@Override
			protected boolean matches(Object item, Description mismatchDescription) {
				matcher.describeMismatch(item, mismatchDescription);
				TableRow row = (TableRow) item;
				return matcher.matches(row.getValue(columnNumber));
			}
A matcher that matches if contents of some column matches.
spring-xd-shell/src/test/java/org/springframework/xd/shell/util/TableMatchers.java