UnicodeUnescaper

@Deprecated public class org.apache.commons.lang3.text.translate.UnicodeUnescaper extends CharSequenceTranslator

Deprecated: As of 3.6, use Apache Commons Text UnicodeUnescaper.

Translates escaped Unicode values of the form \u+\d\d\d\d back to Unicode. It supports multiple ‘u’ characters and will work with or without the +.

Only ASCII hexadecimal digits ([0-9a-fA-F]) are accepted in the four-digit value. Malformed sequences - non-ASCII-hex digits, sign characters, or an escape truncated by the end of the input - are not translated and pass through unchanged.

Since:

3.0

Constructors

UnicodeUnescaper()

Constructs a new instance.

public UnicodeUnescaper()

Constructs a new instance.

Methods

translate(CharSequence, int, Writer)

Translate a set of code points, represented by an int index into a CharSequence, into another set of code points.

@Override public int translate(CharSequence input, int index, Writer out) throws IOException

Translate a set of code points, represented by an int index into a CharSequence, into another set of code points. The number of code points consumed must be returned, and the only IOExceptions thrown must be from interacting with the Writer so that the top level API may reliably ignore StringWriter IOExceptions.

Parameters:

• input – CharSequence that is being translated.

• index – int representing the current point of translation.

• out – Writer to translate the text to.

Returns:

int count of code points consumed.

Throws:

java.io.IOException – Thrown if and only if the Writer produces an IOException.