get Int from ByteBuffer by ByteOrder - Java java.nio

Java examples for java.nio:ByteBuffer Int

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Description

get Int from ByteBuffer by ByteOrder

Demo Code

/*//from  w  w  w .  j  a  v a2s.c  o m
Copyright (c) 2005 Health Market Science, Inc.

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.

This library 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
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
USA

You can contact Health Market Science at info@healthmarketscience.com
or at the following address:

Health Market Science
2700 Horizon Drive
Suite 200
King of Prussia, PA 19406
 */
//package com.java2s;

import java.nio.ByteBuffer;
import java.nio.ByteOrder;

public class Main {
    /**
     * @param buffer Buffer containing the bytes
     * @param order  the order of the bytes of the int
     * @return an int from the current position in the given buffer, read using
     *         the given ByteOrder
     */
    public static int getInt(ByteBuffer buffer, ByteOrder order) {
        int offset = buffer.position();
        int rtn = getInt(buffer, offset, order);
        buffer.position(offset + 4);
        return rtn;
    }

    /**
     * @param buffer Buffer containing the bytes
     * @param offset Offset at which to start reading the int
     * @param order  the order of the bytes of the int
     * @return an int from the given position in the given buffer, read using
     *         the given ByteOrder
     */
    public static int getInt(ByteBuffer buffer, int offset, ByteOrder order) {
        ByteOrder origOrder = buffer.order();
        try {
            return buffer.order(order).getInt(offset);
        } finally {
            buffer.order(origOrder);
        }
    }
}

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