- notNull
Throw exception if parameter is null. Name parameter can be formatted as
accepted by String#format(S
- isTrue
Test if given boolean condition is true and throw exception if not. Exception
message is that suppli
- notNullOrEmpty
Test if array parameter is not null or empty.
- isDirectory
Check if file parameter is an existing directory. This validator throws illegal
argument if given fi
- empty
Test if collection parameter is strictly empty, that is, not null but empty.
- isFalse
Test if given boolean condition is false and throw exception if not. Exception
message is that suppl
- isFile
Check if file parameter is an existing ordinary file, not a directory. This
validator throws illegal
- isNumeric
Check if string parameter is numeric. This validator throws illegal argument if
parameter value is n
- notEmpty
Test if string parameter is strict not empty. If parameter to test is null this
test method does not
- positive
Test if numeric parameter is positive or zero.
- range
Test if numeric parameter is in a given range. Parameter is considered in range
if is greater or equ