Module net.sourceforge.argparse4j
Class VersionArgumentAction
java.lang.Object
net.sourceforge.argparse4j.impl.action.VersionArgumentAction
- All Implemented Interfaces:
ArgumentAction
Argument action to print version message and exit program.
Please note that this
run(ArgumentParser, Argument, Map, String, Object)
terminates
program after printing the version message. consumeArgument()
always
returns false
.
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionboolean
Returnstrue
if this action consumes argument.void
Called when ArgumentAction is added toArgument
usingArgument.action(ArgumentAction)
.void
Executes this action.Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
Methods inherited from interface net.sourceforge.argparse4j.inf.ArgumentAction
run
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Constructor Details
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VersionArgumentAction
public VersionArgumentAction()
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Method Details
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run
public void run(ArgumentParser parser, Argument arg, Map<String, Object> attrs, String flag, Object value) Description copied from interface:ArgumentAction
Executes this action.
If the objects derived from
RuntimeException
are thrown in this method because of invalid input from command line, subclass must catch these exceptions and wrap them inArgumentParserException
and give simple error message to explain what happened briefly.- Specified by:
run
in interfaceArgumentAction
- Parameters:
parser
- The parser.arg
- The argument this action attached to.attrs
- Map to store attributes.flag
- The actual option flag in command line ifarg
is a named arguments.null
ifarg
is a positional argument.value
- The attribute value. This may be null if this action does not consume any arguments.
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consumeArgument
public boolean consumeArgument()Description copied from interface:ArgumentAction
Returnstrue
if this action consumes argument. Otherwise returnsfalse
.- Specified by:
consumeArgument
in interfaceArgumentAction
- Returns:
true
orfalse
.
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onAttach
Description copied from interface:ArgumentAction
Called when ArgumentAction is added toArgument
usingArgument.action(ArgumentAction)
.- Specified by:
onAttach
in interfaceArgumentAction
- Parameters:
arg
-Argument
object to which this object is added.
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