uk.ac.starlink.task

Class MultiTaskInvoker

java.lang.Object

uk.ac.starlink.task.MultiTaskInvoker

public class MultiTaskInvoker
extends Object

Invokes tasks from a command line when the tasks are available from an ObjectFactory.

Since:

23 Jan 2007

Author:

Mark Taylor

Constructor Summary

Constructors

Constructor and Description
MultiTaskInvoker(String toolName, ObjectFactory<Task> taskFactory) Constructor.

Method Summary

Modifier and Type	Method and Description
String	getVersionMessage() Returns the message to be reported if the "-version" flag is given.
int	invoke(String[] args) Invokes one of the tasks known by this invoker given a command line.
void	setVersionMessage(String msg) Sets the message which will be reported if the "-version" flag is given.

Methods inherited from class java.lang.Object

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

Constructor Detail

MultiTaskInvoker

public MultiTaskInvoker(String toolName,
                        ObjectFactory<Task> taskFactory)

Constructor.

Parameters:

toolName - user-known name for the tool

taskFactory - lists available tasks

Method Detail

invoke

public int invoke(String[] args)

Invokes one of the tasks known by this invoker given a command line. The commmand line is an array of words of the form

    [<flags>] <taskname> [<task-args>]
 

Parameters:

args - command line words

setVersionMessage

public void setVersionMessage(String msg)

Sets the message which will be reported if the "-version" flag is given.

Parameters:

msg - formatted version message

getVersionMessage

public String getVersionMessage()

Returns the message to be reported if the "-version" flag is given.

Returns:

formatted version message