org.apache.river.tool.envcheck

Class SubVM

java.lang.Object

org.apache.river.tool.envcheck.SubVM

public class SubVM
extends Object

A container for a subtask which runs in a separate and returns a single object by writing that object to System.out.

Field Summary

Fields

Modifier and Type	Field and Description
private static PrintStream	origOut

Constructor Summary

Constructors

Constructor and Description
SubVM()

Method Summary

Modifier and Type	Method and Description
static void	main(String[] args) Entry point for the subtask.
private static void	writeResponse(Object obj) Write the serialized form of the given object to System.out.

Methods inherited from class java.lang.Object

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

Field Detail

origOut

private static PrintStream origOut

Constructor Detail

SubVM

public SubVM()

Method Detail

main

public static void main(String[] args)

Entry point for the subtask. The first element of args must name a SubVMTask to run; the remaining elements comprise the arguments for the subtask. That task is instantiated, and its run(String[] args) method called passing an array containing only the subtask arguments. The object returned by the run method is written to System.out. If the run method throws an exception, then that exception is written to System.out instead.

Parameters:

args - the command line arguments

writeResponse

private static void writeResponse(Object obj)
                           throws Throwable

Write the serialized form of the given object to System.out.

Parameters:

obj - the object to write

Throws:

Throwable