Package groovy.cli
Annotation Type Option
@Documented @Retention(RUNTIME) @Target({METHOD,FIELD}) public @interface Option
Indicates that a method or property can be used to set a CLI option.
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Optional Element Summary
Optional Elements Modifier and Type Optional Element Description Class
convert
A conversion closure to convert the incoming String into the desired objectString
defaultValue
The default value for this option as a String; subject to type conversion and 'convert'.String
description
The description of this optionString
longName
The long name of this option.int
numberOfArguments
How many arguments this option has.String
numberOfArgumentsString
How many arguments this option has represented as a String.boolean
optionalArg
Whether this option can have an optional argument.String
shortName
The short name of this option.String
valueSeparator
The value separator for this multi-valued option.
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Element Details
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description
String descriptionThe description of this option- Returns:
- the description of this option
- Default:
- ""
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shortName
String shortNameThe short name of this option. Defaults to the name of member being annotated if the longName is empty.- Returns:
- the short name of this option
- Default:
- ""
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longName
String longNameThe long name of this option. Defaults to the name of member being annotated.- Returns:
- the long name of this option
- Default:
- ""
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valueSeparator
String valueSeparatorThe value separator for this multi-valued option. Only allowed for array-typed arguments.- Returns:
- the value separator for this multi-valued option
- Default:
- ""
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optionalArg
boolean optionalArgWhether this option can have an optional argument. Only supported for array-typed arguments to indicate that the array may be empty.- Returns:
- true if this array-typed option can have an optional argument (i.e. could be empty)
- Default:
- false
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numberOfArguments
int numberOfArgumentsHow many arguments this option has. A value greater than 1 is only allowed for array-typed arguments. Ignored for boolean options which are assumed to have a default of 0 or ifnumberOfArgumentsString
is set.- Returns:
- the number of arguments
- Default:
- 1
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numberOfArgumentsString
String numberOfArgumentsStringHow many arguments this option has represented as a String. Only allowed for array-typed arguments. OverridesnumberOfArguments
if set. The special values of '+' means one or more and '*' as 0 or more.- Returns:
- the number of arguments (as a String)
- Default:
- ""
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defaultValue
String defaultValueThe default value for this option as a String; subject to type conversion and 'convert'. Ignored for Boolean options.- Returns:
- the default value for this option
- Default:
- ""
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convert
Class convertA conversion closure to convert the incoming String into the desired object- Returns:
- the closure to convert this option's argument(s)
- Default:
- groovy.transform.Undefined.CLASS.class
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