001/* 002 * Copyright 2002-2017 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * https://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package org.springframework.messaging.converter; 018 019import org.springframework.lang.Nullable; 020import org.springframework.messaging.Message; 021import org.springframework.messaging.MessageHeaders; 022import org.springframework.util.MimeTypeUtils; 023 024/** 025 * A {@link MessageConverter} that supports MIME type "application/octet-stream" with the 026 * payload converted to and from a byte[]. 027 * 028 * @author Rossen Stoyanchev 029 * @since 4.0 030 */ 031public class ByteArrayMessageConverter extends AbstractMessageConverter { 032 033 public ByteArrayMessageConverter() { 034 super(MimeTypeUtils.APPLICATION_OCTET_STREAM); 035 } 036 037 038 @Override 039 protected boolean supports(Class<?> clazz) { 040 return (byte[].class == clazz); 041 } 042 043 @Override 044 @Nullable 045 protected Object convertFromInternal( 046 Message<?> message, @Nullable Class<?> targetClass, @Nullable Object conversionHint) { 047 048 return message.getPayload(); 049 } 050 051 @Override 052 @Nullable 053 protected Object convertToInternal( 054 Object payload, @Nullable MessageHeaders headers, @Nullable Object conversionHint) { 055 056 return payload; 057 } 058 059}