Soundex UDF wrapper for Hive.

soudex-udf.java

@Description(name = "soundex",
value = "_FUNC_(string) - Retrieves the Soundex code for a given string.",
extended = "Example:\n"
			+ " SELECT _FUNC_(input_string) FROM src;")
public final class SoundexUDF extends UDF {

	public Text evaluate(final Text text) {
		if (text == null) { 
			return null; 
		}
		
		String soundex = new Soundex().soundex(text.toString());
		return new Text(soundex);
	}
}