Module org.glassfish.grizzly.http
Package org.glassfish.grizzly.http.util

Class Ascii

java.lang.Object
org.glassfish.grizzly.http.util.Ascii
public final class Ascii extends 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

    Modifier and Type
    Method
    Description
    static void
    intToHexString(org.glassfish.grizzly.Buffer buffer, int i)
     
    static void
    intToUnsignedString(org.glassfish.grizzly.Buffer buffer, int value, int shift)
    Convert the integer to an unsigned number.
    static boolean
    isAlpha(int c)
    Returns true if the specified ASCII character is upper or lower case.
    static boolean
    isDigit(int c)
    Returns true if the specified ASCII character is a digit.
    static boolean
    isLower(int c)
    Returns true if the specified ASCII character is lower case.
    static boolean
    isUpper(int c)
    Returns true if the specified ASCII character is upper case.
    static boolean
    isWhite(int c)
    Returns true if the specified ASCII character is white space.
    static int
    parseInt(byte[] b, int off, int len)
    Parses an unsigned integer from the specified sub-array of bytes.
    static int
    parseInt(char[] b, int off, int len)
     
    static int
    parseInt(String s, int off, int len)
     
    static int
    parseInt(org.glassfish.grizzly.Buffer b, int off, int len)
    Parses an unsigned int from the specified sub-array of bytes.
    static int
    parseInt(DataChunk dataChunk)
    Parses an unsigned integer from the specified DataChunk.
    static int
    parseInt(DataChunk dataChunk, int offset, int length)
    Parses an unsigned integer from the specified part of DataChunk.
    static long
    parseLong(byte[] b, int off, int len)
    Parses an unsigned long from the specified sub-array of bytes.
    static long
    parseLong(char[] b, int off, int len)
     
    static long
    parseLong(String s, int off, int len)
     
    static long
    parseLong(org.glassfish.grizzly.Buffer b, int off, int len)
    Parses an unsigned long from the specified sub-array of bytes.
    static long
    parseLong(DataChunk dataChunk)
     
    static long
    parseLong(DataChunk dataChunk, int offset, int length)
     
    static void
    toLower(byte[] bytes)
    Converts passed bytes (representing ASCII characters) to the lower case equivalent.
    static int
    toLower(int c)
    Returns the lower case equivalent of the specified ASCII character.
    static void
    toUpper(byte[] bytes)
    Converts passed bytes (representing ASCII characters) to the upper case equivalent.
    static int
    toUpper(int c)
    Returns the upper 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 Details

    • Ascii

      public Ascii()

  • Method Details

    • toUpper

      public static int toUpper(int c)
      Returns the upper case equivalent of the specified ASCII character.

    • toUpper

      public static void toUpper(byte[] bytes)
      Converts passed bytes (representing ASCII characters) to the upper case equivalent.

    • toLower

      public static int toLower(int c)
      Returns the lower case equivalent of the specified ASCII character.

    • toLower

      public static void toLower(byte[] bytes)
      Converts passed bytes (representing ASCII characters) to the lower case equivalent.

    • isAlpha

      public static boolean isAlpha(int c)
      Returns true if the specified ASCII character is upper or lower case.

    • isUpper

      public static boolean isUpper(int c)
      Returns true if the specified ASCII character is upper case.

    • isLower

      public static boolean isLower(int c)
      Returns true if the specified ASCII character is lower case.

    • isWhite

      public static boolean isWhite(int c)
      Returns true if the specified ASCII character is white space.

    • isDigit

      public static boolean isDigit(int c)
      Returns true if the specified ASCII character is a digit.

    • parseInt

      public static int parseInt(DataChunk dataChunk)
      Parses an unsigned integer from the specified DataChunk.
      Parameters:
      dataChunk - the DataChunk
      Throws:
      NumberFormatException - if the integer format was invalid

    • parseInt

      public static int parseInt(DataChunk dataChunk, int offset, int length)
      Parses an unsigned integer from the specified part of DataChunk.
      Parameters:
      dataChunk - the DataChunk
      offset - the start offset
      length - the length
      Throws:
      NumberFormatException - if the integer format was invalid

    • parseInt

      public static int parseInt(byte[] b, int off, int len) throws NumberFormatException
      Parses an unsigned integer from the specified sub-array of bytes.
      Parameters:
      b - the bytes to parse
      off - the start offset of the bytes
      len - the length of the bytes
      Throws:
      NumberFormatException - if the integer format was invalid

    • parseInt

      public static int parseInt(char[] b, int off, int len) throws NumberFormatException
      Throws:
      NumberFormatException

    • parseInt

      public static int parseInt(org.glassfish.grizzly.Buffer b, int off, int len) throws NumberFormatException
      Parses an unsigned int from the specified sub-array of bytes.
      Parameters:
      b - the Buffer to parse
      off - the start offset of the bytes
      len - the length of the bytes
      Throws:
      NumberFormatException - if the long format was invalid

    • parseInt

      public static int parseInt(String s, int off, int len) throws NumberFormatException
      Throws:
      NumberFormatException

    • parseLong

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

    • parseLong

      public static long parseLong(char[] b, int off, int len) throws NumberFormatException
      Throws:
      NumberFormatException

    • parseLong

      public static long parseLong(String s, int off, int len) throws NumberFormatException
      Throws:
      NumberFormatException

    • parseLong

      public static long parseLong(org.glassfish.grizzly.Buffer b, int off, int len) throws NumberFormatException
      Parses an unsigned long from the specified sub-array of bytes.
      Parameters:
      b - the Buffer to parse
      off - the start offset of the bytes
      len - the length of the bytes
      Throws:
      NumberFormatException - if the long format was invalid

    • parseLong

      public static long parseLong(DataChunk dataChunk)

    • parseLong

      public static long parseLong(DataChunk dataChunk, int offset, int length)

    • intToHexString

      public static void intToHexString(org.glassfish.grizzly.Buffer buffer, int i)

    • intToUnsignedString

      public static void intToUnsignedString(org.glassfish.grizzly.Buffer buffer, int value, int shift)
      Convert the integer to an unsigned number.