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I’m using Java sockets for client – server application. I have a situation when sometimes client needs to send a byte array (using byteArrayOutputStream) and sometimes it should send a custom java object. How can I read the information from the input stream on the server side and determine what is in the stream so that I can properly process that?
First read the data into a byte array on the server. Write your own parsing routine to do nothing more than identify what is in the byte array.
Second perform the full object parsing based on the identification from step one. If the parsing requires passing an inputstream, you can always put the byte array you read in step one into a new ByteArrayInputStream instance.