er.extensions
Class ERXRuntimeUtilities

java.lang.Object
  er.extensions.ERXRuntimeUtilities

public class ERXRuntimeUtilities

extends Object

Nested Class Summary

static class

ERXRuntimeUtilities.Result

Field Summary

static ERXLogger

log logging support

Constructor Summary

ERXRuntimeUtilities()

Method Summary

static String	escapePath(String path)
static ERXRuntimeUtilities.Result[]	executeCommandLineCommandsWithEnvVarsInWorkingDir(String[] commands, String[] envp, File dir) Excecutes the specified command line commands.
static ERXRuntimeUtilities.Result	executeCommandLineCommandWithArgumentsWithEnvVarsInWorkingDir(String[] command, String[] envp, File dir) Excecutes the specified command line commands.
static ERXRuntimeUtilities.Result	executeCommandLineCommandWithEnvVarsInWorkingDir(String command, String[] envp, File dir) Excecutes the specified command line command.
static void	freeProcessResources(Process p) Frees all of a resources associated with a given process and then destroys it.

Methods inherited from class java.lang.Object

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

Field Detail

log

public static ERXLogger log

logging support

Constructor Detail

ERXRuntimeUtilities

public ERXRuntimeUtilities()

Method Detail

executeCommandLineCommandsWithEnvVarsInWorkingDir

public static final ERXRuntimeUtilities.Result[] executeCommandLineCommandsWithEnvVarsInWorkingDir(String[] commands,
                                                                                                   String[] envp,
                                                                                                   File dir)
                                                                                            throws IOException

Excecutes the specified command line commands. If envp is not null the environment variables are set before executing the command.

Parameters:

commands - the commands to execute like "ls -la" or "cp /tmp/file1 /tmp/file2" or "open /Applications/*.app"

envp - a String array which represents the environment variables like String[] envp = new String[]{"PATH=/usr/bin:/bin", "CVS_RSH=ssh"}, can be null

dir - a File object representing the working directory, can be null

Returns:

the results from the processes that were executed

Throws:

IOException - if something went wrong

executeCommandLineCommandWithArgumentsWithEnvVarsInWorkingDir

public static final ERXRuntimeUtilities.Result executeCommandLineCommandWithArgumentsWithEnvVarsInWorkingDir(String[] command,
                                                                                                             String[] envp,
                                                                                                             File dir)
                                                                                                      throws IOException

Excecutes the specified command line commands. If envp is not null the environment variables are set before executing the command.

Parameters:

envp - a String array which represents the environment variables like String[] envp = new String[]{"PATH=/usr/bin:/bin", "CVS_RSH=ssh"}, can be null

dir - a File object representing the working directory, can be null

Returns:

the results from the processes that were executed

Throws:

IOException - if something went wrong

executeCommandLineCommandWithEnvVarsInWorkingDir

public static final ERXRuntimeUtilities.Result executeCommandLineCommandWithEnvVarsInWorkingDir(String command,
                                                                                                String[] envp,
                                                                                                File dir)
                                                                                         throws IOException

Excecutes the specified command line command. If envp is not null the environment variables are set before executing the command.

Parameters:

command - the command to execute like "ls -la" or "cp /tmp/file1 /tmp/file2" or "open /Applications/*.app"

envp - a String array which represents the environment variables like String[] envp = new String[]{"PATH=/usr/bin:/bin", "CVS_RSH=ssh"}, can be null

dir - a File object representing the working directory, can be null

Returns:

the result from the process that was executed

Throws:

IOException - if something went wrong

freeProcessResources

public static void freeProcessResources(Process p)

Frees all of a resources associated with a given process and then destroys it.

Parameters:

p - process to destroy

escapePath

public static String escapePath(String path)