()); |
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} |
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} |
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sds = new SelectableDataSource(dbfds);
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sds.selectionSupport = ss; |
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return sds;
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} |
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public void setDataSourceFactory(DataSourceFactory dsf) { |
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dataSource.setDataSourceFactory(dsf); |
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} |
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public void setSourceInfo(SourceInfo sourceInfo) { |
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dataSource.setSourceInfo(sourceInfo); |
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} |
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/**
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* A?ade el soporte para la selecci?n.
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*
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* @param selectionSupport
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*/
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public void setSelectionSupport(SelectionSupport selectionSupport) { |
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this.selectionSupport = selectionSupport;
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} |
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/**
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* Devuelve el n?mero de campos.
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*
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* @return N?mero de campos.
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*
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* @throws FMapDriverException
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*/
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public int getFieldCount() throws DriverException { |
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// return dataSource.getFieldCount()-numVirtual;
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// if (mapping.length != dataSource.getFieldCount())
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// {
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// mapExternalFields();
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// RuntimeException e = new RuntimeException("Recalculamos los campos de recordset!!");
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// e.printStackTrace();
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// }
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return mapping.length;
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} |
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/**
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* Return index field searching by its name
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*
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* @param arg0 field name.
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*
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* @return field index. -1 if not found
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*
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* @throws FMapDriverException
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* @throws FieldNotFoundException
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*/
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public int getFieldIndexByName(String arg0) |
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throws DriverException {
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int internal = dataSource.getFieldIndexByName(arg0);
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for (int i=0; i < mapping.length; i++) |
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{
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if (mapping[i] == internal)
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return i;
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} |
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return -1; |
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} |
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/**
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* Devuelve el nombre del campo a partir del ?ndice.
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*
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* @param arg0 ?ndice.
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*
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* @return nombre del campo.
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*
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* @throws FMapDriverException
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*/
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public String getFieldName(int arg0) throws DriverException { |
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// return dataSource.getFieldName(arg0);
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return dataSource.getFieldName(mapping[arg0]);
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} |
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/**
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* Devuelve el valor a partir del n?mro de fila y columna.
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*
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* @param arg0 n?mero de registro.
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* @param arg1 n?mero de campo.
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*
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* @return Valor.
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*
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* @throws FMapDriverException
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*/
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public Value getFieldValue(long arg0, int arg1) throws DriverException { |
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return dataSource.getFieldValue(arg0, mapping[arg1]);
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// return dataSource.getFieldValue(arg0, arg1);
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} |
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/**
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* Devuelve el nombre del DataSource.
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*
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* @return Nombre.
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*/
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public String getName() { |
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return dataSource.getName();
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} |
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/**
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* Devuelve el n?mero de filas en total.
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*
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* @return n?mero de filas.
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*
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* @throws FMapDriverException
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*/
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public long getRowCount() throws DriverException { |
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return dataSource.getRowCount();
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} |
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/**
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* Inicializa el dataSource.
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*
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* @throws FMapDriverException
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*/
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public void start() throws DriverException { |
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dataSource.start(); |
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} |
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/**
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* Finaliza el DataSource.
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*
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* @throws FMapDriverException
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*/
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public void stop() throws DriverException { |
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dataSource.stop(); |
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} |
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/**
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* A partir del XMLEntity se rellenan los atributos del DataSource.
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*
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* @param child
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*//* |
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public void setXMLEntity03(XMLEntity child) {
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selectionSupport.setXMLEntity(child.getChild(0));
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}*/
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/**
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* Cuando ocurre un evento de cambio en la selecci?n, ?ste puede ser uno de
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* una gran cantidad de eventos. Con el fin de no propagar todos estos
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* eventos, se realiza la propagaci?n de manera manual al final de la
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* "r?faga" de eventos
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*/
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public void fireSelectionEvents() { |
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selectionSupport.fireSelectionEvents(); |
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} |
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/**
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* A?ade un nuevo Listener al SelectionSupport.
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*
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* @param listener SelectionListener.
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*/
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public void addSelectionListener(SelectionListener listener) { |
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selectionSupport.addSelectionListener(listener); |
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} |
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/**
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* Borra un Listener al SelectionSupport.
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*
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* @param listener Listener a borrar.
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*/
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public void removeSelectionListener(SelectionListener listener) { |
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selectionSupport.removeSelectionListener(listener); |
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} |
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/**
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* Borra la selecci?n.
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*/
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public boolean clearSelection(boolean fire_events) { |
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return selectionSupport.clearSelection(fire_events);
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} |
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/**
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* Develve un FBitSet con los ?ndices de los elementos seleccionados.
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*
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* @return FBitset con los elementos seleccionados.
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*/
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public FBitSet getSelection() {
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return selectionSupport.getSelection();
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} |
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/**
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* Devuelve el SelectionSupport.
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*
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* @return SelectinSuport.
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*/
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public SelectionSupport getSelectionSupport() {
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return selectionSupport;
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} |
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/**
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* Devuelve true si el elemento est? seleccionado.
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*
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* @param recordIndex ?ndice del registro.
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*
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* @return True si el registro est? seleccionado.
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*/
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public boolean isSelected(int recordIndex) { |
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return selectionSupport.isSelected(recordIndex);
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} |
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/**
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* Inserta una nueva selecci?n.
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*
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* @param selection FBitSet.
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*/
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public void setSelection(FBitSet selection) { |
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selectionSupport.setSelection(selection); |
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} |
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/**
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* Devuelve el XMLEntity con la informaci?n necesaria para reproducir el
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* DataSource.
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*
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* @return XMLEntity.
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* @throws XMLException
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*//* |
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public XMLEntity getXMLEntity() throws XMLException {
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XMLEntity xml = new XMLEntity();
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xml.putProperty("className",this.getClass().getName());
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xml.addChild(selectionSupport.getXMLEntity());
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return xml;
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}
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*/
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/**
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* @see com.hardcode.gdbms.engine.data.DataSource#getWhereFilter()
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*/
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public long[] getWhereFilter() throws IOException { |
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return dataSource.getWhereFilter();
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} |
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/**
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* @see com.hardcode.gdbms.engine.data.ReadDriver#getFieldType(int)
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*/
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public int getFieldType(int i) throws DriverException { |
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// return dataSource.getFieldType(i);
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return dataSource.getFieldType(mapping[i]);
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} |
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/**
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* @see com.hardcode.gdbms.engine.data.DataSource#getDataSourceFactory()
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*/
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public DataSourceFactory getDataSourceFactory() {
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return dataSource.getDataSourceFactory();
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} |
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/**
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* @see com.hardcode.gdbms.engine.data.DataSource#getAsString()
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*/
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public String getAsString() throws DriverException { |
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return dataSource.getAsString();
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} |
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/**
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* @throws FMapDriverException
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* @see com.hardcode.gdbms.engine.data.DataSource#remove()
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*/
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public void remove() throws DriverException { |
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dataSource.remove(); |
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} |
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/**
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* @see com.hardcode.gdbms.engine.data.DataSource#getMemento()
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*/
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public Memento getMemento() throws MementoException { |
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return dataSource.getMemento();
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} |
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/**
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* @see com.hardcode.gdbms.engine.data.DataSource#getSourceInfo()
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*/
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public SourceInfo getSourceInfo() {
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return dataSource.getSourceInfo();
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} |
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/**
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* @see com.hardcode.gdbms.engine.data.DataSource#getPrimaryKeys()
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*/
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public int[] getPrimaryKeys() throws DriverException { |
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return dataSource.getPrimaryKeys();
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} |
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/**
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* @see com.hardcode.gdbms.engine.data.DataSource#getPKValue(long)
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*/
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public ValueCollection getPKValue(long rowIndex) throws DriverException { |
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return dataSource.getPKValue(rowIndex);
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} |
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/**
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* @see com.hardcode.gdbms.engine.data.DataSource#getPKName(int)
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*/
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public String getPKName(int fieldId) throws DriverException { |
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return dataSource.getPKName(fieldId);
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} |
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/**
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* @see com.hardcode.gdbms.engine.data.DataSource#getPKType(int)
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*/
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public int getPKType(int i) throws DriverException { |
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return dataSource.getPKType(i);
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} |
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/**
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* @throws FMapDriverException
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* @see com.hardcode.gdbms.engine.data.DataSource#getPKCardinality()
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*/
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public int getPKCardinality() throws DriverException { |
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return dataSource.getPKCardinality();
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} |
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/**
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* @see com.hardcode.gdbms.engine.data.DataSource#getRow(long)
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*/
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public Value[] getRow(long rowIndex) throws DriverException { |
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Value[] withoutVirtuals = new Value[mapping.length]; |
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Value[] internal = dataSource.getRow(rowIndex);
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for (int i=0; i < mapping.length; i++) |
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{
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withoutVirtuals[i] = internal[mapping[i]]; |
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} |
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return withoutVirtuals;
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} |
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/**
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* @see com.hardcode.gdbms.engine.data.DataSource#getFieldNames()
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*/
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public String[] getFieldNames() throws DriverException { |
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String[] fieldNames = new String[getFieldCount()]; |
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int j=0; |
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for (int i=0; i < dataSource.getFieldCount(); i++) |
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{
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if (!dataSource.isVirtualField(i))
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fieldNames[j++] = dataSource.getFieldName(i); |
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} |
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// return dataSource.getFieldNames();
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return fieldNames;
|
| 506 |
} |
| 507 |
|
| 508 |
/**
|
| 509 |
* @see com.hardcode.gdbms.engine.data.DataSource#getPKNames()
|
| 510 |
*/
|
| 511 |
public String[] getPKNames() throws DriverException { |
| 512 |
return dataSource.getPKNames();
|
| 513 |
} |
| 514 |
|
| 515 |
|
| 516 |
/**
|
| 517 |
* @throws FMapDriverException
|
| 518 |
* @see com.hardcode.gdbms.engine.data.DataSource#getDataWare(int)
|
| 519 |
*/
|
| 520 |
public DataWare getDataWare(int arg0) throws DriverException { |
| 521 |
return dataSource.getDataWare(arg0);
|
| 522 |
} |
| 523 |
|
| 524 |
public int getFieldWidth(int i) throws DriverException { |
| 525 |
return dataSource.getFieldWidth(mapping[i]);
|
| 526 |
// return dataSource.getFieldWidth(i);
|
| 527 |
} |
| 528 |
|
| 529 |
public boolean isVirtualField(int fieldId) throws DriverException { |
| 530 |
return dataSource.isVirtualField(fieldId);
|
| 531 |
} |
| 532 |
|
| 533 |
/**
|
| 534 |
* Useful to writers, to know the field definitions.
|
| 535 |
* NOTE: Maximun precision: 6 decimals. (We may need to change this)
|
| 536 |
* @return Description of non virtual fields
|
| 537 |
* @throws FMapDriverException
|
| 538 |
*/
|
| 539 |
public FieldDescription[] getFieldsDescription() throws DriverException |
| 540 |
{
|
| 541 |
int numFields = getFieldCount();
|
| 542 |
FieldDescription[] fieldsDescrip = new FieldDescription[numFields]; |
| 543 |
for (int i = 0; i < numFields; i++) { |
| 544 |
fieldsDescrip[i] = new FieldDescription();
|
| 545 |
int type = getFieldType(i);
|
| 546 |
fieldsDescrip[i].setFieldType(type); |
| 547 |
fieldsDescrip[i].setFieldName(getFieldName(i)); |
| 548 |
fieldsDescrip[i].setFieldLength(getFieldWidth(i)); |
| 549 |
if (NumberUtilities.isNumeric(type))
|
| 550 |
{
|
| 551 |
if (!NumberUtilities.isNumericInteger(type))
|
| 552 |
// TODO: If there is a lost in precision, this should be changed.
|
| 553 |
fieldsDescrip[i].setFieldDecimalCount(6);
|
| 554 |
} |
| 555 |
else
|
| 556 |
fieldsDescrip[i].setFieldDecimalCount(0);
|
| 557 |
// TODO: ?DEFAULTVALUE?
|
| 558 |
// fieldsDescrip[i].setDefaultValue(get)
|
| 559 |
} |
| 560 |
return fieldsDescrip;
|
| 561 |
} |
| 562 |
|
| 563 |
public Driver getDriver() { |
| 564 |
return this.dataSource.getDriver(); |
| 565 |
} |
| 566 |
|
| 567 |
public void reload() throws DriverException, IOException { |
| 568 |
dataSource.reload(); |
| 569 |
mapExternalFields(); |
| 570 |
|
| 571 |
} |
| 572 |
|
| 573 |
public void addDataSourceListener(IDataSourceListener listener) { |
| 574 |
dataSource.addDataSourceListener(listener); |
| 575 |
|
| 576 |
} |
| 577 |
|
| 578 |
public void removeDataSourceListener(IDataSourceListener listener) { |
| 579 |
dataSource.removeDataSourceListener(listener); |
| 580 |
|
| 581 |
} |
| 582 |
} |