org.springmodules.validation.util.condition.common.NotCondition Maven / Gradle / Ivy
/*
* 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.common;
import org.springframework.util.Assert;
import org.springmodules.validation.util.condition.AbstractCondition;
import org.springmodules.validation.util.condition.Condition;
/**
* A condition that represents a logical NOT of another condition.
*
* @author Uri Boness
*/
public class NotCondition extends AbstractCondition {
private Condition condition;
/**
* Constructs a new NotCondition with the condition to reverse.
*
* @param condition The condition to reverse.
*/
public NotCondition(Condition condition) {
Assert.notNull(condition, "Condition cannot be null");
this.condition = condition;
}
/**
* Checks and reverses the associated condition on the given object.
*
* @param object The object to be checked.
* @return true if the associated condition returns false, false otherwise.
*/
public boolean doCheck(Object object) {
return !condition.check(object);
}
//============================================= Setter/Getter ===================================================
/**
* Returns the reverse condition associated with this condition.
*
* @return The reverse condition associated with this condition.
*/
public Condition getCondition() {
return condition;
}
}