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com.rabbitmq.jms.util.HexDisplay Maven / Gradle / Ivy
/* Copyright (c) 2013-2020 VMware, Inc. or its affiliates. All rights reserved. */
package com.rabbitmq.jms.util;
public class HexDisplay {
/** ---------------------------------------- XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX | cccccccccccccccc */
private static final String LineTemplate = " | ";
private static final int IndexFirstChar = 43; // |
private static final char[] HEXCHARS = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'};
private static final char[] SAFECHARS = {'.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.',
'.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.',
' ', '!', '"', '#', '$', '%', '&', '\'', '(', ')', '*', '+', ',', '-', '.', '/',
'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', ':', ';', '<', '=', '>', '?',
'@', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', '[', '\\', ']', '^', '_',
'`', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', '{', '|', '}', '~', '.'};
public static final void decodeByteArrayIntoStringBuilder(byte[] buf, StringBuilder bufferOutput) {
StringBuilder lineBuf = new StringBuilder();
for (int startOfLine=0; startOfLine>4) & 0x0F]);
lineBuf.setCharAt(pos, HEXCHARS[ b & 0x0F]);
}
private static final char safeChar(byte b) {
return SAFECHARS[b<0 ? 0 : b];
}
private static final int displayPosOfHiHex(int i) {
return (i/2)*5 + (i%2 == 0 ? 1 : 3);
}
private static final int min(int a, int b) {
return a
