org.daisy.common.shell

Class CommandRunner

java.lang.Object

org.daisy.common.shell.CommandRunner

public class CommandRunner
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	CommandRunner.Consumer<T> Version of java.util.function.Consumer that can throw checked exceptions.

Constructor Summary

Constructors

Constructor and Description
CommandRunner(String... command)

Method Summary

Modifier and Type	Method and Description
CommandRunner	consumeError(CommandRunner.Consumer<InputStream> consumer)
CommandRunner	consumeError(org.slf4j.Logger logger)
CommandRunner	consumeOutput(CommandRunner.Consumer<InputStream> consumer)
CommandRunner	feedInput(byte[] bytes)
CommandRunner	feedInput(CommandRunner.Consumer<OutputStream> feeder)
int	run() Run the command and wait for the process to finish.
static int	run(String... command)
int	run(Supplier<Long> timeout)

Methods inherited from class java.lang.Object

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

Constructor Detail

CommandRunner

public CommandRunner(String... command)

Method Detail

consumeOutput

public CommandRunner consumeOutput(CommandRunner.Consumer<InputStream> consumer)

Parameters:

consumer - The normal output of the subprocess is passes as an InputStream to this object. If null, the stream is discarded.

consumeError

public CommandRunner consumeError(CommandRunner.Consumer<InputStream> consumer)

Parameters:

consumer - The error output of the subprocess is passed as an InputStream to this object. If null, the stream is discarded.

consumeError

public CommandRunner consumeError(org.slf4j.Logger logger)

Parameters:

logger - If the subprocess generated error output, write it to this Logger object.

feedInput

public CommandRunner feedInput(CommandRunner.Consumer<OutputStream> feeder)

Parameters:

feeder - The normal input of the subprocess is passed as an OutputStream to this object.

feedInput

public CommandRunner feedInput(byte[] bytes)

Parameters:

bytes - These bytes are written to the normal input of the subprocess.

run

public int run()
        throws InterruptedException,
               Throwable

Run the command and wait for the process to finish.

Returns:

The exit value.

Throws:

InterruptedException - if the current thread is interrupted while the process is running

Throwable

run

public int run(Supplier<Long> timeout)
        throws TimeoutException,
               InterruptedException,
               Throwable

Throws:

TimeoutException

InterruptedException

Throwable

run

public static int run(String... command)
               throws Throwable

Throws:

Throwable