Class DERNumericString

  • All Implemented Interfaces:
    ASN1Encodable, ASN1String, Encodable

    public class DERNumericString
    extends ASN1Primitive
    implements ASN1String
    DER NumericString object - this is an ascii string of characters {0,1,2,3,4,5,6,7,8,9, }. ASN.1 NUMERIC-STRING object.

    This is an ASCII string of characters {0,1,2,3,4,5,6,7,8,9} + space.

    See X.680 section 37.2.

    Explicit character set escape sequences are not allowed.

    • Constructor Detail

      • DERNumericString

        public DERNumericString​(java.lang.String string)
        Basic constructor - without validation..
      • DERNumericString

        public DERNumericString​(java.lang.String string,
                                boolean validate)
        Constructor with optional validation.
        Parameters:
        string - the base string to wrap.
        validate - whether or not to check the string.
        Throws:
        java.lang.IllegalArgumentException - if validate is true and the string contains characters that should not be in a NumericString.
    • Method Detail

      • getInstance

        public static DERNumericString getInstance​(java.lang.Object obj)
        Return a Numeric string from the passed in object
        Parameters:
        obj - a DERNumericString or an object that can be converted into one.
        Returns:
        a DERNumericString instance, or null
        Throws:
        java.lang.IllegalArgumentException - if the object cannot be converted.
      • getInstance

        public static DERNumericString getInstance​(ASN1TaggedObject obj,
                                                   boolean explicit)
        Return an Numeric String from a tagged object.
        Parameters:
        obj - the tagged object holding the object we want
        explicit - true if the object is meant to be explicitly tagged false otherwise.
        Returns:
        a DERNumericString instance, or null.
        Throws:
        java.lang.IllegalArgumentException - if the tagged object cannot be converted.
      • getString

        public java.lang.String getString()
        Description copied from interface: ASN1String
        Return a Java String representation of this STRING type's content.
        Specified by:
        getString in interface ASN1String
        Returns:
        a Java String representation of this STRING.
      • toString

        public java.lang.String toString()
        Overrides:
        toString in class java.lang.Object
      • getOctets

        public byte[] getOctets()
      • isNumericString

        public static boolean isNumericString​(java.lang.String str)
        Return true if the string can be represented as a NumericString ('0'..'9', ' ')
        Parameters:
        str - string to validate.
        Returns:
        true if numeric, fale otherwise.