Package com.sun.mail.dsn
Class MessageHeaders
- java.lang.Object
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- javax.mail.Message
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- javax.mail.internet.MimeMessage
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- com.sun.mail.dsn.MessageHeaders
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public class MessageHeaders extends MimeMessage
A special MimeMessage object that contains only message headers, no content. Used to represent the MIME type text/rfc822-headers.- Since:
- JavaMail 1.4
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Nested Class Summary
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Nested classes/interfaces inherited from class javax.mail.internet.MimeMessage
MimeMessage.RecipientType
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Field Summary
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Fields inherited from class javax.mail.internet.MimeMessage
cachedContent, content, contentStream, dh, flags, headers, modified, saved
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Fields inherited from interface javax.mail.Part
ATTACHMENT, INLINE
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Constructor Summary
Constructors Constructor Description MessageHeaders()
Construct a MessageHeaders object.MessageHeaders(java.io.InputStream is)
Constructs a MessageHeaders object from the given InputStream.MessageHeaders(InternetHeaders headers)
Constructs a MessageHeaders object using the given InternetHeaders.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description protected java.io.InputStream
getContentStream()
Produce the raw bytes of the content.java.io.InputStream
getInputStream()
Return a decoded input stream for this Message's "content".int
getSize()
Return the size of this message.void
setDataHandler(javax.activation.DataHandler dh)
Can't set any content for a MessageHeaders object.-
Methods inherited from class javax.mail.internet.MimeMessage
addFrom, addHeader, addHeaderLine, addRecipients, addRecipients, createInternetHeaders, createMimeMessage, getAllHeaderLines, getAllHeaders, getAllRecipients, getContent, getContentID, getContentLanguage, getContentMD5, getContentType, getDataHandler, getDescription, getDisposition, getEncoding, getFileName, getFlags, getFrom, getHeader, getHeader, getLineCount, getMatchingHeaderLines, getMatchingHeaders, getMessageID, getNonMatchingHeaderLines, getNonMatchingHeaders, getRawInputStream, getReceivedDate, getRecipients, getReplyTo, getSender, getSentDate, getSubject, isMimeType, isSet, parse, removeHeader, reply, reply, saveChanges, setContent, setContent, setContentID, setContentLanguage, setContentMD5, setDescription, setDescription, setDisposition, setFileName, setFlags, setFrom, setFrom, setFrom, setHeader, setRecipients, setRecipients, setReplyTo, setSender, setSentDate, setSubject, setSubject, setText, setText, setText, updateHeaders, updateMessageID, writeTo, writeTo
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Methods inherited from class javax.mail.Message
addRecipient, getFolder, getMessageNumber, getSession, isExpunged, match, setExpunged, setFlag, setMessageNumber, setRecipient
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Constructor Detail
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MessageHeaders
public MessageHeaders() throws MessagingException
Construct a MessageHeaders object.- Throws:
MessagingException
- for failures
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MessageHeaders
public MessageHeaders(java.io.InputStream is) throws MessagingException
Constructs a MessageHeaders object from the given InputStream.- Parameters:
is
- InputStream- Throws:
MessagingException
- for failures
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MessageHeaders
public MessageHeaders(InternetHeaders headers) throws MessagingException
Constructs a MessageHeaders object using the given InternetHeaders.- Parameters:
headers
- InternetHeaders to use- Throws:
MessagingException
- for failures
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Method Detail
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getSize
public int getSize()
Return the size of this message. Always returns zero.- Specified by:
getSize
in interfacePart
- Overrides:
getSize
in classMimeMessage
- Returns:
- size of content in bytes
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getInputStream
public java.io.InputStream getInputStream()
Description copied from class:MimeMessage
Return a decoded input stream for this Message's "content".This implementation obtains the input stream from the DataHandler, that is, it invokes
getDataHandler().getInputStream()
.- Specified by:
getInputStream
in interfacePart
- Overrides:
getInputStream
in classMimeMessage
- Returns:
- an InputStream
- See Also:
MimeMessage.getContentStream()
,DataHandler.getInputStream()
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getContentStream
protected java.io.InputStream getContentStream()
Description copied from class:MimeMessage
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 returns a SharedInputStream, if
contentStream
is not null. Otherwise, it returns a ByteArrayInputStream constructed out of thecontent
byte array.- Overrides:
getContentStream
in classMimeMessage
- Returns:
- an InputStream containing the raw bytes
- See Also:
MimeMessage.content
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setDataHandler
public void setDataHandler(javax.activation.DataHandler dh) throws MessagingException
Can't set any content for a MessageHeaders object.- Specified by:
setDataHandler
in interfacePart
- Overrides:
setDataHandler
in classMimeMessage
- Parameters:
dh
- The DataHandler for the content.- Throws:
MessagingException
- always
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