Entry No.3
date: 25th, April

A new AS2Message class
A class called AS2Message is found in the existing program but was never used.

The class basically receives http request and construct an AS2Message object from the headers.  Also this class has lots of properties
which hold the information/headers of the message.

We decided to inherit this idea as well as keeping the NetLib class's static Send methods.  From this we designed the As2Message class as follows:
AS2Message Class Diagram

As shown in the class diagram, an AS2Message object has
instance variables, which hold the information/headers of the message received.
constructor, which constructs the AS2Message object from the received http request
static Send methods, which can be called by the sender to send different types of messages

The AS2Message object is only constructed at the receiving side.  On client side, the sender uses AS2Message class's static Send methods to send various messages and no AS2Message object is constructed on client side.  The class is used on both sides but used for different purpose.

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