1 package net.sourceforge.pmd.util.filter; 2 3 /** 4 * A logical NEGATION of a Filter. 5 * 6 * @param <T> 7 * The underlying type on which the filter applies. 8 */ 9 public class NotFilter<T> extends AbstractDelegateFilter<T> { 10 public NotFilter() { 11 super(); 12 } 13 14 public NotFilter(Filter<T> filter) { 15 super(filter); 16 } 17 18 public boolean filter(T obj) { 19 return !filter.filter(obj); 20 } 21 22 public String toString() { 23 return "not (" + filter + ")"; 24 } 25 }