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/**
* *****************************************************************************
*
* Design and Development by msg Applied Technology Research Copyright (c) 2019-2020 msg systems
* ag (http://www.msg-systems.com/) All Rights Reserved.
*
*
Permission is hereby granted, free of charge, to any person obtaining a copy of this software
* and associated documentation files (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge, publish, distribute,
* sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
*
The above copyright notice and this permission notice shall be included in all copies or
* substantial portions of the Software.
*
*
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*
****************************************************************************
*/
package com.graphqlio.uuid.helpers;
import com.graphqlio.uuid.domain.TypeFormat;
/**
* A2HS helper to format UUID into text.
*
* @author Michael Schüfer
* @author Ahmed Amedlous
* @author Dr. Edgar Müller
*/
public class A2HS {
/**
* API method: format UUID into usual textual representation.
*
* @param type the type of the uuid to be format
* @param uuid the uuid to be format
* @return the result as a string from the uuid
* @throws Exception (mabe thrown by getZ85Encode)
*/
public static String format(String type, long[] uuid) throws Exception {
String str = "";
String[] arr;
if (type == TypeFormat.Z85.getTypeFormat()) {
str = Encode.getZ85Encode(uuid, 16);
} else if (type == TypeFormat.B16.getTypeFormat()) {
arr = new String[32];
getA2hs(uuid, 0, 15, true, arr, 0);
// Convert Array to String
StringBuilder sbf = new StringBuilder();
for (int i = 0; i < arr.length; i++) {
if (arr[i] != null) {
sbf.append(arr[i]);
}
}
str = sbf.toString();
} else if (type == TypeFormat.VIDE.getTypeFormat() || type == TypeFormat.STD.getTypeFormat()) {
arr = new String[32];
getA2hs(uuid, 0, 3, false, arr, 0);
arr[8] = "-";
getA2hs(uuid, 4, 5, false, arr, 9);
arr[13] = "-";
getA2hs(uuid, 6, 7, false, arr, 14);
arr[18] = "-";
getA2hs(uuid, 8, 9, false, arr, 19);
arr[23] = "-";
getA2hs(uuid, 10, 15, false, arr, 24);
str = convertTabToString(arr);
}
return str;
}
/**
* array to hex-string conversion.
*
* @param bytes the array of the input bytes
* @param begin the begin of the initial array bytes to convert
* @param end the end of the initial array bytes to convert
* @param uppercase if {@code true}, return uppercase of all letters.
* @param str string to convert
* @param pos position of the string
* @return the result as a string from the uuid
*/
private static String[] getA2hs(
long[] bytes, int begin, int end, boolean uppercase, String[] str, int pos) {
for (int i = begin; i <= end; i++) {
if (mkNum(bytes[i], uppercase) != null) {
str[pos++] = mkNum(bytes[i], uppercase);
}
}
return str;
}
private static String mkNum(long num, boolean uppercase) {
String base16 = Long.toHexString(num); // num.toString(16);
if (base16.length() < 2) {
base16 = "0" + base16;
}
if (uppercase) {
base16 = base16.toUpperCase();
}
return base16;
}
/**
* converts an string array to a string.
*
* @param arr array of the string to convert
* @return the convertion result of the string
*/
private static String convertTabToString(String[] arr) {
String tabToString = "";
for (int i = 0; i < arr.length; i++) {
if (arr[i] != null) {
tabToString = tabToString + arr[i];
}
}
return tabToString;
}
}