svn-gvsig-desktop / tags / v10_RC2c / libraries / libRemoteServices / src / org / gvsig / remoteClient / gml / v2 / GMLFeaturesIterator_v2.java @ 8745
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package org.gvsig.remoteClient.gml.v2; |
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import java.io.IOException; |
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import java.util.ArrayList; |
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import java.util.Hashtable; |
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import java.util.Vector; |
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import org.gvsig.remoteClient.gml.GMLException; |
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import org.gvsig.remoteClient.gml.IGMLFeaturesIterator; |
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import org.gvsig.remoteClient.gml.factories.IGeometriesFactory; |
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import org.gvsig.remoteClient.gml.factories.XMLElementsFactory; |
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import org.gvsig.remoteClient.gml.factories.XMLTypesFactory; |
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import org.gvsig.remoteClient.gml.schemas.IXMLType; |
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import org.gvsig.remoteClient.gml.schemas.XMLComplexType; |
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import org.gvsig.remoteClient.gml.schemas.XMLElement; |
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import org.gvsig.remoteClient.gml.schemas.XMLSchemaParser; |
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import org.gvsig.remoteClient.gml.schemas.XMLSimpleType; |
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import org.gvsig.remoteClient.gml.utils.GMLUtilsParser; |
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import org.kxml2.io.KXmlParser; |
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import org.xmlpull.v1.XmlPullParserException; |
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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: GMLFeaturesIterator_v2.java 8745 2006-11-14 13:14:23Z $
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* $Log$
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* Revision 1.1.2.2 2006-09-25 11:35:15 jorpiell
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* Se tienen en cuanta tablas a distintos niveles. En caso de anidamiento se cogen los resultados de la primera tabla que aparezca.
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*
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* Revision 1.1.2.1 2006/09/19 12:23:15 jorpiell
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* Ya no se depende de geotools
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*
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* Revision 1.2 2006/09/18 12:08:55 jorpiell
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* Se han hecho algunas modificaciones que necesitaba el WFS
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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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* @author Jorge Piera Llodr? (piera_jor@gva.es)
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*/
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public class GMLFeaturesIterator_v2 extends IGMLFeaturesIterator { |
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public GMLFeaturesIterator_v2(XMLSchemaParser parser, IGeometriesFactory factory) {
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super(parser, factory);
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.remoteClient.gml.IGMLFeaturesIterator#hasNext()
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*/
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public boolean hasNext() throws GMLException { |
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try {
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if ((getParser().getName().compareTo(getFeatureRoot()) == 0) && |
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(getParser().getEventType() == KXmlParser.START_TAG)){
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return true; |
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} |
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} catch (XmlPullParserException e) {
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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throw new GMLException(GMLException.EXC_PARSE); |
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} |
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return false; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.remoteClient.gml.IGMLFeaturesIterator#next()
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*/
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public Object next() throws GMLException { |
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boolean endFeature = false; |
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Object feature = null; |
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int currentTag;
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try {
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currentTag = getParser().getEventType(); |
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while (!endFeature){
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switch(currentTag){
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case KXmlParser.START_TAG:
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feature = parseFeature(); |
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break;
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case KXmlParser.END_TAG:
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if (getParser().getName().compareTo(getFeatureRoot()) == 0){ |
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endFeature = true;
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currentTag = getParser().nextTag(); |
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} |
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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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if (!endFeature){
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currentTag = getParser().next(); |
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} |
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} |
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}catch (XmlPullParserException e) {
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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throw new GMLException(GMLException.EXC_PARSE); |
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} catch (IOException e) { |
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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throw new GMLException(GMLException.EXC_READ_FILE); |
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} |
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return feature;
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} |
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/**
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* It parses a Feature
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* @throws IOException
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* @throws XmlPullParserException
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*
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*/
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private Object parseFeature() throws GMLException { |
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int currentTag;
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boolean end = false; |
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try {
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currentTag = getParser().getEventType(); |
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String featureType = null; |
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if ((getParser().getName() != null) && (featureType == null)){ |
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featureType = getParser().getName(); |
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return parseSpecificFeature(featureType);
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} |
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}catch (XmlPullParserException e) {
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e.printStackTrace(); |
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throw new GMLException(GMLException.EXC_PARSE); |
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} |
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return null; |
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} |
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private Object parseSpecificFeature(String elementName) throws GMLException { |
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int currentTag;
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boolean end = false; |
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ArrayList params = new ArrayList(); |
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ArrayList values = new ArrayList(); |
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Hashtable duplicates = new Hashtable(); |
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Object geom = null; |
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XMLElement element = XMLElementsFactory.getElement(elementName); |
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if (element != null){ |
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XMLComplexType elementType = (XMLComplexType)element.getType(); |
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try{
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currentTag = getParser().next(); |
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while (!end){
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switch(currentTag){
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case KXmlParser.START_TAG:
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String attName = getParser().getName();
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XMLElement attribute = elementType.getElement(attName); |
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if (attribute != null){ |
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if (attribute.getType() != null){ |
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if (attribute.getType().getType() == IXMLType.SIMPLE){
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if (duplicates.get(attName) == null){ |
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params.add(attName); |
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duplicates.put(attName,attName); |
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getParser().next(); |
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values.add(((XMLSimpleType)attribute.getType()).getObject(getParser().getText())); |
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} |
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}else if (attribute.getType().getType() == IXMLType.GML_GEOMETRY){ |
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geom = GMLUtilsParser.parseGeometry(getParser(),attName,getFactory()); |
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}else if (attribute.getType().getType() == IXMLType.COMPLEX){ |
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//Not in GML v2
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} |
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} |
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} |
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break;
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case KXmlParser.END_TAG:
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if ((getParser().getName().compareTo(elementName) == 0)) |
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end = true;
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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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if (!end){
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currentTag = getParser().next(); |
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} |
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} |
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}catch (XmlPullParserException e) {
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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throw new GMLException(GMLException.EXC_PARSE); |
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} catch (IOException e) { |
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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throw new GMLException(GMLException.EXC_READ_FILE); |
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} |
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} |
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return getFactory().createSimpleFeature(elementName,geom,params,values);
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} |
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} |