Package org.apache.commons.cli
Class OptionValidator
java.lang.Object
org.apache.commons.cli.OptionValidator
Validates an Option string.
- Since:
- 1.1
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionprivate static boolean
isValidChar
(char c) Returns whether the specified character is a valid character.private static boolean
isValidOpt
(char c) Returns whether the specified character is a valid Option.(package private) static String
Validates whetheropt
is a permissible Option shortOpt.
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Constructor Details
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OptionValidator
OptionValidator()
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Method Details
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isValidChar
private static boolean isValidChar(char c) Returns whether the specified character is a valid character.- Parameters:
c
- the character to validate- Returns:
- true if
c
is a letter.
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isValidOpt
private static boolean isValidOpt(char c) Returns whether the specified character is a valid Option.- Parameters:
c
- the option to validate- Returns:
- true if
c
is a letter, '?' or '@', otherwise false.
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validate
Validates whetheropt
is a permissible Option shortOpt. The rules that specify if theopt
is valid are:- a single character
opt
that is either ' '(special case), '?', '@' or a letter - a multi character
opt
that only contains letters.
In case
opt
isnull
no further validation is performed.- Parameters:
option
- The option string to validate, may be null- Throws:
IllegalArgumentException
- if the Option is not valid.
- a single character
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