Class BasicLauncher

java.lang.Object

com.ibm.wala.util.processes.Launcher

com.ibm.wala.util.processes.BasicLauncher

public class BasicLauncher
extends Launcher

A generic process launcher

Nested Class Summary

Nested classes/interfaces inherited from class Launcher

Launcher.Drainer

Modifier and Type	Class	Description
protected class	Launcher.Drainer	A thread that runs in a loop, performing the drain() action until a process terminates

Field Summary

Fields

Modifier and Type	Field	Description
protected @Nullable String	cmd

Fields inherited from class Launcher

env, stdErr, stdOut, workingDir

Modifier and Type	Field	Description
protected @Nullable Map<String,String>	env
protected byte @Nullable []	stdErr
protected byte @Nullable []	stdOut
protected @Nullable File	workingDir

Constructor Summary

Constructors

Constructor	Description
BasicLauncher(boolean captureOutput, boolean captureErr, Logger logger)

Method Summary

Modifier and Type	Method	Description
@Nullable String	getCmd()
int	launch()	Launch the process and wait until it is finished.
void	setCmd(String newCmd)
String	toString()

Methods inherited from class Launcher

captureStdErr, captureStdOut, drainStdErr, drainStdOut, getEnv, getInput, getStderr, getStdOut, getWorkingDir, isCaptureErr, isCaptureOutput, setEnv, setInput, setStdErr, setStdOut, setWorkingDir, spawnProcess, spawnProcess

Modifier and Type	Method	Description
protected Launcher.Drainer	captureStdErr(Process p)
protected Launcher.Drainer	captureStdOut(Process p)
protected Thread	drainStdErr(Process p)
protected Thread	drainStdOut(Process p)
@Nullable Map<String,String>	getEnv()
@Nullable byte[]	getInput()
@Nullable byte[]	getStderr()
@Nullable byte[]	getStdOut()
@Nullable File	getWorkingDir()
boolean	isCaptureErr()
boolean	isCaptureOutput()
void	setEnv(Map<String,String> 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(File newWorkingDir)
protected Process	spawnProcess(@Nullable String cmd)	Spawn a process to execute the given command
protected Process	spawnProcess(String[] cmd)	Spawn a process to execute the given command

Methods inherited from class Object

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

Field Details

cmd

protected @Nullable String cmd

Constructor Details

BasicLauncher

public BasicLauncher(boolean captureOutput,
 boolean captureErr,
 Logger logger)

Method Details

getCmd

public @Nullable String getCmd()

setCmd

public void setCmd(String newCmd)

toString

public String toString()

Overrides:

toString in class Launcher

launch

public int launch()
           throws IllegalArgumentException,
IOException

Launch the process and wait until it is finished. Returns the exit value of the process.

Throws:

IllegalArgumentException

IOException