001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.apache.camel.util; 018 019import java.nio.Buffer; 020 021public final class BufferCaster { 022 023 private BufferCaster() { 024 } 025 026 /** 027 * Without this cast, when the code compiled by Java 9+ is executed on Java 8, it will throw 028 * java.lang.NoSuchMethodError: Method flip()Ljava/nio/ByteBuffer; does not exist in class java.nio.ByteBuffer This 029 * is true for other method too: we list them here for completeness: position(int), limit(int), mark(), reset(), 030 * clear() and rewind() 031 */ 032 @SuppressWarnings("RedundantCast") 033 public static <T extends Buffer> Buffer cast(T byteBuffer) { 034 return (Buffer) byteBuffer; 035 } 036 037}