MessageContext (Java EE 5)

java.lang.Object
  javax.mail.MessageContext

包含 Message 内容的某个片段的上下文。MessageAware 接口的 getMessageContext 方法返回 MessageContext 对象。MessageAware 通常由 DataSources 实现，以允许 DataContentHandler 传递有关操作数据内容对象所在上下文的信息。

since	en JavaMail 1.1
See also	javax.mail.MessageAware, javax.activation.DataSource, javax.activation.DataContentHandler

英文文档：

The context in which a piece of Message content is contained. A MessageContext object is returned by the getMessageContext method of the MessageAware interface. MessageAware is typically implemented by DataSources to allow a DataContentHandler to pass on information about the context in which a data content object is operating.

Since:

JavaMail 1.1

See Also:

MessageAware, DataSource, DataContentHandler

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Constructor Summary
MessageContext(Part part)           Create a MessageContext object describing the context of the given Part.

 

Method Summary
Message	getMessage()           Return the Message that contains the content.
Part	getPart()           Return the Part that contains the content.
Session	getSession()           Return the Session we're operating in.

 

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

Constructor Detail

public MessageContext(Part part)
创建描述给定 Part 的上下文的 MessageContext 对象。

英文文档：

MessageContext

public MessageContext(Part part)

Create a MessageContext object describing the context of the given Part.

Method Detail

public Part getPart()
返回包含内容的 Part。

return

包含内容的 Part；如果未知，则返回 null

英文文档：

getPart

public Part getPart()

Return the Part that contains the content.

Returns:

the containing Part, or null if not known

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public Message getMessage()
返回包含内容的 Message。沿父 Message 对象链从头到尾搜索包含内容的 Multipart 对象，直到找到某个 Message 对象为止；或者返回 null。

return

包含内容的 Message；如果未知，则返回 null

英文文档：

getMessage

public Message getMessage()

Return the Message that contains the content. Follows the parent chain up through containing Multipart objects until it comes to a Message object, or null.

Returns:

the containing Message, or null if not known

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public Session getSession()
返回正操作的 Session。

return

Session；如果未知，则返回 null

英文文档：

getSession

public Session getSession()

Return the Session we're operating in.

Returns:

the Session, or null if not known

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