mailet/crypto/src/main/java/org/apache/james/transport/mailets/SMIMESign.java [151:222]:
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    @Override
    protected void initPostmasterSigns() {
        setPostmasterSigns((getInitParameter("postmasterSigns") == null) ? true : Boolean.parseBoolean(getInitParameter("postmasterSigns")));
    }
    
    /**
     * If the <CODE>&lt;rebuildFrom&gt;</CODE> init parameter is missing sets it to <I>true</I>.
     */
    @Override
    protected void initRebuildFrom() throws MessagingException {
        setRebuildFrom((getInitParameter("rebuildFrom") == null) ? true : Boolean.parseBoolean(getInitParameter("rebuildFrom")));
        if (isDebug()) {
            if (isRebuildFrom()) {
                LOGGER.debug("Will modify the \"From:\" header.");
            } else {
                LOGGER.debug("Will leave the \"From:\" header unchanged.");
            }
        }
    }
    
    /* ******************************************************************** */
    /* ****************** End of setters and getters ********************** */
    /* ******************************************************************** */
    
    /**
     * A text file with the massaged contents of {@link #getExplanationText}
     * is attached to the original message.
     */    
    @Override
    protected MimeBodyPart getWrapperBodyPart(Mail mail) throws MessagingException, IOException {
        
        String explanationText = getExplanationText();
        
        // if there is no explanation text there should be no wrapping
        if (explanationText == null) {
            return null;
        }

            MimeMessage originalMessage = mail.getMessage();

            MimeBodyPart messagePart = new MimeBodyPart();
            MimeBodyPart signatureReason = new MimeBodyPart();
            
            String contentType = originalMessage.getContentType();
            Object content = originalMessage.getContent();
            
            if (contentType != null && content != null) {
            messagePart.setContent(content, contentType);
            } else {
                throw new MessagingException("Either the content type or the content is null");
            }
            
            String headers = getMessageHeaders(originalMessage);
            
            signatureReason.setText(getReplacedExplanationText(getExplanationText(),
                                                               getSignerName(),
                                                               getKeyHolder().getSignerAddress(),
                                                               mail.getMaybeSender().asString(),
                                                               headers));
            
            signatureReason.setFileName("SignatureExplanation.txt");
            
            MimeMultipart wrapperMultiPart = new MimeMultipart();
            
            wrapperMultiPart.addBodyPart(messagePart);
            wrapperMultiPart.addBodyPart(signatureReason);
            
            MimeBodyPart wrapperBodyPart = new MimeBodyPart();
            
            wrapperBodyPart.setContent(wrapperMultiPart);
            
            return wrapperBodyPart;
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mailet/crypto/src/main/java/org/apache/james/transport/mailets/Sign.java [141:212]:
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    @Override
    protected void initPostmasterSigns() {
        setPostmasterSigns((getInitParameter("postmasterSigns") == null) ? true : Boolean.parseBoolean(getInitParameter("postmasterSigns")));
    }
    
    /**
     * If the <CODE>&lt;rebuildFrom&gt;</CODE> init parameter is missing sets it to <I>true</I>.
     */
    @Override
    protected void initRebuildFrom() throws MessagingException {
        setRebuildFrom((getInitParameter("rebuildFrom") == null) ? true : Boolean.parseBoolean(getInitParameter("rebuildFrom")));
        if (isDebug()) {
            if (isRebuildFrom()) {
                LOGGER.debug("Will modify the \"From:\" header.");
            } else {
                LOGGER.debug("Will leave the \"From:\" header unchanged.");
            }
        }
    }
    
    /* ******************************************************************** */
    /* ****************** End of setters and getters ********************** */
    /* ******************************************************************** */
    
    /**
     * A text file with the massaged contents of {@link #getExplanationText}
     * is attached to the original message.
     */    
    @Override
    protected MimeBodyPart getWrapperBodyPart(Mail mail) throws MessagingException, IOException {
        
        String explanationText = getExplanationText();
        
        // if there is no explanation text there should be no wrapping
        if (explanationText == null) {
            return null;
        }

            MimeMessage originalMessage = mail.getMessage();

            MimeBodyPart messagePart = new MimeBodyPart();
            MimeBodyPart signatureReason = new MimeBodyPart();
            
            String contentType = originalMessage.getContentType();
            Object content = originalMessage.getContent();
            
            if (contentType != null && content != null) {
            messagePart.setContent(content, contentType);
            } else {
                throw new MessagingException("Either the content type or the content is null");
            }
            
            String headers = getMessageHeaders(originalMessage);
            
            signatureReason.setText(getReplacedExplanationText(getExplanationText(),
                                                               getSignerName(),
                                                               getKeyHolder().getSignerAddress(),
                                                               mail.getMaybeSender().asString(),
                                                               headers));
            
            signatureReason.setFileName("SignatureExplanation.txt");
            
            MimeMultipart wrapperMultiPart = new MimeMultipart();
            
            wrapperMultiPart.addBodyPart(messagePart);
            wrapperMultiPart.addBodyPart(signatureReason);
            
            MimeBodyPart wrapperBodyPart = new MimeBodyPart();
            
            wrapperBodyPart.setContent(wrapperMultiPart);
            
            return wrapperBodyPart;
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