Package com.owc.gradle

Class SystemUtility

java.lang.Object

com.owc.gradle.SystemUtility

public class SystemUtility
extends Object

Constructor Summary

Constructors

Constructor	Description
SystemUtility()
SystemUtility(File workingDirectory)

Method Summary

Modifier and Type	Method	Description
String	executeShellCommand(String command)	Executes a shell command and return the output as multiline string
static String	getEnvironmentVariableOrFail(String variableKey)	Extracts the system environment variable value and fails if the value is not present
static String	getEnvironmentVariableOrNull(String variableKey)	Extracts the system environment variable value.

Methods inherited from class java.lang.Object

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

Constructor Details

SystemUtility

public SystemUtility()

SystemUtility

public SystemUtility(File workingDirectory)

Method Details

executeShellCommand

public String executeShellCommand(String command)
                           throws IOException

Executes a shell command and return the output as multiline string

Parameters:

command - the command to execute

Returns:

multiline string representing the result of

Throws:

IOException - if any error happens during the execution of the command, or a stream was closed by the system

getEnvironmentVariableOrFail

public static String getEnvironmentVariableOrFail(String variableKey)
                                           throws IOException

Extracts the system environment variable value and fails if the value is not present

Parameters:

variableKey - the requested variable key

Returns:

variable value

Throws:

IOException - if the environment variable is not defined

getEnvironmentVariableOrNull

public static String getEnvironmentVariableOrNull(String variableKey)

Extracts the system environment variable value. It may return null if the variable is not defined

Parameters:

variableKey - the requested variable key

Returns:

variable value or null if not defined