| gvSIG desktop 1

package org.gvsig.xmlschema.utils;

import java.util.Collection;

import java.util.Iterator;

import org.gvsig.xmlschema.exceptions.TypeNotFoundException;

import org.gvsig.xmlschema.som.IXSNode;

import org.gvsig.xmlschema.som.IXSSchema;

import org.w3c.dom.Element;

import org.w3c.dom.NodeList;

/* 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: SchemaCollection.java 12175 2007-06-14 16:15:05Z jorpiell $

 * $Log$

 * Revision 1.1  2007-06-14 16:15:03  jorpiell

 * builds to create the jars generated and add the schema code to the libGPEProject

 *

 * Revision 1.1  2007/06/14 13:50:07  jorpiell

 * The schema jar name has been changed

 *

 * Revision 1.5  2007/06/08 06:55:05  jorpiell

 * Fixed some bugs

 *

 * Revision 1.4  2007/06/07 14:54:13  jorpiell

 * Add the schema support

 *

 * Revision 1.3  2007/05/30 12:53:33  jorpiell

 * Not used libraries deleted

 *

 * Revision 1.2  2007/05/30 12:50:53  jorpiell

 * Refactoring of some duplicated methods

 *

 * Revision 1.1  2007/05/30 12:25:48  jorpiell

 * Add the element collection

 *

 *

 */

/**

 * This class represents the children from a 

 * DOM node

 * @author Jorge Piera LLodr? (jorge.piera@iver.es)

 */

public class SchemaCollection implements Collection{

        private Element element = null;        

        private SchemaObjectsMapping collectionTypes = null;

        private IXSSchema schema = null;

        public SchemaCollection(IXSSchema schema, Element element) {

                this.schema = schema;

                this.element = element;                

                this.collectionTypes = schema.getObjectsMapping();                

        }        

        public SchemaCollection(IXSSchema schema, Element element, SchemaObjectsMapping collectionTypes) {

                this.schema = schema;

                this.element = element;                

                this.collectionTypes = collectionTypes;                

        }        

        /**

         * Return the first element of the collection

         * @return

         */

        public IXSNode getFirstNode(){

                Iterator it = iterator();

                it.hasNext();

                Object obj = it.next();

                if (obj != null){

                        return (IXSNode)obj;

                }

                return null;

        }

        /*

         * (non-Javadoc)

         * @see java.util.Collection#add(java.lang.Object)

         */

        public boolean add(Object o) {

                if (o instanceof IXSNode){

                        element.appendChild(((IXSNode)o).getElement());

                        return true;

                }

                return false;

        }

        /*

         * (non-Javadoc)

         * @see java.util.Collection#addAll(java.util.Collection)

         */

        public boolean addAll(Collection c) {

                Iterator it = c.iterator();

                while (it.hasNext()){

                        Object obj = it.next();

                        if (!add(obj)){

                                return false;

                        }

                }

                return true;

        }

        /*

         * (non-Javadoc)

         * @see java.util.Collection#clear()

         */

        public void clear() {

                NodeList nl = element.getChildNodes();

                for(int i = 0; i < nl.getLength(); i++){

                        element.removeChild(nl.item(i));

                }                

        }

        /*

         * (non-Javadoc)

         * @see java.util.Collection#contains(java.lang.Object)

         */

        public boolean contains(Object o) {

                if (o instanceof IXSNode){

                        return false;

                }

                Element element = ((IXSNode)o).getElement();

                NodeList nl = element.getChildNodes();

                for(int i = 0; i < nl.getLength(); i++){

                        if (nl.item(i).equals(element)){

                                return true;

                        }

                }

                return false;

        }

        public boolean containsAll(Collection c) {

                throw new UnsupportedOperationException();        

        }

        /*

         * (non-Javadoc)

         * @see java.util.Collection#isEmpty()

         */

        public boolean isEmpty() {

                return element.getChildNodes().getLength() == 0;

        }

        /*

         * (non-Javadoc)

         * @see java.util.Collection#iterator()

         */

        public Iterator iterator() {

                return new SchemaIterator(element.getChildNodes(), collectionTypes);

        }

        /*

         * (non-Javadoc)

         * @see java.util.Collection#remove(java.lang.Object)

         */

        public boolean remove(Object o) {

                NodeList nl = element.getChildNodes();

                for(int i = 0; i < nl.getLength(); i++){

                        if (o.equals(nl.item(i))){

                                element.removeChild(nl.item(i));

                                return true;

                        }

                }        

                return false;

        }

        /*

         * (non-Javadoc)

         * @see java.util.Collection#removeAll(java.util.Collection)

         */

        public boolean removeAll(Collection c) {

                NodeList nl = element.getChildNodes();

                for(int i = 0; i < nl.getLength(); i++){

                        element.removeChild(nl.item(i));

                }        

                return true;

        }

        /*

         * (non-Javadoc)

         * @see java.util.Collection#retainAll(java.util.Collection)

         */

        public boolean retainAll(Collection c) {

                throw new UnsupportedOperationException();        

        }

        /*

         * (non-Javadoc)

         * @see java.util.Collection#size()

         */

        public int size() {

                int size = 0;

                Iterator it = collectionTypes.getTypes().iterator();

                while (it.hasNext()){

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

                        Element childElement = SchemaUtils.searchChildByTagName(element, type);

                        if (childElement != null){

                                size++;

                        }

                }

                return size;

        }

        /*

         * (non-Javadoc)

         * @see java.util.Collection#toArray()

         */

        public Object[] toArray() {

                throw new UnsupportedOperationException();        

        }

        /*

         * (non-Javadoc)

         * @see java.util.Collection#toArray(java.lang.Object[])

         */

        public Object[] toArray(Object[] a) {

                throw new UnsupportedOperationException();        

        }

        /**

         * Add a new type to the types collection

         * @param type

         * Type name that will be found in the XML file

         * @param clazz

         * Class used to create the object that envolves the element

         * @throws TypeNotFoundException

         */

        public void addType(String type, Class clazz) throws TypeNotFoundException{

                if (collectionTypes == null){

                        collectionTypes = new SchemaObjectsMapping(schema);

                }

                collectionTypes.addType(type, clazz);                

        }        

}