[T4A4][W10-A3]Li Chengcheng

src/seedu/addressbook/data/person/Address.java

@@ -6,11 +6,12 @@
  * Represents a Person's address in the address book.
  * Guarantees: immutable; is valid as declared in {@link #isValidAddress(String)}
  */
-public class Address {
+public class Address implements Printable{
 
     public static final String EXAMPLE = "123, some street";
     public static final String MESSAGE_ADDRESS_CONSTRAINTS = "Person addresses can be in any format";
     public static final String ADDRESS_VALIDATION_REGEX = ".+";
+    private static final String ADDRESS_PRIVATE_STRING = "***";
 
     public final String value;
     private boolean isPrivate;
@@ -56,4 +57,14 @@ public int hashCode() {
     public boolean isPrivate() {
         return isPrivate;
     }
-}
+
+	@Override
+	public String getPrintableString() {
+		if(this.isPrivate()){
+			return "Address: " + ADDRESS_PRIVATE_STRING;
+		}
+		else {
+			return "Address: "+ this.toString();
+		}
+	}
+}

src/seedu/addressbook/data/person/Email.java

@@ -6,13 +6,14 @@
  * Represents a Person's email in the address book.
  * Guarantees: immutable; is valid as declared in {@link #isValidEmail(String)}
  */
-public class Email {
+public class Email implements Printable {
 
     public static final String EXAMPLE = "[email protected]";
     public static final String MESSAGE_EMAIL_CONSTRAINTS =
             "Person emails should be 2 alphanumeric/period strings separated by '@'";
     public static final String EMAIL_VALIDATION_REGEX = "[\\w\\.]+@[\\w\\.]+";
-
+    private static final String EMAIL_PRIVATE_STRING = "***";
+
     public final String value;
     private boolean isPrivate;
 
@@ -58,4 +59,14 @@ public int hashCode() {
     public boolean isPrivate() {
         return isPrivate;
     }
+
+	@Override
+	public String getPrintableString() {
+		if(this.isPrivate()){
+			return "Email: " + EMAIL_PRIVATE_STRING;
+		}
+		else {
+			return "Email: "+ this.toString();
+		}
+	}
 }

src/seedu/addressbook/data/person/Name.java

@@ -9,7 +9,7 @@
  * Represents a Person's name in the address book.
  * Guarantees: immutable; is valid as declared in {@link #isValidName(String)}
  */
-public class Name {
+public class Name implements Printable {
 
     public static final String EXAMPLE = "John Doe";
     public static final String MESSAGE_NAME_CONSTRAINTS = "Person names should be spaces or alphabetic characters";
@@ -59,5 +59,10 @@ public boolean equals(Object other) {
     public int hashCode() {
         return fullName.hashCode();
     }
+
+	@Override
+	public String getPrintableString() {
+		return "Name: "+this.toString();
+	}
 
 }

src/seedu/addressbook/data/person/Phone.java

@@ -6,11 +6,12 @@
  * Represents a Person's phone number in the address book.
  * Guarantees: immutable; is valid as declared in {@link #isValidPhone(String)}
  */
-public class Phone {
+public class Phone implements Printable {
 
     public static final String EXAMPLE = "123456789";
     public static final String MESSAGE_PHONE_CONSTRAINTS = "Person phone numbers should only contain numbers";
     public static final String PHONE_VALIDATION_REGEX = "\\d+";
+    private static final String PHONE_PRIVATE_STRING = "***";
 
     public final String value;
     private boolean isPrivate;
@@ -56,4 +57,14 @@ public int hashCode() {
     public boolean isPrivate() {
         return isPrivate;
     }
+
+	@Override
+	public String getPrintableString() {
+		if(this.isPrivate()){
+			return "Phone: " + PHONE_PRIVATE_STRING;
+		}
+		else {
+			return "Phone: "+ this.toString();
+		}
+	}
 }

src/seedu/addressbook/data/person/Printable.java

@@ -0,0 +1,10 @@
+package seedu.addressbook.data.person;
+/**
+ * A read-only immutable interface for printables in the addressbook.
+ */
+public interface Printable {
+	String toString();
+	default String getPrintableString(){
+		return this.toString();
+	}
+}

test/java/seedu/addressbook/parser/ParserTest.java

@@ -16,6 +16,7 @@
 import static seedu.addressbook.common.Messages.MESSAGE_INVALID_COMMAND_FORMAT;
 import static seedu.addressbook.common.Messages.MESSAGE_INVALID_PERSON_DISPLAYED_INDEX;
 
+
 public class ParserTest {
 
     private Parser parser;
@@ -304,4 +305,16 @@ private <T extends Command> T parseAndAssertCommandType(String input, Class<T> e
         assertTrue(result.getClass().isAssignableFrom(expectedCommandClass));
         return (T) result;
     }
+
+    /**
+     * Returns a concatenated version of the printable strings of each object.
+     */
+    String getPrintableString(Printable... printables){
+    	Set<String> allPrintables = new HashSet<String>();
+    	for(Printable p: printables){
+    		allPrintables.add(p.getPrintableString());
+    	}
+    	String concatenatedString = String.join(", ", allPrintables);
+    	return concatenatedString;
+    }
 }