/*
* Copyright 2004-2005 the original author or authors.
*
* 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.springmodules.validation.util.condition.collection;
import java.lang.reflect.Array;
import java.util.Collection;
/**
* An {@link AbstractCollectionCondition} that checks whether the checked collection or array is empty.
*
* @author Uri Boness
*/
public class IsEmptyCollectionCondition extends AbstractCollectionCondition {
/**
* Checks whether the given array is empty.
*
* @param array The array to be checked.
* @return <code>true</code> if the given array is empty, <code>false</code> otherwise.
*/
protected boolean checkArray(Object array) {
return Array.getLength(array) == 0;
}
/**
* Checks whether the given collection is empty.
*
* @param collection The collection to be checked.
* @return <code>true</code> if the given collection is empty, <code>false</code> otherwise.
*/
protected boolean checkCollection(Collection collection) {
return collection.isEmpty();
}
}