com.sun.mail.pop3
Class POP3Message

java.lang.Object
  javax.mail.Message
      javax.mail.internet.MimeMessage
          com.sun.mail.pop3.POP3Message

All Implemented Interfaces:

javax.mail.internet.MimePart, javax.mail.Part

public class POP3Message
extends javax.mail.internet.MimeMessage

A POP3 Message. Just like a MimeMessage except that some things are not supported.

Nested Class Summary

Nested classes/interfaces inherited from class javax.mail.internet.MimeMessage

javax.mail.internet.MimeMessage.RecipientType

Field Summary

Fields inherited from class javax.mail.internet.MimeMessage

content, contentStream, dh, flags, headers, modified, saved

Fields inherited from class javax.mail.Message

expunged, msgnum, session

Fields inherited from interface javax.mail.Part

ATTACHMENT, INLINE

Constructor Summary

POP3Message(javax.mail.Folder folder, int msgno)

Method Summary

void	addHeader(java.lang.String name, java.lang.String value) Add this value to the existing values for this header_name.
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.util.Enumeration	getAllHeaders() Return all the headers from this Message as an enumeration of Header objects.
protected java.io.InputStream	getContentStream() Produce the raw bytes of the content.
java.lang.String[]	getHeader(java.lang.String name) Get all the headers for this header_name.
java.lang.String	getHeader(java.lang.String name, java.lang.String delimiter) Get all the headers for this header name, returned as a single String, with headers separated by the delimiter.
java.util.Enumeration	getMatchingHeaderLines(java.lang.String[] names) Get matching header lines as an Enumeration of Strings.
java.util.Enumeration	getMatchingHeaders(java.lang.String[] names) Return matching headers from this Message as an Enumeration of Header objects.
java.util.Enumeration	getNonMatchingHeaderLines(java.lang.String[] names) Get non-matching header lines as an Enumeration of Strings.
java.util.Enumeration	getNonMatchingHeaders(java.lang.String[] names) Return non-matching headers from this Message as an Enumeration of Header objects.
int	getSize() Return the size of the content of this message in bytes.
void	invalidate(boolean invalidateHeaders) Invalidate the cache of content for this message object, causing it to be fetched again from the server the next time it is needed.
void	removeHeader(java.lang.String name) Remove all headers with this name.
void	saveChanges() POP3 message can't be changed.
void	setFlags(javax.mail.Flags newFlags, boolean set) Set the specified flags on this message to the specified value.
void	setHeader(java.lang.String name, java.lang.String value) Set the value for this header_name.
java.io.InputStream	top(int n) Fetch the header of the message and the first n lines of the raw content of the message.
void	writeTo(java.io.OutputStream os, java.lang.String[] ignoreList) Output the message as an RFC 822 format stream, without specified headers.

Methods inherited from class javax.mail.internet.MimeMessage

addFrom, addRecipients, addRecipients, createInternetHeaders, createMimeMessage, getAllRecipients, getContent, getContentID, getContentLanguage, getContentMD5, getContentType, getDataHandler, getDescription, getDisposition, getEncoding, getFileName, getFlags, getFrom, getInputStream, getLineCount, getMessageID, getRawInputStream, getReceivedDate, getRecipients, getReplyTo, getSender, getSentDate, getSubject, isMimeType, isSet, parse, reply, setContent, setContent, setContentID, setContentLanguage, setContentMD5, setDataHandler, setDescription, setDescription, setDisposition, setFileName, setFrom, setFrom, setRecipients, setRecipients, setReplyTo, setSender, setSentDate, setSubject, setSubject, setText, setText, setText, updateHeaders, updateMessageID, writeTo

Methods inherited from class javax.mail.Message

addRecipient, getFolder, getMessageNumber, isExpunged, match, setExpunged, setFlag, setMessageNumber, setRecipient

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

POP3Message

public POP3Message(javax.mail.Folder folder,
                   int msgno)
            throws javax.mail.MessagingException

Throws:

javax.mail.MessagingException

Method Detail

setFlags

public void setFlags(javax.mail.Flags newFlags,
                     boolean set)
              throws javax.mail.MessagingException

Set the specified flags on this message to the specified value.

Overrides:

setFlags in class javax.mail.internet.MimeMessage

Parameters:

newFlags - the flags to be set

set - the value to be set

Throws:

javax.mail.MessagingException

See Also:

MessageChangedEvent

getSize

public int getSize()
            throws javax.mail.MessagingException

Return the size of the content of this message in bytes. Returns -1 if the size cannot be determined.

Note that this number may not be an exact measure of the content size and may or may not account for any transfer encoding of the content.

Specified by:

getSize in interface javax.mail.Part

Overrides:

getSize in class javax.mail.internet.MimeMessage

Returns:

size of content in bytes

Throws:

javax.mail.MessagingException

getContentStream

protected java.io.InputStream getContentStream()
                                        throws javax.mail.MessagingException

Produce the raw bytes of the content. The data is fetched using the POP3 RETR command.

Overrides:

getContentStream in class javax.mail.internet.MimeMessage

Throws:

javax.mail.MessagingException

See Also:

MimeMessage.contentStream

invalidate

public void invalidate(boolean invalidateHeaders)

Invalidate the cache of content for this message object, causing it to be fetched again from the server the next time it is needed. If invalidateHeaders is true, invalidate the headers as well.

Parameters:

invalidateHeaders - invalidate the headers as well?

top

public java.io.InputStream top(int n)
                        throws javax.mail.MessagingException

Fetch the header of the message and the first n lines of the raw content of the message. The headers and data are available in the returned InputStream.

Parameters:

n - number of lines of content to fetch

Returns:

InputStream containing the message headers and n content lines

Throws:

javax.mail.MessagingException

getHeader

public java.lang.String[] getHeader(java.lang.String name)
                             throws javax.mail.MessagingException

Get all the headers for this header_name. Note that certain headers may be encoded as per RFC 2047 if they contain non US-ASCII characters and these should be decoded.

Specified by:

getHeader in interface javax.mail.Part

Overrides:

getHeader in class javax.mail.internet.MimeMessage

Parameters:

name - name of header

Returns:

array of headers

Throws:

javax.mail.MessagingException

See Also:

MimeUtility

getHeader

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

Get all the headers for this header name, returned as a single String, with headers separated by the delimiter. If the delimiter is null, only the first header is returned.

Specified by:

getHeader in interface javax.mail.internet.MimePart

Overrides:

getHeader in class javax.mail.internet.MimeMessage

Parameters:

name - the name of this header

delimiter - delimiter between returned headers

Returns:

the value fields for all headers with this name

Throws:

javax.mail.MessagingException

setHeader

public void setHeader(java.lang.String name,
                      java.lang.String value)
               throws javax.mail.MessagingException

Set the value for this header_name. Throws IllegalWriteException because POP3 messages are read-only.

Specified by:

setHeader in interface javax.mail.Part

Overrides:

setHeader in class javax.mail.internet.MimeMessage

Parameters:

name - header name

value - header value

Throws:

javax.mail.IllegalWriteException - because the underlying implementation does not support modification

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

javax.mail.MessagingException

See Also:

MimeUtility

addHeader

public void addHeader(java.lang.String name,
                      java.lang.String value)
               throws javax.mail.MessagingException

Add this value to the existing values for this header_name. Throws IllegalWriteException because POP3 messages are read-only.

Specified by:

addHeader in interface javax.mail.Part

Overrides:

addHeader in class javax.mail.internet.MimeMessage

Parameters:

name - header name

value - header value

Throws:

javax.mail.IllegalWriteException - because the underlying implementation does not support modification

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

javax.mail.MessagingException

See Also:

MimeUtility

removeHeader

public void removeHeader(java.lang.String name)
                  throws javax.mail.MessagingException

Remove all headers with this name. Throws IllegalWriteException because POP3 messages are read-only.

Specified by:

removeHeader in interface javax.mail.Part

Overrides:

removeHeader in class javax.mail.internet.MimeMessage

Parameters:

name - the name of this header

Throws:

javax.mail.IllegalWriteException - because the underlying implementation does not support modification

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

javax.mail.MessagingException

getAllHeaders

public java.util.Enumeration getAllHeaders()
                                    throws javax.mail.MessagingException

Return all the headers from this Message as an enumeration of Header objects.

Note that certain headers may be encoded as per RFC 2047 if they contain non US-ASCII characters and these should be decoded.

Specified by:

getAllHeaders in interface javax.mail.Part

Overrides:

getAllHeaders in class javax.mail.internet.MimeMessage

Returns:

array of header objects

Throws:

javax.mail.MessagingException

See Also:

MimeUtility

getMatchingHeaders

public java.util.Enumeration getMatchingHeaders(java.lang.String[] names)
                                         throws javax.mail.MessagingException

Return matching headers from this Message as an Enumeration of Header objects.

Specified by:

getMatchingHeaders in interface javax.mail.Part

Overrides:

getMatchingHeaders in class javax.mail.internet.MimeMessage

Returns:

enumeration of Header objects

Throws:

javax.mail.MessagingException

getNonMatchingHeaders

public java.util.Enumeration getNonMatchingHeaders(java.lang.String[] names)
                                            throws javax.mail.MessagingException

Return non-matching headers from this Message as an Enumeration of Header objects.

Specified by:

getNonMatchingHeaders in interface javax.mail.Part

Overrides:

getNonMatchingHeaders in class javax.mail.internet.MimeMessage

Returns:

enumeration of Header objects

Throws:

javax.mail.MessagingException

addHeaderLine

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

Add a raw RFC822 header-line. Throws IllegalWriteException because POP3 messages are read-only.

Specified by:

addHeaderLine in interface javax.mail.internet.MimePart

Overrides:

addHeaderLine in class javax.mail.internet.MimeMessage

Throws:

javax.mail.IllegalWriteException - because the underlying implementation does not support modification

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

javax.mail.MessagingException

getAllHeaderLines

public java.util.Enumeration getAllHeaderLines()
                                        throws javax.mail.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.

Specified by:

getAllHeaderLines in interface javax.mail.internet.MimePart

Overrides:

getAllHeaderLines in class javax.mail.internet.MimeMessage

Throws:

javax.mail.MessagingException

getMatchingHeaderLines

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

Specified by:

getMatchingHeaderLines in interface javax.mail.internet.MimePart

Overrides:

getMatchingHeaderLines in class javax.mail.internet.MimeMessage

Throws:

javax.mail.MessagingException

getNonMatchingHeaderLines

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

Specified by:

getNonMatchingHeaderLines in interface javax.mail.internet.MimePart

Overrides:

getNonMatchingHeaderLines in class javax.mail.internet.MimeMessage

Throws:

javax.mail.MessagingException

saveChanges

public void saveChanges()
                 throws javax.mail.MessagingException

POP3 message can't be changed. This method throws IllegalWriteException.

Overrides:

saveChanges in class javax.mail.internet.MimeMessage

Throws:

javax.mail.IllegalWriteException - because the underlying implementation does not support modification

javax.mail.MessagingException

writeTo

public void writeTo(java.io.OutputStream os,
                    java.lang.String[] ignoreList)
             throws java.io.IOException,
                    javax.mail.MessagingException

Output the message as an RFC 822 format stream, without specified headers. If the property "mail.pop3.cachewriteto" is set to "true", and ignoreList is null, and the message hasn't already been cached as a side effect of other operations, the message content is cached before being written. Otherwise, the message is streamed directly to the output stream without being cached.

Overrides:

writeTo in class javax.mail.internet.MimeMessage

Throws:

javax.mail.MessagingException

java.io.IOException - if an error occurs writing to the stream or if an error is generated by the javax.activation layer.

See Also:

DataHandler.writeTo(java.io.OutputStream)