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root / trunk / libraries / libGPE / src / org / gvsig / xmlschema / som / impl / XSElementDeclarationImpl.java @ 12175

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package org.gvsig.xmlschema.som.impl;
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import java.util.Iterator;
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import org.gvsig.xmlschema.exceptions.TypeNotFoundException;
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import org.gvsig.xmlschema.som.IXSComplexTypeDefinition;
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import org.gvsig.xmlschema.som.IXSElementDeclaration;
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import org.gvsig.xmlschema.som.IXSSchema;
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import org.gvsig.xmlschema.som.IXSTypeDefinition;
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import org.gvsig.xmlschema.utils.SchemaCollection;
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import org.gvsig.xmlschema.utils.SchemaTags;
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import org.gvsig.xmlschema.utils.SchemaUtils;
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import org.w3c.dom.Element;
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import org.w3c.dom.Node;
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import org.w3c.dom.NodeList;
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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: XSElementDeclarationImpl.java 12175 2007-06-14 16:15:05Z jorpiell $
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 * $Log$
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 * Revision 1.1  2007-06-14 16:15:03  jorpiell
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 * builds to create the jars generated and add the schema code to the libGPEProject
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 *
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 * Revision 1.1  2007/06/14 13:50:07  jorpiell
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 * The schema jar name has been changed
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 *
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 * Revision 1.4  2007/06/08 11:35:16  jorpiell
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 * IXSSchema interface updated
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 *
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 * Revision 1.3  2007/06/07 14:54:13  jorpiell
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 * Add the schema support
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 *
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 * Revision 1.2  2007/05/30 12:25:48  jorpiell
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 * Add the element collection
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 *
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 * Revision 1.1  2007/05/25 11:55:00  jorpiell
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 * First update
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 *
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 *
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 */
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/**
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 * @author Jorge Piera LLodr? (jorge.piera@iver.es)
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 */
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public class XSElementDeclarationImpl extends XSComponentImpl implements IXSElementDeclaration{
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        public XSElementDeclarationImpl(IXSSchema schema) {
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                super(schema);                
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        }
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        /**
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         * @return The element type
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         * @throws TypeNotFoundException 
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         */
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        public IXSTypeDefinition getTypeDefinition() throws TypeNotFoundException{
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                //If is defined in the same node
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                Iterator it = new SchemaCollection(getSchema(),getElement()).iterator();
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                it.hasNext();
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                Object type = it.next();
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                //If is defined in the same schema
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                if (type == null){
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                        type = getSchema().getTypeByName(getQName().getNamespaceURI(), 
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                                        getElement().getAttribute(SchemaTags.TYPE));
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                }
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                if (type != null){
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                        return (IXSTypeDefinition)type;
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                }
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                return null;
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        }
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        /*
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         * (non-Javadoc)
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         * @see org.gvsig.gpe.schema.som.IXSElementDeclaration#getTypeName()
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         */
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        public String getTypeName() {
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                return getElement().getAttribute(SchemaTags.TYPE);
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        }
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        /*
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         * (non-Javadoc)
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         * @see org.gvsig.gpe.schema.som.IXSElementDeclaration#isNillable()
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         */
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        public boolean isNillable() {
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                String nillable = getElement().getAttribute(SchemaTags.NILLABLE);
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                if (nillable != null){
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                        if (nillable.compareTo(SchemaTags.FALSE) == 0){
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                                return false;
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                        }
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                }
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                return true;
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        }        
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        /*
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         * (non-Javadoc)
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         * @see org.gvsig.gpe.schema.som.IXSElementDeclaration#getMaxOccurs()
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         */
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        public int getMaxOccurs() {
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                String maxOccurs = getElement().getAttribute(SchemaTags.MAX_OCCURS);
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                if (maxOccurs != null){
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                        return Integer.parseInt(maxOccurs);
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                }
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                return 0;
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        }
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        /*
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         * (non-Javadoc)
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         * @see org.gvsig.gpe.schema.som.IXSElementDeclaration#getMinOccurs()
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         */
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        public int getMinOccurs() {
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                String minOccurs = getElement().getAttribute(SchemaTags.MIN_OCCURS);
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                if (minOccurs != null){
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                        return Integer.parseInt(minOccurs);
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                }
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                return 0;
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        }
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        public IXSElementDeclaration getSubElementByName(String nodeName) {
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                try {
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                        if (getTypeDefinition() == null){
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                                return null;
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                        }
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                        Element element = getTypeDefinition().getElement();
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                        nodeName = nodeName.substring(nodeName.indexOf(":")+1,nodeName.length());
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                        Element newElement = searchNode(element, nodeName);
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                        if (newElement != null){
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                                XSElementDeclarationImpl childElement =  new XSElementDeclarationImpl(getSchema());
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                                childElement.setElement(newElement);
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                                return childElement;
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                        }
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                } catch (TypeNotFoundException e) {
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                        // TODO Auto-generated catch block
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                        e.printStackTrace();
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                }
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                return null;        
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        }
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        private Element searchNode(Element element, String nodeName){
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                NodeList nodeList = element.getChildNodes();
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                for (int i=0 ; i<nodeList.getLength() ; i++){
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                        Node node = nodeList.item(i);
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                                if(node.getNodeType() == Node.ELEMENT_NODE){
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                                Element childElement = (Element)node;                                
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                                if (SchemaUtils.matches(node, SchemaTags.XS_NS, SchemaTags.COMPLEX_CONTENT)){
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                                        return searchNode(childElement, nodeName);
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                                }else if (SchemaUtils.matches(node, SchemaTags.XS_NS, SchemaTags.EXTENSION)){
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                                        return searchNode(childElement, nodeName);
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                                }else if (SchemaUtils.matches(node, SchemaTags.XS_NS, SchemaTags.RESTRICTION)){
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                                        return searchNode(childElement, nodeName);
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                                }else if (SchemaUtils.matches(node, SchemaTags.XS_NS, SchemaTags.SEQUENCE)){
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                                        return searchNode(childElement, nodeName);
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                                }else if (SchemaUtils.matches(node, SchemaTags.XS_NS, SchemaTags.ALL)){
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                                        return searchNode(childElement, nodeName);
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                                }else if (SchemaUtils.matches(node, SchemaTags.XS_NS, SchemaTags.CHOICE)){
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                                        return searchNode(childElement, nodeName);
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                                }else if (SchemaUtils.matches(node, SchemaTags.XS_NS, SchemaTags.GROUP)){
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                                        return searchNode(childElement, nodeName);
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                                }                        
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                                if (childElement.getAttribute(SchemaTags.NAME).compareTo(nodeName) == 0){
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                                        return childElement;
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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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         * (non-Javadoc)
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         * @see org.gvsig.gpe.schema.som.IXSElementDeclaration#addComplexType(java.lang.String, java.lang.String, java.lang.String)
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         */
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        public IXSComplexTypeDefinition addComplexType(String type,
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                        String contentType, String contentTypeRestriction) {
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                Element eComplexType = getElementsFactory().createComplexType(
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                                getSchema(), 
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                                null,
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                                type,
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                                contentType,
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                                contentTypeRestriction);
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                addChildElement(eComplexType);
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                XSComplexTypeDefinitionImpl complexType = new XSComplexTypeDefinitionImpl(getSchema());
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                complexType.setElement(eComplexType);
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                return complexType;
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        }
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}