com.ibm.wala.dynamic
Class Launcher

java.lang.Object
  com.ibm.wala.dynamic.Launcher

Direct Known Subclasses:

BasicLauncher, JavaLauncher

public abstract class Launcher
extends java.lang.Object

Abstract base class for a process launcher

Field Summary

protected java.util.Map	env
protected byte[]	stdErr
protected byte[]	stdOut
protected java.io.File	workingDir

Constructor Summary

protected	Launcher()
protected	Launcher(boolean captureOutput, boolean captureErr)

Method Summary

protected com.ibm.wala.dynamic.Launcher.Drainer	captureStdErr(java.lang.Process p)
protected com.ibm.wala.dynamic.Launcher.Drainer	captureStdOut(java.lang.Process p)
protected java.lang.Thread	drainStdErr(java.lang.Process p)
protected java.lang.Thread	drainStdOut(java.lang.Process p)
java.util.Map	getEnv()
byte[]	getInput()
byte[]	getStderr()
byte[]	getStdOut()
java.io.File	getWorkingDir()
boolean	isCaptureErr()
boolean	isCaptureOutput()
void	setEnv(java.util.Map newEnv)
void	setInput(byte[] input) Set input which will be fed to the launched process's stdin
protected void	setStdErr(byte[] newErr)
protected void	setStdOut(byte[] newOutput)
void	setWorkingDir(java.io.File newWorkingDir)
protected java.lang.Process	spawnProcess(java.lang.String cmd) Spawn a process to execute the given command
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

workingDir

protected java.io.File workingDir

env

protected java.util.Map env

stdOut

protected byte[] stdOut

stdErr

protected byte[] stdErr

Constructor Detail

Launcher

protected Launcher()

Launcher

protected Launcher(boolean captureOutput,
                   boolean captureErr)

Method Detail

getWorkingDir

public java.io.File getWorkingDir()

setWorkingDir

public void setWorkingDir(java.io.File newWorkingDir)

getEnv

public java.util.Map getEnv()

setEnv

public void setEnv(java.util.Map newEnv)

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

spawnProcess

protected java.lang.Process spawnProcess(java.lang.String cmd)
                                  throws java.lang.IllegalArgumentException,
                                         java.io.IOException

Spawn a process to execute the given command

Returns:

an object representing the process

Throws:

WalaException

java.lang.IllegalArgumentException

java.io.IOException

drainStdOut

protected java.lang.Thread drainStdOut(java.lang.Process p)

captureStdOut

protected com.ibm.wala.dynamic.Launcher.Drainer captureStdOut(java.lang.Process p)

drainStdErr

protected java.lang.Thread drainStdErr(java.lang.Process p)

captureStdErr

protected com.ibm.wala.dynamic.Launcher.Drainer captureStdErr(java.lang.Process p)

isCaptureOutput

public boolean isCaptureOutput()

isCaptureErr

public boolean isCaptureErr()

getStdOut

public byte[] getStdOut()

getStderr

public byte[] getStderr()

setStdOut

protected void setStdOut(byte[] newOutput)

setStdErr

protected void setStdErr(byte[] newErr)

getInput

public byte[] getInput()

setInput

public void setInput(byte[] input)

Set input which will be fed to the launched process's stdin