PreencodedMimeBodyPart (Java EE 5 SDK)

Java

Java EE 5 SDK

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javax.mail.internet Class PreencodedMimeBodyPart

java.lang.Object
  extended by javax.mail.BodyPart
      extended by javax.mail.internet.MimeBodyPart
          extended by javax.mail.internet.PreencodedMimeBodyPart
所有已实现的接口:
MimePart, Part

public class PreencodedMimeBodyPart
extends MimeBodyPart

A MimeBodyPart that handles data that has already been encoded. This class is useful when constructing a message and attaching data that has already been encoded (for example, using base64 encoding). The data may have been encoded by the application, or may have been stored in a file or database in encoded form. The encoding is supplied when this object is created. The data is attached to this object in the usual fashion, by using the setText, setContent, or setDataHandler methods.

从以下版本开始:
JavaMail 1.4

字段摘要
 
Fields inherited from class javax.mail.internet.MimeBodyPart
content, contentStream, dh, headers
 
Fields inherited from class javax.mail.BodyPart
parent
 
Fields inherited from interface javax.mail.Part
ATTACHMENT, INLINE
 
构造器摘要
PreencodedMimeBodyPart(String encoding)
          Create a PreencodedMimeBodyPart that assumes the data is encoded using the specified encoding.
 
方法摘要
 String getEncoding()
          Returns the content transfer encoding specified when this object was created.
protected  void updateHeaders()
          Force the Content-Transfer-Encoding header to use the encoding that was specified when this object was created.
 void writeTo(OutputStream os)
          Output the body part as an RFC 822 format stream.
 
类方法继承 javax.mail.internet.MimeBodyPart
addHeader, addHeaderLine, attachFile, attachFile, getAllHeaderLines, getAllHeaders, getContent, getContentID, getContentLanguage, getContentMD5, getContentStream, getContentType, getDataHandler, getDescription, getDisposition, getFileName, getHeader, getHeader, getInputStream, getLineCount, getMatchingHeaderLines, getMatchingHeaders, getNonMatchingHeaderLines, getNonMatchingHeaders, getRawInputStream, getSize, isMimeType, removeHeader, saveFile, saveFile, setContent, setContent, setContentID, setContentLanguage, setContentMD5, setDataHandler, setDescription, setDescription, setDisposition, setFileName, setHeader, setText, setText, setText
 
类方法继承 javax.mail.BodyPart
getParent
 
类方法继承 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

构造器详细信息

PreencodedMimeBodyPart

public PreencodedMimeBodyPart(String encoding)
Create a PreencodedMimeBodyPart that assumes the data is encoded using the specified encoding. The encoding must be a MIME supported Content-Transfer-Encoding.

方法详细信息

getEncoding

public String getEncoding()
                   throws MessagingException
Returns the content transfer encoding specified when this object was created.

规范说明:
getEncoding in interface MimePart
重写:
getEncoding in class MimeBodyPart
返回:
content-transfer-encoding
抛出异常:
MessagingException
另请参见:
MimeBodyPart.headers

writeTo

public void writeTo(OutputStream os)
             throws IOException,
                    MessagingException
Output the body part as an RFC 822 format stream.

规范说明:
writeTo in interface Part
重写:
writeTo in class MimeBodyPart
抛出异常:
MessagingException
IOException - if an error occurs writing to the stream or if an error is generated by the javax.activation layer.
另请参见:
DataHandler.writeTo(java.io.OutputStream)

updateHeaders

protected void updateHeaders()
                      throws MessagingException
Force the Content-Transfer-Encoding header to use the encoding that was specified when this object was created.

重写:
updateHeaders in class MimeBodyPart
抛出异常:
MessagingException

Java EE 5 SDK

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