[CT414]: Add Assignment 1

year4/semester2/CT414/assignments/assignment1/code/.gitignore

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+### IntelliJ IDEA ###
+out/
+!**/src/main/**/out/
+!**/src/test/**/out/
+
+### Eclipse ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+bin/
+!**/src/main/**/bin/
+!**/src/test/**/bin/
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+
+### VS Code ###
+.vscode/
+.idea/
+
+### Mac OS ###
+.DS_Store
+
+code.iml

year4/semester2/CT414/assignments/assignment1/code/src/exceptions/InvalidCredentialsException.java

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+package exceptions;
+
+import java.rmi.RemoteException;
+
+public class InvalidCredentialsException extends RemoteException {
+    public InvalidCredentialsException() {
+        super("Invalid username or password.");
+    }
+
+    public InvalidCredentialsException(String message) {
+        super(message);
+    }
+}

year4/semester2/CT414/assignments/assignment1/code/src/exceptions/InvalidSessionIDException.java

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+package exceptions;
+
+import java.rmi.RemoteException;
+
+public class InvalidSessionIDException extends RemoteException {
+    public InvalidSessionIDException() {
+        super("Invalid or expired session ID.");
+    }
+
+    public InvalidSessionIDException(String message) {
+        super(message);
+    }
+}

year4/semester2/CT414/assignments/assignment1/code/src/implementations/ApplicationFormV1.java

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+package implementations;
+
+import interfaces.*;
+import java.util.*;
+import java.rmi.*;
+
+public class ApplicationFormV1 implements ApplicationForm {
+    private String formInfo = "University of Galway Application Form - Version 1";
+    private String[] questions = new String[5];
+    private String[] answers = new String[5];
+
+    public ApplicationFormV1() {
+        questions[0] = "What is your full name?";
+        questions[1] = "What is your address?";
+        questions[2] = "What is your e-mail address?";
+        questions[3] = "What is your contact number?";
+        questions[4] = "Provide a personal statement (e.g., additional details about yourself, a summary of your existing qualifications or results).";
+    }
+
+    @Override
+    public String getFormInfo() throws RemoteException {
+        return formInfo;
+    }
+
+    @Override
+    public int getTotalQuestions() throws RemoteException {
+        return questions.length;
+    }
+
+    @Override
+    public String getQuestion(int questionNumber) throws RemoteException, IllegalArgumentException {
+        if (questionNumber < 0 || questionNumber > questions.length) {
+                throw new IllegalArgumentException("Invalid question number: " + questionNumber);
+        }
+        return questions[questionNumber];
+    }
+
+    @Override
+    public void answerQuestion(int questionNumber, String answer) throws RemoteException, IllegalArgumentException {
+        if (questionNumber < 0 || questionNumber > questions.length) {
+            throw new IllegalArgumentException("Invalid question number: " + questionNumber);
+        }
+        answers[questionNumber] = answer;
+    }
+
+    @Override
+    public String toString() {
+        StringBuilder sb = new StringBuilder();
+
+        for (int i = 0; i < questions.length; i++) {
+            sb.append("Q").append(i).append(": ").append(questions[i]).append("\n");
+            sb.append("A").append(i).append(": ").append(answers[i]).append("\n\n");
+        }
+
+        return sb.toString();
+    }
+}

year4/semester2/CT414/assignments/assignment1/code/src/interfaces/ApplicationForm.java

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+package interfaces;
+
+import java.rmi.*;
+
+public interface ApplicationForm extends Remote {
+
+    // method to retrieve general information about the form
+    String getFormInfo() throws RemoteException;
+
+    // method to retrieve the total number of questions in the application form
+    int getTotalQuestions() throws RemoteException;
+
+    // method to retrieve a specific question based on its number
+    String getQuestion(int questionNumber) throws RemoteException, IllegalArgumentException;
+
+     // method to provide a String answer to a question based off its questionNumber
+    void answerQuestion(int questionNumber, String answer) throws RemoteException, IllegalArgumentException;
+}

year4/semester2/CT414/assignments/assignment1/code/src/interfaces/ApplicationHandler.java

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+package interfaces;
+
+import exceptions.InvalidCredentialsException;
+import exceptions.InvalidSessionIDException;
+
+import java.rmi.*;
+
+public interface ApplicationHandler extends Remote {
+    long login(String username, String password) throws RemoteException, InvalidCredentialsException;
+
+    ApplicationForm downloadApplicationForm(long sessionID) throws RemoteException, InvalidSessionIDException;
+
+    void submitApplicationForm(long sessionID, ApplicationForm applicationForm) throws RemoteException, InvalidSessionIDException;
+}