Java ByteBuffer to String toText(ByteBuffer data, StringBuilder result, int cnt)

Description

Gets last cnt read bytes from the data buffer and puts into result buffer in special format:

• if byte represents char from partition 0x1F to 0x80 (which are normal ascii chars) then it's put into buffer as it is
• otherwise dot is put into buffer

License

Open Source License

Parameter

Parameter	Description
data	a parameter
result	a parameter
cnt	a parameter

Declaration

private static void toText(ByteBuffer data, StringBuilder result, int cnt) 

Method Source Code

//package com.java2s;
import java.nio.ByteBuffer;

public class Main {
    /**/*from   ww w.j  a  va 2  s .c  o  m*/
     * Gets last <tt>cnt</tt> read bytes from the <tt>data</tt> buffer and puts into <tt>result</tt> buffer in special
     * format:
     * <ul>
     * <li>if byte represents char from partition 0x1F to 0x80 (which are normal ascii chars) then it's put into buffer as
     * it is</li>
     * <li>otherwise dot is put into buffer</li>
     * </ul>
     *
     * @param data
     * @param result
     * @param cnt
     */
    private static void toText(ByteBuffer data, StringBuilder result, int cnt) {
        int charPos = data.position() - cnt;
        for (int a = 0; a < cnt; a++) {
            int c = data.get(charPos++);
            if (c > 0x1f && c < 0x80)
                result.append((char) c);
            else
                result.append('.');
        }
    }
}

Related

1. toString(final ByteBuffer buffer)
2. toString(final ByteBuffer buffer)
3. toString(final ByteBuffer buffer)
4. toStringBinary(ByteBuffer buf)
5. toStringBinary(ByteBuffer buf)
6. toTextAll(ByteBuffer bytes)