root / branches / v2_0_0_prep / libraries / libRemoteServices / src / org / gvsig / remoteclient / wfs / schema / XMLElement.java @ 33738
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package org.gvsig.remoteclient.wfs.schema; |
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import java.io.IOException; |
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import java.util.Vector; |
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import org.kxml2.io.KXmlParser; |
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import org.xmlpull.v1.XmlPullParserException; |
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import org.gvsig.compat.CompatLocator; |
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import org.gvsig.compat.lang.StringUtils; |
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import org.gvsig.remoteclient.utils.CapabilitiesTags; |
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import org.gvsig.remoteclient.wfs.schema.type.IXMLType; |
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import org.gvsig.remoteclient.wfs.schema.type.XMLComplexType; |
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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: XMLElement.java 18271 2008-01-24 09:06:43Z jpiera $
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* $Log$
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* Revision 1.10 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 1.9 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 1.8 2006/11/16 13:27:42 jorpiell
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* El XML Element tiene un m?todo para recuperar a los hijos de un elemento determinado
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*
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* Revision 1.7 2006/11/16 09:45:10 jorpiell
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* A?adido un m?todo que te devuelve un XMLElement a partir del nombre de un element
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*
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* Revision 1.6 2006/11/14 12:45:30 jorpiell
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* Se ha a?adido un m?todo al XMLEntity que devuelve el nombre completo desde el nodo apdre al nodo hijo separados por barras
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*
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* Revision 1.5 2006/10/31 13:52:37 ppiqueras
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* Mejoras para uso de features complejas
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*
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* Revision 1.4 2006/10/31 12:24:33 jorpiell
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* En caso de que el elemento forme parte de un tipo complejo tiene que tener un enlace al tipo del objeto padre
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*
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* Revision 1.3 2006/10/10 12:52:28 jorpiell
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* Soporte para features complejas.
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*
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* Revision 1.2 2006/08/29 08:43:13 jorpiell
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* Dos peque?os cambios para tener en cuenta las referencias
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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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* A simple XSD element that represent an object
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* with a type of data.
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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 XMLElement { |
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private String name = null; |
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private String reference = null; |
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private IXMLType type = null; |
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private String typeUnknown = null; |
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private int minOccurs = -1; |
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private int maxOccurs = -1; |
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private int totalDigits = 0; |
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private int fractionDigits = 0; |
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//Only used if is a part of a complex type
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private XMLElement parentElement = null; |
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private static final StringUtils stringUtils = CompatLocator.getStringUtils(); |
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public XMLElement(XMLSchemaParser parser) throws XmlPullParserException, IOException { |
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super();
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parse(parser); |
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} |
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public XMLElement(String name) { |
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super();
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this.name = name;
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} |
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/**
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* @return Returns the maxOccurs.
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*/
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public int getMaxOccurs() { |
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return maxOccurs;
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} |
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/**
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* @param maxOccurs The maxOccurs to set.
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*/
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public void setMaxOccurs(int maxOccurs) { |
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this.maxOccurs = maxOccurs;
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} |
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/**
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* @return Returns the minOccurs.
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*/
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public int getMinOccurs() { |
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return minOccurs;
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} |
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/**
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* @param minOccurs The minOccurs to set.
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*/
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public void setMinOccurs(int minOccurs) { |
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this.minOccurs = minOccurs;
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} |
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/**
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* @return Returns the name.
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*/
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public String getName() { |
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return name;
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} |
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/**
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* @param name The name to set.
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*/
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public void setName(String name) { |
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this.name = name;
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} |
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/**
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* @return Returns the type.
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*/
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public IXMLType getEntityType() {
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if (type != null){ |
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return type;
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} |
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if (typeUnknown != null){ |
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this.type = XMLTypesFactory.getType(typeUnknown);
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} |
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if ((type == null) && (typeUnknown != null)){ |
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if (stringUtils.split(typeUnknown, ":").length > 1){ |
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this.type = XMLTypesFactory.getType(null + ":" + stringUtils.split(typeUnknown, ":")[1]); |
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if (type == null){ |
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this.type = XMLTypesFactory.getType(stringUtils.split(typeUnknown, ":")[1]); |
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} |
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} |
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} |
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return type;
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} |
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/**
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* @param type The type to set.
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*/
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public void setEntityType(String type) { |
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IXMLType xmlType = XMLTypesFactory.getType(type); |
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if (xmlType == null){ |
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String[] types = stringUtils.split(type, ":"); |
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if (types.length == 1){ |
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xmlType = XMLTypesFactory.getType("XS:" + type);
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} |
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if (xmlType == null){ |
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xmlType = XMLTypesFactory.getType("GML:" + type);
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} |
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if (xmlType == null){ |
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typeUnknown = type; |
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} |
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} |
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this.type = xmlType;
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} |
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/*
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* (non-Javadoc)
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* @see java.lang.Object#toString()
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*/
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public String toString(){ |
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return name;
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} |
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/**
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* Parses the contents of the parser to extract the information
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* about a XSD element
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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 void parse(XMLSchemaParser parser) throws XmlPullParserException, IOException{ |
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//con kxml contamos cuantos argumentos tiene la etiqueta gml para parsear
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for (int i=0 ; i<parser.getAttributeCount() ; i++){ |
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//detecta los atributos del elemento y los salva
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//puede ser que se sepa antes el atributo que el tipo al que pertenece o viceversa
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if (parser.getAttributeName(i).compareTo(CapabilitiesTags.ELEMENT_NAME) == 0){ |
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setName(parser.getAttributeValue(i)); |
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}else if (parser.getAttributeName(i).compareTo(CapabilitiesTags.ELEMENT_TYPE) == 0){ |
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setEntityType(parser.getAttributeValue(i)); |
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}else if (parser.getAttributeName(i).compareTo(CapabilitiesTags.ELEMENT_MAXOCCURS) == 0){ |
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try{
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setMaxOccurs(Integer.parseInt(parser.getAttributeValue(i)));
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}catch(NumberFormatException e){ |
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setMaxOccurs(-1);
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} |
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}else if (parser.getAttributeName(i).compareTo(CapabilitiesTags.ELEMENT_MINOCCURS) == 0){ |
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try{
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setMinOccurs(Integer.parseInt(parser.getAttributeValue(i)));
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}catch(NumberFormatException e){ |
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setMinOccurs(-1);
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} |
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}else if (parser.getAttributeName(i).compareTo(CapabilitiesTags.ELEMENT_REF) == 0){ |
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setReference(parser.getAttributeValue(i)); |
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} |
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} |
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} |
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public void parseSimpleType(XMLSchemaParser parser) throws IOException, XmlPullParserException |
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{
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int currentTag;
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boolean end = false; |
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currentTag = parser.getEventType(); |
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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 (parser.getName().compareTo(CapabilitiesTags.RESTRICTION)==0){ |
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for (int i=0 ; i<parser.getAttributeCount() ; i++){ |
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if (parser.getAttributeName(i).compareTo(CapabilitiesTags.BASE) == 0){ |
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setEntityType(parser.getAttributeValue(i)); |
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} |
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} |
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parseRestriction(parser); |
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} |
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break;
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case KXmlParser.END_TAG:
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if (parser.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 = parser.next(); |
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} |
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} |
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} |
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private void parseRestriction(XMLSchemaParser parser) throws IOException, XmlPullParserException |
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{
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int currentTag;
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boolean end = false; |
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parser.require(KXmlParser.START_TAG, null, CapabilitiesTags.RESTRICTION);
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currentTag = parser.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 (parser.getName().compareTo(CapabilitiesTags.TOTAL_DIGITS)==0) |
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{
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for (int i=0 ; i<parser.getAttributeCount() ; i++){ |
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if (parser.getAttributeName(i).compareTo(CapabilitiesTags.VALUE) == 0){ |
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setTotalDigits(Integer.parseInt(parser.getAttributeValue(i)));
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} |
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} |
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}else if (parser.getName().compareTo(CapabilitiesTags.FRACTION_DIGITS)==0){ |
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for (int i=0 ; i<parser.getAttributeCount() ; i++){ |
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if (parser.getAttributeName(i).compareTo(CapabilitiesTags.VALUE) == 0){ |
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setFractionDigits(Integer.parseInt(parser.getAttributeValue(i)));
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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 (parser.getName().compareTo(CapabilitiesTags.RESTRICTION) == 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 = parser.next(); |
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} |
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} |
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} |
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/**
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* @return Returns the reference.
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*/
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public String getReference() { |
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return reference;
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} |
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/**
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* @param reference The reference to set.
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*/
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public void setReference(String reference) { |
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this.reference = reference;
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} |
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/**
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* @return Returns the fractionDigits.
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*/
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public int getFractionDigits() { |
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return fractionDigits;
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} |
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/**
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* @param fractionDigits The fractionDigits to set.
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*/
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public void setFractionDigits(int fractionDigits) { |
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this.fractionDigits = fractionDigits;
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} |
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/**
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* @return Returns the totalDigits.
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*/
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public int getTotalDigits() { |
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return totalDigits;
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} |
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/**
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* @param totalDigits The totalDigits to set.
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*/
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public void setTotalDigits(int totalDigits) { |
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this.totalDigits = totalDigits;
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} |
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/**
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* @return Returns the parentType.
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*/
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public XMLElement getParentElement() {
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return parentElement;
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} |
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/**
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* @param parent The parentTypeparentType to set.
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*/
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public void setParentElement(XMLElement parentElement) { |
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this.parentElement = parentElement;
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} |
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/**
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* This method returns the full element name. The full name
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* is composed by all the parent names. E.g: ParentName/ChildName
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* @return
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*/
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public String getFullName(){ |
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String path = getName();
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XMLElement parent = this.getParentElement();
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while (parent != null){ |
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if (parent.getParentElement() != null){ |
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path = parent.getName() + "/" + path;
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} |
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parent = parent.getParentElement(); |
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} |
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return path;
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} |
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/**
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* Search a attribute by name. If the attribute is found, the
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* XMLElement is returned
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* @param attName
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* Attribute to search
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* @return xMLElement
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*/
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public XMLElement searchAttribute(String attName){ |
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return searchAttribute(attName,getName());
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} |
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private XMLElement searchAttribute(String attName,String fullName){ |
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if (fullName.equals(attName)){
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return this; |
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} |
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if (getEntityType().getType() == IXMLType.COMPLEX){
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Vector attributes = ((XMLComplexType)getEntityType()).getAttributes();
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XMLElement child = null;
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for (int i=0 ; i<attributes.size() ; i++){ |
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child = (XMLElement)attributes.get(i); |
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XMLElement element = child.searchAttribute(attName,fullName + "/" + child.getName());
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if (element != null){ |
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return element;
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} |
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} |
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} |
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return null; |
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} |
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/**
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* Return the element chidren (if the element is a complex type)
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* @return
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*/
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public Vector getChildren(){ |
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if ((getEntityType() != null) && |
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(getEntityType().getType() == IXMLType.COMPLEX)){
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return ((XMLComplexType)getEntityType()).getAttributes();
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} |
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return new Vector(); |
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} |
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/**
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* Returns if the attribute is multiple or not
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* @return
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*/
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public boolean isMultiple(){ |
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if (maxOccurs == 1){ |
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return false; |
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} |
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return true; |
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} |
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} |