javax.mail.internet
Interface MimePart

All Superinterfaces:

Part

All Known Implementing Classes:

MimeBodyPart, MimeMessage

public interface MimePart

extends Part

The MimePart interface models an Entity as defined by MIME (RFC2045, Section 2.4).

MimePart extends the Part interface to add additional RFC822 and MIME specific semantics and attributes. It provides the base interface for the MimeMessage and MimeBodyPart classes

A note on RFC822 and MIME headers

RFC822 and MIME header fields must contain only US-ASCII characters. If a header contains non US-ASCII characters, it must be encoded as per the rules in RFC 2047. The MimeUtility class provided in this package can be used to to achieve this. Callers of the setHeader, addHeader, and addHeaderLine methods are responsible for enforcing the MIME requirements for the specified headers. In addition, these header fields must be folded (wrapped) before being sent if they exceed the line length limitation for the transport (1000 bytes for SMTP). Received headers may have been folded. The application is responsible for folding and unfolding headers as appropriate.

Author:

John Mani

See Also:

MimeUtility, Part

Field Summary

Fields inherited from interface javax.mail.Part

ATTACHMENT, INLINE

Method Summary

void	addHeaderLine(java.lang.String line) Add a raw RFC822 header-line.
java.util.Enumeration	getAllHeaderLines() Get all header lines as an Enumeration of Strings.
java.lang.String	getContentID() Get the Content-ID of this part.
java.lang.String[]	getContentLanguage() Get the language tags specified in the Content-Language header of this MimePart.
java.lang.String	getContentMD5() Get the Content-MD5 digest of this part.
java.lang.String	getEncoding() Get the transfer encoding of this part.
java.lang.String	getHeader(java.lang.String name, java.lang.String delimiter) Get the values of all header fields available for this header, returned as a single String, with the values separated by the delimiter.
java.util.Enumeration	getMatchingHeaderLines(java.lang.String[] names) Get matching header lines as an Enumeration of Strings.
java.util.Enumeration	getNonMatchingHeaderLines(java.lang.String[] names) Get non-matching header lines as an Enumeration of Strings.
void	setContentLanguage(java.lang.String[] languages) Set the Content-Language header of this MimePart.
void	setContentMD5(java.lang.String md5) Set the Content-MD5 of this part.
void	setText(java.lang.String text) Convenience method that sets the given String as this part's content, with a MIME type of "text/plain".
void	setText(java.lang.String text, java.lang.String charset) Convenience method that sets the given String as this part's content, with a MIME type of "text/plain" and the specified charset.

Methods inherited from interface javax.mail.Part

addHeader, getAllHeaders, getContent, getContentType, getDataHandler, getDescription, getDisposition, getFileName, getHeader, getInputStream, getLineCount, getMatchingHeaders, getNonMatchingHeaders, getSize, isMimeType, removeHeader, setContent, setContent, setDataHandler, setDescription, setDisposition, setFileName, setHeader, writeTo

Method Detail

getHeader

public java.lang.String getHeader(java.lang.String name,
                                  java.lang.String delimiter)
                           throws MessagingException

Get the values of all header fields available for this header, returned as a single String, with the values separated by the delimiter. If the delimiter is null, only the first value is returned.

Parameters:

name - the name of this header

delimiter - delimiter between fields in returned string

Returns:

the value fields for all headers with this name

Throws:

MessagingException

addHeaderLine

public void addHeaderLine(java.lang.String line)
                   throws MessagingException

Add a raw RFC822 header-line.

Throws:

IllegalWriteException - if the underlying implementation does not support modification

java.lang.IllegalStateException - if this Part is obtained from a READ_ONLY folder

MessagingException

getAllHeaderLines

public java.util.Enumeration getAllHeaderLines()
                                        throws MessagingException

Get all header lines as an Enumeration of Strings. A Header line is a raw RFC822 header-line, containing both the "name" and "value" field.

Throws:

MessagingException

getMatchingHeaderLines

public java.util.Enumeration getMatchingHeaderLines(java.lang.String[] names)
                                             throws MessagingException

Get matching header lines as an Enumeration of Strings. A Header line is a raw RFC822 header-line, containing both the "name" and "value" field.

Throws:

MessagingException

getNonMatchingHeaderLines

public java.util.Enumeration getNonMatchingHeaderLines(java.lang.String[] names)
                                                throws MessagingException

Get non-matching header lines as an Enumeration of Strings. A Header line is a raw RFC822 header-line, containing both the "name" and "value" field.

Throws:

MessagingException

getEncoding

public java.lang.String getEncoding()
                             throws MessagingException

Get the transfer encoding of this part.

Returns:

content-transfer-encoding

Throws:

MessagingException

getContentID

public java.lang.String getContentID()
                              throws MessagingException

Get the Content-ID of this part. Returns null if none present.

Returns:

content-ID

Throws:

MessagingException

getContentMD5

public java.lang.String getContentMD5()
                               throws MessagingException

Get the Content-MD5 digest of this part. Returns null if none present.

Returns:

content-MD5

Throws:

MessagingException

setContentMD5

public void setContentMD5(java.lang.String md5)
                   throws MessagingException

Set the Content-MD5 of this part.

Parameters:

md5 - the MD5 value

Throws:

IllegalWriteException - if the underlying implementation does not support modification

java.lang.IllegalStateException - if this Part is obtained from a READ_ONLY folder

MessagingException

getContentLanguage

public java.lang.String[] getContentLanguage()
                                      throws MessagingException

Get the language tags specified in the Content-Language header of this MimePart. The Content-Language header is defined by RFC 1766. Returns null if this header is not available.

Throws:

MessagingException

setContentLanguage

public void setContentLanguage(java.lang.String[] languages)
                        throws MessagingException

Set the Content-Language header of this MimePart. The Content-Language header is defined by RFC1766.

Parameters:

languages - array of language tags

Throws:

IllegalWriteException - if the underlying implementation does not support modification

java.lang.IllegalStateException - if this Part is obtained from a READ_ONLY folder

MessagingException

setText

public void setText(java.lang.String text)
             throws MessagingException

Convenience method that sets the given String as this part's content, with a MIME type of "text/plain". If the string contains non US-ASCII characters. it will be encoded using the platform's default charset. The charset is also used to set the "charset" parameter.

Note that there may be a performance penalty if text is large, since this method may have to scan all the characters to determine what charset to use.

If the charset is already known, use the setText() version that takes the charset parameter.

Specified by:

setText in interface Part

Parameters:

text - The text that is the Message's content.

Throws:

MessagingException

See Also:

setText(String text, String charset)

setText

public void setText(java.lang.String text,
                    java.lang.String charset)
             throws MessagingException

Convenience method that sets the given String as this part's content, with a MIME type of "text/plain" and the specified charset. The given Unicode string will be charset-encoded using the specified charset. The charset is also used to set "charset" parameter.

Throws:

MessagingException