chord.util
Class ProcessExecutor

java.lang.Object
  chord.util.ProcessExecutor

public final class ProcessExecutor
extends java.lang.Object

Utility to execute a system command specified as a string in a separate process.

Author:

Mayur Naik (mhn@cs.stanford.edu)

Constructor Summary

ProcessExecutor()

Method Summary

static int	execute(java.lang.String[] cmdarray)
static int	execute(java.lang.String[] cmdarray, java.lang.String[] envp, java.io.File dir, int timeout) Executes a given system command specified as a string in a separate process.
static java.lang.Process	executeAsynch(java.lang.String[] cmdarray, java.lang.String[] envp, java.io.File dir)

Methods inherited from class java.lang.Object

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

Constructor Detail

ProcessExecutor

public ProcessExecutor()

Method Detail

execute

public static final int execute(java.lang.String[] cmdarray)
                         throws java.lang.Throwable

Throws:

java.lang.Throwable

execute

public static final int execute(java.lang.String[] cmdarray,
                                java.lang.String[] envp,
                                java.io.File dir,
                                int timeout)
                         throws java.lang.Throwable

Executes a given system command specified as a string in a separate process.

The invoking process waits till the invoked process finishes.

Parameters:

cmdarray - A system command to be executed.

Returns:

The exit value of the invoked process. By convention, 0 indicates normal termination.

Throws:

java.lang.Throwable

executeAsynch

public static final java.lang.Process executeAsynch(java.lang.String[] cmdarray,
                                                    java.lang.String[] envp,
                                                    java.io.File dir)
                                             throws java.lang.Throwable

Throws:

java.lang.Throwable