geronimo-mail_2.1_spec/src/main/java/jakarta/mail/internet/MimeBodyPart.java [125:260]:
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    public int getSize() throws MessagingException {
        if (content != null) {
            return content.length;
        }
        if (contentStream != null) {
            try {
                final int size = contentStream.available();
                if (size > 0) {
                    return size;
                }
            } catch (final IOException e) {
            }
        }
        return -1;
    }

    public int getLineCount() throws MessagingException {
        return -1;
    }

    public String getContentType() throws MessagingException {
        String value = getSingleHeader("Content-Type");
        if (value == null) {
            value = "text/plain";
        }
        return value;
    }

    /**
     * Tests to see if this message has a mime-type match with the
     * given type name.
     *
     * @param type   The tested type name.
     *
     * @return If this is a type match on the primary and secondare portion of the types.
     * @exception MessagingException
     */
    public boolean isMimeType(final String type) throws MessagingException {
        return new ContentType(getContentType()).match(type);
    }

    /**
     * Retrieve the message "Content-Disposition" header field.
     * This value represents how the part should be represented to
     * the user.
     *
     * @return The string value of the Content-Disposition field.
     * @exception MessagingException
     */
    public String getDisposition() throws MessagingException {
        final String disp = getSingleHeader("Content-Disposition");
        if (disp != null) {
            return new ContentDisposition(disp).getDisposition();
        }
        return null;
    }

    /**
     * Set a new dispostion value for the "Content-Disposition" field.
     * If the new value is null, the header is removed.
     *
     * @param disposition
     *               The new disposition value.
     *
     * @exception MessagingException
     */
    public void setDisposition(final String disposition) throws MessagingException {
        if (disposition == null) {
            removeHeader("Content-Disposition");
        }
        else {
            // the disposition has parameters, which we'll attempt to preserve in any existing header.
            final String currentHeader = getSingleHeader("Content-Disposition");
            if (currentHeader != null) {
                final ContentDisposition content = new ContentDisposition(currentHeader);
                content.setDisposition(disposition);
                setHeader("Content-Disposition", content.toString());
            }
            else {
                // set using the raw string.
                setHeader("Content-Disposition", disposition);
            }
        }
    }

    /**
     * Retrieves the current value of the "Content-Transfer-Encoding"
     * header.  Returns null if the header does not exist.
     *
     * @return The current header value or null.
     * @exception MessagingException
     */
    public String getEncoding() throws MessagingException {
        // this might require some parsing to sort out.
        final String encoding = getSingleHeader("Content-Transfer-Encoding");
        if (encoding != null) {
            // we need to parse this into ATOMs and other constituent parts.  We want the first
            // ATOM token on the string.
            final HeaderTokenizer tokenizer = new HeaderTokenizer(encoding, HeaderTokenizer.MIME);

            final Token token = tokenizer.next();
            while (token.getType() != Token.EOF) {
                // if this is an ATOM type, return it.
                if (token.getType() == Token.ATOM) {
                    return token.getValue();
                }
            }
            // not ATOMs found, just return the entire header value....somebody might be able to make sense of
            // this.
            return encoding;
        }
        // no header, nothing to return.
        return null;
    }


    /**
     * Retrieve the value of the "Content-ID" header.  Returns null
     * if the header does not exist.
     *
     * @return The current header value or null.
     * @exception MessagingException
     */
    public String getContentID() throws MessagingException {
        return getSingleHeader("Content-ID");
    }

    public void setContentID(final String cid) throws MessagingException {
        setOrRemoveHeader("Content-ID", cid);
    }

    public String getContentMD5() throws MessagingException {
        return getSingleHeader("Content-MD5");
    }

    public void setContentMD5(final String md5) throws MessagingException {
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geronimo-mail_2.1_spec/src/main/java/jakarta/mail/internet/MimeMessage.java [680:834]:
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    public int getSize() throws MessagingException {
        if (content != null) {
            return content.length;
        }
        if (contentStream != null) {
            try {
                final int size = contentStream.available();
                if (size > 0) {
                    return size;
                }
            } catch (final IOException e) {
                // ignore
            }
        }
        return -1;
    }

    /**
     * Retrieve the line count for the current message.  Returns
     * -1 if the count cannot be determined.
     *
     * The Sun implementation always returns -1, so this version
     * does too.
     *
     * @return The content line count (always -1 in this implementation).
     * @exception MessagingException
     */
    public int getLineCount() throws MessagingException {
        return -1;
    }

    /**
     * Returns the current content type (defined in the "Content-Type"
     * header.  If not available, "text/plain" is the default.
     *
     * @return The String name of the message content type.
     * @exception MessagingException
     */
    public String getContentType() throws MessagingException {
        String value = getSingleHeader("Content-Type");
        if (value == null) {
            value = "text/plain";
        }
        return value;
    }


    /**
     * Tests to see if this message has a mime-type match with the
     * given type name.
     *
     * @param type   The tested type name.
     *
     * @return If this is a type match on the primary and secondare portion of the types.
     * @exception MessagingException
     */
    public boolean isMimeType(final String type) throws MessagingException {
        return new ContentType(getContentType()).match(type);
    }

    /**
     * Retrieve the message "Content-Disposition" header field.
     * This value represents how the part should be represented to
     * the user.
     *
     * @return The string value of the Content-Disposition field.
     * @exception MessagingException
     */
    public String getDisposition() throws MessagingException {
        final String disp = getSingleHeader("Content-Disposition");
        if (disp != null) {
            return new ContentDisposition(disp).getDisposition();
        }
        return null;
    }


    /**
     * Set a new dispostion value for the "Content-Disposition" field.
     * If the new value is null, the header is removed.
     *
     * @param disposition
     *               The new disposition value.
     *
     * @exception MessagingException
     */
    public void setDisposition(final String disposition) throws MessagingException {
        if (disposition == null) {
            removeHeader("Content-Disposition");
        }
        else {
            // the disposition has parameters, which we'll attempt to preserve in any existing header.
            final String currentHeader = getSingleHeader("Content-Disposition");
            if (currentHeader != null) {
                final ContentDisposition content = new ContentDisposition(currentHeader);
                content.setDisposition(disposition);
                setHeader("Content-Disposition", content.toString());
            }
            else {
                // set using the raw string.
                setHeader("Content-Disposition", disposition);
            }
        }
    }

    /**
     * Decode the Content-Transfer-Encoding header to determine
     * the transfer encoding type.
     *
     * @return The string name of the required encoding.
     * @exception MessagingException
     */
    public String getEncoding() throws MessagingException {
        // this might require some parsing to sort out.
        final String encoding = getSingleHeader("Content-Transfer-Encoding");
        if (encoding != null) {
            // we need to parse this into ATOMs and other constituent parts.  We want the first
            // ATOM token on the string.
            final HeaderTokenizer tokenizer = new HeaderTokenizer(encoding, HeaderTokenizer.MIME);

            final Token token = tokenizer.next();
            while (token.getType() != Token.EOF) {
                // if this is an ATOM type, return it.
                if (token.getType() == Token.ATOM) {
                    return token.getValue();
                }
            }
            // not ATOMs found, just return the entire header value....somebody might be able to make sense of
            // this.
            return encoding;
        }
        // no header, nothing to return.
        return null;
    }

    /**
     * Retrieve the value of the "Content-ID" header.  Returns null
     * if the header does not exist.
     *
     * @return The current header value or null.
     * @exception MessagingException
     */
    public String getContentID() throws MessagingException {
        return getSingleHeader("Content-ID");
    }

    public void setContentID(final String cid) throws MessagingException {
        setOrRemoveHeader("Content-ID", cid);
    }

    public String getContentMD5() throws MessagingException {
        return getSingleHeader("Content-MD5");
    }

    public void setContentMD5(final String md5) throws MessagingException {
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