io.netty.util.internal.ObjectUtil Maven / Gradle / Ivy
/*
* Copyright 2014 The Netty Project
*
* The Netty Project licenses this file to you 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.netty.util.internal;
/**
* A grab-bag of useful utility methods.
*/
public final class ObjectUtil {
private ObjectUtil() {
}
/**
* Checks that the given argument is not null. If it is, throws {@link NullPointerException}.
* Otherwise, returns the argument.
*/
public static T checkNotNull(T arg, String text) {
if (arg == null) {
throw new NullPointerException(text);
}
return arg;
}
}