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CS3354 –Assignment 5 solved

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Goal:
The goal of this assignment is to help students understand the concepts of Java GUI
development and Java Logging.
Description:
This assignment extends the shipping store software from Assignment 2, by
replacing console-based user interface with a graphical user interface (GUI), and
adding Java Logging functionality.
All the operations remain the same as in assignment 2, but this time the user
input/output will be handled through a Swing-based Java GUI. The decision
regarding which Swing components should be used to achieve the required
functionality is left to the students. The students may use the solution of assignment
2 provided by the instructor, but they are free to modify the given code to fit their
needs. In the provided solution, the class MainApp acts as the main user interface
and the class ShippingStore acts as the main controller class of the program.
After adding the GUI, all the user input/output will be handled by the GUI. Hence,
the MainApp class will have to be re-written from scratch, whereas, the
ShippingStore class will not require many changes.
In addition, Java Logging should be used to log the user actions and possible errors
or exceptions that may occur during the program execution. Every user interaction
with the GUI (e.g. adding a package, showing the list of packages, completing a sale
transaction, etc.) should be logged at the INFO level and every error or exception
should be logged at the WARNING or SEVERE level, depending on its severity. The
log output should be saved in a log file, in a human readable (not XML) format.
Hint: to log user interactions with the GUI, you can add a log statement at each
Observer included in your program. Errors can be logged inside the catch part of
try-catch statements.
Bonus (10 extra points): Implement your code using multithreading so that if the
methods in the back-end take a long time to execute, your GUI front-end is still
responsive. A delay in execution can be simulated using the sleep() method.
Tasks:
1. Implement the GUI and Logging functionality without using a WYSIWYG GUI
editor. You may still use your favorite IDE to write the code, but you should
add all the GUI components manually by directly editing the code.
2. You may reuse code that was provided by the instructor or useful code that
you may find from other sources to help you build your GUI (e.g.
https://docs.oracle.com/javase/tutorial/uiswing/components/index.html,
http://docs.oracle.com/javase/tutorial/uiswing/examples/misc/index.html)
3. Try to make your program as robust as possible, by using Exception handling
to deal with possible problems that may occur during the program execution.
4. Use a standard Java coding style to improve your program’s visual
appearance and make it more readable. I suggest the BlueJ coding style:
http://www.bluej.org/objects-first/styleguide.html
5. Use Javadoc is for every public class, and every public or protected member
of such a class.
Other classes and members may still have Javadoc as needed. Whenever an
implementation comment would be used to define the overall purpose or
behavior of a class, method or field, that comment is written as Javadoc
instead. (It’s more uniform, and more tool-friendly.)
Logistics:
This assignment can be done and submitted individually or in groups of two
students.
Submit your answer in a single file (assign5_xxxxxx_yyyyyy.zip). The xxxxxx (and
yyyyyy) is your TX State NetID.
Submit an electronic copy only, using the Assignments tool on the TRACS website
for this class. Do NOT include executable or .class files in your submission.