Application: gvSIG desktop

package org.gvsig.datasources.common;

import java.io.IOException;

import java.nio.ByteOrder;

/**

 * This inteface was created to  permit the share of code between JSE and JME when accessing

 * file data sources.

 * 

 * Each Java versioon will have to implement these methods with the available packages.

 * 

 * @author jldominguez

 *

 */

public interface IBigByteBuffer {

        /**

         * Moves file cursor to position p 

         * @param p the new position

         * @throws IOException 

         */

        public void position(long p);

        /**

         * 

         * @return current cursor position

         */

        public int position();

        /**

         * @return byte pointed by cursor then increases cursor

         */

        public byte get();

        /**

         * Gets one byte

         * @param ind index of the byte of interest 

         * @return the byte of interest

         */

        public byte getByte(int ind);

        /**

         * @return integer pointed by cursor then increases cursor

         */

        public int getInt();

        /**

         * @return short pointed by cursor then increases cursor

         */

        public short getShort();

        /**

         * Gets the integer at a certain position

         * @param index the index of interest

         * @return the integer at a certain position

         */

        public int getInt(int index);

        /**

         * Gets some bytes.

         * @param out the array of bytes to be filled

         */

        public void get(byte[] out);

        /**

         * @return double pointed by cursor then increases cursor

         */

        public double getDouble();

        /*

        private int getInt(final byte[] data, final int offset);

        private short getShort(final byte[] data, final int offset);

        private long getNumber(final byte[] data, final int offset, final int size);

        private double getDouble(final byte[] data, final int offset);

        */

        /**

         * Sets byte order (big endian, little endian)

         * @param o byte order (big endian, little endian)

         */

        public void order(ByteOrder o);

}