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org.apache.tomcat.util.buf
Class Ascii
java.lang.Objectorg.apache.tomcat.util.buf.Ascii
- public final class Ascii
- extends java.lang.Object
This class implements some basic ASCII character handling functions.
| Field Summary | |
private static boolean[] |
isAlpha
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private static boolean[] |
isDigit
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private static boolean[] |
isLower
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private static boolean[] |
isUpper
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private static boolean[] |
isWhite
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private static byte[] |
toLower
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private static byte[] |
toUpper
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| Constructor Summary | |
Ascii()
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| Method Summary | |
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 subarray of bytes. |
static int |
parseInt(char[] b,
int off,
int len)
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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)
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static int |
toLower(int c)
Returns the lower case equivalent of the specified ASCII character. |
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 |
| Field Detail |
toUpper
private static final byte[] toUpper
toLower
private static final byte[] toLower
isAlpha
private static final boolean[] isAlpha
isUpper
private static final boolean[] isUpper
isLower
private static final boolean[] isLower
isWhite
private static final boolean[] isWhite
isDigit
private static final boolean[] isDigit
| Constructor Detail |
Ascii
public Ascii()
| Method Detail |
toUpper
public static int toUpper(int c)
- 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
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(byte[] b,
int off,
int len)
throws java.lang.NumberFormatException
- Parses an unsigned integer from the specified subarray of bytes.
parseInt
public static int parseInt(char[] b,
int off,
int len)
throws java.lang.NumberFormatException
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.
parseLong
public static long parseLong(char[] b,
int off,
int len)
throws java.lang.NumberFormatException
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