org.jmacs.pd
Class StartProgram

java.lang.Object
  org.jmacs.pd.StartProgram

All Implemented Interfaces:

Serializable

public class StartProgram
extends Object
implements Serializable

immutable command to start the specified program.

Version:

$Id: StartProgram.java 2050 2007-08-09 18:58:16Z rob $

Author:

Rob Dickens

See Also:

Serialized Form

Constructor Summary

StartProgram(String classname, URL codebaseUrl)
creates new instance.

StartProgram(URL url)
creates new instance.

Method Summary

IProgram	createProgram() returns a new instance of the program.
static IProgram	createProgram(String classname, URL codebaseUrl) returns a new instance of the specified program, using a new classloader so as to ensure we get the latest version.
static IProgram	createProgram(URL url) deserialises and returns a new instance of the specified serialised program.

Methods inherited from class java.lang.Object

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

Constructor Detail

StartProgram

public StartProgram(URL url)

creates new instance.

Parameters:

url - of serialised program instance.

StartProgram

public StartProgram(String classname,
                    URL codebaseUrl)

creates new instance.

Parameters:

classname - fully qualified, of program

codebaseUrl - from which class should be loaded

Method Detail

createProgram

public static IProgram createProgram(String classname,
                                     URL codebaseUrl)
                              throws ClassNotFoundException,
                                     InstantiationException,
                                     IllegalAccessException

returns a new instance of the specified program, using a new classloader so as to ensure we get the latest version. The classloader's parent will be the context classloader.

Throws:

ClassNotFoundException

InstantiationException

IllegalAccessException

createProgram

public static IProgram createProgram(URL url)
                              throws ClassNotFoundException,
                                     IOException

deserialises and returns a new instance of the specified serialised program.

Throws:

ClassNotFoundException

IOException

createProgram

public IProgram createProgram()
                       throws IOException,
                              ClassNotFoundException,
                              InstantiationException,
                              IllegalAccessException

returns a new instance of the program.

Throws:

IOException

ClassNotFoundException

InstantiationException

IllegalAccessException