#93, #95: parse back the flags from MimeMessages (and also added test…

…s and fixed the EqualsHelper)

src/main/java/org/simplejavamail/converter/EmailConverter.java

@@ -4,6 +4,7 @@
 import org.simplejavamail.converter.internal.mimemessage.MimeMessageParser;
 import org.simplejavamail.converter.internal.msgparser.OutlookMessageParser;
 import org.simplejavamail.email.Email;
+import org.simplejavamail.email.Recipient;
 import org.simplejavamail.internal.util.MiscUtil;
 import org.simplejavamail.outlookmessageparser.model.OutlookFileAttachment;
 import org.simplejavamail.outlookmessageparser.model.OutlookMessage;
@@ -14,6 +15,7 @@
 import javax.mail.Message;
 import javax.mail.MessagingException;
 import javax.mail.Session;
+import javax.mail.internet.AddressException;
 import javax.mail.internet.InternetAddress;
 import javax.mail.internet.MimeMessage;
 import java.io.ByteArrayInputStream;
@@ -240,7 +242,9 @@ private static void fillEmailFromMimeMessage(@Nonnull final Email email, @Nonnul
 		final InternetAddress replyTo = parser.getReplyTo();
 		email.setReplyToAddress(replyTo.getPersonal(), replyTo.getAddress());
 		for (final Map.Entry<String, Object> header : parser.getHeaders().entrySet()) {
-			email.addHeader(header.getKey(), header.getValue());
+			if (!fillPredefinedHeader(email, header)) {
+				email.addHeader(header.getKey(), header.getValue());
+			}
 		}
 		for (final InternetAddress to : parser.getTo()) {
 			email.addRecipient(to.getPersonal(), to.getAddress(), Message.RecipientType.TO);
@@ -263,7 +267,22 @@ private static void fillEmailFromMimeMessage(@Nonnull final Email email, @Nonnul
 			email.addAttachment(extractCID(attachment.getKey()), attachment.getValue());
 		}
 	}
-
+
+	private static boolean fillPredefinedHeader(@Nonnull Email email, @Nonnull Map.Entry<String, Object> header) throws AddressException {
+		if (header.getKey().equals("Disposition-Notification-To")) {
+			email.setUseDispositionNotificationTo(true);
+			InternetAddress internetAddress = new InternetAddress((String) header.getValue());
+			email.setDispositionNotificationTo(new Recipient(internetAddress.getPersonal(), internetAddress.getAddress(), null));
+			return true;
+		} else if (header.getKey().equals("Return-Receipt-To")) {
+			email.setUseReturnReceiptTo(true);
+			InternetAddress internetAddress = new InternetAddress((String) header.getValue());
+			email.setReturnReceiptTo(new Recipient(internetAddress.getPersonal(), internetAddress.getAddress(), null));
+			return true;
+		}
+		return false;
+	}
+
 	private static void fillEmailFromOutlookMessage(@Nonnull final Email email, @Nonnull final OutlookMessage outlookMessage) {
 		checkNonEmptyArgument(email, "email");
 		checkNonEmptyArgument(outlookMessage, "outlookMessage");

src/main/java/org/simplejavamail/email/EqualsHelper.java

@@ -39,7 +39,22 @@ public static boolean equalsEmail(final Email email1, final Email email2) {
 		if (!email1.getAttachments().containsAll(email2.getAttachments())) {
 			return false;
 		}
-		return email1.getHeaders().equals(email2.getHeaders());
+		if (!email1.getHeaders().equals(email2.getHeaders())) {
+			return false;
+		}
+		if (email1.isUseDispositionNotificationTo() != email2.isUseDispositionNotificationTo()) {
+			return false;
+		}
+		if (email1.isUseReturnReceiptTo() != email2.isUseReturnReceiptTo()) {
+			return false;
+		}
+		if (email1.getDispositionNotificationTo() != null ? !email1.getDispositionNotificationTo().equals(email2.getDispositionNotificationTo()) : email2.getDispositionNotificationTo() != null) {
+			return false;
+		}
+		if (email1.getReturnReceiptTo() != null ? !email1.getReturnReceiptTo().equals(email2.getReturnReceiptTo()) : email2.getReturnReceiptTo() != null) {
+			return false;
+		}
+		return true;
 	}
 
 	private static boolean isEqualRecipientList(final List<Recipient> recipients, final List<Recipient> otherRecipients) {

src/test/java/org/simplejavamail/mailer/MailerLiveTest.java

@@ -41,7 +41,7 @@ public void setup() {
 		ConfigLoader.loadProperties(new Properties(), false); // clear out defaults
 		mailer = new Mailer(SERVER_CONFIG);
 	}
-
+	
 	@Test
 	public void createMailSession_StandardDummyMail()
 			throws IOException, MessagingException {

src/test/java/testutil/EmailHelper.java

@@ -1,6 +1,7 @@
 package testutil;
 
 import org.simplejavamail.email.Email;
+import org.simplejavamail.email.Recipient;
 
 import javax.annotation.Nullable;
 import javax.mail.util.ByteArrayDataSource;
@@ -32,6 +33,12 @@ public static Email createDummyEmail(@Nullable String id)
 		emailNormal.setTextHTML("<b>We should meet up!</b><img src='cid:thumbsup'>");
 		emailNormal.setSubject("hey");
 
+		emailNormal.addHeader("dummyHeader", "dummyHeaderValue");
+		emailNormal.setUseDispositionNotificationTo(true);
+		emailNormal.setDispositionNotificationTo(new Recipient(null, "[email protected]", null));
+		emailNormal.setUseReturnReceiptTo(true);
+		emailNormal.setReturnReceiptTo(new Recipient("Complex Email", "[email protected]", null));
+
 		// add two text files in different ways and a black thumbs up embedded image ->
 		ByteArrayDataSource namedAttachment = new ByteArrayDataSource("Black Tie Optional", "text/plain");
 		namedAttachment.setName("dresscode.txt"); // normally not needed, but otherwise the equals will fail