Example usage for javax.mail.internet MimePart getAllHeaderLines

Introduction

In this page you can find the example usage for javax.mail.internet MimePart getAllHeaderLines.

Prototype

public Enumeration<String> getAllHeaderLines() throws MessagingException;

Source Link

Document

Get all header lines as an Enumeration of Strings.

Usage

From source file:mitm.common.mail.MailUtils.java

@SuppressWarnings("rawtypes")
public static void writeMessageRaw(MimePart part, OutputStream output) throws IOException, MessagingException {
    Enumeration lines = part.getAllHeaderLines();

    /* step through all header lines */
    while (lines.hasMoreElements()) {
        String header = (String) lines.nextElement();

        output.write(MiscStringUtils.toAsciiBytes(header));
        output.write(CRLF_BYTES);/*from w  w  w .jav a2  s .c  o  m*/
    }

    output.write(CRLF_BYTES);

    InputStream input;

    /*
     * If message is created from a stream Javamail will return the raw stream. If
     * the message is created from 'scratch' getRawInputStream throws a 
     * MessagingException. We will therefore first try the raw version and if
     * that fails we will try getInputStream.
     *
     * Only MimeMessage has getRawInputStream so we check whether the part 
     * is a MimeMessage
     */
    if (part instanceof MimeMessage) {
        try {
            input = ((MimeMessage) part).getRawInputStream();
        } catch (MessagingException e) {
            /*
             * Could be that we are using Javamail 1.3 which does not support 
             * getRawInputStream. Use the inputStream instead
             */
            input = part.getInputStream();
        }
    } else {
        input = part.getInputStream();
    }

    IOUtils.copy(input, output);
}

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