org.apache.ode.utils.cli

Class Argument

java.lang.Object

org.apache.ode.utils.cli.Argument

All Implemented Interfaces:

CommandlineFragment

Direct Known Subclasses:

LastArgument

public class Argument
extends java.lang.Object
implements CommandlineFragment

Models an argument, e.g., the baz in foo baz, where foo is the command.

Field Summary

Fields inherited from interface org.apache.ode.utils.cli.CommandlineFragment

COMMAND_PREFIX

Constructor Summary

Constructors

Constructor and Description
Argument(java.lang.String argName, java.lang.String description, boolean optional)

Method Summary

Methods

Modifier and Type	Method and Description
java.util.List<java.lang.String>	consume(java.util.List<java.lang.String> s) Grab the pieces of the commandline relevant to this argument, configure the implementation, and then return a new array of arguments that will have the pieces of the original commandline that this command used removed.
java.lang.String	getDescription() Return a description of this commandline fragment.
java.lang.String	getUsage() Construct a usage string for this commandline fragment.
java.lang.String	getValue()
boolean	isOptional()
boolean	isSet()
void	reset() Reset the fragment to its initial state.

Methods inherited from class java.lang.Object

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

Constructor Detail

Argument

public Argument(java.lang.String argName,
        java.lang.String description,
        boolean optional)

Method Detail

reset

public void reset()

Description copied from interface: CommandlineFragment

Reset the fragment to its initial state. This is useful for reusing fragments in multiple commandline structures.

Specified by:

reset in interface CommandlineFragment

consume

public java.util.List<java.lang.String> consume(java.util.List<java.lang.String> s)
                                         throws CommandlineSyntaxException

Description copied from interface: CommandlineFragment

Grab the pieces of the commandline relevant to this argument, configure the implementation, and then return a new array of arguments that will have the pieces of the original commandline that this command used removed.

Specified by:

consume in interface CommandlineFragment

Parameters:

s - the list of arguments

Returns:

the list of arguments, post parse

Throws:

CommandlineSyntaxException - if the commandline is structurally invalid.

isOptional

public boolean isOptional()

Specified by:

isOptional in interface CommandlineFragment

Returns:

true if this fragment is optional.

isSet

public boolean isSet()

getValue

public java.lang.String getValue()

getUsage

public java.lang.String getUsage()

Description copied from interface: CommandlineFragment

Construct a usage string for this commandline fragment. The usage string is used when constructing a strawman commandline example and when formatting help.

Specified by:

getUsage in interface CommandlineFragment

Returns:

the usage string

getDescription

public java.lang.String getDescription()

Description copied from interface: CommandlineFragment

Return a description of this commandline fragment. The description should be a (short) narrative item that describes the purpose of the fragment. It is only used when formatting help.

Specified by:

getDescription in interface CommandlineFragment

Returns:

the description