svn-gvsig-desktop / branches / v2_0_0_prep / libraries / libRemoteServices / src / org / gvsig / remoteClient / wfs / schema / XMLSchemaParser.java @ 28543
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package org.gvsig.remoteClient.wfs.schema; |
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import java.io.File; |
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import java.io.FileReader; |
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import java.io.IOException; |
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import org.gvsig.remoteClient.utils.CapabilitiesTags; |
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import org.gvsig.remoteClient.utils.EncodingXMLParser; |
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import org.gvsig.remoteClient.wfs.schema.type.XMLComplexType; |
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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: XMLSchemaParser.java 18271 2008-01-24 09:06:43Z jpiera $
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* $Log$
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* Revision 1.7 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 1.6 2006/12/29 17:15:48 jorpiell
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* Se tienen en cuenta los simpleTypes y los choices, adem?s de los atributos multiples
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*
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* Revision 1.5 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 1.4 2006/10/10 12:52:28 jorpiell
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* Soporte para features complejas.
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*
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* Revision 1.3 2006/10/02 08:33:49 jorpiell
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* Cambios del 10 copiados al head
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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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* Revision 1.1 2006/05/16 14:12:56 jorpiell
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* A?adido el parseador de Esquemas
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*
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*
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*/
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/**
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* Thas class is used to parse a schema XSD
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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 class XMLSchemaParser extends EncodingXMLParser { |
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private String targetNameSpace = null; |
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private String schema = ""; |
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private String encoding = "UTF-8"; |
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private String nameSpace = ""; |
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private String version = null; |
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public XMLSchemaParser(){
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super();
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} |
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public XMLSchemaParser(String schema){ |
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super();
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//schema instace is named with the string in "schema"
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this.schema = schema;
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} |
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/**
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* It gets the schema from a tag. The schema is separated
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* of the tag name by ":".
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* @param tag
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*/
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public void setSchemaFromMainTag(String tag){ |
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//set the name string of the namespace.
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int pos = tag.indexOf(":"); |
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if (pos > 0){ |
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this.schema = tag.substring(0,pos); |
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}else{
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this.schema = ""; |
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} |
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} |
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/**
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* @return Returns the schema.
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*/
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public String getSchema() { |
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return schema;
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} |
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/**
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* @param schema The schema to set.
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*/
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public void setSchema(String schema) { |
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this.schema = schema;
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} |
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/**
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* Returns a SCHEMA:TAG
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* @param tag
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* @return SCHEMA:TAG
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*/
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private String getTag(String tag){ |
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//get the tag without the namespace
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if (tag == null){ |
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return null; |
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} |
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if ((schema == null) || (schema.equals(""))){ |
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return tag;
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} |
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return schema + ":" + tag; |
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} |
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/*
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* (non-Javadoc)
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* @see org.xmlpull.v1.XmlPullParser#require(int, java.lang.String, java.lang.String)
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*/
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public void require(int type, String namespace, String name) |
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throws XmlPullParserException, IOException{ |
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super.require(type,namespace,getTag(name));
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} |
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/*
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* (non-Javadoc)
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* @see org.xmlpull.v1.XmlPullParser#getName()
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*/
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public String getName(){ |
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try{
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String name = super.getName(); |
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if ((schema != null) || (!(schema.equals("")))){ |
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return name.substring(name.indexOf(":") + 1,name.length()); |
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} |
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return name;
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}catch (NullPointerException e){ |
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return ""; |
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} |
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} |
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/*
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* (non-Javadoc)
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* @see org.xmlpull.v1.XmlPullParser#getName()
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*/
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public String getNameSpace(){ |
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try{
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String name = super.getName(); |
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if ((name!=null)&&(name.split(":").length > 1)){ |
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return name.split(":")[0]; |
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} |
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return ""; |
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}catch (NullPointerException e){ |
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return ""; |
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} |
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} |
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/********************************************************************************
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* FUNCTION PARSE(FILE,NAMESPACE) PARSING THE XML SCHEMA ".xsd" *
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* *
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* -gml version *
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* -elementFormDefault {qualified,non-qualified} (not implemented yet) *
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* -namespaces "xmlns" (nor implemented,only in gml file) *
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* -targetNamespace (the name of this schema) *
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* -imports (not implemented) *
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* -features -> "elements"="types" *
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* *
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* @param f (file ".xsd" to parse) *
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* @param nameSpace (Schemas name) *
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* @throws IOException *
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* @throws XmlPullParserException *
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* *
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********************************************************************************/
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public void parse(File f,String nameSpace) throws XmlPullParserException, IOException{ |
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this.nameSpace = nameSpace;
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FileReader reader = null; |
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int tag;
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setInput(f); |
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nextTag(); |
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//Parsing attributes from the head tag...
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if ( getEventType() != KXmlParser.END_DOCUMENT )
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{
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/************************
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* Etiqueta <schema> *
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************************/
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setSchemaFromMainTag(getName()); |
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//Searching the init tag "schema"
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require(KXmlParser.START_TAG, null, CapabilitiesTags.WFS_SCHEMAROOT);
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for (int i=0 ; i<getAttributeCount() ; i++){ |
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//getting attributes and values
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String attName = getAttributeName(i);
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String attValue = getAttributeValue(i);
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/********************************
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* Atributo <targetNamespace> *
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********************************/
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//Target Namespace (URI)
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//this is the namespace of all components in the schema
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//setTargetNamespace();
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if (attName.compareTo(GMLTags.XML_TARGET_NAMESPACE)==0){ |
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targetNameSpace = attValue; |
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} |
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/************************************
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* Atributo <elementFormDefault> *
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************************************/
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//Qualified--> Los elementos del espacio de nombres de destino deben cualificarse
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//con el prefijo del espacio de nombres.
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//Unqualified--> No es necesario que los elementos del
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//espacio de nombres de destino est?n cualificados con el prefijo del espacio de nombres.
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//(Espacion_de_Nombres:Elemento)
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//elementFormDefault();
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if (attName.compareTo(GMLTags.XML_ELEMENT_FORM_DEFAULT)==0){ |
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} |
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/************************************
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* Atributo <attributeFormDefault> *
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************************************/
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//Lo mismo que el anterior pero con los atributos...
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//(Espacio_de_Nombres:Atributo)
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//attributeFormDefault();
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if (attName.compareTo(GMLTags.XML_ATTRIBUTE_FORM_DEFAULT)==0){ |
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} |
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/************************
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* Atributo <Version> *
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************************/
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//Gets gml version to parse by the right parser.
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//getversion();
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if (attName.compareTo(GMLTags.VERSION)==0){ |
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version=attValue; |
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} |
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} |
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tag = nextTag(); |
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while(tag != KXmlParser.END_DOCUMENT)
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{
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switch(tag)
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{
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case KXmlParser.START_TAG:
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/************************
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* Etiqueta <import> *
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************************/
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//imports elements from other schemas (other schema ".xsd" files)
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/****************************
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* Etiqueta <complexType> *
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****************************/
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if (getName().compareTo(CapabilitiesTags.COMPLEXTYPE)==0){ |
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for (int i=0 ; i<getAttributeCount() ; i++){ |
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/********************
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* Atributo <name> *
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********************/
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if (getAttributeName(i).compareTo(GMLTags.GML_NAME) == 0){ |
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// inserts a new complex type inside the namespace
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XMLComplexType complexType = XMLTypesFactory.addComplexType(nameSpace,getAttributeValue(i)); |
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parseComplexType(complexType); |
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} |
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} |
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} |
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/****************************
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* Etiqueta <simpleType> *
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****************************/
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// SIMPLE TYPE elements like enumerations not implemented
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else if (getName().compareTo(CapabilitiesTags.SIMPLETYPE)==0){ |
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parseSimpleType(); |
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} |
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/************************
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* Etiqueta <element> *
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************************/
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else if (getName().compareTo(CapabilitiesTags.ELEMENT)==0){ |
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XMLElement entity = XMLElementsFactory.addType(this);
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} |
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break;
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case KXmlParser.END_TAG:
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break;
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//Show the Text on the screen
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case KXmlParser.TEXT:
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break;
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} |
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tag = next(); |
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} |
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require(KXmlParser.END_DOCUMENT, null, null); |
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} |
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} |
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/****************************************************
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* FUNCTION PARSE SIMPLE TYPE() *
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* *
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* Parse simple types and its restrictions *
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* *
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****************************************************/
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private void parseSimpleType() throws IOException, XmlPullParserException{ |
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int currentTag;
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boolean end = false; |
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currentTag = getEventType(); |
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String typeName = null; |
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String typeValue = null; |
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for (int i=0 ; i<getAttributeCount() ; i++){ |
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if (getAttributeName(i).compareTo(CapabilitiesTags.ELEMENT_NAME) == 0){ |
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typeName = getAttributeValue(i); |
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} |
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} |
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while (!end){
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switch(currentTag){
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case KXmlParser.START_TAG:
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if (getName().compareTo(CapabilitiesTags.RESTRICTION)==0){ |
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for (int i=0 ; i<getAttributeCount() ; i++){ |
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if (getAttributeName(i).compareTo(CapabilitiesTags.BASE) == 0){ |
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typeValue = getAttributeValue(i); |
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} |
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} |
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} |
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//Falta parsear los tipos enumerados
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break;
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case KXmlParser.END_TAG:
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if (getName().compareTo(CapabilitiesTags.SIMPLETYPE) == 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 = next(); |
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} |
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} |
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if ((typeName != null) && (typeValue != null)){ |
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XMLTypesFactory.addSimpleType(typeName,typeValue); |
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} |
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} |
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/****************************************************
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* FUNCTION PARSE COMPLEX TYPE(COMPLEX TYPE) *
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* *
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* Parse the attributes from a complex type *
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* *
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* @param complexType *
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* *
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****************************************************/
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private void parseComplexType(XMLComplexType complexType) throws IOException, XmlPullParserException{ |
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int currentTag;
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boolean end = false; |
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require(KXmlParser.START_TAG, null, CapabilitiesTags.COMPLEXTYPE);
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currentTag = next(); |
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while (!end)
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{
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switch(currentTag)
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{
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case KXmlParser.START_TAG:
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/********************************
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* Etiqueta <complexContent> *
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********************************/
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if (getName().compareTo(CapabilitiesTags.COMPLEXCONTENT)==0){ |
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parseComplexContent(complexType); |
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} |
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/************************
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* Etiqueta <sequence> *
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************************/
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else if(getName().compareTo(CapabilitiesTags.SEQUENCE)==0){ |
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parseSequence(complexType); |
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} |
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/************************
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* Etiqueta <choice> *
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************************/
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else if(getName().compareTo(CapabilitiesTags.CHOICE)==0){ |
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parseChoice(complexType); |
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} |
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break;
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case KXmlParser.END_TAG:
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if (getName().compareTo(CapabilitiesTags.COMPLEXTYPE) == 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 = next(); |
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} |
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} |
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} |
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/************************************************************************************
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* FUNCION PARSE COMPLEX CONTENT(COMPLEX TYPE) *
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* *
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* Parsea los atributos que componen un contenido complejo *
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* *
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* @param complexType (elemento complejo a parsear) *
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* *
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************************************************************************************/
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private void parseComplexContent(XMLComplexType complexType) throws IOException, XmlPullParserException |
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{
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int currentTag;
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boolean end = false; |
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//Establece como requisito abrir una etiqueta <complexContent>
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require(KXmlParser.START_TAG, null, CapabilitiesTags.COMPLEXCONTENT);
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currentTag = next(); |
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while (!end)
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{
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switch(currentTag)
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{
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//Comparo las posibles etiquetas de apertura, las cuales solo nos interesa <extension>
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case KXmlParser.START_TAG:
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if (getName().compareTo(CapabilitiesTags.EXTENSION )==0){ |
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parseExtension(complexType); |
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}else if (getName().compareTo(CapabilitiesTags.RESTRICTION)==0){ |
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parseRestriction(complexType); |
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} |
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break;
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//encuentro una etiqueta de cierre de complexContent con lo cual cierro el tipo complejo
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case KXmlParser.END_TAG:
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if (getName().compareTo(CapabilitiesTags.COMPLEXCONTENT) == 0) |
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end = true;
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break;
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//Siempre puede existir texto por el medio que ignoro
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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 = next(); |
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} |
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} |
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} |
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//Comprueba que las etiquetas extension se abren y se cierran
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private void parseExtension(XMLComplexType complexType) throws IOException, XmlPullParserException |
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{
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int currentTag;
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boolean end = false; |
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require(KXmlParser.START_TAG, null, CapabilitiesTags.EXTENSION);
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for (int i=0 ; i<getAttributeCount() ; i++){ |
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String attName = getAttributeName(i);
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String attValue = getAttributeValue(i);
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if (CapabilitiesTags.BASE.equals(attName)){
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complexType.setBaseType(attValue); |
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} |
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} |
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currentTag = next(); |
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while (!end)
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{
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switch(currentTag)
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{
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case KXmlParser.START_TAG:
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if (getName().compareTo(CapabilitiesTags.SEQUENCE)==0) |
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{
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parseSequence(complexType); |
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} |
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break;
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| 503 |
case KXmlParser.END_TAG:
|
| 504 |
if (getName().compareTo(CapabilitiesTags.EXTENSION) == 0) |
| 505 |
end = true;
|
| 506 |
break;
|
| 507 |
case KXmlParser.TEXT:
|
| 508 |
break;
|
| 509 |
} |
| 510 |
if (!end){
|
| 511 |
currentTag = next(); |
| 512 |
} |
| 513 |
} |
| 514 |
} |
| 515 |
|
| 516 |
//Comprueba que las etiquetas extension se abren y se cierran
|
| 517 |
private void parseRestriction(XMLComplexType complexType) throws IOException, XmlPullParserException |
| 518 |
{
|
| 519 |
int currentTag;
|
| 520 |
boolean end = false; |
| 521 |
|
| 522 |
|
| 523 |
require(KXmlParser.START_TAG, null, CapabilitiesTags.RESTRICTION);
|
| 524 |
currentTag = next(); |
| 525 |
|
| 526 |
while (!end)
|
| 527 |
{
|
| 528 |
switch(currentTag)
|
| 529 |
{
|
| 530 |
case KXmlParser.START_TAG:
|
| 531 |
if (getName().compareTo(CapabilitiesTags.SEQUENCE)==0) |
| 532 |
{
|
| 533 |
parseSequence(complexType); |
| 534 |
} |
| 535 |
break;
|
| 536 |
case KXmlParser.END_TAG:
|
| 537 |
if (getName().compareTo(CapabilitiesTags.RESTRICTION) == 0) |
| 538 |
end = true;
|
| 539 |
break;
|
| 540 |
case KXmlParser.TEXT:
|
| 541 |
break;
|
| 542 |
} |
| 543 |
if (!end){
|
| 544 |
currentTag = next(); |
| 545 |
} |
| 546 |
} |
| 547 |
} |
| 548 |
|
| 549 |
private void parseSequence(XMLComplexType complexType) throws IOException, XmlPullParserException |
| 550 |
{
|
| 551 |
int currentTag;
|
| 552 |
boolean end = false; |
| 553 |
XMLElement elemento_previo=null;
|
| 554 |
|
| 555 |
require(KXmlParser.START_TAG, null, CapabilitiesTags.SEQUENCE);
|
| 556 |
currentTag = next(); |
| 557 |
|
| 558 |
while (!end)
|
| 559 |
{
|
| 560 |
switch(currentTag)
|
| 561 |
{
|
| 562 |
case KXmlParser.START_TAG:
|
| 563 |
/************************
|
| 564 |
* Etiqueta <Element> *
|
| 565 |
************************/
|
| 566 |
if (getName().compareTo(CapabilitiesTags.ELEMENT)==0){ |
| 567 |
XMLElement element = new XMLElement(this); |
| 568 |
if (element != null){ |
| 569 |
complexType.addElements(element); |
| 570 |
} |
| 571 |
elemento_previo=element; |
| 572 |
} |
| 573 |
/****************************
|
| 574 |
* Etiqueta <ComplexType> *
|
| 575 |
****************************/
|
| 576 |
else if(getName().compareTo(CapabilitiesTags.COMPLEXTYPE)==0){ |
| 577 |
for (int i=0 ; i<getAttributeCount() ; i++){ |
| 578 |
if (getAttributeName(i).compareTo(GMLTags.GML_NAME) == 0){ |
| 579 |
XMLComplexType complexTypeChild = XMLTypesFactory.addComplexType(nameSpace,getAttributeValue(i)); |
| 580 |
parseComplexType(complexTypeChild); |
| 581 |
} |
| 582 |
} |
| 583 |
} |
| 584 |
else if(getName().compareTo(CapabilitiesTags.SIMPLETYPE)==0){ |
| 585 |
elemento_previo.parseSimpleType(this);
|
| 586 |
} |
| 587 |
break;
|
| 588 |
case KXmlParser.END_TAG:
|
| 589 |
if (getName().compareTo(CapabilitiesTags.SEQUENCE) == 0) |
| 590 |
end = true;
|
| 591 |
break;
|
| 592 |
case KXmlParser.TEXT:
|
| 593 |
break;
|
| 594 |
} |
| 595 |
if (!end){
|
| 596 |
currentTag = next(); |
| 597 |
} |
| 598 |
} |
| 599 |
} |
| 600 |
|
| 601 |
private void parseChoice(XMLComplexType complexType) throws IOException, XmlPullParserException |
| 602 |
{
|
| 603 |
int currentTag;
|
| 604 |
boolean end = false; |
| 605 |
|
| 606 |
require(KXmlParser.START_TAG, null, CapabilitiesTags.CHOICE);
|
| 607 |
currentTag = next(); |
| 608 |
|
| 609 |
complexType.setAttributesType(XMLComplexType.CHOICE_TYPE); |
| 610 |
|
| 611 |
while (!end)
|
| 612 |
{
|
| 613 |
switch(currentTag)
|
| 614 |
{
|
| 615 |
case KXmlParser.START_TAG:
|
| 616 |
/************************
|
| 617 |
* Etiqueta <Element> *
|
| 618 |
************************/
|
| 619 |
if (getName().compareTo(CapabilitiesTags.ELEMENT)==0){ |
| 620 |
XMLElement element = new XMLElement(this); |
| 621 |
if (element != null){ |
| 622 |
complexType.addElements(element); |
| 623 |
} |
| 624 |
} |
| 625 |
break;
|
| 626 |
case KXmlParser.END_TAG:
|
| 627 |
if (getName().compareTo(CapabilitiesTags.CHOICE) == 0) |
| 628 |
end = true;
|
| 629 |
break;
|
| 630 |
case KXmlParser.TEXT:
|
| 631 |
break;
|
| 632 |
} |
| 633 |
if (!end){
|
| 634 |
currentTag = next(); |
| 635 |
} |
| 636 |
} |
| 637 |
} |
| 638 |
|
| 639 |
public String getversion() { |
| 640 |
if (version == null){ |
| 641 |
//return the default GML version
|
| 642 |
return "99.99.99"; |
| 643 |
} |
| 644 |
return version;
|
| 645 |
} |
| 646 |
public String getTargetNamespace() { |
| 647 |
return targetNameSpace;
|
| 648 |
} |
| 649 |
} |