/* * Copyright (c) 2012-2013 Spotify AB * * 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.spotify.netty4.handler.codec.zmtp; import static java.lang.String.format; class ZMTPUtils { static <T> T checkNotNull(final T obj, final String message) { if (obj == null) { throw new NullPointerException(message); } return obj; } static void checkArgument(final boolean expression, final String message, final Object... args) { if (!expression) { throw new IllegalArgumentException(format(message, args)); } } }