Class OneArgumentOptionHandler<T>

java.lang.Object

org.kohsuke.args4j.spi.OptionHandler<T>

org.kohsuke.args4j.spi.OneArgumentOptionHandler<T>

Type Parameters:

T - Type of the Setter-class

Direct Known Subclasses:

ByteOptionHandler, CharOptionHandler, DoubleOptionHandler, FileOptionHandler, FloatOptionHandler, InetAddressOptionHandler, IntOptionHandler, LongOptionHandler, PathOptionHandler, ShortOptionHandler, UuidOptionHandler

public abstract class OneArgumentOptionHandler<T>
extends OptionHandler<T>

OptionHandler which handles an option with exactly one argument, like "-foo bar".

Since:

2.0.9

Author:

Jan Materne

Field Summary

Fields inherited from class OptionHandler

option, owner, setter

Constructor Summary

Constructors

Constructor	Description
OneArgumentOptionHandler(CmdLineParser parser, OptionDef option, Setter<? super T> setter)

Method Summary

Modifier and Type	Method	Description
String	getDefaultMetaVariable()	Gets the default meta variable name used to print the usage screen.
protected abstract T	parse(String argument)	Parses a string to a real value of Type <T>.
int	parseArguments(Parameters params)	Called if the option that this owner recognizes is found.

Methods inherited from class OptionHandler

getMetaVariable, getNameAndMeta, getNameAndMeta, print, printDefaultValue

Methods inherited from class Object

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

Constructor Details

OneArgumentOptionHandler

public OneArgumentOptionHandler(CmdLineParser parser,
 OptionDef option,
 Setter<? super T> setter)

Method Details

getDefaultMetaVariable

public String getDefaultMetaVariable()

Description copied from class: OptionHandler

Gets the default meta variable name used to print the usage screen. The value returned by this method can be a reference in the ResourceBundle, if one was passed to CmdLineParser.

Specified by:

getDefaultMetaVariable in class OptionHandler<T>

Returns:

null to hide a meta variable.

parseArguments

public int parseArguments(Parameters params)
                   throws CmdLineException

Description copied from class: OptionHandler

Called if the option that this owner recognizes is found.

Specified by:

parseArguments in class OptionHandler<T>

Parameters:

params - The rest of the arguments. This method can use this object to access the arguments of the option if necessary. The object is valid only during the method call.

Returns:

The number of arguments consumed. (For example, returns 0 if this option doesn't take any parameters.)

Throws:

CmdLineException

parse

protected abstract T parse(String argument)
                    throws NumberFormatException,
CmdLineException

Parses a string to a real value of Type <T>.

Parameters:

argument - String value to parse

Returns:

the parsed value

Throws:

NumberFormatException - if parsing is not possible

CmdLineException - if the parsing encounters a failure that should be reported to the user.