finish assignment 3

src/ca/bcit/comp1510/assignment3/q2/TestTimesheet.java

@@ -3,14 +3,14 @@ package ca.bcit.comp1510.assignment3.q2;
 import java.time.LocalDate;
 import java.util.List;
 import java.util.ArrayList;
-import static org.junit.jupiter.api.Assertions.*;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 import org.junit.jupiter.api.Test;
 
-class TestTimeSheet {
+class TestTimesheet {
 
     @Test
     void testGetEmpNum() {
-        TimeSheet sheet = new TimeSheet(
+        Timesheet sheet = new Timesheet(
             "984757",
             null
         );
@@ -19,8 +19,11 @@ class TestTimeSheet {
     
     @Test
     void testGetEndWeek() {
-        LocalDate now = LocalDate.now();
-        TimeSheet sheet = new TimeSheet(
+        final int year = 2025;
+        final int month = 4;
+        final int day = 4;
+        LocalDate now = LocalDate.of(year, month, day);
+        Timesheet sheet = new Timesheet(
             "",
             now
         );
@@ -29,7 +32,7 @@ class TestTimeSheet {
     
     @Test
     void testGetDetails() {
-        TimeSheet sheet = new TimeSheet("123", null);
+        Timesheet sheet = new Timesheet("123", null);
         
         final float hours1 = 2;
         final float hours2 = 32 / 10;
@@ -37,19 +40,19 @@ class TestTimeSheet {
         
         final int id3 = 3;
      
-        TimeSheetRow r1 = new TimeSheetRow(
+        TimesheetRow r1 = new TimesheetRow(
             1, 
             "assignment1", 
             hours1, hours2, hours3
         );
         
-        TimeSheetRow r2 = new TimeSheetRow(
+        TimesheetRow r2 = new TimesheetRow(
             2, 
             "assignment2", 
             hours3, hours2, hours1
         );
         
-        TimeSheetRow r3 = new TimeSheetRow(
+        TimesheetRow r3 = new TimesheetRow(
             id3, 
             "assignment3", 
             hours2, hours3, hours1
@@ -59,7 +62,7 @@ class TestTimeSheet {
         sheet.addRow(r2);        
         sheet.addRow(r3);
         
-        List<TimeSheetRow> correct = new ArrayList<TimeSheetRow>();
+        List<TimesheetRow> correct = new ArrayList<TimesheetRow>();
         correct.add(r1);
         correct.add(r2);
         correct.add(r3);
@@ -69,7 +72,7 @@ class TestTimeSheet {
     
     @Test
     void testSetEmpNum() {
-        TimeSheet sheet = new TimeSheet(
+        Timesheet sheet = new Timesheet(
             "",
             null
         );
@@ -80,11 +83,14 @@ class TestTimeSheet {
     
     @Test
     void testSetEndWeek() {
-        TimeSheet sheet = new TimeSheet(
+        Timesheet sheet = new Timesheet(
             "",
             null
         );
-        LocalDate now = LocalDate.now();
+        final int year = 2025;
+        final int month = 4;
+        final int day = 4;
+        LocalDate now = LocalDate.of(year, month, day);
 
         sheet.setEndWeek(now);
         
@@ -93,13 +99,13 @@ class TestTimeSheet {
     
     @Test
     void testToString() {
-        TimeSheet sheet = new TimeSheet("123", null);
+        Timesheet sheet = new Timesheet("123", null);
         
         final float hours1 = 2;
         final float hours2 = 32 / 10;
         final float hours3 = 38 / 10;
      
-        TimeSheetRow r1 = new TimeSheetRow(
+        TimesheetRow r1 = new TimesheetRow(
             1, 
             "assignment1", 
             hours1, hours2, hours3
@@ -114,13 +120,13 @@ class TestTimeSheet {
     
     @Test
     void testAddRow() {
-        TimeSheet sheet = new TimeSheet("123", null);
+        Timesheet sheet = new Timesheet("123", null);
         
         final float hours1 = 2;
         final float hours2 = 32 / 10;
         final float hours3 = 38 / 10;
      
-        TimeSheetRow r1 = new TimeSheetRow(
+        TimesheetRow r1 = new TimesheetRow(
             1, 
             "assignment1", 
             hours1, hours2, hours3
@@ -128,7 +134,7 @@ class TestTimeSheet {
                 
         sheet.addRow(r1);
         
-        List<TimeSheetRow> correct = new ArrayList<TimeSheetRow>();
+        List<TimesheetRow> correct = new ArrayList<TimesheetRow>();
         correct.add(r1);
         
         assertEquals(sheet.getDetails(), correct);

src/ca/bcit/comp1510/assignment3/q2/TestTimesheetRow.java

@@ -1,17 +1,18 @@
 package ca.bcit.comp1510.assignment3.q2;
 
-import static org.junit.jupiter.api.Assertions.*;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import org.junit.jupiter.api.Test;
 
-class TestTimeSheetRow {
+class TestTimesheetRow {
 
     @Test
     void testEmptyConstructor() {
-        TimeSheetRow row = new TimeSheetRow();
+        TimesheetRow row = new TimesheetRow();
         
         boolean c1 = row.getProject() == 0;
-        boolean c2 = row.getWorkPackage() == "";
+        boolean c2 = row.getWorkPackage().equals("");
         boolean c3 = row.getHours() == 0;
         
         assertTrue(c1 && c2 && c3);
@@ -22,7 +23,7 @@ class TestTimeSheetRow {
         final int id = 984757;
         final String pack = "abc2xyz";
        
-        TimeSheetRow row = new TimeSheetRow(
+        TimesheetRow row = new TimesheetRow(
             id,
             pack,
             0
@@ -39,7 +40,7 @@ class TestTimeSheetRow {
         final int id = 984757;
         final String pack = "abc2xyz";
         
-        TimeSheetRow row = new TimeSheetRow(
+        TimesheetRow row = new TimesheetRow(
             id,
             pack,
             0
@@ -53,7 +54,7 @@ class TestTimeSheetRow {
         final int id = 984757;
         final String pack = "abc2xyz";
         
-        TimeSheetRow row = new TimeSheetRow(
+        TimesheetRow row = new TimesheetRow(
             id,
             pack,
             0
@@ -71,7 +72,7 @@ class TestTimeSheetRow {
         final float hours2 = 32 / 10;
         final float hours3 = 38 / 10;
         
-        TimeSheetRow row = new TimeSheetRow(
+        TimesheetRow row = new TimesheetRow(
             id,
             pack,
             hours1, hours2, hours3
@@ -84,7 +85,7 @@ class TestTimeSheetRow {
     
     @Test
     void testSetProject() {
-        TimeSheetRow row = new TimeSheetRow();
+        TimesheetRow row = new TimesheetRow();
         
         final int id = 984757;
         
@@ -95,7 +96,7 @@ class TestTimeSheetRow {
     
     @Test
     void testSetWorkPackage() {
-        TimeSheetRow row = new TimeSheetRow();
+        TimesheetRow row = new TimesheetRow();
         
         final String pack = "abc2xyz";
         
@@ -106,7 +107,7 @@ class TestTimeSheetRow {
     
     @Test
     void testSetHours() {
-        TimeSheetRow row = new TimeSheetRow();
+        TimesheetRow row = new TimesheetRow();
         
         final long hours = 12345678;
         
@@ -124,7 +125,7 @@ class TestTimeSheetRow {
         final float hours2 = 32 / 10;
         final float hours3 = 38 / 10;
         
-        TimeSheetRow row = new TimeSheetRow(
+        TimesheetRow row = new TimesheetRow(
             id,
             pack,
             hours1, hours2, hours3
@@ -145,7 +146,7 @@ class TestTimeSheetRow {
         final float hours2 = 32 / 10;
         final float hours3 = 38 / 10;
         
-        TimeSheetRow row = new TimeSheetRow(
+        TimesheetRow row = new TimesheetRow(
             id,
             pack,
             hours1, hours2, hours3
@@ -163,7 +164,7 @@ class TestTimeSheetRow {
         final float hours2 = 32 / 10;
         final float hours3 = 38 / 10;
         
-        TimeSheetRow row = new TimeSheetRow(
+        TimesheetRow row = new TimesheetRow(
             id,
             pack,
             hours1, hours2, hours3

src/ca/bcit/comp1510/assignment3/q2/Timesheet.java

@@ -6,11 +6,12 @@ import java.util.List;
 import java.util.ArrayList;
 
 /**
- * TimeSheet data.
+ * TimeSheet stores the amount of hours worked
+ * during a given week period for an employee.
  * @author Braeden Sowinski
  * @version 1.0.0
  */
-public class TimeSheet {
+public class Timesheet {
 
     /** empNum is employee number. */
     private String empNum;
@@ -19,15 +20,15 @@ public class TimeSheet {
     private LocalDate endWeek;
     
     /** details of TimeSheetRows. */
-    private List<TimeSheetRow> details;
+    private List<TimesheetRow> details;
 
     /**
      * TimeSheet no-argument constructor.
      */
-    public TimeSheet() {
+    public Timesheet() {
         this.empNum = "";
         this.endWeek = null;
-        this.details = new ArrayList<TimeSheetRow>();
+        this.details = new ArrayList<TimesheetRow>();
     }
 
     /**
@@ -35,10 +36,10 @@ public class TimeSheet {
      * @param empNum string of employee number
      * @param endWeek date
      */
-    public TimeSheet(String empNum, LocalDate endWeek) {
+    public Timesheet(String empNum, LocalDate endWeek) {
         this.empNum = empNum;
         this.endWeek = endWeek;
-        this.details = new ArrayList<TimeSheetRow>();
+        this.details = new ArrayList<TimesheetRow>();
     }
     
     /**
@@ -61,7 +62,7 @@ public class TimeSheet {
      * getDetails.
      * @return details List of TimeSheetRow
      */
-    public List<TimeSheetRow> getDetails() {
+    public List<TimesheetRow> getDetails() {
         return this.details;
     }
     
@@ -103,7 +104,7 @@ public class TimeSheet {
      * addRow to details array.
      * @param row TimeSheetRow
      */
-    public void addRow(TimeSheetRow row) {
+    public void addRow(TimesheetRow row) {
         this.details.add(row);
     }
     
@@ -112,7 +113,7 @@ public class TimeSheet {
      * @param args unused
      */
     public static void main(String[] args) {
-        TimeSheet sheet = new TimeSheet();
+        Timesheet sheet = new Timesheet();
         
         final float hours1 = 2;
         final float hours2 = 32 / 10;
@@ -120,19 +121,19 @@ public class TimeSheet {
         
         final int id3 = 3;
         
-        sheet.addRow(new TimeSheetRow(
+        sheet.addRow(new TimesheetRow(
             1, 
             "assignment1", 
             hours1, hours2, hours3
         ));
         
-        sheet.addRow(new TimeSheetRow(
+        sheet.addRow(new TimesheetRow(
             2, 
             "assignment2", 
             hours3, hours2, hours1
         ));
         
-        sheet.addRow(new TimeSheetRow(
+        sheet.addRow(new TimesheetRow(
             id3, 
             "assignment3", 
             hours2, hours3, hours1

src/ca/bcit/comp1510/assignment3/q2/TimesheetRow.java

@@ -1,11 +1,12 @@
 package ca.bcit.comp1510.assignment3.q2;
 
 /**
- * TimeSheetRow is a row of TimeSheet.
+ * TimeSheetRow contains hourly information
+ * for a given week.
  * @author Braeden Sowinski
  * @version 1.0.0
  */
-public class TimeSheetRow {
+public class TimesheetRow {
 
     /** MASK of bits for days of week represented inside hours long. */
     private static final long[] MASK = {
@@ -43,7 +44,7 @@ public class TimeSheetRow {
     /**
      * TimeSheetRow no-argument constructor.
      */
-    public TimeSheetRow() {
+    public TimesheetRow() {
         this.project = 0;
         this.workPackage = "";
         this.hours = 0;
@@ -55,7 +56,7 @@ public class TimeSheetRow {
      * @param workPackage String
      * @param hours float...
      */
-    public TimeSheetRow(int projectNumber, String workPackage, float... hours) {
+    public TimesheetRow(int projectNumber, String workPackage, float... hours) {
         this.project = projectNumber;
         this.workPackage = workPackage;
         

src/ca/bcit/comp1510/assignment3/q3/MIXChar.java

@@ -0,0 +1,106 @@
+package ca.bcit.comp1510.assignment3.q3;
+
+/**
+ * MIXChar represents a MIX Character.
+ * @author Braeden Sowinski
+ * @version 1.0.0
+ */
+public class MIXChar {
+
+    /** MIX character array. */
+    public static final char[] CHARS = {
+        ' ', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'Δ', 'J',
+        'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'Σ', 'Π', 'S', 'T',
+        'U', 'V', 'W', 'X', 'Y', 'Z', '0', '1', '2', '3', '4', '5',
+        '6', '7', '8', '9', '.', ',', '(', ')', '+', '-', '*', '/',
+        '=', '$', '<', '>', '@', ';', ':', '\''
+    };
+    
+    /** character. */
+    private final int value;
+    
+    /**
+     * MixChar constructor.
+     * @param c character
+     */
+    public MIXChar(char c) throws IllegalArgumentException {
+        if (!isMIXChar(c)) {
+            throw new IllegalArgumentException(
+                "Invalid MIX Character provided."
+            );
+        }
+        this.value = c;
+    }
+    
+    /**
+     * isMIXChar check if a given character
+     * is a valid MIX character.
+     * @param c char to check
+     * @return boolean
+     */
+    static boolean isMIXChar(char c) {
+        for (int i = 0; i < CHARS.length; i++) {
+            if (CHARS[i] == c) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    /**
+     * toChar converts this MIXChar character 
+     * to corresponding Java char.
+     * @return character
+     */
+    public char toChar() {
+        return (char) this.value;
+    }
+
+    /**
+     * convert MIXChar array to string.
+     * @param c MIXChar array.
+     * @return string
+     */
+    static String toString(MIXChar[] c) {
+        char[] chars = new char[c.length];
+        for (int i = 0; i < c.length; i++) {
+            chars[i] = (char) c[i].ordinal();
+        }
+        return new String(chars);
+    }
+
+    /**
+     * toMIXChar converts string to MIXChar array.
+     * @param s string to convert.
+     * @return MIXChar array
+     */
+    static MIXChar[] toMIXChar(String s) {
+        MIXChar[] mix = new MIXChar[s.length()];
+        for (int i = 0; i < mix.length; i++) {
+            mix[i] = new MIXChar(s.charAt(i));
+        }
+        return mix;
+    }
+
+    /**
+     * ordinal returns numeric valid of character.
+     * @return numeric value
+     */
+    public int ordinal() {
+        for (int i = 0; i < CHARS.length; i++) {
+            if (this.value == CHARS[i]) {
+                return i;
+            }
+        }
+        return -1;
+    }
+
+    /**
+     * toString converts MIXChar to 
+     * corresponding Java char as a String.
+     * @return mix char as string.
+     */
+    public String toString() {
+        return "" + toChar();
+    }
+}

src/ca/bcit/comp1510/assignment3/q3/Message.java

@@ -0,0 +1,103 @@
+package ca.bcit.comp1510.assignment3.q3;
+
+/**
+ * Message of MIXChars.
+ * @author Braeden Sowinski
+ * @version 1.0.0
+ */
+public class Message {
+    
+    /** maximum number of chars stored per segment. */
+    public static final int MAXCHARPERSEGMENT = 11;
+
+    /** base of MIX character set 0 to 55. */
+    public static final int BASE = 56;
+    
+    /** segments of a MIXChar[] where each long holds 11 MIXChar characters. */
+    private long[] segments;
+    
+    /** number of characters stored in segments. */
+    private int numChars;
+
+    /**
+     * Message constructor.
+     * @param m message to store
+     */
+    public Message(MIXChar[] m) {
+        int segmentsLength = (int) Math.ceil(m.length / MAXCHARPERSEGMENT);
+        this.segments = new long[segmentsLength];
+        generateSegments(m);
+    }
+    
+    /**
+     * Message constructor.
+     * @param s message as string
+     */
+    public Message(String s) {
+        MIXChar[] m = MIXChar.toMIXChar(s);
+        int segmentsLength = (int) Math.ceil(m.length / MAXCHARPERSEGMENT);
+        this.segments = new long[segmentsLength];
+        generateSegments(m);
+    }
+    
+    /**
+     * generateSegments loads MIXChar values into
+     * segments.
+     * @param m MIXChar[]
+     */
+    private void generateSegments(MIXChar[] m) {
+        this.segments = m.length % MAXCHARPERSEGMENT == 0 
+                      ? new long[(m.length / MAXCHARPERSEGMENT)]
+                      : new long[(m.length / MAXCHARPERSEGMENT) + 1];
+        
+        for (int i = 0; i < this.segments.length; i++) {
+            for (
+                int j = 0; 
+                j < MAXCHARPERSEGMENT && this.numChars < m.length;
+                j++
+            ) {
+                MIXChar c = m[this.numChars];
+                
+                long value = c.ordinal();
+                value *= (long) Math.pow(BASE, j);
+                
+                this.segments[i] += value;
+                this.numChars++;
+            }
+        }
+    }
+    
+
+    /**
+     * toString returns string message.
+     * @return string
+     */
+    public String toString() {
+        String message = "";        
+        for (int i = 0; i < this.segments.length; i++) {
+            long segment = this.segments[i];
+            while (segment != 0) {                
+                int value = (int) Long.remainderUnsigned(
+                    segment, 
+                    BASE
+                );
+                char c = MIXChar.CHARS[value];
+                message += c;
+                segment = Long.divideUnsigned(segment, BASE);
+            }
+        }
+        return message;
+    }
+
+    /**
+     * toLongs shows encoded longs.
+     * @return longs string
+     */
+    public String toLongs() {
+        String longs = "";
+        for (int i = 0; i < this.segments.length; i++) {
+            longs += Long.toUnsignedString(this.segments[i]) + " ";
+        }
+        return longs;
+    }
+}

src/ca/bcit/comp1510/assignment3/q3/TestMIXChar.java

@@ -0,0 +1,5 @@
+package ca.bcit.comp1510.assignment3.q3;
+
+public class TestMixChar {
+
+}