groovy.util.XmlParser
trims whitespace by default. When parsing XML files with text nodes that contain trailing whitespace, for example, whitespace is removed in the Node returned by the parser.
def parser = new XmlParser()
def doc = parser.parseText("ABC ")
assert doc.data.text() == "ABC" // Not "ABC "!
To preserve whitespace, set the trimWhitespace property to false:
def parser = new XmlParser(trimWhitespace: false)
def doc = parser.parseText("ABC ")
assert doc.data.text() == "ABC "