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groovy.cli.Option

@Documented
@Retention(RetentionPolicy.RUNTIME)
@Target({ElementType.METHOD, ElementType.FIELD})
public @interface Option

Indicates that a method or property can be used to set a CLI option.

Element Summary

Optional Element Summary
Type	Name and Description
`Class`	`convert` A conversion closure to convert the incoming String into the desired object
`String`	`defaultValue` The default value for this option as a String; subject to type conversion and 'convert'.
`String`	`description` The description of this option
`String`	`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 multivalued option.

Inherited Methods Summary

Inherited Methods
Methods inherited from class	Name
`class Object`	`equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- Element Detail
  - public Class convert
    
    A conversion closure to convert the incoming String into the desired object
    Returns:
    the closure to convert this option's argument(s)
    Default:
    Undefined.CLASS.class
  - public String defaultValue
    
    The 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:
    ""
  - public String description
    
    The description of this option
    Returns:
    the description of this option
    Default:
    ""
  - public String longName
    
    The long name of this option. Defaults to the name of member being annotated.
    Returns:
    the long name of this option
    Default:
    ""
  - public int numberOfArguments
    
    How 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 if numberOfArgumentsString is set.
    Returns:
    the number of arguments
    Default:
    1
  - public String numberOfArgumentsString
    
    How many arguments this option has represented as a String. Only allowed for array-typed arguments. Overrides numberOfArguments if set. The special values of '+' means one or more and '*' as 0 or more.
    Returns:
    the number of arguments (as a String)
    Default:
    ""
  - public boolean optionalArg
    
    Whether 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
  - public String shortName
    
    The 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:
    ""
  - public String valueSeparator
    
    The value separator for this multivalued option. Only allowed for array-typed arguments.
    Returns:
    the value separator for this multivalued option
    Default:
    ""

Summary:
Optional

| Detail:
Element

[Java] Annotation Type Option

Element Summary

Inherited Methods Summary

Element Detail

public Class convert

public String defaultValue

public String description

public String longName

public int numberOfArguments

public String numberOfArgumentsString

public boolean optionalArg

public String shortName

public String valueSeparator