question: public String encode ( String pString ) throws EncoderException { if ( pString == null ) { return null ; } try { return encode ( pString , getDefaultCharset ( ) ) ; } catch ( UnsupportedEncodingException e ) { throw new EncoderException ( e . getMessage ( ) ) ; } }
target:  Encodes a string into its URL safe form using the default string  charset. Unsafe characters are escaped.