org.apache.commons.io
Class HexDump

java.lang.Object
  org.apache.commons.io.HexDump

public class HexDump
extends Object

Dumps data in hexadecimal format.

Provides a single function to take an array of bytes and display it in hexadecimal form.

Origin of code: POI.

Version:

$Id: HexDump.java 437680 2006-08-28 11:57:00Z scolebourne $

Field Summary

static String

EOL The line-separator (initializes to "line.separator" system property.

Constructor Summary

HexDump()
Instances should NOT be constructed in standard programming.

Method Summary

static void

dump(byte[] data, long offset, OutputStream stream, int index) Dump an array of bytes to an OutputStream.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

EOL

public static final String EOL

The line-separator (initializes to "line.separator" system property.

Constructor Detail

HexDump

public HexDump()

Instances should NOT be constructed in standard programming.

Method Detail

dump

public static void dump(byte[] data,
                        long offset,
                        OutputStream stream,
                        int index)
                 throws IOException,
                        ArrayIndexOutOfBoundsException,
                        IllegalArgumentException

Dump an array of bytes to an OutputStream.

Parameters:

data - the byte array to be dumped

offset - its offset, whatever that might mean

stream - the OutputStream to which the data is to be written

index - initial index into the byte array

Throws:

IOException - is thrown if anything goes wrong writing the data to stream

ArrayIndexOutOfBoundsException - if the index is outside the data array's bounds

IllegalArgumentException - if the output stream is null