com.thebuzzmedia.exiftool.commons.lang.Objects Maven / Gradle / Ivy
/**
* Copyright 2011 The Buzz Media, LLC
* Copyright 2015-2019 Mickael Jeanroy
*
* 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 com.thebuzzmedia.exiftool.commons.lang;
/**
* Static Objects Utilities.
*/
public final class Objects {
// Ensure non instantiation.
private Objects() {
}
/**
* Returns the first of two given parameters that is not {@code null}.
*
* @param val1 First value.
* @param val2 Second value.
* @param others Other value.
* @param Type of parameters.
* @return First parameter if it is not {@code null}, second parameter otherwise.
*/
@SafeVarargs
public static T firstNonNull(T val1, T val2, T... others) {
if (val1 != null) {
return val1;
}
if (val2 != null) {
return val2;
}
for (T current : others) {
if (current != null) {
return current;
}
}
return null;
}
}
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