| gvSIG desktop 1

/*

 * Created on 11-jul-2005

 *

 * 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

 */

package org.gvsig.datasources.impljme;

import java.io.IOException;

import java.nio.ByteOrder;

import org.apache.log4j.Logger;

import org.gvsig.datasources.common.IBigByteBuffer;

import org.gvsig.datasources.common.IRandomAccessFile;

import org.gvsig.datasources.common.IRandomFileChannel;

import es.prodevelop.gvsig.mobile.fmap.MapContext;

public class BigByteBufferJME implements IBigByteBuffer {

        private static Logger logger = Logger.getLogger(BigByteBufferJME.class);

        // private ByteBufferJME bigBuffer = null;

        private RandomFileChannelJME raf = null;

        private BigByteBufferJME(IRandomFileChannel ch, int m) throws IOException {

                // logger.debug("Instanciamos BigByteBufferJME: " + System.currentTimeMillis());

                if (ch instanceof RandomFileChannelJME) {

                        raf = (RandomFileChannelJME) ch;

                        // bigBuffer = new ByteBufferJME((int) aux.size());

                        // bigBuffer = aux.map(IRandomFileChannel.ACCESS_MODE_READ_ONLY, 0, 0);

                } else {

                        logger.error("Unexpected instance of IRandomFileChannel: " +

                        ch.getClass().getName());

                }

        }

        public void position(long p) {

                // logger.debug("IBigByteBufferJME, position(" + p + "): " + System.currentTimeMillis());

                try {

                        raf.position((int) p);

                } catch (IOException e) {

                        logger.error("While doing position in RAF: " + e.getMessage());

                }

                // bigBuffer.position((int) p);

        }

        public int position() {

                // logger.debug("IBigByteBufferJME, position() = :" + System.currentTimeMillis());

                int resp = 0;

                try {

                        resp = (int) raf.getPosition();

                } catch (IOException e) {

                        logger.error("While getting position in RAF: " + e.getMessage() + " (returned 0)");

                }

                return resp;

        }

        public byte get() {

                byte resp = 0;

                try {

                        resp = raf.get();

                } catch (IOException e) {

                        logger.error("While getting byte: " + e.getMessage());

                }

                return resp;

        }

        public byte getByte(int ind) {

                return raf.get(ind);

                // logger.debug("IBigByteBufferJME, getByte(" + ind + ") :" + System.currentTimeMillis());

                // return bigBuffer.get(ind);

        }

        public int getInt() {

                // logger.debug("IBigByteBufferJME, getInt() : " + System.currentTimeMillis());

                return raf.getInt();

                // return bigBuffer.getInt();

        }

        public short getShort() {

                return raf.getShort();

                // logger.debug("IBigByteBufferJME, getShort() :" + System.currentTimeMillis());

                // return bigBuffer.getShort();

        }

        public int getInt(int index) {

                // logger.debug("IBigByteBufferJME, getInt(" +  index + ") :" + System.currentTimeMillis());

                return raf.getInt(index);

        }

        public void get(byte[] out) {

                // logger.debug("IBigByteBufferJME, get(out, " +  out.length + " bytes) :" + System.currentTimeMillis());

                // bigBuffer.get(out);

                raf.get(out);

        }

        public double getDouble() {

                // logger.debug("IBigByteBufferJME, getDouble() :" + System.currentTimeMillis());

                return raf.getDouble();

        }

        public void order(ByteOrder o) {

                // logger.debug("IBigByteBufferJME, order() :" + System.currentTimeMillis());

                // bigBuffer.order(o);

                raf.order(o);

        }

}