helper method to extract text from a string . ensures that there is significant data ie . non-whitespace after the segment requested . concode_field_sep String wordSeparator concode_elem_sep boolean stripInitialArticle concode_field_sep String filter concode_elem_sep String filter concode_elem_sep String[] getArticleWords
String function ( String arg0 , int arg1 , int arg2 ) { int loc0 = arg1 + arg2 ; while ( loc0 < arg0 . length ( ) && Character . isWhitespace ( arg0 . charAt ( loc0 ) ) ) { loc0 ++ ; } if ( loc0 < arg0 . length ( ) ) { return arg0 . substring ( arg1 , arg1 + arg2 ) ; } return null ; }