Package com.ongres.scram.common.stringprep

Class SaslPrep

  • public class SaslPrep
extends java.lang.Object

    • Constructor Detail

      • SaslPrep

        private SaslPrep()

    • Method Detail

      • saslPrep

        public static java.lang.String saslPrep​(java.lang.String str)
        Return the SASLPrep-canonicalised version of the given str for use as a query string. This implements the SASLPrep algorithm defined in RFC 4013.
        Parameters:
        str - The string to canonicalise.
        Returns:
        The canonicalised string.
        Throws:
        java.lang.IllegalArgumentException - if the string contained prohibited codepoints, or broke the requirements for bidirectional character handling.

      • prohibited

        static boolean prohibited​(int codepoint)
        Return true if the given codepoint is a prohibited character as defined by RFC 4013, Section 2.3.

      • tagging

        private static boolean tagging​(int codepoint)
        Return true if the given codepoint is a tagging character as defined by RFC 3454, Appendix C.9.

      • changeDisplayProperties

        private static boolean changeDisplayProperties​(int codepoint)
        Return true if the given codepoint is change display properties or deprecated characters as defined by RFC 3454, Appendix C.8.

      • inappropriateForCanonical

        private static boolean inappropriateForCanonical​(int codepoint)
        Return true if the given codepoint is inappropriate for canonical representation characters as defined by RFC 3454, Appendix C.7.

      • inappropriateForPlainText

        private static boolean inappropriateForPlainText​(int codepoint)
        Return true if the given codepoint is inappropriate for plain text characters as defined by RFC 3454, Appendix C.6.

      • surrogateCodePoint

        private static boolean surrogateCodePoint​(int codepoint)
        Return true if the given codepoint is a surrogate code point as defined by RFC 3454, Appendix C.5.

      • nonCharacterCodePoint

        private static boolean nonCharacterCodePoint​(int codepoint)
        Return true if the given codepoint is a non-character code point as defined by RFC 3454, Appendix C.4.

      • privateUse

        private static boolean privateUse​(int codepoint)
        Return true if the given codepoint is a private use character as defined by RFC 3454, Appendix C.3.

      • nonAsciiControl

        private static boolean nonAsciiControl​(int codepoint)
        Return true if the given ch is a non-ASCII control character as defined by RFC 3454, Appendix C.2.2.

      • asciiControl

        private static boolean asciiControl​(char ch)
        Return true if the given ch is an ASCII control character as defined by RFC 3454, Appendix C.2.1.

      • nonAsciiSpace

        private static boolean nonAsciiSpace​(char ch)
        Return true if the given ch is a non-ASCII space character as defined by RFC 3454, Appendix C.1.2.

      • mappedToNothing

        private static boolean mappedToNothing​(char ch)
        Return true if the given ch is a "commonly mapped to nothing" character as defined by RFC 3454, Appendix B.1.