org.jargp
Class IntDef

java.lang.Object
  |
  +--org.jargp.ParameterDef
        |
        +--org.jargp.IntDef

public class IntDef

extends ParameterDef

Command line integer parameter definition. This defines a command line flag with an associated integer value. The optionally signed value must immediately follow the flag character within the same argument string.

Version:

1.0

Author:

Dennis M. Sosnoski

Field Summary

Fields inherited from class org.jargp.ParameterDef

m_char, m_description, m_field, m_name

Constructor Summary

IntDef(char chr, java.lang.String name)
Constructor with no range or description.

IntDef(char chr, java.lang.String name, int min, int max)
Constructor with range but no description.

IntDef(char chr, java.lang.String name, java.lang.String desc)
Constructor with no range defined.

IntDef(char chr, java.lang.String name, java.lang.String desc, int min, int max)
Constructor with range and description.

Method Summary

protected void	bindToClass(java.lang.Class clas) Bind parameter to target class field.
java.lang.String	getAbbreviation() Get text abbreviation for parameter.
void	handle(ArgumentProcessor proc) Handle argument.

Methods inherited from class org.jargp.ParameterDef

getDescription, getFlag

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

IntDef

public IntDef(char chr,
              java.lang.String name,
              java.lang.String desc,
              int min,
              int max)

Constructor with range and description.

Parameters:

chr - parameter flag character

name - field name for parameter

desc - discription text for parameter

min - minimum allowed value

max - maximum allowed value

IntDef

public IntDef(char chr,
              java.lang.String name,
              int min,
              int max)

Constructor with range but no description.

Parameters:

chr - parameter flag character

name - field name for parameter

min - minimum allowed value

max - maximum allowed value

IntDef

public IntDef(char chr,
              java.lang.String name,
              java.lang.String desc)

Constructor with no range defined.

Parameters:

chr - parameter flag character

name - field name for parameter

desc - discription text for parameter

IntDef

public IntDef(char chr,
              java.lang.String name)

Constructor with no range or description.

Parameters:

chr - parameter flag character

name - field name for parameter

Method Detail

getAbbreviation

public java.lang.String getAbbreviation()

Get text abbreviation for parameter. This override of the base class method returns "-cNN", where 'c' is the flag character for the parameter.

Overrides:

getAbbreviation in class ParameterDef

Returns:

text abbreviation for showing parameter

bindToClass

protected void bindToClass(java.lang.Class clas)

Bind parameter to target class field.

Overrides:

bindToClass in class ParameterDef

Parameters:

clas - target class for saving parameter values

Throws:

java.lang.IllegalArgumentException - if the field is not an int

handle

public void handle(ArgumentProcessor proc)

Handle argument. This implementation of the abstract base class method interprets the characters following the flag character as an optionally signed decimal value. If the value is within the allowed range the parameter is set to that value. Other flag characters may follow the numeric value within the argument.

Specified by:

handle in class ParameterDef

Parameters:

proc - argument processor making call to handler

Throws:

ArgumentErrorException - if decimal value missing or out of range

java.lang.IllegalArgumentException - on error in processing