replaceEmpty
Description: The replaceEmpty
function returns the argument if the Subject is null or if the Subject consists only of
white space (new line, carriage return, tab, space). Otherwise, returns the Subject.
Subject Type: String
Arguments:
Replacement : The value to return if the Subject is null or empty.
Return Type: String
Examples: If the attribute "filename" has the
value "a brand new filename.txt" and the attribute "hello" has the value
"", then the Expression
${filename:replaceEmpty('abc')}
will return "a brand new
filename.txt", while ${hello:replaceEmpty('abc')}
will
return "abc".