io.nem.core.utils

Class StringUtils

java.lang.Object

io.nem.core.utils.StringUtils

public class StringUtils
extends java.lang.Object

Static class that contains string utility functions.

Constructor Summary

Constructors

Constructor and Description
StringUtils()

Method Summary

Modifier and Type	Method and Description
static boolean	isNullOrEmpty(java.lang.String str) Determines if the specified string is null or empty.
static boolean	isNullOrWhitespace(java.lang.String str) Determines if the specified string is null or whitespace.
static java.lang.String	replaceVariable(java.lang.String string, java.lang.String name, java.lang.String value) Replaces a variable contained in a string with a value.

Methods inherited from class java.lang.Object

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

Constructor Detail

StringUtils

public StringUtils()

Method Detail

isNullOrEmpty

public static boolean isNullOrEmpty(java.lang.String str)

Determines if the specified string is null or empty.

Parameters:

str - The string.

Returns:

true if the string is null or empty.

isNullOrWhitespace

public static boolean isNullOrWhitespace(java.lang.String str)

Determines if the specified string is null or whitespace.

Parameters:

str - The string.

Returns:

true if the string is null or whitespace.

replaceVariable

public static java.lang.String replaceVariable(java.lang.String string,
                                               java.lang.String name,
                                               java.lang.String value)

Replaces a variable contained in a string with a value. A variable is defined as ${variable}. This pattern is replaced by the given value.

Parameters:

string - String that contains variables.

name - Name of the variable to be replaced with its value.

value - Value that will replace the variable.

Returns:

string with value replacing the variable with the given name