Package org.apache.commons.jelly.util

Class CommandLineParser

java.lang.Object

org.apache.commons.jelly.util.CommandLineParser

public class CommandLineParser
extends Object

Utility class to parse command line options using CLI. Using a separate class allows us to run Jelly without CLI in the classpath when the command line interface is not in use.

Version:

$Revision: 155420 $

Author:

James Strachan, Morgan Delagrange

Field Summary

Fields

Modifier and Type	Field	Description
protected static CommandLineParser	_instance

Constructor Summary

Constructors

Constructor	Description
CommandLineParser()

Method Summary

Modifier and Type	Method	Description
static CommandLineParser	getInstance()
void	invokeCommandLineJelly(String[] args)	Parse out the command line options and configure the give Jelly instance.
org.apache.commons.cli.CommandLine	parseCommandLineOptions(String[] args)	Parse the command line using CLI.

Methods inherited from class java.lang.Object

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

Field Details

_instance

protected static CommandLineParser _instance

Constructor Details

CommandLineParser

public CommandLineParser()

Method Details

getInstance

public static CommandLineParser getInstance()

invokeCommandLineJelly

public void invokeCommandLineJelly(String[] args)
                            throws JellyException

Parse out the command line options and configure the give Jelly instance.

Parameters:

args - options from the command line

Throws:

JellyException - if the command line could not be parsed

parseCommandLineOptions

public org.apache.commons.cli.CommandLine parseCommandLineOptions(String[] args)
                                                           throws org.apache.commons.cli.ParseException

Parse the command line using CLI. -o and -script are reserved for Jelly. -Dsysprop=sysval is support on the command line as well.

Throws:

org.apache.commons.cli.ParseException