ariba.util.io
Class Exec

java.lang.Object
  ariba.util.io.Exec

public final class Exec
extends java.lang.Object

Runtime.exec made simple

Method Summary

static int	exec(java.lang.String[] cmdarray, java.lang.String[] envp, int timeout, java.io.InputStream stdin, java.io.OutputStream stdout, java.io.OutputStream stderr)
static int	execWithMasterPassword(java.lang.String[] cmdarray, java.lang.String[] envp, int timeout, java.io.OutputStream stdout, java.io.OutputStream stderr) Exec the given command adding the master password info if necessary.
static void	main(java.lang.String[] args)

Methods inherited from class java.lang.Object

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

Method Detail

exec

public static int exec(java.lang.String[] cmdarray,
                       java.lang.String[] envp,
                       int timeout,
                       java.io.InputStream stdin,
                       java.io.OutputStream stdout,
                       java.io.OutputStream stderr)
                throws java.io.IOException

Throws:

java.io.IOException

execWithMasterPassword

public static int execWithMasterPassword(java.lang.String[] cmdarray,
                                         java.lang.String[] envp,
                                         int timeout,
                                         java.io.OutputStream stdout,
                                         java.io.OutputStream stderr)
                                  throws java.io.IOException

Exec the given command adding the master password info if necessary. Specifically, the -masterPasswordNoPrompt option is appended to the cmdarray array, and the master password is fetched and passed to the stdin of the exec call.

Two limitations:

(1) Original command that requres input data is not supported. In fact, there is no provision for the caller to provide the stdin (2) The -masterPasswordNoPrompt is appended at the end of the command line array, so commands that pipe or redirect output such as {"tableedit", "-script", "scriptfile", ">", "outfile"} will become {"tableedit", "-script", "scriptfile", ">", "outfile", "-masterPasswordNoPrompt"), which clearly won't work.

Parameters:

cmdarray - the command to execute, must be non null and not empty

envp - the environment to execute, can be mull.

timeout - timeout, a value of timeout will timeout immediately, negative value means no timeout (wait forever)

stdout - the stdout

stderr - the stderr

Returns:

the status of the exec'ed process. A value of 0 indicates normal termination.

Throws:

java.io.IOException - if an I/O error occurs

main

public static void main(java.lang.String[] args)