org.omnifaces.el.functions.Objects Maven / Gradle / Ivy
/*
* Copyright 2013 OmniFaces.
*
* 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.omnifaces.el.functions;
/**
* Collection of EL functions for objects.
*
* @author Bauke Scholtz
*/
public final class Objects {
// Constructors ---------------------------------------------------------------------------------------------------
private Objects() {
// Hide constructor.
}
// Utility --------------------------------------------------------------------------------------------------------
/**
* Returns the first non-null object from the provided two objects. So, if the first object is not
* null, then it will be returned, otherwise the second object will be returned.
* @param first The first object.
* @param second The second object.
* @return The first non-null object from the provided two objects.
*/
public static Object coalesce(Object first, Object second) {
return first != null ? first : second;
}
}