Reads an 8 bit array length followed by the actual array data. - Java File Path IO

Description

Reads an 8 bit array length followed by the actual array data.

Demo Code

import java.io.IOException;
import java.io.InputStream;
import java.nio.ByteBuffer;
import java.util.Iterator;
import org.apache.log4j.Logger;

public class Main{
    /**/*from   www.j a  va2 s .  c  om*/
     * Reads an 8 bit array length followed by the actual array data.
     * 
     * @param buf
     * @return the array read
     */
    final static public byte[] readArray8(ByteBuffer buf) {
        int length = getUnsignedByte(buf);
        byte[] array = new byte[length];
        buf.get(array);
        return array;
    }
    /**
     * Returns 8 unsigned bits as an integer.
     * 
     * @param buf
     * @return
     */
    final public static int getUnsignedByte(ByteBuffer buf) {
        return ((int) buf.get()) & 0xff;
    }
}

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