Package org.eclipse.cdt.utils.envvar

Class EnvVarOperationProcessor

java.lang.Object

org.eclipse.cdt.utils.envvar.EnvVarOperationProcessor

public class EnvVarOperationProcessor
extends Object

This is an utility class that implements environment variable operations functionality: append, prepend, replace and remove

Since:

3.0

Constructor Summary

Constructors

Constructor	Description
EnvVarOperationProcessor()

Method Summary

Modifier and Type	Method	Description
static List<String>	convertToList(String value, String delimiter)	Converts a given value to string using a delimiter passed to this method
static String	convertToString(List<String> list, String delimiter)	Converts list to a single String using a given delimiter to separate the list value in the resulting String
static IEnvironmentVariable[]	filterVariables(IEnvironmentVariable[] variables, String[] remove)
static String	normalizeName(String name)	normalizes the variable name.
static String	performAppend(String initialValue, String addValue, String delimiter)	performs append given an initial String, a string to be appended and a delimiter Returns a String representing the result of the operation
static String	performAppendPrepend(String initialValue, String addValue, String delimiter, boolean prepend)	performs append or prepend given an initial String, a string to be appended/prepended and a delimiter Returns a String representing the result of the operation
static String	performOperation(String initialValue, String newValue, String delimiter, int op)	performs an environment variable operation Returns String representing the result of the operation
static IEnvironmentVariable	performOperation(IEnvironmentVariable initial, IEnvironmentVariable added)	performs the environment variable operation given an initial variable and a variable representing an operation to be performed Returns a new variable the represents the result of a performed operation
static String	performPrepend(String initialValue, String addValue, String delimiter)	performs prepend given an initial String, a string to be prepended and a delimiter Returns a String representing the result of the operation
static List<String>	removeDuplicates(List<String> value, List<String> duplicates)	removes duplicates

Methods inherited from class java.lang.Object

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

Constructor Details

EnvVarOperationProcessor

public EnvVarOperationProcessor()

Method Details

performOperation

public static IEnvironmentVariable performOperation(IEnvironmentVariable initial,
 IEnvironmentVariable added)

performs the environment variable operation given an initial variable and a variable representing an operation to be performed Returns a new variable the represents the result of a performed operation

Parameters:

initial - the initial variable

added - the variable that specifies an operation to be performed on the initial variable value

Returns:

the new variable the represents the result of a performed operation

performAppendPrepend

public static String performAppendPrepend(String initialValue,
 String addValue,
 String delimiter,
 boolean prepend)

performs append or prepend given an initial String, a string to be appended/prepended and a delimiter Returns a String representing the result of the operation

Parameters:

initialValue -

addValue -

delimiter -

prepend -

Returns:

String

performAppend

public static String performAppend(String initialValue,
 String addValue,
 String delimiter)

performs append given an initial String, a string to be appended and a delimiter Returns a String representing the result of the operation

Parameters:

initialValue -

addValue -

delimiter -

Returns:

String

performPrepend

public static String performPrepend(String initialValue,
 String addValue,
 String delimiter)

performs prepend given an initial String, a string to be prepended and a delimiter Returns a String representing the result of the operation

Parameters:

initialValue -

addValue -

delimiter -

Returns:

String

performOperation

public static String performOperation(String initialValue,
 String newValue,
 String delimiter,
 int op)

performs an environment variable operation Returns String representing the result of the operation

Parameters:

initialValue -

newValue -

delimiter -

op -

Returns:

String

convertToList

public static List<String> convertToList(String value,
 String delimiter)

Converts a given value to string using a delimiter passed to this method

Parameters:

value -

delimiter -

removeDuplicates

public static List<String> removeDuplicates(List<String> value,
 List<String> duplicates)

removes duplicates

convertToString

public static String convertToString(List<String> list,
 String delimiter)

Converts list to a single String using a given delimiter to separate the list value in the resulting String

Parameters:

list -

delimiter -

Returns:

String

normalizeName

public static String normalizeName(String name)

normalizes the variable name. That is: removes prepended and appended spaces

Returns:

the normalized name or null in case the name is not valid

filterVariables

public static IEnvironmentVariable[] filterVariables(IEnvironmentVariable[] variables,
 String[] remove)