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/*
* Copyright 2018, OpenCensus 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 io.opencensus.implcore.internal;
import java.util.List;
/** General internal utility methods. */
public final class Utils {
private Utils() {}
/**
* Throws a {@link NullPointerException} if any of the list elements is null.
*
* @param list the argument list to check for null.
* @param errorMessage the message to use for the exception. Will be converted to a string using
* {@link String#valueOf(Object)}.
*/
public static <T> void checkListElementNotNull(
List<T> list, @javax.annotation.Nullable Object errorMessage) {
for (T element : list) {
if (element == null) {
throw new NullPointerException(String.valueOf(errorMessage));
}
}
}
}
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