| gvSIG desktop 1

/* gvSIG. Geographic Information System of the Valencian Government

*

* Copyright (C) 2007-2008 Infrastructures and Transports Department

* of the Valencian Government (CIT)

*

* 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., 51 Franklin Street, Fifth Floor, Boston,

* MA  02110-1301, USA.

*

*/

/*

* AUTHORS (In addition to CIT):

* 2009 IVER T.I   {{Task}}

*/

/**

 *

 */

package org.gvsig.tools.persistence.xml;

import java.io.InputStream;

import java.io.OutputStream;

import org.gvsig.tools.persistence.PersistenceException;

import org.gvsig.tools.persistence.PersistentState;

import org.gvsig.tools.persistence.impl.AbstractPersistenceManager;

import org.gvsig.tools.persistence.impl.ImplementationPersistentState;

import org.gvsig.tools.persistence.impl.PersistentContext;

import org.kxml2.io.KXmlParser;

import org.xmlpull.v1.XmlPullParserException;

/**

 * @author jmvivo

 *

 */

public class XMLPersistenceManager extends AbstractPersistenceManager {

        private static final String VERSION = "2.0.0";

        /* (non-Javadoc)

         * @see org.gvsig.tools.persistence.impl.AbstractPersistenceManager#createPersistentStateInstance(org.gvsig.tools.persistence.impl.PersistentContext)

         */

        public ImplementationPersistentState createPersistentStateInstance(

                        PersistentContext context) {

                return new XMLPersistentState(this, context);

        }

        /* (non-Javadoc)

         * @see org.gvsig.tools.persistence.PersistenceManager#loadState(java.io.Reader)

         */

        public PersistentState loadState(InputStream in)

                        throws PersistenceException {

                PersistentContext context = this.createPersistentContext();

                XMLPersistentStateReader xmlReader = getReaderInstance();

                // FIXME

                KXmlParser parser = new KXmlParser();

                try {

                        parser.setInput(in, null);

                } catch (XmlPullParserException e) {

                        throw new PersistenceException(e);

                }

                xmlReader.read(context, parser);

                return context.getRootState();

        }

        public void saveState(PersistentState state, OutputStream out)

                        throws PersistenceException {

                XMLPersistentStateWriter xmlWriter = getWriterInstance();

                xmlWriter.write((ImplementationPersistentState) state, out);

        }

        protected XMLPersistentStateReader getReaderInstance(){

                return new XMLPersistentStateReader(this);

        }

        protected XMLPersistentStateWriter getWriterInstance() {

                return new XMLPersistentStateWriter(this);

        }

        public String version() {

                return VERSION;

        }

}