org.apache.commons.jelly.util
Class CommandLineParser

java.lang.Object
  org.apache.commons.jelly.util.CommandLineParser

public class CommandLineParser
extends java.lang.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: 1807798 $

Author:

James Strachan, Morgan Delagrange

Field Summary

protected static CommandLineParser	_instance
private org.apache.commons.cli.Options	cmdLineOptions

Constructor Summary

CommandLineParser()

Method Summary

static CommandLineParser	getInstance()
void	invokeCommandLineJelly(java.lang.String[] args) Parse out the command line options and configure the give Jelly instance.
org.apache.commons.cli.CommandLine	parseCommandLineOptions(java.lang.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 Detail

_instance

protected static CommandLineParser _instance

cmdLineOptions

private org.apache.commons.cli.Options cmdLineOptions

Constructor Detail

CommandLineParser

public CommandLineParser()

Method Detail

getInstance

public static CommandLineParser getInstance()

invokeCommandLineJelly

public void invokeCommandLineJelly(java.lang.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(java.lang.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