- /*
- * Copyright 2001-2004 The Apache Software Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
- package org.apache.commons.collections.functors;
-
- import java.io.Serializable;
- import java.util.Collection;
-
- import org.apache.commons.collections.Predicate;
-
- /**
- * Predicate implementation that returns true if any of the predicates return true.
- *
- * @since Commons Collections 3.0
- * @version $Revision: 1.6 $ $Date: 2004/05/31 16:43:17 $
- *
- * @author Stephen Colebourne
- */
- public final class AnyPredicate implements Predicate, PredicateDecorator, Serializable {
-
- /** Serial version UID */
- static final long serialVersionUID = 7429999530934647542L;
-
- /** The array of predicates to call */
- private final Predicate[] iPredicates;
-
- /**
- * Factory to create the predicate.
- *
- * @param predicates the predicates to check, cloned, not null
- * @return the <code>any</code> predicate
- * @throws IllegalArgumentException if the predicates array is null
- * @throws IllegalArgumentException if the predicates array has less than 2 elements
- * @throws IllegalArgumentException if any predicate in the array is null
- */
- public static Predicate getInstance(Predicate[] predicates) {
- FunctorUtils.validateMin2(predicates);
- predicates = FunctorUtils.copy(predicates);
- return new AnyPredicate(predicates);
- }
-
- /**
- * Factory to create the predicate.
- *
- * @param predicates the predicates to check, cloned, not null
- * @return the <code>all</code> predicate
- * @throws IllegalArgumentException if the predicates array is null
- * @throws IllegalArgumentException if any predicate in the array is null
- * @throws IllegalArgumentException if the predicates array has less than 2 elements
- */
- public static Predicate getInstance(Collection predicates) {
- Predicate[] preds = FunctorUtils.validate(predicates);
- return new AnyPredicate(preds);
- }
-
- /**
- * Constructor that performs no validation.
- * Use <code>getInstance</code> if you want that.
- *
- * @param predicates the predicates to check, not cloned, not null
- */
- public AnyPredicate(Predicate[] predicates) {
- super();
- iPredicates = predicates;
- }
-
- /**
- * Evaluates the predicate returning true if any predicate returns true.
- *
- * @param object the input object
- * @return true if any decorated predicate return true
- */
- public boolean evaluate(Object object) {
- for (int i = 0; i < iPredicates.length; i++) {
- if (iPredicates[i].evaluate(object)) {
- return true;
- }
- }
- return false;
- }
-
- /**
- * Gets the predicates, do not modify the array.
- *
- * @return the predicates
- * @since Commons Collections 3.1
- */
- public Predicate[] getPredicates() {
- return iPredicates;
- }
-
- }