Application: gvSIG desktop » gvSIG data provider for GPE

package org.gvsig.gpe.containers;

import java.io.IOException;

import java.util.HashMap;

import java.util.Iterator;

import javax.xml.namespace.QName;

import org.gvsig.gpe.parser.IAttributesIterator;

/* 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:

*

* $Id$

* $Log$

*

*/

/**

* @author Carlos S?nchez Peri??n

*/

public class AttributesIterator implements IAttributesIterator{

        private HashMap attributes;

        private Iterator keys = null;

        private QName currentAttibuteName = null;

        public AttributesIterator(QName name, Object value){

                attributes = new HashMap();

                attributes.put(name, value);

                initialize();

        }

        public AttributesIterator(QName[] names, String[] values){

                attributes = new HashMap();

                for (int i=0 ; i<names.length ; i++){

                        attributes.put(names[i], values[i]);

                }

                initialize();

        }        

        /*

         * (non-Javadoc)

         * @see org.gvsig.gpe.parser.IAttributesIterator#hasNext()

         */

        public boolean hasNext() throws IOException {

                currentAttibuteName = null;

                return (keys.hasNext());

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.gpe.parser.IAttributesIterator#getNumAttributes()

         */

        public int getNumAttributes() {

                return attributes.size();

        }

        /* (non-Javadoc)

         * @see org.gvsig.gpe.parser.IAttributesIterator#nextAttribute()

         */

        public Object nextAttribute() throws IOException {

                setAttributeName();

                return attributes.get(currentAttibuteName);        

        }

        /* (non-Javadoc)

         * @see org.gvsig.gpe.parser.IAttributesIterator#nextAttributeName()

         */

        public QName nextAttributeName() {

                setAttributeName();

                return currentAttibuteName;

        }

        private void setAttributeName(){

                if (currentAttibuteName == null){

                        currentAttibuteName = (QName)keys.next();

                }

        }

        /* (non-Javadoc)

         * @see org.gvsig.gpe.parser.IAttributesIterator#initialize()

         */

        public void initialize() {

                keys = attributes.keySet().iterator();                

        }

}