Swagger + Octet/Stream 문제 상황에 대해 더 명확한 이해를 가지고 이를 녹여낼 수 있는 구조로 코드 리팩토링

src/main/java/com/stream/configuration/WebConfig.java

@@ -0,0 +1,25 @@
+package com.stream.configuration;
+
+import java.util.List;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.http.converter.HttpMessageConverter;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+
+import com.stream.msgconverter.OctetStreamReadMsgConverter;
+
+@Configuration
+public class WebConfig implements WebMvcConfigurer {
+	private OctetStreamReadMsgConverter octetStreamReadMsgConverter;
+
+	@Autowired
+	public WebConfig(OctetStreamReadMsgConverter octetStreamReadMsgConverter) {
+		this.octetStreamReadMsgConverter = octetStreamReadMsgConverter;
+	}
+
+	@Override
+	public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
+		converters.add(octetStreamReadMsgConverter);
+	}
+}

src/main/java/com/stream/msgconverter/OctetStreamReadMsgConverter.java

@@ -0,0 +1,33 @@
+package com.stream.msgconverter;
+
+import java.lang.reflect.Type;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.MediaType;
+import org.springframework.http.converter.json.AbstractJackson2HttpMessageConverter;
+import org.springframework.stereotype.Component;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+@Component
+public class OctetStreamReadMsgConverter extends AbstractJackson2HttpMessageConverter {
+	@Autowired
+	public OctetStreamReadMsgConverter(ObjectMapper objectMapper) {
+		super(objectMapper, MediaType.APPLICATION_OCTET_STREAM);
+	}
+
+	@Override
+	public boolean canWrite(Class<?> clazz, MediaType mediaType) {
+		return false;
+	}
+
+	@Override
+	public boolean canWrite(Type type, Class<?> clazz, MediaType mediaType) {
+		return false;
+	}
+
+	@Override
+	protected boolean canWrite(MediaType mediaType) {
+		return false;
+	}
+}