question: public void addData ( String name , InputStream data , long dataSize , String mimeType ) { args . put ( name , data ) ; if ( ! filenames . containsKey ( name ) ) { filenames . put ( name , name ) ; } filesizes . put ( name , String . valueOf ( dataSize ) ) ; mimeTypes . put ( name , mimeType ) ; }
target:  Adds a binary argument to the arguments, notice the input stream will be  read only during submission