Package org.eclipse.rdf4j.common.text

Class ASCIIUtil

java.lang.Object
org.eclipse.rdf4j.common.text.ASCIIUtil
public class ASCIIUtil extends Object
Utility methods for ASCII character checking.

  • Constructor Summary

    Constructors
    Constructor
    Description
    ASCIIUtil()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    static boolean
    isHex(int c)
    Check whether the supplied character is a Hexadecimal character.
    static boolean
    isLetter(int c)
    Checks whether the supplied character is a letter.
    static boolean
    isLetterOrNumber(int c)
    Checks whether the supplied character is a letter or number.
    static boolean
    isLowerCaseLetter(int c)
    Checks whether the supplied character is an lower-case letter.
    static boolean
    isNumber(int c)
    Checks whether the supplied character is a number.
    static boolean
    isUpperCaseLetter(int c)
    Checks whether the supplied character is an upper-case letter.

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Constructor Details

    • ASCIIUtil

      public ASCIIUtil()

  • Method Details

    • isLetterOrNumber

      public static boolean isLetterOrNumber(int c)
      Checks whether the supplied character is a letter or number.
      Parameters:
      c - character
      Returns:
      true if the character is a letter or a number
      See Also:

    • isLetter

      public static boolean isLetter(int c)
      Checks whether the supplied character is a letter.
      Parameters:
      c - character
      Returns:
      true if the character is in the range [a-z] or [A-Z]

    • isUpperCaseLetter

      public static boolean isUpperCaseLetter(int c)
      Checks whether the supplied character is an upper-case letter.
      Parameters:
      c - character
      Returns:
      true if the character is in the range [A-Z]

    • isLowerCaseLetter

      public static boolean isLowerCaseLetter(int c)
      Checks whether the supplied character is an lower-case letter.
      Parameters:
      c - character
      Returns:
      true if the character is in the range [a-z]

    • isNumber

      public static boolean isNumber(int c)
      Checks whether the supplied character is a number.
      Parameters:
      c - character
      Returns:
      true if the character is in the range [0-9]

    • isHex

      public static boolean isHex(int c)
      Check whether the supplied character is a Hexadecimal character.
      Parameters:
      c - character
      Returns:
      true if c is a hexadecimal character, false otherwise.