svn-gvsig-desktop / trunk / extensions / extAddEventTheme / src / com / iver / cit / gvsig / fmap / drivers / addevent / AddEventThemeDriver.java @ 5258
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/*
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* Created on 10-nov-2005
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*
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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.drivers.addevent; |
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import java.awt.geom.Rectangle2D; |
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import java.io.IOException; |
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import com.hardcode.driverManager.DriverLoadException; |
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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.NoSuchTableException; |
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import com.hardcode.gdbms.engine.data.driver.DriverException; |
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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.StringValue; |
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import com.hardcode.gdbms.engine.values.Value; |
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import com.iver.cit.gvsig.fmap.core.FGeometry; |
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import com.iver.cit.gvsig.fmap.core.FPoint2D; |
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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.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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import com.iver.cit.gvsig.fmap.layers.LayerFactory; |
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import com.iver.utiles.IPersistance; |
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import com.iver.utiles.XMLEntity; |
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/**
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* The class AddEventThemeDriver allows to create a new FLayer from a
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* gvSIG DataSource.
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*
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* @author jmorell
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*/
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public class AddEventThemeDriver implements VectorialDriver, ObjectDriver, BoundedShapes, IPersistance { |
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private Rectangle2D fullExtent = null; |
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private DataSource ds; |
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private int xFieldIndex; |
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private int yFieldIndex; |
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/**
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* Initializes this.
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* @param ds
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* @param xFieldIndex
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* @param yFieldIndex
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*/
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public void setData(DataSource ds, int xFieldIndex, int yFieldIndex) { |
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this.ds = ds;
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this.xFieldIndex = xFieldIndex;
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this.yFieldIndex = yFieldIndex;
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} |
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public int[] getFieldsIndex(){ |
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int[] n=new int[2]; |
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n[0]=xFieldIndex;
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n[1]=yFieldIndex;
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return n;
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} |
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public int getShapeType() { |
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return FShape.POINT;
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} |
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public int getShapeCount() throws IOException { |
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try {
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return (int) ds.getRowCount(); |
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} catch (DriverException e) {
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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} |
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return 0; |
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} |
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public DriverAttributes getDriverAttributes() {
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// TODO Auto-generated method stub
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return null; |
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} |
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public Rectangle2D getFullExtent() throws IOException { |
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if (fullExtent == null) { |
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try {
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for (int i=0;i<ds.getRowCount();i++) { |
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double x = (new Double(((Value)ds.getFieldValue((int)i, xFieldIndex)).toString())).doubleValue(); |
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double y = (new Double(((Value)ds.getFieldValue((int)i, yFieldIndex)).toString())).doubleValue(); |
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FGeometry geometry = ShapeFactory.createGeometry(new FPoint2D(x, y));
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Rectangle2D rect = geometry.getBounds2D();
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if (fullExtent == null) { |
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fullExtent = rect; |
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} else {
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fullExtent.add(rect); |
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} |
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} |
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} catch (com.hardcode.gdbms.engine.data.driver.DriverException e1) {
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// TODO Auto-generated catch block
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e1.printStackTrace(); |
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} |
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} |
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return fullExtent;
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} |
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public IGeometry getShape(int index){ |
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double x;
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double y;
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try {
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x = (new Double(((Value)ds.getFieldValue(index, xFieldIndex)).toString())).doubleValue(); |
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y = (new Double(((Value)ds.getFieldValue(index, yFieldIndex)).toString())).doubleValue(); |
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//System.err.println("La X = "+x+" , La Y = "+y);
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FGeometry geometry = ShapeFactory.createGeometry(new FPoint2D(x, y));
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return geometry;
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} catch (NumberFormatException e) { |
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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} catch (DriverException e) {
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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} |
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return null; |
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} |
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public String getName() { |
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return "Add Event Layer Driver"; |
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} |
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public int[] getPrimaryKeys() throws DriverException { |
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// TODO Auto-generated method stub
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return null; |
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} |
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public void write(DataWare dataWare) throws DriverException { |
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// TODO Auto-generated method stub
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} |
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public void setDataSourceFactory(DataSourceFactory arg0) { |
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// TODO Auto-generated method stub
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} |
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public Value getFieldValue(long rowIndex, int fieldId) throws DriverException { |
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return ds.getFieldValue(rowIndex, fieldId);
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} |
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public int getFieldCount() throws DriverException { |
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return ds.getFieldCount();
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} |
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public String getFieldName(int fieldId) throws DriverException { |
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return ds.getFieldName(fieldId);
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} |
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public long getRowCount() throws DriverException { |
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return ds.getRowCount();
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} |
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public int getFieldType(int i) throws DriverException { |
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return ds.getFieldType(i);
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} |
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public String getClassName() { |
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return this.getClass().getName(); |
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} |
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// Para guardar en el xml file
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public XMLEntity getXMLEntity() {
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XMLEntity xml = new XMLEntity();
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xml.putProperty("className", this.getClass().getName()); |
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xml.putProperty("xFieldIndex", xFieldIndex);
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xml.putProperty("yFieldIndex", yFieldIndex);
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xml.putProperty("tableName", ds.getName());
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return xml;
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} |
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// Para recuperar del xml file
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public void setXMLEntity(XMLEntity xml) { |
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int xFieldIndex = xml.getIntProperty("xFieldIndex"); |
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int yFieldIndex = xml.getIntProperty("yFieldIndex"); |
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String tableName = xml.getStringProperty("tableName"); |
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try {
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DataSource ds = LayerFactory.getDataSourceFactory().createRandomDataSource(tableName, DataSourceFactory.AUTOMATIC_OPENING);
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setData(ds, xFieldIndex, yFieldIndex); |
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} catch (NoSuchTableException e) {
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throw new RuntimeException(e); |
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} catch (com.hardcode.gdbms.engine.data.driver.DriverException e) {
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throw new RuntimeException(e); |
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} catch (DriverLoadException e) {
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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} |
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} |
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public void reLoad() throws IOException { |
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// TODO Auto-generated method stub
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} |
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public int getFieldWidth(int i) throws DriverException { |
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return ds.getFieldWidth(i);
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} |
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public Rectangle2D getShapeBounds(int index) throws IOException { |
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return getShape(index).getBounds2D();
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} |
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public int getShapeType(int index) { |
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return getShape(index).getGeometryType();
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} |
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} |