spring ByteArrayMessageConverter 源码
spring ByteArrayMessageConverter 代码
文件路径：/spring-messaging/src/main/java/org/springframework/messaging/converter/ByteArrayMessageConverter.java
/*
* Copyright 2002-2017 the original author or 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
*
* https://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 org.springframework.messaging.converter;
import org.springframework.lang.Nullable;
import org.springframework.messaging.Message;
import org.springframework.messaging.MessageHeaders;
import org.springframework.util.MimeTypeUtils;
/**
* A {@link MessageConverter} that supports MIME type "application/octet-stream" with the
* payload converted to and from a byte[].
*
* @author Rossen Stoyanchev
* @since 4.0
*/
public class ByteArrayMessageConverter extends AbstractMessageConverter {
public ByteArrayMessageConverter() {
super(MimeTypeUtils.APPLICATION_OCTET_STREAM);
}
@Override
protected boolean supports(Class<?> clazz) {
return (byte[].class == clazz);
}
@Override
@Nullable
protected Object convertFromInternal(
Message<?> message, @Nullable Class<?> targetClass, @Nullable Object conversionHint) {
return message.getPayload();
}
@Override
@Nullable
protected Object convertToInternal(
Object payload, @Nullable MessageHeaders headers, @Nullable Object conversionHint) {
return payload;
}
}
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