Package org.apache.tomcat.util.buf

Class Ascii

  • public final class Ascii
extends java.lang.Object
    This class implements some basic ASCII character handling functions.
    Author:
    dac@eng.sun.com, James Todd [gonzo@eng.sun.com]

    • Constructor Summary

      Constructors 
      Constructor Description
      Ascii()  

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static long parseLong​(byte[] b, int off, int len)
      Parses an unsigned long from the specified subarray of bytes.
      static int toLower​(int c)
      Returns the lower case equivalent of the specified ASCII character.

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • Ascii

        public Ascii()

    • Method Detail

      • toLower

        public static int toLower​(int c)
        Returns the lower case equivalent of the specified ASCII character.
        Parameters:
        c - The char
        Returns:
        the lower case equivalent char

      • parseLong

        public static long parseLong​(byte[] b,
                             int off,
                             int len)
                      throws java.lang.NumberFormatException
        Parses an unsigned long from the specified subarray of bytes.
        Parameters:
        b - the bytes to parse
        off - the start offset of the bytes
        len - the length of the bytes
        Returns:
        the long value
        Throws:
        java.lang.NumberFormatException - if the long format was invalid