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Class gnu.getopt.LongOpt
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Class gnu.getopt.LongOpt
java.lang.Object
|
+----gnu.getopt.LongOpt
- public class LongOpt
- extends Object
This object represents the definition of a long option in the Java port
of GNU getopt. An array of LongOpt objects is passed to the Getopt
object to define the list of valid long options for a given parsing
session. Refer to the getopt documentation for details on the
format of long options.
- Version:
- 1.0.3
- Author:
- Aaron M. Renn ([email protected])
- See Also:
- Getopt
-
NO_ARGUMENT
- Constant value used for the "has_arg" constructor argument.
-
OPTIONAL_ARGUMENT
- Constant value used for the "has_arg" constructor argument.
-
REQUIRED_ARGUMENT
-
Constant value used for the "has_arg" constructor argument.
-
LongOpt(String, int, StringBuffer, int)
- Create a new LongOpt object with the given parameter values.
-
getFlag()
- Returns the value of the 'flag' field for this long option
-
getHasArg()
- Returns the value set for the 'has_arg' field for this long option
-
getName()
- Returns the name of this LongOpt as a String
-
getVal()
- Returns the value of the 'val' field for this long option
NO_ARGUMENT
public static final int NO_ARGUMENT
- Constant value used for the "has_arg" constructor argument. This
value indicates that the option takes no argument.
REQUIRED_ARGUMENT
public static final int REQUIRED_ARGUMENT
- Constant value used for the "has_arg" constructor argument. This
value indicates that the option takes an argument that is required.
OPTIONAL_ARGUMENT
public static final int OPTIONAL_ARGUMENT
- Constant value used for the "has_arg" constructor argument. This
value indicates that the option takes an argument that is optional.
LongOpt
public LongOpt(String name,
int has_arg,
StringBuffer flag,
int val) throws IllegalArgumentException
- Create a new LongOpt object with the given parameter values. If the
value passed as has_arg is not valid, then an exception is thrown.
- Parameters:
- name - The long option String.
- has_arg - Indicates whether the option has no argument (NO_ARGUMENT), a required argument (REQUIRED_ARGUMENT) or an optional argument (OPTIONAL_ARGUMENT).
- flag - If non-null, this is a location to store the value of "val" when this option is encountered, otherwise "val" is treated as the equivalent short option character.
- val - The value to return for this long option, or the equivalent single letter option to emulate if flag is null.
- Throws: IllegalArgumentException
- If the has_arg param is not one of NO_ARGUMENT, REQUIRED_ARGUMENT or OPTIONAL_ARGUMENT.
getName
public String getName()
- Returns the name of this LongOpt as a String
- Returns:
- Then name of the long option
getHasArg
public int getHasArg()
- Returns the value set for the 'has_arg' field for this long option
- Returns:
- The value of 'has_arg'
getFlag
public StringBuffer getFlag()
- Returns the value of the 'flag' field for this long option
- Returns:
- The value of 'flag'
getVal
public int getVal()
- Returns the value of the 'val' field for this long option
- Returns:
- The value of 'val'
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