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generate random password in RandomUtil

This commit is contained in:
Marc Baloup 2022-01-23 16:17:44 +01:00
parent 3e360a1023
commit 24d2ecfa33
Signed by: marcbal
GPG Key ID: BBC0FE3ABC30B893
1 changed files with 30 additions and 0 deletions
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30
Core/src/main/java/fr/pandacube/lib/core/util/RandomUtil.java
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@ -24,6 +24,10 @@ public class RandomUtil {
return (arr == null || arr.isEmpty()) ? null : arr.get(rand.nextInt(arr.size()));
}
public static char stringChar(String arr) {
return (arr == null || arr.isEmpty()) ? '\0' : arr.charAt(rand.nextInt(arr.length()));
}
/**
* Returns a random value from a set.
*
@ -68,5 +72,31 @@ public class RandomUtil {
}
return frequencies.length - 1;
}
public static final String PASSWORD_CHARSET_LATIN_LOWERCASE = "abcdefghijklmnopqrstuvwxyz";
public static final String PASSWORD_CHARSET_LATIN_UPPERCASE = PASSWORD_CHARSET_LATIN_LOWERCASE.toUpperCase();
public static final String PASSWORD_CHARSET_DIGIT = "0123456789";
public static final String PASSWORD_CHARSET_SPECIAL = "@#+*/-;:,.?!='()[]{}&\"\\";
public static final String PASSWORD_CHARSET_NO_ANBIGUITY = "abcdefghkmnpqrstwxyzACDEFGHKLMNPQRSTWXYZ2345679";
public static String randomPassword(int length) {
return randomPassword(length, PASSWORD_CHARSET_NO_ANBIGUITY);
}
public static String randomPassword(int length, String charset) {
char[] pw = new char[length];
for (int i = 0; i < length; i++) {
pw[i] = stringChar(charset);
}
return String.valueOf(pw);
}
}