org.apache.tomcat.util.buf
Class Ascii

java.lang.Object
  org.apache.tomcat.util.buf.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

Ascii()

Method Summary

static boolean	isAlpha(int c) Deprecated. Unused. Will be removed in Tomcat 8.0.x onwards.
static boolean	isDigit(int c) Returns true if the specified ASCII character is a digit.
static boolean	isLower(int c) Deprecated. Unused. Will be removed in Tomcat 8.0.x onwards.
static boolean	isUpper(int c) Deprecated. Unused. Will be removed in Tomcat 8.0.x onwards.
static boolean	isWhite(int c) Deprecated. Unused. Will be removed in Tomcat 8.0.x onwards.
static int	parseInt(byte[] b, int off, int len) Deprecated. Unused. Will be removed in Tomcat 8.0.x onwards.
static int	parseInt(char[] b, int off, int len) Deprecated. Unused. Will be removed in Tomcat 8.0.x onwards.
static long	parseLong(byte[] b, int off, int len) Parses an unsigned long from the specified subarray of bytes.
static long	parseLong(char[] b, int off, int len) Deprecated. Unused. Will be removed in Tomcat 8.0.x onwards.
static int	toLower(int c) Returns the lower case equivalent of the specified ASCII character.
static int	toUpper(int c) Deprecated. Unused. Will be removed in Tomcat 8.0.x onwards.

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

toUpper

@Deprecated
public static int toUpper(int c)

Deprecated. Unused. Will be removed in Tomcat 8.0.x onwards.

Returns the upper case equivalent of the specified ASCII character.

toLower

public static int toLower(int c)

Returns the lower case equivalent of the specified ASCII character.

isAlpha

@Deprecated
public static boolean isAlpha(int c)

Deprecated. Unused. Will be removed in Tomcat 8.0.x onwards.

Returns true if the specified ASCII character is upper or lower case.

isUpper

@Deprecated
public static boolean isUpper(int c)

Deprecated. Unused. Will be removed in Tomcat 8.0.x onwards.

Returns true if the specified ASCII character is upper case.

isLower

@Deprecated
public static boolean isLower(int c)

Deprecated. Unused. Will be removed in Tomcat 8.0.x onwards.

Returns true if the specified ASCII character is lower case.

isWhite

@Deprecated
public static boolean isWhite(int c)

Deprecated. Unused. Will be removed in Tomcat 8.0.x onwards.

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

@Deprecated
public static int parseInt(byte[] b,
                                      int off,
                                      int len)
                    throws NumberFormatException

Deprecated. Unused. Will be removed in Tomcat 8.0.x onwards.

Parses an unsigned integer 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

Throws:

NumberFormatException - if the integer format was invalid

parseInt

@Deprecated
public static int parseInt(char[] b,
                                      int off,
                                      int len)
                    throws NumberFormatException

Deprecated. Unused. Will be removed in Tomcat 8.0.x onwards.

Throws:

NumberFormatException

parseLong

public static long parseLong(byte[] b,
                             int off,
                             int len)
                      throws 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

Throws:

NumberFormatException - if the long format was invalid

parseLong

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

Deprecated. Unused. Will be removed in Tomcat 8.0.x onwards.

Throws:

NumberFormatException