- * - * If our superclass doesn't have a value, we return the address - * from the UNIX From line. - * - * @return array of Address objects - * @exception MessagingException - */ - public Address[] getFrom() throws MessagingException { - Address[] ret = super.getFrom(); - if (ret == null) { - InternetAddress ia = getUnixFrom(); - if (ia != null) - ret = new InternetAddress[] { ia }; - } - return ret; - } - - /** - * Returns the address from the UNIX "From" line. - * - * @return UNIX From address - * @exception MessagingException - */ - public synchronized InternetAddress getUnixFrom() - throws MessagingException { - if (unix_from_user == null && unix_from != null) { - int i; - // find the space after the address, before the date - i = unix_from.indexOf(' ', 5); - if (i > 5) { - try { - unix_from_user = - new InternetAddress(unix_from.substring(5, i)); - } catch (AddressException e) { - // ignore it - } - } - } - return unix_from_user != null ? - (InternetAddress)unix_from_user.clone() : null; - } - - private String getUnixFromLine() { - if (unix_from != null) - return unix_from; - String from = "unknown"; - try { - Address[] froma = getFrom(); - if (froma != null && froma.length > 0 && - froma[0] instanceof InternetAddress) - from = ((InternetAddress)froma[0]).getAddress(); - } catch (MessagingException ex) { } - Date d = null; - try { - d = getSentDate(); - } catch (MessagingException ex) { - // ignore - } - if (d == null) - d = new Date(); - // From shannon Mon Jun 10 12:06:52 2002 - SimpleDateFormat fmt = new SimpleDateFormat("EEE LLL dd HH:mm:ss yyyy"); - return "From " + from + " " + fmt.format(d); - } - - /** - * Get the date this message was received, from the UNIX From line. - * - * @return the date this message was received - * @exception MessagingException - */ - @SuppressWarnings("deprecation") // for Date constructor - public Date getReceivedDate() throws MessagingException { - if (rcvDate == null && unix_from != null) { - int i; - // find the space after the address, before the date - i = unix_from.indexOf(' ', 5); - if (i > 5) { - try { - rcvDate = new Date(unix_from.substring(i)); - } catch (IllegalArgumentException iae) { - // ignore it - } - } - } - return rcvDate == null ? null : new Date(rcvDate.getTime()); - } - - /** - * Return the number of lines for the content of this message. - * Return -1 if this number cannot be determined.
- * - * Note that this number may not be an exact measure of the - * content length and may or may not account for any transfer - * encoding of the content.
- * - * This implementation returns -1. - * - * @return number of lines in the content. - * @exception MessagingException - */ - public int getLineCount() throws MessagingException { - if (lineCount < 0 && isMimeType("text/plain")) { - LineCounter lc = null; - // writeTo will set the SEEN flag, remember the original state - boolean seen = isSet(Flags.Flag.SEEN); - try { - lc = new LineCounter(nullOutputStream); - getDataHandler().writeTo(lc); - lineCount = lc.getLineCount(); - } catch (IOException ex) { - // ignore it, can't happen - } finally { - try { - if (lc != null) - lc.close(); - } catch (IOException ex) { - // can't happen - } - } - if (!seen) - setFlag(Flags.Flag.SEEN, false); - } - return lineCount; - } - - /** - * Set the specified flags on this message to the specified value. - * - * @param flags the flags to be set - * @param set the value to be set - */ - public void setFlags(Flags newFlags, boolean set) - throws MessagingException { - Flags oldFlags = (Flags)flags.clone(); - super.setFlags(newFlags, set); - if (!flags.equals(oldFlags)) { - setHeadersFromFlags(this); - if (folder != null) - ((MboxFolder)folder).notifyMessageChangedListeners( - MessageChangedEvent.FLAGS_CHANGED, this); - } - } - - /** - * Return the content type, mapping from SunV3 types to MIME types - * as necessary. - */ - public String getContentType() throws MessagingException { - String ct = super.getContentType(); - if (ct.indexOf('/') < 0) - ct = SunV3BodyPart.MimeV3Map.toMime(ct); - return ct; - } - - /** - * Produce the raw bytes of the content. This method is used during - * parsing, to create a DataHandler object for the content. Subclasses - * that can provide a separate input stream for just the message - * content might want to override this method.
- *
- * This implementation just returns a ByteArrayInputStream constructed
- * out of the content byte array.
- *
- * @see #content
- */
- protected InputStream getContentStream() throws MessagingException {
- if (folder != null)
- ((MboxFolder)folder).checkOpen();
- if (isExpunged())
- throw new MessageRemovedException("mbox message expunged");
- if (!isSet(Flags.Flag.SEEN))
- setFlag(Flags.Flag.SEEN, true);
- return super.getContentStream();
- }
-
- /**
- * Return a DataHandler for this Message's content.
- * If this is a SunV3 multipart message, handle it specially.
- *
- * @exception MessagingException
- */
- public synchronized DataHandler getDataHandler()
- throws MessagingException {
- if (dh == null) {
- // XXX - Following is a kludge to avoid having to register
- // the "multipart/x-sun-attachment" data type with the JAF.
- String ct = getContentType();
- if (ct.equalsIgnoreCase("multipart/x-sun-attachment"))
- dh = new DataHandler(
- new SunV3Multipart(new MimePartDataSource(this)), ct);
- else
- return super.getDataHandler(); // will set "dh"
- }
- return dh;
- }
-
- // here only to allow package private access from MboxFolder
- protected void setMessageNumber(int msgno) {
- super.setMessageNumber(msgno);
- }
-
- // here to synchronize access to expunged field
- public synchronized boolean isExpunged() {
- return super.isExpunged();
- }
-
- // here to synchronize and to allow access from MboxFolder
- protected synchronized void setExpunged(boolean expunged) {
- super.setExpunged(expunged);
- }
-
- // XXX - We assume that only body parts that are part of a SunV3
- // multipart will use the SunV3 headers (X-Sun-Content-Length,
- // X-Sun-Content-Lines, X-Sun-Data-Type, X-Sun-Encoding-Info,
- // X-Sun-Data-Description, X-Sun-Data-Name) so we don't handle
- // them here.
-
- /**
- * Set the flags for this message based on the Status,
- * X-Status, and X-Dt-Delete-Time headers.
- *
- * SIMS 2.0:
- * "X-Status: DFAT", deleted, flagged, answered, draft.
- * Unset flags represented as "$".
- * User flags not supported.
- *
- * University of Washington IMAP server:
- * "X-Status: DFAT", deleted, flagged, answered, draft.
- * Unset flags not present.
- * "X-Keywords: userflag1 userflag2"
- */
- private synchronized void setFlagsFromHeaders() {
- flags = new Flags(Flags.Flag.RECENT);
- try {
- String s = getHeader("Status", null);
- if (s != null) {
- if (s.indexOf('R') >= 0)
- flags.add(Flags.Flag.SEEN);
- if (s.indexOf('O') >= 0)
- flags.remove(Flags.Flag.RECENT);
- }
- s = getHeader("X-Dt-Delete-Time", null); // set by dtmail
- if (s != null)
- flags.add(Flags.Flag.DELETED);
- s = getHeader("X-Status", null); // set by IMAP server
- if (s != null) {
- if (s.indexOf('D') >= 0)
- flags.add(Flags.Flag.DELETED);
- if (s.indexOf('F') >= 0)
- flags.add(Flags.Flag.FLAGGED);
- if (s.indexOf('A') >= 0)
- flags.add(Flags.Flag.ANSWERED);
- if (s.indexOf('T') >= 0)
- flags.add(Flags.Flag.DRAFT);
- }
- s = getHeader("X-Keywords", null); // set by IMAP server
- if (s != null) {
- StringTokenizer st = new StringTokenizer(s);
- while (st.hasMoreTokens())
- flags.add(st.nextToken());
- }
- } catch (MessagingException e) {
- // ignore it
- }
- }
-
- /**
- * Set the various header fields that represent the message flags.
- */
- static void setHeadersFromFlags(MimeMessage msg) {
- try {
- Flags flags = msg.getFlags();
- StringBuilder status = new StringBuilder();
- if (flags.contains(Flags.Flag.SEEN))
- status.append('R');
- if (!flags.contains(Flags.Flag.RECENT))
- status.append('O');
- if (status.length() > 0)
- msg.setHeader("Status", status.toString());
- else
- msg.removeHeader("Status");
-
- boolean sims = false;
- String s = msg.getHeader("X-Status", null);
- // is it a SIMS 2.0 format X-Status header?
- sims = s != null && s.length() == 4 && s.indexOf('$') >= 0;
- status.setLength(0);
- if (flags.contains(Flags.Flag.DELETED))
- status.append('D');
- else if (sims)
- status.append('$');
- if (flags.contains(Flags.Flag.FLAGGED))
- status.append('F');
- else if (sims)
- status.append('$');
- if (flags.contains(Flags.Flag.ANSWERED))
- status.append('A');
- else if (sims)
- status.append('$');
- if (flags.contains(Flags.Flag.DRAFT))
- status.append('T');
- else if (sims)
- status.append('$');
- if (status.length() > 0)
- msg.setHeader("X-Status", status.toString());
- else
- msg.removeHeader("X-Status");
-
- String[] userFlags = flags.getUserFlags();
- if (userFlags.length > 0) {
- status.setLength(0);
- for (int i = 0; i < userFlags.length; i++)
- status.append(userFlags[i]).append(' ');
- status.setLength(status.length() - 1); // smash trailing space
- msg.setHeader("X-Keywords", status.toString());
- }
- if (flags.contains(Flags.Flag.DELETED)) {
- s = msg.getHeader("X-Dt-Delete-Time", null);
- if (s == null)
- // XXX - should be time
- msg.setHeader("X-Dt-Delete-Time", "1");
- }
- } catch (MessagingException e) {
- // ignore it
- }
- }
-
- protected void updateHeaders() throws MessagingException {
- super.updateHeaders();
- setHeadersFromFlags(this);
- }
-
- /**
- * Save any changes made to this message.
- */
- public void saveChanges() throws MessagingException {
- if (folder != null)
- ((MboxFolder)folder).checkOpen();
- if (isExpunged())
- throw new MessageRemovedException("mbox message expunged");
- if (!writable)
- throw new MessagingException("Message is read-only");
-
- super.saveChanges();
-
- try {
- /*
- * Count the size of the body, in order to set the Content-Length
- * header. (Should we only do this to update an existing
- * Content-Length header?)
- * XXX - We could cache the content bytes here, for use later
- * in writeTo.
- */
- ContentLengthCounter cos = new ContentLengthCounter();
- OutputStream os = new NewlineOutputStream(cos);
- super.writeTo(os);
- os.flush();
- setHeader("Content-Length", String.valueOf(cos.getSize()));
- // setContentSize((int)cos.getSize());
- } catch (MessagingException e) {
- throw e;
- } catch (Exception e) {
- throw new MessagingException("unexpected exception " + e);
- }
- }
-
- /**
- * Expose modified flag to MboxFolder.
- */
- boolean isModified() {
- return modified;
- }
-
- /**
- * Put out a byte stream suitable for saving to a file.
- * XXX - ultimately implement "ignore headers" here?
- */
- public void writeToFile(OutputStream os) throws IOException {
- try {
- if (getHeader("Content-Length") == null) {
- /*
- * Count the size of the body, in order to set the
- * Content-Length header.
- */
- ContentLengthCounter cos = new ContentLengthCounter();
- OutputStream oos = new NewlineOutputStream(cos);
- super.writeTo(oos, null);
- oos.flush();
- setHeader("Content-Length", String.valueOf(cos.getSize()));
- // setContentSize((int)cos.getSize());
- }
-
- os = new NewlineOutputStream(os, true);
- PrintStream pos = new PrintStream(os, false, "iso-8859-1");
-
- pos.println(getUnixFromLine());
- super.writeTo(pos, null);
- pos.flush();
- } catch (MessagingException e) {
- throw new IOException("unexpected exception " + e);
- }
- }
-
- public void writeTo(OutputStream os, String[] ignoreList)
- throws IOException, MessagingException {
- // set the SEEN flag now, which will normally be set by
- // getContentStream, so it will show up in our headers
- if (!isSet(Flags.Flag.SEEN))
- setFlag(Flags.Flag.SEEN, true);
- super.writeTo(os, ignoreList);
- }
-
- /**
- * Interpose on superclass method to make sure folder is still open
- * and message hasn't been expunged.
- */
- public String[] getHeader(String name)
- throws MessagingException {
- if (folder != null)
- ((MboxFolder)folder).checkOpen();
- if (isExpunged())
- throw new MessageRemovedException("mbox message expunged");
- return super.getHeader(name);
- }
-
- /**
- * Interpose on superclass method to make sure folder is still open
- * and message hasn't been expunged.
- */
- public String getHeader(String name, String delimiter)
- throws MessagingException {
- if (folder != null)
- ((MboxFolder)folder).checkOpen();
- if (isExpunged())
- throw new MessageRemovedException("mbox message expunged");
- return super.getHeader(name, delimiter);
- }
-}