@Override
protected Message createMessage(Object object, MessageProperties messageProperties) {
byte[] bytes = null;
try {
bytes = converter.serialize(object);
} catch (Exception e) {
throw new MessageConversionException("Failed to convert Message content", e);
}
messageProperties.setContentType("appication/protobuf");
if (bytes != null) {
messageProperties.setContentLength(bytes.length);
}
messageProperties.getHeaders().put("__TypeId__", object.getClass().getName());
return new Message(bytes, messageProperties);
}
@Override
public Object fromMessage(Message message) throws MessageConversionException {
Object content = null;
MessageProperties properties = message.getMessageProperties();
if (properties != null) {
String contentType = properties.getContentType();
if (contentType != null && contentType.contains("protobuf")) {
try {
String classId = (String) message.getMessageProperties().getHeaders().get("__TypeId__");
if (classId == null) throw new Exception("no classId found");
Class<?> targetClass = Class.forName(classId);
content = converter.deserialize(message.getBody(), targetClass);
} catch (Exception e) {
throw new MessageConversionException("Failed to convert json-based Message content", e);
}
}
}
if (content == null) {
content = message.getBody();
}
return content;
}