org.codehaus.plexus.util.cli
Class CommandLineUtils

java.lang.Object
  org.codehaus.plexus.util.cli.CommandLineUtils

public abstract class CommandLineUtils

extends java.lang.Object

Version:

$Id: CommandLineUtils.java 7128 2007-12-25 20:07:12Z olamy $

Author:

Trygve Laugstøl

Nested Class Summary

static class

CommandLineUtils.StringStreamConsumer

Constructor Summary

CommandLineUtils()

Method Summary

static int	executeCommandLine(Commandline cl, java.io.InputStream systemIn, StreamConsumer systemOut, StreamConsumer systemErr)
static int	executeCommandLine(Commandline cl, java.io.InputStream systemIn, StreamConsumer systemOut, StreamConsumer systemErr, int timeoutInSeconds)
static int	executeCommandLine(Commandline cl, StreamConsumer systemOut, StreamConsumer systemErr)
static int	executeCommandLine(Commandline cl, StreamConsumer systemOut, StreamConsumer systemErr, int timeoutInSeconds)
static java.util.Properties	getSystemEnvVars()
static java.util.Properties	getSystemEnvVars(boolean caseSensitive) Return the shell environment variables.
static boolean	isAlive(long pid)
static boolean	isAlive(java.lang.Process p)
static void	killProcess(long pid) Kill a process launched by executeCommandLine methods Doesn't work correctly on windows, only the cmd process will be destroy but not the sub process (Bug ID 4770092)
static java.lang.String	quote(java.lang.String argument) Put quotes around the given String if necessary.
static java.lang.String	quote(java.lang.String argument, boolean wrapExistingQuotes) Put quotes around the given String if necessary.
static java.lang.String	quote(java.lang.String argument, boolean escapeSingleQuotes, boolean escapeDoubleQuotes, boolean wrapExistingQuotes)
static java.lang.String	toString(java.lang.String[] line)
static java.lang.String[]	translateCommandline(java.lang.String toProcess)

Methods inherited from class java.lang.Object

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

Constructor Detail

CommandLineUtils

public CommandLineUtils()

Method Detail

executeCommandLine

public static int executeCommandLine(Commandline cl,
                                     StreamConsumer systemOut,
                                     StreamConsumer systemErr)
                              throws CommandLineException

Throws:

CommandLineException

executeCommandLine

public static int executeCommandLine(Commandline cl,
                                     StreamConsumer systemOut,
                                     StreamConsumer systemErr,
                                     int timeoutInSeconds)
                              throws CommandLineException

Throws:

CommandLineException

executeCommandLine

public static int executeCommandLine(Commandline cl,
                                     java.io.InputStream systemIn,
                                     StreamConsumer systemOut,
                                     StreamConsumer systemErr)
                              throws CommandLineException

Throws:

CommandLineException

executeCommandLine

public static int executeCommandLine(Commandline cl,
                                     java.io.InputStream systemIn,
                                     StreamConsumer systemOut,
                                     StreamConsumer systemErr,
                                     int timeoutInSeconds)
                              throws CommandLineException

Throws:

CommandLineException

getSystemEnvVars

public static java.util.Properties getSystemEnvVars()
                                             throws java.io.IOException

Throws:

java.io.IOException

getSystemEnvVars

public static java.util.Properties getSystemEnvVars(boolean caseSensitive)
                                             throws java.io.IOException

Return the shell environment variables. If caseSensitive == true, then envar keys will all be upper-case.

Parameters:

caseSensitive - Whether environment variable keys should be treated case-sensitively.

Returns:

Properties object of (possibly modified) envar keys mapped to their values.

Throws:

java.io.IOException

killProcess

public static void killProcess(long pid)

Kill a process launched by executeCommandLine methods Doesn't work correctly on windows, only the cmd process will be destroy but not the sub process (Bug ID 4770092)

Parameters:

pid - The pid of command return by Commandline.getPid()

isAlive

public static boolean isAlive(long pid)

isAlive

public static boolean isAlive(java.lang.Process p)

translateCommandline

public static java.lang.String[] translateCommandline(java.lang.String toProcess)
                                               throws java.lang.Exception

Throws:

java.lang.Exception

quote

public static java.lang.String quote(java.lang.String argument)
                              throws CommandLineException

Put quotes around the given String if necessary.

If the argument doesn't include spaces or quotes, return it as is. If it contains double quotes, use single quotes - else surround the argument by double quotes.

Throws:

CommandLineException - if the argument contains both, single and double quotes.

quote

public static java.lang.String quote(java.lang.String argument,
                                     boolean wrapExistingQuotes)
                              throws CommandLineException

Put quotes around the given String if necessary.

If the argument doesn't include spaces or quotes, return it as is. If it contains double quotes, use single quotes - else surround the argument by double quotes.

Throws:

CommandLineException - if the argument contains both, single and double quotes.

quote

public static java.lang.String quote(java.lang.String argument,
                                     boolean escapeSingleQuotes,
                                     boolean escapeDoubleQuotes,
                                     boolean wrapExistingQuotes)
                              throws CommandLineException

Throws:

CommandLineException

toString

public static java.lang.String toString(java.lang.String[] line)