@Override
public void messageReceived(final ChannelHandlerContext ctx, final MessageEvent e)
throws Exception {
super.messageReceived(ctx, e);
final byte[] packet = getBufferBytes(e);
this.output.write(
joiner.join(
"\"" + timeFormatter.print(new DateTime()) + "\"",
"\"" + StringUtils.replaceNonPrintableAsciiCharacters(new String(packet)) + "\"",
"\"" + StringUtils.toHexString(packet) + "\"",
Long.toString(System.currentTimeMillis() / 1000)));
output.newLine();
output.flush();
}
/**
* Returns a printable (ASCII) String by constructing a new String of maximum length {@code
* maxLength} and calling {@link StringUtils#replaceNonPrintableAsciiCharacters(String)} on it.
*
* @param buffer the buffer to convert
* @param maxLength the maximum length of the input String for {@link
* StringUtils#replaceNonPrintableAsciiCharacters(String)}
* @return a printable String
*/
public static String toPrintableString(final ChannelBuffer buffer, int maxLength) {
int actualLength = buffer.readableBytes() < maxLength ? buffer.readableBytes() : maxLength;
final byte[] bytes = new byte[actualLength];
buffer.getBytes(buffer.readerIndex(), bytes, 0, actualLength);
return StringUtils.replaceNonPrintableAsciiCharacters(new String(bytes));
}