question: returns the string value of the token if it was type token_string . otherwise null is returned . concode_field_sep int TOKEN_END concode_elem_sep int TOKEN_STRING concode_elem_sep int TOKEN_LT concode_elem_sep String tokenVal concode_elem_sep int TOKEN_RBRACE concode_elem_sep int TOKEN_NOT concode_elem_sep int TOKEN_AND concode_elem_sep int length concode_elem_sep int TOKEN_OR concode_elem_sep int index concode_elem_sep int TOKEN_GE concode_elem_sep int TOKEN_GT concode_elem_sep int TOKEN_LE concode_elem_sep int TOKEN_NOT_EQ concode_elem_sep int TOKEN_LBRACE concode_elem_sep char[] expr concode_elem_sep int TOKEN_EQ concode_field_sep boolean hasMoreTokens concode_elem_sep boolean isMetaChar concode_elem_sep int getIndex concode_elem_sep int nextToken
target: String function ( ) { return tokenVal ; }