Example usage for javax.mail.internet MimeUtility unfold

Introduction

In this page you can find the example usage for javax.mail.internet MimeUtility unfold.

Prototype

public static String unfold(String s) 

Source Link

Document

Unfold a folded header.

Usage

From source file:com.sonicle.webtop.mail.Service.java

public Message reply(MailAccount account, MimeMessage orig, boolean replyToAll, boolean fromSent)
        throws MessagingException {
    MimeMessage reply = new MimeMessage(account.getMailSession());
    /*/*from  w ww  .j  a  v a 2 s .  c  o  m*/
     * Have to manipulate the raw Subject header so that we don't lose
     * any encoding information.  This is safe because "Re:" isn't
     * internationalized and (generally) isn't encoded.  If the entire
     * Subject header is encoded, prefixing it with "Re: " still leaves
     * a valid and correct encoded header.
     */
    String subject = orig.getHeader("Subject", null);
    if (subject != null) {
        if (!subject.regionMatches(true, 0, "Re: ", 0, 4)) {
            subject = "Re: " + subject;
        }
        reply.setHeader("Subject", subject);
    }
    Address a[] = null;
    if (!fromSent)
        a = orig.getReplyTo();
    else {
        Address ax[] = orig.getRecipients(RecipientType.TO);
        if (ax != null) {
            a = new Address[1];
            a[0] = ax[0];
        }
    }
    reply.setRecipients(Message.RecipientType.TO, a);
    if (replyToAll) {
        Vector v = new Vector();
        Session session = account.getMailSession();
        // add my own address to list
        InternetAddress me = InternetAddress.getLocalAddress(session);
        if (me != null) {
            v.addElement(me);
        }
        // add any alternate names I'm known by
        String alternates = null;
        if (session != null) {
            alternates = session.getProperty("mail.alternates");
        }
        if (alternates != null) {
            eliminateDuplicates(v, InternetAddress.parse(alternates, false));
        }
        // should we Cc all other original recipients?
        String replyallccStr = null;
        boolean replyallcc = false;
        if (session != null) {
            replyallcc = PropUtil.getBooleanSessionProperty(session, "mail.replyallcc", false);
        }
        // add the recipients from the To field so far
        eliminateDuplicates(v, a);
        a = orig.getRecipients(Message.RecipientType.TO);
        a = eliminateDuplicates(v, a);
        if (a != null && a.length > 0) {
            if (replyallcc) {
                reply.addRecipients(Message.RecipientType.CC, a);
            } else {
                reply.addRecipients(Message.RecipientType.TO, a);
            }
        }
        a = orig.getRecipients(Message.RecipientType.CC);
        a = eliminateDuplicates(v, a);
        if (a != null && a.length > 0) {
            reply.addRecipients(Message.RecipientType.CC, a);
        }
        // don't eliminate duplicate newsgroups
        a = orig.getRecipients(MimeMessage.RecipientType.NEWSGROUPS);
        if (a != null && a.length > 0) {
            reply.setRecipients(MimeMessage.RecipientType.NEWSGROUPS, a);
        }
    }

    String msgId = orig.getHeader("Message-Id", null);
    if (msgId != null) {
        reply.setHeader("In-Reply-To", msgId);
    }

    /*
     * Set the References header as described in RFC 2822:
     *
     * The "References:" field will contain the contents of the parent's
     * "References:" field (if any) followed by the contents of the parent's
     * "Message-ID:" field (if any).  If the parent message does not contain
     * a "References:" field but does have an "In-Reply-To:" field
     * containing a single message identifier, then the "References:" field
     * will contain the contents of the parent's "In-Reply-To:" field
     * followed by the contents of the parent's "Message-ID:" field (if
     * any).  If the parent has none of the "References:", "In-Reply-To:",
     * or "Message-ID:" fields, then the new message will have no
     * "References:" field.
     */
    String refs = orig.getHeader("References", " ");
    if (refs == null) {
        // XXX - should only use if it contains a single message identifier
        refs = orig.getHeader("In-Reply-To", " ");
    }
    if (msgId != null) {
        if (refs != null) {
            refs = MimeUtility.unfold(refs) + " " + msgId;
        } else {
            refs = msgId;
        }
    }
    if (refs != null) {
        reply.setHeader("References", MimeUtility.fold(12, refs));
    }

    //try {
    //    setFlags(answeredFlag, true);
    //} catch (MessagingException mex) {
    //    // ignore it
    //}
    return reply;
}

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