svn-gvsig-desktop / trunk / libraries / libRemoteServices / src / org / gvsig / remoteClient / gml / GMLFeaturesParser.java @ 9729
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package org.gvsig.remoteClient.gml; |
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import java.awt.geom.Rectangle2D; |
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import org.gvsig.exceptions.BaseException; |
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import org.gvsig.remoteClient.gml.exceptions.GMLException; |
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import org.gvsig.remoteClient.gml.factories.IGeometriesFactory; |
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import org.gvsig.remoteClient.gml.schemas.XMLSchemaParser; |
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import org.kxml2.io.KXmlParser; |
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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: GMLFeaturesParser.java 9729 2007-01-15 13:11:17Z csanchez $
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* $Log$
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* Revision 1.3 2007-01-15 13:11:00 csanchez
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* Sistema de Warnings y Excepciones adaptado a BasicException
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*
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* Revision 1.2 2006/12/22 11:25:44 csanchez
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* Nuevo parser GML 2.x para gml's sin esquema
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*
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* Revision 1.1 2006/08/10 12:00:49 jorpiell
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* Primer commit del driver de Gml
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*
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*
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*/
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/**
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* This class has all the methods that a GML parser
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* must implement. It has methods to parse some data and
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* methods to get info about the GML file
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*
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* @author Jorge Piera Llodr? (piera_jor@gva.es)
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* @author Carlos S?nchez Peri??n (sanchez_carper@gva.es)
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*
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*/
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public abstract class GMLFeaturesParser { |
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private XMLSchemaParser parser = null; |
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private IGeometriesFactory factory = null; |
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private String documentRoot = null; |
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private Extent extent = null; |
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public GMLFeaturesParser(IGeometriesFactory factory,XMLSchemaParser parser) throws Exception { |
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super();
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this.factory = factory;
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this.parser = parser;
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initialize(); |
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} |
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/**
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* Gets one iterator to retrieve all the
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* GML features
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* @param file
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* File to parse
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* @return
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*/
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public abstract IGMLFeaturesIterator getFeaturesReader() throws BaseException; |
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/**
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* It initializes the GML file. It parses all the GML code
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* that is located before the GML features
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* @throws GMLException
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*/
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private void initialize() throws Exception{ |
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//It changes the namespace to "gml" for check all the features in the file
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parser.setSchema("gml");
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int currentTag;
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currentTag = parser.getEventType(); |
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switch(currentTag){
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case KXmlParser.START_TAG:
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//This is the main tag of the document
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documentRoot = parser.getName(); |
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break;
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case KXmlParser.END_TAG:
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break;
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case KXmlParser.TEXT:
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break;
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} |
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//now it parses the header of the file
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initializeHeader(); |
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} |
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/**
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* It initializes some GML fields like the BBOX, the imports,
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* etc.
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* @throws GMLException
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* @throws BaseException
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*/
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public abstract void initializeHeader() throws BaseException; |
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/**
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* @return Returns the extent.
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*/
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public Extent getExtent() {
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return extent;
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} |
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/**
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* @return Returns the documentRoot.
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*/
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public String getDocumentRoot() { |
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return documentRoot;
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} |
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/**
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* @return Returns the factory.
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*/
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public IGeometriesFactory getFactory() {
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return factory;
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} |
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/**
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* @return Returns the parser.
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*/
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public XMLSchemaParser getParser() {
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return parser;
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} |
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/**
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* @param extent The extent to set.
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*/
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public void setExtent(Extent extent) { |
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this.extent = extent;
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} |
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/************************************************************************************
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* Class <Extent> *
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* This class take the cords of reference where it will draw the shape *
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* Ussualy this references are indicated by the <boundedBy> tag. *
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* <gml:boundedBy> *
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* <gml:Box srsName="http://www.opengis.net/gml/srs/epsg.xml#23030"> *
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* <gml:coordinates decimal="." cs="," ts=" "> *
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* -135.15989685058594,43.97196475963302 -41.46491900991063,76.32874354251143 *
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* </gml:coordinates> *
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* </gml:Box> *
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* </gml:boundedBy> *
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* **********************************************************************************/
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public static class Extent{ |
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private Rectangle2D extent = null; |
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//it has the reference system.
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private String srs = null; |
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public Extent(Rectangle2D extent, String srs) { |
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super();
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this.extent = extent;
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this.srs = srs;
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} |
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/**
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* @return Returns the extent.
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*/
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public Rectangle2D getExtent() { |
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return extent;
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} |
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/**
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* @return Returns the srs.
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*/
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public String getSrs() { |
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return srs;
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} |
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} |
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} |