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

Field Summary

Fields

Modifier and Type	Field and Description
static int	ERROR
static int	WRONG_OS

Constructor Summary

Constructors

Constructor and Description
Command()

Method Summary

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

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)