svn-gvsig-desktop / branches / v10 / extensions / extGPE-gvSIG / src / org / gvsig / fmap / drivers / gpe / reader / GPEVectorialDriver.java @ 18292
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package org.gvsig.fmap.drivers.gpe.reader; |
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import java.awt.geom.Rectangle2D; |
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import java.io.File; |
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import java.io.IOException; |
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import java.sql.Types; |
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import java.util.HashMap; |
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import java.util.Iterator; |
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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.fmap.drivers.gpe.handlers.DefaultFmapContentHandler; |
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import org.gvsig.fmap.drivers.gpe.handlers.FmapErrorHandler; |
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import org.gvsig.fmap.drivers.gpe.handlers.FmapHandlerFactory; |
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import org.gvsig.fmap.drivers.gpe.model.GPEElement; |
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import org.gvsig.fmap.drivers.gpe.model.GPEFeature; |
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import org.gvsig.fmap.drivers.gpe.model.GPEGeometry; |
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import org.gvsig.gpe.GPEParser; |
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import org.gvsig.gpe.GPERegister; |
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import com.hardcode.gdbms.engine.data.DataSourceFactory; |
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import com.hardcode.gdbms.engine.data.driver.ObjectDriver; |
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import com.hardcode.gdbms.engine.data.edition.DataWare; |
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import com.hardcode.gdbms.engine.values.Value; |
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import com.hardcode.gdbms.engine.values.ValueFactory; |
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import com.iver.cit.gvsig.fmap.core.FShape; |
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import com.iver.cit.gvsig.fmap.core.IGeometry; |
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import com.iver.cit.gvsig.fmap.core.ShapeFactory; |
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import com.iver.cit.gvsig.fmap.crs.CRSFactory; |
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import com.iver.cit.gvsig.fmap.drivers.BoundedShapes; |
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import com.iver.cit.gvsig.fmap.drivers.DriverAttributes; |
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import com.iver.cit.gvsig.fmap.drivers.VectorialDriver; |
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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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/* CVS MESSAGES:
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*
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* $Id$
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* $Log$
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*
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*/
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/**
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* @author Jorge Piera LLodr? (jorge.piera@iver.es)
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*/
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public abstract class GPEVectorialDriver implements IGPEDriver, VectorialDriver, ObjectDriver, |
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BoundedShapes{
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private Rectangle2D extent = null; |
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//The data
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private HashMap features = null; |
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private int numFeatures = 0; |
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private GPEParser parser = null; |
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private IProjection projection = null; |
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private File m_Fich; |
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GPEVectorialDriver() {
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super();
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features = new HashMap(); |
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GPEParser[] parsers = GPERegister.getAllParsers();
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for (int i=0 ; i<parsers.length ; i++){ |
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if (parsers[i].getClass() == getGPEParser()){
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setParser(parsers[i]); |
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} |
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} |
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} |
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/**
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* @return the parser
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*/
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public GPEParser getParser() {
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return parser;
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} |
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/**
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* @param parser the parser to set
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*/
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public void setParser(GPEParser parser) { |
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this.parser = parser;
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} |
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/**
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* @return the projection
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*/
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public IProjection getProjection() {
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return projection;
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} |
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/**
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* @param projection the projection to set
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*/
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public void setProjection(IProjection projection) { |
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this.projection = projection;
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} |
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/**
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* Add a new feature in the layer
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* @param feature
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* The feature to add
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*/
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public void addFeature(GPEFeature feature) { |
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IGeometry geometry = getGeometry(feature); |
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//if the geometry exists
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if (geometry != null){ |
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//Update the extent
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Rectangle2D boundsShp = geometry.getBounds();
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if (extent == null) { |
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extent = boundsShp; |
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} else {
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extent.add(boundsShp); |
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} |
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//Set the geometry
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feature.getGeometry().setReprojectedGeometry(geometry); |
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//Set the attributes
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features.put(new Integer(numFeatures), feature); |
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numFeatures++; |
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} |
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} |
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/**
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* Gets the geometry
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* @param feature
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* The feature to add
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*/
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private IGeometry getGeometry(GPEFeature feature){
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GPEGeometry gpeGeometry = ((GPEFeature)feature).getGeometry(); |
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if (gpeGeometry != null){ |
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IProjection geomProj = null;
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if (gpeGeometry.getSrs() != null){ |
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try{
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geomProj = CRSFactory.getCRS(gpeGeometry.getSrs()); |
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}catch(Exception e){ |
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//If the CRS factory has an error.
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} |
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} |
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if (geomProj == null){ |
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return gpeGeometry.getIGeometry();
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}else{
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if (projection == null){ |
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return gpeGeometry.getIGeometry();
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}else{
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if (geomProj.getAbrev().compareTo(projection.getAbrev()) == 0){ |
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return gpeGeometry.getIGeometry();
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}else{
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ICoordTrans coordTrans = geomProj.getCT(projection); |
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FShape shape = (FShape)gpeGeometry.getIGeometry().getInternalShape(); |
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shape.reProject(coordTrans); |
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return ShapeFactory.createGeometry(shape);
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} |
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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 com.iver.cit.gvsig.fmap.drivers.gpe.reader.IGPEDriver#setExtent(java.awt.geom.Rectangle2D)
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*/
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public void setExtent(Rectangle2D extent) { |
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this.extent = extent;
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} |
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/*
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* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.drivers.VectorialDriver#getDriverAttributes()
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*/
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public DriverAttributes getDriverAttributes() {
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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 com.iver.cit.gvsig.fmap.drivers.VectorialDriver#getFullExtent()
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*/
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public Rectangle2D getFullExtent(){ |
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return extent;
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} |
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/*
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* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.drivers.VectorialDriver#getShape(int)
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*/
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public IGeometry getShape(int index) { |
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return ((GPEFeature)features.get(new Integer(index))).getGeometry().getReprojectedGeometry(); |
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} |
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/*
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* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.drivers.VectorialDriver#getShapeCount()
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*/
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public int getShapeCount() { |
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return features.size();
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} |
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/*
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* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.drivers.VectorialDriver#getShapeType()
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*/
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public int getShapeType() { |
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return FShape.MULTI;
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} |
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/*
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* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.drivers.VectorialDriver#isWritable()
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*/
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public boolean isWritable() { |
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return true; |
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} |
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/*
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* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.drivers.VectorialDriver#reload()
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*/
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public void reload() { |
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numFeatures = 0;
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features.clear(); |
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extent = null;
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} |
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/*
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* (non-Javadoc)
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* @see com.hardcode.gdbms.engine.data.driver.ObjectDriver#getPrimaryKeys()
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*/
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public int[] getPrimaryKeys() { |
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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 com.hardcode.gdbms.engine.data.driver.ObjectDriver#write(com.hardcode.gdbms.engine.data.edition.DataWare)
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*/
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public void write(DataWare dataWare) { |
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} |
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/*
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* (non-Javadoc)
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* @see com.hardcode.gdbms.engine.data.driver.GDBMSDriver#setDataSourceFactory(com.hardcode.gdbms.engine.data.DataSourceFactory)
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*/
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public void setDataSourceFactory(DataSourceFactory dsf) { |
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// TODO Auto-generated method stub
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} |
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/*
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* (non-Javadoc)
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* @see com.hardcode.gdbms.engine.data.driver.ReadAccess#getFieldCount()
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*/
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public int getFieldCount() { |
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if (features.size() > 0){ |
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GPEFeature feature = (GPEFeature)features.get(new Integer(0)); |
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return feature.getelements().size() + 1; |
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} |
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return 1; |
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} |
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/*
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* (non-Javadoc)
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* @see com.hardcode.gdbms.engine.data.driver.ReadAccess#getFieldName(int)
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*/
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public String getFieldName(int fieldId) { |
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if (fieldId == getFieldCount()-1){ |
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return "fid"; |
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} |
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if (features.size() > 0){ |
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GPEFeature feature = (GPEFeature)features.get(new Integer(0)); |
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Iterator it = feature.getelements().keySet().iterator();
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String fieldName = null; |
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for (int i=0 ; i<=fieldId ; i++){ |
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fieldName = (String)it.next();
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} |
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return fieldName;
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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 com.hardcode.gdbms.engine.data.driver.ReadAccess#getFieldType(int)
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*/
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public int getFieldType(int i) { |
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if (i == getFieldCount()-1){ |
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return Types.VARCHAR; |
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} |
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if (getRowCount() > 1){ |
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Value value = getFieldValue(0,i);
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return value.getSQLType();
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} |
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return Types.VARCHAR; |
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} |
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/*
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* (non-Javadoc)
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* @see com.hardcode.gdbms.engine.data.driver.ReadAccess#getFieldValue(long, int)
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*/
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public Value getFieldValue(long rowIndex, int fieldId) { |
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GPEFeature feature = (GPEFeature)features.get(new Integer((int)rowIndex)); |
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if (fieldId == getFieldCount()-1){ |
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return feature.getId();
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} |
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String attName = getFieldName(fieldId);
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GPEElement element = (GPEElement)feature.getelements().get(attName); |
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if (element != null){ |
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return element.getValue();
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} |
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return ValueFactory.createNullValue();
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} |
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/*
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* (non-Javadoc)
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* @see com.hardcode.gdbms.engine.data.driver.ReadAccess#getFieldWidth(int)
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*/
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public int getFieldWidth(int i) { |
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return 50; |
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} |
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/*
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* (non-Javadoc)
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* @see com.hardcode.gdbms.engine.data.driver.ReadAccess#getRowCount()
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*/
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public long getRowCount() { |
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return features.size();
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} |
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/*
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* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.drivers.BoundedShapes#getShapeBounds(int)
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*/
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public Rectangle2D getShapeBounds(int index){ |
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return ((GPEFeature)features.get(new Integer(index))).getGeometry().getShapeBounds(); |
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} |
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/*
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* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.drivers.BoundedShapes#getShapeType(int)
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*/
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public int getShapeType(int index){ |
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return FShape.MULTI;
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} |
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/*
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* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.drivers.VectorialFileDriver#close()
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*/
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public void close() throws IOException { |
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} |
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/*
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* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.drivers.VectorialFileDriver#getFile()
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*/
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public File getFile() { |
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return m_Fich;
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} |
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/*
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* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.drivers.VectorialFileDriver#initialize()
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*/
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public void initialize() throws IOException { |
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FmapErrorHandler errorHandler = FmapHandlerFactory.createErrorHandler(); |
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DefaultFmapContentHandler contentHandler = FmapHandlerFactory.createContentHandler(errorHandler, |
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this);
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GPEParser parser = getParser(); |
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parser.parse(contentHandler, |
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errorHandler, |
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getFile().toURI()); |
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} |
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/*
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* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.drivers.VectorialFileDriver#open(java.io.File)
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*/
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public void open(File f) throws IOException { |
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m_Fich = f; |
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} |
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/*
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* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.drivers.VectorialFileDriver#accept(java.io.File)
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*/
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public boolean accept(File f) { |
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if (f.isDirectory()){
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return true; |
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} |
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return (getParser().accept(f.toURI()));
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} |
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/* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.drivers.gpe.reader.IGPEDriver#getTypeName()
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*/
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public String getTypeName() { |
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if (features.size() > 0){ |
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GPEFeature feature = (GPEFeature)features.get(new Integer(0)); |
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return feature.getName();
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} |
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return null; |
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} |
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} |