java.lang.Object
- weka.core.WekaOptionUtils

```
public class WekaOptionUtils
extends Object
```
Helper class for option parsing.

Version:

$Revision$

Author:

FracPete (fracpete at waikato dot ac dot nz)

Constructor Summary

Constructors
Constructor Description

WekaOptionUtils()

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static void`	`add(List<String> options, char option, boolean value)`	Adds the boolean flag (if true) to the options.
`static void`	`add(List<String> options, char option, double value)`	Adds the double value to the options.
`static void`	`add(List<String> options, char option, float value)`	Adds the float value to the options.
`static void`	`add(List<String> options, char option, int value)`	Adds the int value to the options.
`static void`	`add(List<String> options, char option, long value)`	Adds the long value to the options.
`static void`	`add(List<String> options, char option, BaseObject value)`	Adds the BaseObject to the options.
`static void`	`add(List<String> options, char option, BaseObject[] value)`	Adds the BaseObject to the options.
`static void`	`add(List<String> options, char option, Index value)`	Adds the Index to the options.
`static void`	`add(List<String> options, char option, Index[] value)`	Adds the Index to the options.
`static void`	`add(List<String> options, char option, OptionHandler value)`	Adds the adams.core.option.OptionHandler to the options.
`static void`	`add(List<String> options, char option, Range value)`	Adds the adams.core.Range to the options.
`static void`	`add(List<String> options, char option, Range[] value)`	Adds the adams.core.Range to the options.
`static void`	`add(List<String> options, char option, File value)`	Adds the File value to the options.
`static void`	`add(List<String> options, char option, Enum value)`	Adds the enum value to the options.
`static void`	`add(List<String> options, char option, Object value)`	Adds the array to the options.
`static void`	`add(List<String> options, char option, String value)`	Adds the String value to the options.
`static void`	`add(List<String> options, char option, weka.core.OptionHandler value)`	Adds the OptionHandler to the options.
`static void`	`add(List<String> options, String[] superOptions)`	Adds the "super" options to the current list.
`static void`	`add(List<String> options, String option, boolean value)`	Adds the boolean flag (if true) to the options.
`static void`	`add(List<String> options, String option, double value)`	Adds the double value to the options.
`static void`	`add(List<String> options, String option, float value)`	Adds the float value to the options.
`static void`	`add(List<String> options, String option, int value)`	Adds the int value to the options.
`static void`	`add(List<String> options, String option, long value)`	Adds the long value to the options.
`static void`	`add(List<String> options, String option, BaseObject value)`	Adds the BaseObject to the options.
`static void`	`add(List<String> options, String option, BaseObject[] value)`	Adds the BaseObject to the options.
`static void`	`add(List<String> options, String option, Index value)`	Adds the Index to the options.
`static void`	`add(List<String> options, String option, Index[] value)`	Adds the Index to the options.
`static void`	`add(List<String> options, String option, OptionHandler value)`	Adds the adams.core.option.OptionHandler to the options.
`static void`	`add(List<String> options, String option, Range value)`	Adds the adams.core.Range to the options.
`static void`	`add(List<String> options, String option, Range[] value)`	Adds the adams.core.Range to the options.
`static void`	`add(List<String> options, String option, File value)`	Adds the File value to the options.
`static void`	`add(List<String> options, String option, Enum value)`	Adds the enum value to the options.
`static void`	`add(List<String> options, String option, Object value)`	Adds the array to the options.
`static void`	`add(List<String> options, String option, String value)`	Adds the String value to the options.
`static void`	`add(List<String> options, String option, weka.core.OptionHandler value)`	Adds the OptionHandler to the options.
`static void`	`add(Vector current, Enumeration superOptions)`	Adds the option description of the super class.
`static void`	`addFlag(Vector options, String text, char flag)`	Adds an Option for a flag to the list of options.
`static void`	`addFlag(Vector options, String text, String flag)`	Adds an Option for a flag to the list of options.
`static void`	`addOption(Vector options, String text, Index defValue, char option)`	Adds an Option for a flag to the list of options.
`static void`	`addOption(Vector options, String text, Index defValue, String option)`	Adds an Option for a flag to the list of options.
`static void`	`addOption(Vector options, String text, Range defValue, char option)`	Adds an Option for a flag to the list of options.
`static void`	`addOption(Vector options, String text, Range defValue, String option)`	Adds an Option for a flag to the list of options.
`static void`	`addOption(Vector options, String text, String defValue, char option)`	Adds an Option for a flag to the list of options.
`static void`	`addOption(Vector options, String text, String defValue, String option)`	Adds an Option for a flag to the list of options.
`static void`	`addOption(Vector options, String text, weka.core.OptionHandler defValue, char option)`	Adds an Option for a flag to the list of options.
`static void`	`addOption(Vector options, String text, weka.core.OptionHandler defValue, String option)`	Adds an Option for a flag to the list of options.
`static void`	`addOption(Vector options, String text, weka.core.Range defValue, char option)`	Adds an Option for a flag to the list of options.
`static void`	`addOption(Vector options, String text, weka.core.Range defValue, String option)`	Adds an Option for a flag to the list of options.
`static void`	`addOption(Vector options, String text, weka.core.SingleIndex defValue, char option)`	Adds an Option for a flag to the list of options.
`static void`	`addOption(Vector options, String text, weka.core.SingleIndex defValue, String option)`	Adds an Option for a flag to the list of options.
`static <T> T`	`fromCommandLine(Class<T> cls, String cmdline)`	Turns a commandline into an object.
`static String[]`	`parse(String[] options, char option)`	Parses an array option, returns all the occurrences of the option as a string array.
`static double`	`parse(String[] options, char option, double defValue)`	Parses a double option, uses default if option is missing.
`static float`	`parse(String[] options, char option, float defValue)`	Parses a float option, uses default if option is missing.
`static int`	`parse(String[] options, char option, int defValue)`	Parses an int option, uses default if option is missing.
`static long`	`parse(String[] options, char option, long defValue)`	Parses an long option, uses default if option is missing.
`static BaseObject`	`parse(String[] options, char option, BaseObject defValue)`	Parses a BaseObject option, uses default if option is missing.
`static BaseObject[]`	`parse(String[] options, char option, BaseObject[] defValue)`	Parses a BaseObject option, uses default if option is missing.
`static Index`	`parse(String[] options, char option, Index defValue)`	Parses an Index option, uses default if option is missing.
`static Index[]`	`parse(String[] options, char option, Index[] defValue)`	Parses an Index option, uses default if option is missing.
`static OptionHandler`	`parse(String[] options, char option, OptionHandler defValue)`	Parses an adams.core.option.OptionHandler option, uses default if option is missing.
`static Object`	`parse(String[] options, char option, OptionHandler[] defValue, Class cls)`	Parses an adams.core.option.OptionHandler array option, uses default if option is missing.
`static Range`	`parse(String[] options, char option, Range defValue)`	Parses a Range option, uses default if option is missing.
`static Range[]`	`parse(String[] options, char option, Range[] defValue)`	Parses a Range option, uses default if option is missing.
`static File`	`parse(String[] options, char option, File defValue)`	Parses a File option, uses default if option is missing.
`static <T> T[]`	`parse(String[] options, char option, Class<T> cls)`	Parses an array option, returns all the occurrences of the option as a string array.
`static Enum`	`parse(String[] options, char option, Enum defValue)`	Parses an enum option, uses default if option is missing.
`static String`	`parse(String[] options, char option, String defValue)`	Parses a String option, uses default if option is missing.
`static weka.core.OptionHandler`	`parse(String[] options, char option, weka.core.OptionHandler defValue)`	Parses an OptionHandler option, uses default if option is missing.
`static Object`	`parse(String[] options, char option, weka.core.OptionHandler[] defValue, Class cls)`	Parses an OptionHandler array option, uses default if option is missing.
`static String[]`	`parse(String[] options, String option)`	Parses an array option, returns all the occurrences of the option as a string array.
`static double`	`parse(String[] options, String option, double defValue)`	Parses a double option, uses default if option is missing.
`static float`	`parse(String[] options, String option, float defValue)`	Parses a float option, uses default if option is missing.
`static int`	`parse(String[] options, String option, int defValue)`	Parses an int option, uses default if option is missing.
`static long`	`parse(String[] options, String option, long defValue)`	Parses a long option, uses default if option is missing.
`static BaseObject`	`parse(String[] options, String option, BaseObject defValue)`	Parses a BaseObject option, uses default if option is missing.
`static BaseObject[]`	`parse(String[] options, String option, BaseObject[] defValue)`	Parses a BaseObject option, uses default if option is missing.
`static Index`	`parse(String[] options, String option, Index defValue)`	Parses a Index option, uses default if option is missing.
`static Index[]`	`parse(String[] options, String option, Index[] defValue)`	Parses a Index option, uses default if option is missing.
`static PlaceholderDirectory`	`parse(String[] options, String option, PlaceholderDirectory defValue)`	Parses a PlaceholderDirectory option, uses default if option is missing.
`static PlaceholderFile`	`parse(String[] options, String option, PlaceholderFile defValue)`	Parses a PlaceholderFile option, uses default if option is missing.
`static OptionHandler`	`parse(String[] options, String option, OptionHandler defValue)`	Parses an adams.core.option.OptionHandler option, uses default if option is missing.
`static Object`	`parse(String[] options, String option, OptionHandler[] defValue, Class cls)`	Parses an adams.core.option.OptionHandler array option, uses default if option is missing.
`static Range`	`parse(String[] options, String option, Range defValue)`	Parses a Range option, uses default if option is missing.
`static Range[]`	`parse(String[] options, String option, Range[] defValue)`	Parses a Range option, uses default if option is missing.
`static File`	`parse(String[] options, String option, File defValue)`	Parses a File option, uses default if option is missing.
`static <T> T[]`	`parse(String[] options, String option, Class<T> cls)`	Parses an array option, returns all the occurrences of the option as a string array.
`static Enum`	`parse(String[] options, String option, Enum defValue)`	Parses an enum option, uses default if option is missing.
`static Object`	`parse(String[] options, String option, Object defValue, Class cls)`	Parses an array option, uses default if option is missing.
`static String`	`parse(String[] options, String option, String defValue)`	Parses a String option, uses default if option is missing.
`static weka.core.OptionHandler`	`parse(String[] options, String option, weka.core.OptionHandler defValue)`	Parses an OptionHandler option, uses default if option is missing.
`static Object`	`parse(String[] options, String option, weka.core.OptionHandler[] defValue, Class cls)`	Parses an OptionHandler array option, uses default if option is missing.
`static String[]`	`toArray(List<String> options)`	Turns the list of options into an array.
`static String`	`toCommandLine(Object obj)`	Returns the commandline string for the object.
`static Enumeration`	`toEnumeration(Vector options)`	Returns the option descriptions as an enumeration.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - WekaOptionUtils
```
public WekaOptionUtils()
```
- Method Detail
  - parse
```
public static int parse(String[] options,
                        char option,
                        int defValue)
                 throws Exception
```
    Parses an int option, uses default if option is missing.
    
    Parameters:
    
    options - the option array to use
    
    option - the option to look for in the options array (no leading dash)
    
    defValue - the default value
    
    Returns:
    
    the parsed value (or default value if option not present)
    
    Throws:
    
    Exception - if parsing of value fails
  - parse
```
public static int parse(String[] options,
                        String option,
                        int defValue)
                 throws Exception
```
    Parses an int option, uses default if option is missing.
    
    Parameters:
    
    options - the option array to use
    
    option - the option to look for in the options array (no leading dash)
    
    defValue - the default value
    
    Returns:
    
    the parsed value (or default value if option not present)
    
    Throws:
    
    Exception - if parsing of value fails
  - parse
```
public static long parse(String[] options,
                         char option,
                         long defValue)
                  throws Exception
```
    Parses an long option, uses default if option is missing.
    
    Parameters:
    
    options - the option array to use
    
    option - the option to look for in the options array (no leading dash)
    
    defValue - the default value
    
    Returns:
    
    the parsed value (or default value if option not present)
    
    Throws:
    
    Exception - if parsing of value fails
  - parse
```
public static long parse(String[] options,
                         String option,
                         long defValue)
                  throws Exception
```
    Parses a long option, uses default if option is missing.
    
    Parameters:
    
    options - the option array to use
    
    option - the option to look for in the options array (no leading dash)
    
    defValue - the default value
    
    Returns:
    
    the parsed value (or default value if option not present)
    
    Throws:
    
    Exception - if parsing of value fails
  - parse
```
public static float parse(String[] options,
                          char option,
                          float defValue)
                   throws Exception
```
    Parses a float option, uses default if option is missing.
    
    Parameters:
    
    options - the option array to use
    
    option - the option to look for in the options array (no leading dash)
    
    defValue - the default value
    
    Returns:
    
    the parsed value (or default value if option not present)
    
    Throws:
    
    Exception - if parsing of value fails
  - parse
```
public static float parse(String[] options,
                          String option,
                          float defValue)
                   throws Exception
```
    Parses a float option, uses default if option is missing.
    
    Parameters:
    
    options - the option array to use
    
    option - the option to look for in the options array (no leading dash)
    
    defValue - the default value
    
    Returns:
    
    the parsed value (or default value if option not present)
    
    Throws:
    
    Exception - if parsing of value fails
  - parse
```
public static double parse(String[] options,
                           char option,
                           double defValue)
                    throws Exception
```
    Parses a double option, uses default if option is missing.
    
    Parameters:
    
    options - the option array to use
    
    option - the option to look for in the options array (no leading dash)
    
    defValue - the default value
    
    Returns:
    
    the parsed value (or default value if option not present)
    
    Throws:
    
    Exception - if parsing of value fails
  - parse
```
public static double parse(String[] options,
                           String option,
                           double defValue)
                    throws Exception
```
    Parses a double option, uses default if option is missing.
    
    Parameters:
    
    options - the option array to use
    
    option - the option to look for in the options array (no leading dash)
    
    defValue - the default value
    
    Returns:
    
    the parsed value (or default value if option not present)
    
    Throws:
    
    Exception - if parsing of value fails
  - parse
```
public static String parse(String[] options,
                           char option,
                           String defValue)
                    throws Exception
```
    Parses a String option, uses default if option is missing.
    
    Parameters:
    
    options - the option array to use
    
    option - the option to look for in the options array (no leading dash)
    
    defValue - the default value
    
    Returns:
    
    the parsed value (or default value if option not present)
    
    Throws:
    
    Exception - if parsing of value fails
  - parse
```
public static String parse(String[] options,
                           String option,
                           String defValue)
                    throws Exception
```
    Parses a String option, uses default if option is missing.
    
    Parameters:
    
    options - the option array to use
    
    option - the option to look for in the options array (no leading dash)
    
    defValue - the default value
    
    Returns:
    
    the parsed value (or default value if option not present)
    
    Throws:
    
    Exception - if parsing of value fails
  - parse
```
public static File parse(String[] options,
                         char option,
                         File defValue)
                  throws Exception
```
    Parses a File option, uses default if option is missing.
    
    Parameters:
    
    options - the option array to use
    
    option - the option to look for in the options array (no leading dash)
    
    defValue - the default value
    
    Returns:
    
    the parsed value (or default value if option not present)
    
    Throws:
    
    Exception - if parsing of value fails
  - parse
```
public static File parse(String[] options,
                         String option,
                         File defValue)
                  throws Exception
```
    Parses a File option, uses default if option is missing.
    
    Parameters:
    
    options - the option array to use
    
    option - the option to look for in the options array (no leading dash)
    
    defValue - the default value
    
    Returns:
    
    the parsed value (or default value if option not present)
    
    Throws:
    
    Exception - if parsing of value fails
  - parse
```
public static PlaceholderFile parse(String[] options,
                                    String option,
                                    PlaceholderFile defValue)
                             throws Exception
```
    Parses a PlaceholderFile option, uses default if option is missing.
    
    Parameters:
    
    options - the option array to use
    
    option - the option to look for in the options array (no leading dash)
    
    defValue - the default value
    
    Returns:
    
    the parsed value (or default value if option not present)
    
    Throws:
    
    Exception - if parsing of value fails
  - parse
```
public static PlaceholderDirectory parse(String[] options,
                                         String option,
                                         PlaceholderDirectory defValue)
                                  throws Exception
```
    Parses a PlaceholderDirectory option, uses default if option is missing.
    
    Parameters:
    
    options - the option array to use
    
    option - the option to look for in the options array (no leading dash)
    
    defValue - the default value
    
    Returns:
    
    the parsed value (or default value if option not present)
    
    Throws:
    
    Exception - if parsing of value fails
  - parse
```
public static weka.core.OptionHandler parse(String[] options,
                                            char option,
                                            weka.core.OptionHandler defValue)
                                     throws Exception
```
    Parses an OptionHandler option, uses default if option is missing.
    
    Parameters:
    
    options - the option array to use
    
    option - the option to look for in the options array (no leading dash)
    
    defValue - the default value
    
    Returns:
    
    the parsed value (or default value if option not present)
    
    Throws:
    
    Exception - if parsing of value fails
  - parse
```
public static weka.core.OptionHandler parse(String[] options,
                                            String option,
                                            weka.core.OptionHandler defValue)
                                     throws Exception
```
    Parses an OptionHandler option, uses default if option is missing.
    
    Parameters:
    
    options - the option array to use
    
    option - the option to look for in the options array (no leading dash)
    
    defValue - the default value
    
    Returns:
    
    the parsed value (or default value if option not present)
    
    Throws:
    
    Exception - if parsing of value fails
  - parse
```
public static Object parse(String[] options,
                           char option,
                           weka.core.OptionHandler[] defValue,
                           Class cls)
                    throws Exception
```
    Parses an OptionHandler array option, uses default if option is missing.
    
    Parameters:
    
    options - the option array to use
    
    option - the option to look for in the options array (no leading dash)
    
    defValue - the default value
    
    cls - the class to use for the array
    
    Returns:
    
    the parsed value (or default value if option not present)
    
    Throws:
    
    Exception - if parsing of value fails
  - parse
```
public static Object parse(String[] options,
                           String option,
                           weka.core.OptionHandler[] defValue,
                           Class cls)
                    throws Exception
```
    Parses an OptionHandler array option, uses default if option is missing.
    
    Parameters:
    
    options - the option array to use
    
    option - the option to look for in the options array (no leading dash)
    
    defValue - the default value
    
    cls - the class to use for the array
    
    Returns:
    
    the parsed value (or default value if option not present)
    
    Throws:
    
    Exception - if parsing of value fails
  - parse
```
public static Object parse(String[] options,
                           String option,
                           Object defValue,
                           Class cls)
                    throws Exception
```
    Parses an array option, uses default if option is missing.
    
    Parameters:
    
    options - the option array to use
    
    option - the option to look for in the options array (no leading dash)
    
    defValue - the default value
    
    cls - the class to use for the array
    
    Returns:
    
    the parsed value (or default value if option not present)
    
    Throws:
    
    Exception - if parsing of value fails
  - parse
```
public static OptionHandler parse(String[] options,
                                  char option,
                                  OptionHandler defValue)
                           throws Exception
```
    Parses an adams.core.option.OptionHandler option, uses default if option is missing.
    
    Parameters:
    
    options - the option array to use
    
    option - the option to look for in the options array (no leading dash)
    
    defValue - the default value
    
    Returns:
    
    the parsed value (or default value if option not present)
    
    Throws:
    
    Exception - if parsing of value fails
  - parse
```
public static OptionHandler parse(String[] options,
                                  String option,
                                  OptionHandler defValue)
                           throws Exception
```
    Parses an adams.core.option.OptionHandler option, uses default if option is missing.
    
    Parameters:
    
    options - the option array to use
    
    option - the option to look for in the options array (no leading dash)
    
    defValue - the default value
    
    Returns:
    
    the parsed value (or default value if option not present)
    
    Throws:
    
    Exception - if parsing of value fails
  - parse
```
public static Object parse(String[] options,
                           char option,
                           OptionHandler[] defValue,
                           Class cls)
                    throws Exception
```
    Parses an adams.core.option.OptionHandler array option, uses default if option is missing.
    
    Parameters:
    
    options - the option array to use
    
    option - the option to look for in the options array (no leading dash)
    
    defValue - the default value
    
    cls - the class to use for the array
    
    Returns:
    
    the parsed value (or default value if option not present)
    
    Throws:
    
    Exception - if parsing of value fails
  - parse
```
public static Object parse(String[] options,
                           String option,
                           OptionHandler[] defValue,
                           Class cls)
                    throws Exception
```
    Parses an adams.core.option.OptionHandler array option, uses default if option is missing.
    
    Parameters:
    
    options - the option array to use
    
    option - the option to look for in the options array (no leading dash)
    
    defValue - the default value
    
    cls - the class to use for the array
    
    Returns:
    
    the parsed value (or default value if option not present)
    
    Throws:
    
    Exception - if parsing of value fails
  - parse
```
public static Enum parse(String[] options,
                         char option,
                         Enum defValue)
                  throws Exception
```
    Parses an enum option, uses default if option is missing.
    
    Parameters:
    
    options - the option array to use
    
    option - the option to look for in the options array (no leading dash)
    
    defValue - the default value
    
    Returns:
    
    the parsed value (or default value if option not present)
    
    Throws:
    
    Exception - if parsing of value fails
  - parse
```
public static Enum parse(String[] options,
                         String option,
                         Enum defValue)
                  throws Exception
```
    Parses an enum option, uses default if option is missing.
    
    Parameters:
    
    options - the option array to use
    
    option - the option to look for in the options array (no leading dash)
    
    defValue - the default value
    
    Returns:
    
    the parsed value (or default value if option not present)
    
    Throws:
    
    Exception - if parsing of value fails
  - parse
```
public static Index parse(String[] options,
                          char option,
                          Index defValue)
                   throws Exception
```
    Parses an Index option, uses default if option is missing.
    
    Parameters:
    
    options - the option array to use
    
    option - the option to look for in the options array (no leading dash)
    
    defValue - the default value
    
    Returns:
    
    the parsed value (or default value if option not present)
    
    Throws:
    
    Exception - if parsing of value fails
  - parse
```
public static Index parse(String[] options,
                          String option,
                          Index defValue)
                   throws Exception
```
    Parses a Index option, uses default if option is missing.
    
    Parameters:
    
    options - the option array to use
    
    option - the option to look for in the options array (no leading dash)
    
    defValue - the default value
    
    Returns:
    
    the parsed value (or default value if option not present)
    
    Throws:
    
    Exception - if parsing of value fails
  - parse
```
public static Index[] parse(String[] options,
                            char option,
                            Index[] defValue)
                     throws Exception
```
    Parses an Index option, uses default if option is missing.
    
    Parameters:
    
    options - the option array to use
    
    option - the option to look for in the options array (no leading dash)
    
    defValue - the default value
    
    Returns:
    
    the parsed value (or default value if option not present)
    
    Throws:
    
    Exception - if parsing of value fails
  - parse
```
public static Index[] parse(String[] options,
                            String option,
                            Index[] defValue)
                     throws Exception
```
    Parses a Index option, uses default if option is missing.
    
    Parameters:
    
    options - the option array to use
    
    option - the option to look for in the options array (no leading dash)
    
    defValue - the default value
    
    Returns:
    
    the parsed value (or default value if option not present)
    
    Throws:
    
    Exception - if parsing of value fails
  - parse
```
public static Range parse(String[] options,
                          char option,
                          Range defValue)
                   throws Exception
```
    Parses a Range option, uses default if option is missing.
    
    Parameters:
    
    options - the option array to use
    
    option - the option to look for in the options array (no leading dash)
    
    defValue - the default value
    
    Returns:
    
    the parsed value (or default value if option not present)
    
    Throws:
    
    Exception - if parsing of value fails
  - parse
```
public static Range parse(String[] options,
                          String option,
                          Range defValue)
                   throws Exception
```
    Parses a Range option, uses default if option is missing.
    
    Parameters:
    
    options - the option array to use
    
    option - the option to look for in the options array (no leading dash)
    
    defValue - the default value
    
    Returns:
    
    the parsed value (or default value if option not present)
    
    Throws:
    
    Exception - if parsing of value fails
  - parse
```
public static Range[] parse(String[] options,
                            char option,
                            Range[] defValue)
                     throws Exception
```
    Parses a Range option, uses default if option is missing.
    
    Parameters:
    
    options - the option array to use
    
    option - the option to look for in the options array (no leading dash)
    
    defValue - the default value
    
    Returns:
    
    the parsed value (or default value if option not present)
    
    Throws:
    
    Exception - if parsing of value fails
  - parse
```
public static Range[] parse(String[] options,
                            String option,
                            Range[] defValue)
                     throws Exception
```
    Parses a Range option, uses default if option is missing.
    
    Parameters:
    
    options - the option array to use
    
    option - the option to look for in the options array (no leading dash)
    
    defValue - the default value
    
    Returns:
    
    the parsed value (or default value if option not present)
    
    Throws:
    
    Exception - if parsing of value fails
  - parse
```
public static BaseObject parse(String[] options,
                               char option,
                               BaseObject defValue)
                        throws Exception
```
    Parses a BaseObject option, uses default if option is missing.
    
    Parameters:
    
    options - the option array to use
    
    option - the option to look for in the options array (no leading dash)
    
    defValue - the default value
    
    Returns:
    
    the parsed value (or default value if option not present)
    
    Throws:
    
    Exception - if parsing of value fails
  - parse
```
public static BaseObject parse(String[] options,
                               String option,
                               BaseObject defValue)
                        throws Exception
```
    Parses a BaseObject option, uses default if option is missing.
    
    Parameters:
    
    options - the option array to use
    
    option - the option to look for in the options array (no leading dash)
    
    defValue - the default value
    
    Returns:
    
    the parsed value (or default value if option not present)
    
    Throws:
    
    Exception - if parsing of value fails
  - parse
```
public static BaseObject[] parse(String[] options,
                                 char option,
                                 BaseObject[] defValue)
                          throws Exception
```
    Parses a BaseObject option, uses default if option is missing.
    
    Parameters:
    
    options - the option array to use
    
    option - the option to look for in the options array (no leading dash)
    
    defValue - the default value
    
    Returns:
    
    the parsed value (or default value if option not present)
    
    Throws:
    
    Exception - if parsing of value fails
  - parse
```
public static BaseObject[] parse(String[] options,
                                 String option,
                                 BaseObject[] defValue)
                          throws Exception
```
    Parses a BaseObject option, uses default if option is missing.
    
    Parameters:
    
    options - the option array to use
    
    option - the option to look for in the options array (no leading dash)
    
    defValue - the default value
    
    Returns:
    
    the parsed value (or default value if option not present)
    
    Throws:
    
    Exception - if parsing of value fails
  - parse
```
public static String[] parse(String[] options,
                             char option)
                      throws Exception
```
    Parses an array option, returns all the occurrences of the option as a string array.
    
    Parameters:
    
    options - the option array to use
    
    option - the option to look for in the options array (no leading dash)
    
    Returns:
    
    the parsed value (or default value if option not present)
    
    Throws:
    
    Exception - if parsing of value fails
  - parse
```
public static String[] parse(String[] options,
                             String option)
                      throws Exception
```
    Parses an array option, returns all the occurrences of the option as a string array.
    
    Parameters:
    
    options - the option array to use
    
    option - the option to look for in the options array (no leading dash)
    
    Returns:
    
    the parsed value (or default value if option not present)
    
    Throws:
    
    Exception - if parsing of value fails
  - parse
```
public static <T> T[] parse(String[] options,
                            char option,
                            Class<T> cls)
                     throws Exception
```
    Parses an array option, returns all the occurrences of the option as a string array.
    
    Parameters:
    
    options - the option array to use
    
    option - the option to look for in the options array (no leading dash)
    
    cls - the class type to use (requires a constructor that takes a string)
    
    Returns:
    
    the parsed value (or default value if option not present)
    
    Throws:
    
    Exception - if parsing of value fails
  - parse
```
public static <T> T[] parse(String[] options,
                            String option,
                            Class<T> cls)
                     throws Exception
```
    Parses an array option, returns all the occurrences of the option as a string array.
    
    Parameters:
    
    options - the option array to use
    
    option - the option to look for in the options array (no leading dash)
    
    cls - the class type to use (requires a constructor that takes a string)
    
    Returns:
    
    the parsed value (or default value if option not present)
    
    Throws:
    
    Exception - if parsing of value fails
  - add
```
public static void add(List<String> options,
                       char option,
                       int value)
```
    Adds the int value to the options.
    
    Parameters:
    
    options - the current list of options to extend
    
    option - the option (without the leading dash)
    
    value - the current value
  - add
```
public static void add(List<String> options,
                       String option,
                       int value)
```
    Adds the int value to the options.
    
    Parameters:
    
    options - the current list of options to extend
    
    option - the option (without the leading dash)
    
    value - the current value
  - add
```
public static void add(List<String> options,
                       char option,
                       long value)
```
    Adds the long value to the options.
    
    Parameters:
    
    options - the current list of options to extend
    
    option - the option (without the leading dash)
    
    value - the current value
  - add
```
public static void add(List<String> options,
                       String option,
                       long value)
```
    Adds the long value to the options.
    
    Parameters:
    
    options - the current list of options to extend
    
    option - the option (without the leading dash)
    
    value - the current value
  - add
```
public static void add(List<String> options,
                       char option,
                       float value)
```
    Adds the float value to the options.
    
    Parameters:
    
    options - the current list of options to extend
    
    option - the option (without the leading dash)
    
    value - the current value
  - add
```
public static void add(List<String> options,
                       String option,
                       float value)
```
    Adds the float value to the options.
    
    Parameters:
    
    options - the current list of options to extend
    
    option - the option (without the leading dash)
    
    value - the current value
  - add
```
public static void add(List<String> options,
                       char option,
                       double value)
```
    Adds the double value to the options.
    
    Parameters:
    
    options - the current list of options to extend
    
    option - the option (without the leading dash)
    
    value - the current value
  - add
```
public static void add(List<String> options,
                       String option,
                       double value)
```
    Adds the double value to the options.
    
    Parameters:
    
    options - the current list of options to extend
    
    option - the option (without the leading dash)
    
    value - the current value
  - add
```
public static void add(List<String> options,
                       char option,
                       String value)
```
    Adds the String value to the options.
    
    Parameters:
    
    options - the current list of options to extend
    
    option - the option (without the leading dash)
    
    value - the current value
  - add
```
public static void add(List<String> options,
                       String option,
                       String value)
```
    Adds the String value to the options.
    
    Parameters:
    
    options - the current list of options to extend
    
    option - the option (without the leading dash)
    
    value - the current value
  - add
```
public static void add(List<String> options,
                       char option,
                       boolean value)
```
    Adds the boolean flag (if true) to the options.
    
    Parameters:
    
    options - the current list of options to extend
    
    option - the option (without the leading dash)
    
    value - the current value
  - add
```
public static void add(List<String> options,
                       String option,
                       boolean value)
```
    Adds the boolean flag (if true) to the options.
    
    Parameters:
    
    options - the current list of options to extend
    
    option - the option (without the leading dash)
    
    value - the current value
  - add
```
public static void add(List<String> options,
                       char option,
                       File value)
```
    Adds the File value to the options.
    
    Parameters:
    
    options - the current list of options to extend
    
    option - the option (without the leading dash)
    
    value - the current value
  - add
```
public static void add(List<String> options,
                       String option,
                       File value)
```
    Adds the File value to the options.
    
    Parameters:
    
    options - the current list of options to extend
    
    option - the option (without the leading dash)
    
    value - the current value
  - add
```
public static void add(List<String> options,
                       char option,
                       weka.core.OptionHandler value)
```
    Adds the OptionHandler to the options.
    
    Parameters:
    
    options - the current list of options to extend
    
    option - the option (without the leading dash)
    
    value - the current value
  - add
```
public static void add(List<String> options,
                       String option,
                       weka.core.OptionHandler value)
```
    Adds the OptionHandler to the options.
    
    Parameters:
    
    options - the current list of options to extend
    
    option - the option (without the leading dash)
    
    value - the current value
  - add
```
public static void add(List<String> options,
                       char option,
                       OptionHandler value)
```
    Adds the adams.core.option.OptionHandler to the options.
    
    Parameters:
    
    options - the current list of options to extend
    
    option - the option (without the leading dash)
    
    value - the current value
  - add
```
public static void add(List<String> options,
                       String option,
                       OptionHandler value)
```
    Adds the adams.core.option.OptionHandler to the options.
    
    Parameters:
    
    options - the current list of options to extend
    
    option - the option (without the leading dash)
    
    value - the current value
  - add
```
public static void add(List<String> options,
                       char option,
                       Index value)
```
    Adds the Index to the options.
    
    Parameters:
    
    options - the current list of options to extend
    
    option - the option (without the leading dash)
    
    value - the current value
  - add
```
public static void add(List<String> options,
                       String option,
                       Index value)
```
    Adds the Index to the options.
    
    Parameters:
    
    options - the current list of options to extend
    
    option - the option (without the leading dash)
    
    value - the current value
  - add
```
public static void add(List<String> options,
                       char option,
                       Index[] value)
```
    Adds the Index to the options.
    
    Parameters:
    
    options - the current list of options to extend
    
    option - the option (without the leading dash)
    
    value - the current value
  - add
```
public static void add(List<String> options,
                       String option,
                       Index[] value)
```
    Adds the Index to the options.
    
    Parameters:
    
    options - the current list of options to extend
    
    option - the option (without the leading dash)
    
    value - the current value
  - add
```
public static void add(List<String> options,
                       char option,
                       Range value)
```
    Adds the adams.core.Range to the options.
    
    Parameters:
    
    options - the current list of options to extend
    
    option - the option (without the leading dash)
    
    value - the current value
  - add
```
public static void add(List<String> options,
                       String option,
                       Range value)
```
    Adds the adams.core.Range to the options.
    
    Parameters:
    
    options - the current list of options to extend
    
    option - the option (without the leading dash)
    
    value - the current value
  - add
```
public static void add(List<String> options,
                       char option,
                       Range[] value)
```
    Adds the adams.core.Range to the options.
    
    Parameters:
    
    options - the current list of options to extend
    
    option - the option (without the leading dash)
    
    value - the current value
  - add
```
public static void add(List<String> options,
                       String option,
                       Range[] value)
```
    Adds the adams.core.Range to the options.
    
    Parameters:
    
    options - the current list of options to extend
    
    option - the option (without the leading dash)
    
    value - the current value
  - add
```
public static void add(List<String> options,
                       char option,
                       BaseObject value)
```
    Adds the BaseObject to the options.
    
    Parameters:
    
    options - the current list of options to extend
    
    option - the option (without the leading dash)
    
    value - the current value
  - add
```
public static void add(List<String> options,
                       String option,
                       BaseObject value)
```
    Adds the BaseObject to the options.
    
    Parameters:
    
    options - the current list of options to extend
    
    option - the option (without the leading dash)
    
    value - the current value
  - add
```
public static void add(List<String> options,
                       char option,
                       BaseObject[] value)
```
    Adds the BaseObject to the options.
    
    Parameters:
    
    options - the current list of options to extend
    
    option - the option (without the leading dash)
    
    value - the current value
  - add
```
public static void add(List<String> options,
                       String option,
                       BaseObject[] value)
```
    Adds the BaseObject to the options.
    
    Parameters:
    
    options - the current list of options to extend
    
    option - the option (without the leading dash)
    
    value - the current value
  - add
```
public static void add(List<String> options,
                       char option,
                       Object value)
```
    Adds the array to the options.
    
    Parameters:
    
    options - the current list of options to extend
    
    option - the option (without the leading dash)
    
    value - the current value
  - add
```
public static void add(List<String> options,
                       String option,
                       Object value)
```
    Adds the array to the options.
    
    Parameters:
    
    options - the current list of options to extend
    
    option - the option (without the leading dash)
    
    value - the current value
  - add
```
public static void add(List<String> options,
                       char option,
                       Enum value)
```
    Adds the enum value to the options.
    
    Parameters:
    
    options - the current list of options to extend
    
    option - the option (without the leading dash)
    
    value - the current value
  - add
```
public static void add(List<String> options,
                       String option,
                       Enum value)
```
    Adds the enum value to the options.
    
    Parameters:
    
    options - the current list of options to extend
    
    option - the option (without the leading dash)
    
    value - the current value
  - add
```
public static void add(List<String> options,
                       String[] superOptions)
```
    Adds the "super" options to the current list.
    
    Parameters:
    
    options - the current options
    
    superOptions - the "super" options to add
  - addFlag
```
public static void addFlag(Vector options,
                           String text,
                           char flag)
```
    Adds an Option for a flag to the list of options.
    
    Parameters:
    
    options - the options to extend
    
    text - the description
    
    flag - the flag (no dash)
  - addFlag
```
public static void addFlag(Vector options,
                           String text,
                           String flag)
```
    Adds an Option for a flag to the list of options.
    
    Parameters:
    
    options - the options to extend
    
    text - the description
    
    flag - the flag (no dash)
  - addOption
```
public static void addOption(Vector options,
                             String text,
                             String defValue,
                             char option)
```
    Adds an Option for a flag to the list of options.
    
    Parameters:
    
    options - the options to extend
    
    text - the description
    
    option - the option (no dash)
  - addOption
```
public static void addOption(Vector options,
                             String text,
                             String defValue,
                             String option)
```
    Adds an Option for a flag to the list of options.
    
    Parameters:
    
    options - the options to extend
    
    text - the description
    
    option - the option (no dash)
  - addOption
```
public static void addOption(Vector options,
                             String text,
                             weka.core.OptionHandler defValue,
                             char option)
```
    Adds an Option for a flag to the list of options.
    
    Parameters:
    
    options - the options to extend
    
    text - the description
    
    option - the option (no dash)
  - addOption
```
public static void addOption(Vector options,
                             String text,
                             weka.core.OptionHandler defValue,
                             String option)
```
    Adds an Option for a flag to the list of options.
    
    Parameters:
    
    options - the options to extend
    
    text - the description
    
    option - the option (no dash)
  - addOption
```
public static void addOption(Vector options,
                             String text,
                             Index defValue,
                             char option)
```
    Adds an Option for a flag to the list of options.
    
    Parameters:
    
    options - the options to extend
    
    text - the description
    
    option - the option (no dash)
  - addOption
```
public static void addOption(Vector options,
                             String text,
                             Index defValue,
                             String option)
```
    Adds an Option for a flag to the list of options.
    
    Parameters:
    
    options - the options to extend
    
    text - the description
    
    option - the option (no dash)
  - addOption
```
public static void addOption(Vector options,
                             String text,
                             Range defValue,
                             char option)
```
    Adds an Option for a flag to the list of options.
    
    Parameters:
    
    options - the options to extend
    
    text - the description
    
    option - the option (no dash)
  - addOption
```
public static void addOption(Vector options,
                             String text,
                             Range defValue,
                             String option)
```
    Adds an Option for a flag to the list of options.
    
    Parameters:
    
    options - the options to extend
    
    text - the description
    
    option - the option (no dash)
  - addOption
```
public static void addOption(Vector options,
                             String text,
                             weka.core.SingleIndex defValue,
                             char option)
```
    Adds an Option for a flag to the list of options.
    
    Parameters:
    
    options - the options to extend
    
    text - the description
    
    option - the option (no dash)
  - addOption
```
public static void addOption(Vector options,
                             String text,
                             weka.core.SingleIndex defValue,
                             String option)
```
    Adds an Option for a flag to the list of options.
    
    Parameters:
    
    options - the options to extend
    
    text - the description
    
    option - the option (no dash)
  - addOption
```
public static void addOption(Vector options,
                             String text,
                             weka.core.Range defValue,
                             char option)
```
    Adds an Option for a flag to the list of options.
    
    Parameters:
    
    options - the options to extend
    
    text - the description
    
    option - the option (no dash)
  - addOption
```
public static void addOption(Vector options,
                             String text,
                             weka.core.Range defValue,
                             String option)
```
    Adds an Option for a flag to the list of options.
    
    Parameters:
    
    options - the options to extend
    
    text - the description
    
    option - the option (no dash)
  - add
```
public static void add(Vector current,
                       Enumeration superOptions)
```
    Adds the option description of the super class.
    
    Parameters:
    
    current - the current option descriptions to extend
    
    superOptions - the "super" descriptions
  - toArray
```
public static String[] toArray(List<String> options)
```
    Turns the list of options into an array.
    
    Parameters:
    
    options - the list of options to convert
    
    Returns:
    
    the generated array
  - toEnumeration
```
public static Enumeration toEnumeration(Vector options)
```
    Returns the option descriptions as an enumeration.
    
    Parameters:
    
    options - the descriptions
    
    Returns:
    
    the enumeration
  - fromCommandLine
```
public static <T> T fromCommandLine(Class<T> cls,
                                    String cmdline)
                             throws Exception
```
    Turns a commandline into an object.
    
    Parameters:
    
    cls - the class that the commandline is expected to be
    
    cmdline - the commandline to parse
    
    Returns:
    
    the object, null if failed to instantiate
    
    Throws:
    
    Exception - if parsing fails
  - toCommandLine
```
public static String toCommandLine(Object obj)
```
    Returns the commandline string for the object.
    
    Parameters:
    
    obj - the object to generate the commandline for
    
    Returns:
    
    the commandline
    
    See Also:
    
    Utils.toCommandLine(Object)

Class WekaOptionUtils

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

WekaOptionUtils

Method Detail

parse

parse

parse

parse

parse

parse

parse

parse

parse

parse

parse

parse

parse

parse

parse

parse

parse

parse

parse

parse

parse

parse

parse

parse

parse

parse

parse

parse

parse

parse

parse

parse

parse

parse

parse

parse

parse

parse

parse

parse

parse

add

add

add

add

add

add

add

add

add

add

add

add

add

add

add

add

add

add

add

add

add

add

add

add

add

add

add

add

add

add

add

add