Rio Project 4.2 API Documentation

org.rioproject.exec
Class Util

java.lang.Object
  org.rioproject.exec.Util

public class Util
extends Object

Helpful utilities

Author:

Dennis Reedy

Field Summary

static String	COMPONENT
static String	RESOURCE_ROOT

Constructor Summary

Util()

Method Summary

static void	chmod(File file, String perms) Run chmod
static void	chmodX(File file) Apply execute permissions for a file
static void	close(Closeable c)
static ExecDescriptor	extendCommandLine(String root, ExecDescriptor exec) Extend command line, inserting the root directory in front of the command line of the extension
static URL	getResource(String resource) Get a resource using the current context classloader
static String	replace(String str, String pattern, String replace) Search and Replace
static int	runShellScript(File shellScript) Run (exec) a shell script
static int	runShellScript(File shellScript, boolean sync) Run (exec) a shell script
static void	writeFile(String contents, File file) Write contents to a file

Methods inherited from class java.lang.Object

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

Field Detail

COMPONENT

public static final String COMPONENT

RESOURCE_ROOT

public static final String RESOURCE_ROOT

Constructor Detail

Util

public Util()

Method Detail

getResource

public static URL getResource(String resource)
                       throws IOException

Get a resource using the current context classloader

Parameters:

resource - The resource name

Returns:

The URL of the loaded resource

Throws:

IOException - If the resource cannot be loaded

chmod

public static void chmod(File file,
                         String perms)
                  throws IOException

Run chmod

Parameters:

file - The file to chmod

perms - The permissions to chmod

Throws:

IOException - If the command does not execute

chmodX

public static void chmodX(File file)
                   throws IOException

Apply execute permissions for a file

Parameters:

file - The file to apply execute permissions on

Throws:

IOException - If the command does not execute

close

public static void close(Closeable c)

writeFile

public static void writeFile(String contents,
                             File file)
                      throws IOException

Write contents to a file

Parameters:

contents - The contents to write

file - The file to write to

Throws:

IOException - If the file cannot be wrriten to

runShellScript

public static int runShellScript(File shellScript)
                          throws IOException

Run (exec) a shell script

Parameters:

shellScript - The shell script file to exec

Returns:

The exit value of the exec'ed process

Throws:

IOException - If the process cannot be created

runShellScript

public static int runShellScript(File shellScript,
                                 boolean sync)
                          throws IOException

Run (exec) a shell script

Parameters:

shellScript - The shell script file to exec

sync - If true wait for the process to complete

Returns:

The exit value of the exec'ed process

Throws:

IOException - If the process cannot be created

extendCommandLine

public static ExecDescriptor extendCommandLine(String root,
                                               ExecDescriptor exec)

Extend command line, inserting the root directory in front of the command line of the extension

Parameters:

root - The root directory name

exec - The ExecDescriptor

Returns:

A modified ExecDescriptor

replace

public static String replace(String str,
                             String pattern,
                             String replace)

Search and Replace

Parameters:

str - The string to replace tokens for

pattern - The pattern to look for

replace - The replacement for the pattern

Returns:

A string with tokens replaced