Package org.appng.tools.os

Class Command

java.lang.Object

org.appng.tools.os.Command

public class Command
extends Object

Utility class to conveniently execute command via Runtime.exec(String).

Author:

Matthias Müller

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	Command.StreamConsumer<T>	Interface for a type consuming and InputStream.

Field Summary

Fields

Modifier and Type	Field	Description
static int	ERROR
static int	WRONG_OS

Constructor Summary

Constructors

Constructor	Description
Command()

Method Summary

Modifier and Type	Method	Description
static int	execute(String command, Command.StreamConsumer<?> outputConsumer, Command.StreamConsumer<?> errorConsumer)	Executes the given command.
static int	execute(OperatingSystem os, String command, Command.StreamConsumer<?> outputConsumer, Command.StreamConsumer<?> errorConsumer)	Executes the given command, but only if the given OperatingSystem matches.

Methods inherited from class java.lang.Object

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

Field Detail

ERROR

public static final int ERROR

See Also:

Constant Field Values

WRONG_OS

public static final int WRONG_OS

See Also:

Constant Field Values

Constructor Detail

Command

public Command()

Method Detail

execute

public static int execute(String command,
                          Command.StreamConsumer<?> outputConsumer,
                          Command.StreamConsumer<?> errorConsumer)

Executes the given command.

Parameters:

command - the command to execute

outputConsumer - a Command.StreamConsumer to consume Process.getInputStream()

errorConsumer - a Command.StreamConsumer to consume Process.getErrorStream()

Returns:

the value returned by Process.waitFor(), or -1 if an exception occurred while executing the process.

execute

public static int execute(OperatingSystem os,
                          String command,
                          Command.StreamConsumer<?> outputConsumer,
                          Command.StreamConsumer<?> errorConsumer)

Executes the given command, but only if the given OperatingSystem matches.

Parameters:

os - the target OperatingSystem

command - the command to execute

outputConsumer - a Command.StreamConsumer to consume Process.getInputStream()

errorConsumer - a Command.StreamConsumer to consume Process.getErrorStream()

Returns:

the return value of execute(String, StreamConsumer, StreamConsumer), if the current OperatingSystem matches the desired one, otherwise -2

See Also:

execute(String, StreamConsumer, StreamConsumer)