StringEscapeUtils.unescapeJava should support \u+ notation
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Key: LANG-507
URL:
https://issues.apache.org/jira/browse/LANG-507 Project: Commons Lang
Issue Type: Improvement
Affects Versions: 2.4
Reporter: Gregor B. Rosenauer
Priority: Trivial
Currently, when trying to unescape a String with Unicode escapes in the common notation, e.g., \u+0022, I get a NumberFormatException:
org.apache.commons.lang.exception.NestableRuntimeException: Unable to parse unicode value: +002
Note that the number is also parsed incorrectly as it is shortened by one character (obviously, the parser gets confused by the '+' and only takes up to 4 bytes, so it neglects the last digit).
I am aware that in Java, Unicode is escaped as "\u" followed by 4 bytes that represent the hex code in the Unicode map, but the \u+ notation is commonly used outside the Java world and it would be very handy if StringEscapeUtils supported that, at least as an option.
Would you please consider adding this feature to 3.0?
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