Accordingly, the mediation flow transforms the content of the binary payload to string format to be part of the XML making the SOAP request that is passed to the back end service.
3
步骤(4)通过将字符串转换成字节序列(比如二进制)准备好通过流发送的请求。
Step (4) prepares the request to be sent over the stream by converting the string into an array of bytes, i.e. binary.