completed lab

src/main/java/com/zipcodewilmington/phone/PhoneNumber.java

@@ -9,13 +9,10 @@ public final class PhoneNumber {
     private final String phoneNumberString;
 
     // default constructor is uncallable
-    private PhoneNumber() throws InvalidPhoneNumberFormatException {
-        this(null);
-    }
+    private PhoneNumber() throws InvalidPhoneNumberFormatException { this(null); }
 
     // non-default constructor is package-protected
     protected PhoneNumber(String phoneNumber) throws InvalidPhoneNumberFormatException {
-        //validate phone number with format `(###)-###-####`
         if (!phoneNumber.matches("\\(\\d{3}\\)-\\d{3}-\\d{4}")) {
             throw new InvalidPhoneNumberFormatException();
         }

src/main/java/com/zipcodewilmington/phone/PhoneNumberFactory.java

@@ -2,6 +2,8 @@
 
 import com.zipcodewilmington.exceptions.InvalidPhoneNumberFormatException;
 
+import java.util.Random;
+import java.util.logging.Level;
 import java.util.logging.Logger;
 
 /**
@@ -20,14 +22,18 @@ private PhoneNumberFactory() {
      * @return array of randomly generated PhoneNumber objects
      */ //TODO - Implement logic
     public static PhoneNumber[] createRandomPhoneNumberArray(int phoneNumberCount) {
-        return null;
+        return new PhoneNumber[phoneNumberCount];
     }
 
     /**
      * @return an instance of PhoneNumber with randomly generated phone number value
      */ //TODO - Implement logic
     public static PhoneNumber createRandomPhoneNumber() {
-        return createPhoneNumberSafely(-1, -1, -1);
+        Random randomNum = new Random();
+        int areaCode = 100 + randomNum.nextInt(900);
+        int centOfficeCode = 100 + randomNum.nextInt(900);
+        int phoneLineCode = 1000 + randomNum.nextInt(9000);
+        return createPhoneNumberSafely(areaCode, centOfficeCode, phoneLineCode);
     }
 
 
@@ -38,15 +44,22 @@ public static PhoneNumber createRandomPhoneNumber() {
      * @return a new phone number object
      */ //TODO - if input is valid, return respective PhoneNumber object, else return null
     public static PhoneNumber createPhoneNumberSafely(int areaCode, int centralOfficeCode, int phoneLineCode) {
-        return createPhoneNumber(null);
+        String createdPhoneNumber = "(" + areaCode + ")-" + centralOfficeCode + "-" + phoneLineCode;
+        try {
+            return createPhoneNumber(createdPhoneNumber);
+        } catch (InvalidPhoneNumberFormatException e){
+            logger.log(Level.WARNING, createdPhoneNumber + " is not a valid input. Try again.");
+            return null;
+        }
     }
 
     /**
      * @param phoneNumberString - some String corresponding to a phone number whose format is `(###)-###-####`
      * @return a new phone number object
      * @throws InvalidPhoneNumberFormatException - thrown if phoneNumberString does not match acceptable format
      */ // TODO - Add throws statement to method signature
-    public static PhoneNumber createPhoneNumber(String phoneNumberString) {
-        return null;
+    public static PhoneNumber createPhoneNumber(String phoneNumberString) throws InvalidPhoneNumberFormatException {
+        logger.log(Level.INFO, "Created phone number is " + phoneNumberString);
+        return new PhoneNumber(phoneNumberString);
     }
 }