Example usage for javax.mail.internet MimeMessage getMatchingHeaderLines

Introduction

In this page you can find the example usage for javax.mail.internet MimeMessage getMatchingHeaderLines.

Prototype

@Override
public Enumeration<String> getMatchingHeaderLines(String[] names) throws MessagingException 

Source Link

Document

Get matching header lines as an Enumeration of Strings.

Usage

From source file:de.mendelson.comm.as2.message.AS2MessageCreation.java

/**Enwrapps the data into a signed MIME message structure and returns it*/
private void enwrappInMessageAndSign(AS2Message message, Part contentPart, Partner sender, Partner receiver)
        throws Exception {
    AS2MessageInfo info = (AS2MessageInfo) message.getAS2Info();
    MimeMessage messagePart = new MimeMessage(Session.getInstance(System.getProperties(), null));
    //sign message if this is requested
    if (info.getSignType() != AS2Message.SIGNATURE_NONE) {
        MimeMultipart signedPart = this.signContentPart(contentPart, sender, receiver);
        if (this.logger != null) {
            String signAlias = this.signatureCertManager.getAliasByFingerprint(sender.getSignFingerprintSHA1());
            this.logger.log(Level.INFO,
                    this.rb.getResourceString("message.signed",
                            new Object[] { info.getMessageId(), signAlias,
                                    this.rbMessage.getResourceString("signature." + receiver.getSignType()) }),
                    info);/*w  ww  . java2  s  .com*/
        }
        messagePart.setContent(signedPart);
        messagePart.saveChanges();
    } else {
        //unsigned message
        if (contentPart instanceof MimeBodyPart) {
            MimeMultipart unsignedPart = new MimeMultipart();
            unsignedPart.addBodyPart((MimeBodyPart) contentPart);
            if (this.logger != null) {
                this.logger.log(Level.INFO,
                        this.rb.getResourceString("message.notsigned", new Object[] { info.getMessageId() }),
                        info);
            }
            messagePart.setContent(unsignedPart);
        } else if (contentPart instanceof MimeMultipart) {
            messagePart.setContent((MimeMultipart) contentPart);
        } else if (contentPart instanceof MimeMessage) {
            messagePart = (MimeMessage) contentPart;
        } else {
            throw new IllegalArgumentException("enwrappInMessageAndSign: Unable to set the content of a "
                    + contentPart.getClass().getName());
        }
        messagePart.saveChanges();
    }
    //store signed or unsigned data
    ByteArrayOutputStream signedOut = new ByteArrayOutputStream();
    //normally the content type header is folded (which is correct but some products are not able to parse this properly)
    //Now take the content-type, unfold it and write it
    Enumeration headerLines = messagePart.getMatchingHeaderLines(new String[] { "Content-Type" });
    LineOutputStream los = new LineOutputStream(signedOut);
    while (headerLines.hasMoreElements()) {
        //requires java mail API >= 1.4
        String nextHeaderLine = MimeUtility.unfold((String) headerLines.nextElement());
        //write the line only if the as2 message is encrypted. If the as2 message is unencrypted this header is added later
        //in the class MessageHttpUploader
        if (info.getEncryptionType() != AS2Message.ENCRYPTION_NONE) {
            los.writeln(nextHeaderLine);
        }
        //store the content line in the as2 message object, this value is required later in MessageHttpUploader
        message.setContentType(nextHeaderLine.substring(nextHeaderLine.indexOf(':') + 1));
    }
    messagePart.writeTo(signedOut, new String[] { "Message-ID", "Mime-Version", "Content-Type" });
    signedOut.flush();
    signedOut.close();
    message.setDecryptedRawData(signedOut.toByteArray());
}

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