Application: gvSIG desktop

package org.gvsig.remoteClient.gml.factories;

import java.io.IOException;

import java.util.Hashtable;

import java.util.Iterator;

import java.util.Map;

import java.util.Set;

import java.util.Vector;

import org.gvsig.remoteClient.gml.schemas.IXMLType;

import org.gvsig.remoteClient.gml.schemas.XMLComplexType;

import org.gvsig.remoteClient.gml.schemas.XMLElement;

import org.gvsig.remoteClient.gml.schemas.XMLSchemaParser;

import org.xmlpull.v1.XmlPullParserException;

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

/* CVS MESSAGES:

 *

 * $Id: XMLElementsFactory.java 9531 2007-01-03 17:07:37Z  $

 * $Log$

 * Revision 1.1.2.4  2006-11-20 08:58:17  jorpiell

 * Una excepci?n no capturada

 *

 * Revision 1.1.2.3  2006/11/17 11:38:03  ppiqueras

 * Corregidos bugs y a?adida nueva funcionalidad. Del HEAD.

 *

 * Revision 1.3  2006/11/16 13:27:12  jorpiell

 * El getElement les asocia al los hijos el padre correspondiente

 *

 * Revision 1.2  2006/10/10 12:52:28  jorpiell

 * Soporte para features complejas.

 *

 * Revision 1.1  2006/08/10 12:00:49  jorpiell

 * Primer commit del driver de Gml

 *

 *

 */

/**

 * The XML "element" is an XML tag of a XSD schema and represent

 * a simple "element" or "object". One element has its name and 

 * the data type that contains (and the data)

 * 

 * @author Jorge Piera Llodr? (piera_jor@gva.es)

 */

public class XMLElementsFactory {

        private static Hashtable elements = new Hashtable();

        public static XMLElement getElement(String name){

                if (name == null){

                        return null;

                }

                XMLElement element = (XMLElement)elements.get(name.toUpperCase());

                setParentNode(element);

                return element;

        }

        private static void setParentNode(XMLElement element){

                if (element.getEntityType() != null){

                        if (element.getEntityType().getType() == IXMLType.COMPLEX){

                                Vector attributes = ((XMLComplexType)element.getEntityType()).getAttributes();

                                for (int i=0 ; i<attributes.size() ; i++){

                                        XMLElement child = (XMLElement)attributes.get(i);

                                        child.setParentElement(element);

                                        setParentNode(child);

                                }

                        }        

                }

        }

        /**

         * It parses the element and register it

         * @param schema

         * Schema parser that contains a "element"

         * @return

         */

        public static XMLElement addType(XMLSchemaParser schema){

                XMLElement element;

                try {

                        element = new XMLElement(schema);

                        if (element.getName() != null){

                                elements.put(element.getName().toUpperCase(),element);

                        }

                        return element;

                } catch (XmlPullParserException e) {

                        // TODO Auto-generated catch block

                        e.printStackTrace();

                } catch (IOException e) {

                        // TODO Auto-generated catch block

                        e.printStackTrace();

                }

                return null;

        }

        /**

         * Just for degug. It prints all the registred components.

         */

        public static void printEntities(){

                System.out.println("*** ELEMENTOS ***");

                Object[] keys = elements.keySet().toArray();

                for (int i=0 ; i<elements.size() ; i++){

                        XMLElement entity = (XMLElement)elements.get(keys[i]);

                        printEntity(entity,0);                        

                }

        }

        public static void printEntity(XMLElement entity,int level){

                String tab = "";

                for (int i=0 ; i<level ; i++){

                        tab = tab + "\t";

                }

                System.out.print(tab + "NAME: " + entity.getName());

                if (entity.getEntityType() != null){

                        System.out.print(" TYPE: " + entity.getEntityType().getName() + "\n");

                        if (entity.getEntityType().getType() == IXMLType.COMPLEX){

                                Map children = ((XMLComplexType)entity.getEntityType()).getSubtypes();

                                Set childrenKeys = children.keySet();

                                Iterator it = childrenKeys.iterator();

                                level++;

                                while(it.hasNext()){

                                        String child = (String)it.next();

                                        XMLElement eChild = (XMLElement)children.get(child);

                                        printEntity(eChild,level);        

                                }

                        }

                }else{

                        System.out.print(" TYPE: ERROR \n");

                }

        }

}