uidfolder.html

j2ee api,很好的api。我这现在有

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the UIDValidity value associated with this folder. </TD>
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<A NAME="LASTUID"><!-- --></A><H3>
LASTUID</H3>
<PRE>
public static final long <B>LASTUID</B></PRE>
<DL>
<DD>This is a special value that can be used as the <code>end</code>
 parameter in <code>getMessages(start, end)</code>, to denote the
 last UID in this folder.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../javax/mail/UIDFolder.html#getMessagesByUID(long, long)"><CODE>getMessagesByUID(long, long)</CODE></A>, 
<A HREF="../../constant-values.html#javax.mail.UIDFolder.LASTUID">Constant Field Values</A></DL>
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<A NAME="getUIDValidity()"><!-- --></A><H3>
getUIDValidity</H3>
<PRE>
public long <B>getUIDValidity</B>()
                    throws <A HREF="../../javax/mail/MessagingException.html" title="class in javax.mail">MessagingException</A></PRE>
<DL>
<DD>Returns the UIDValidity value associated with this folder. <p>
 
 Clients typically compare this value against a UIDValidity
 value saved from a previous session to insure that any cached 
 UIDs not stale.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>UIDValidity
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../javax/mail/MessagingException.html" title="class in javax.mail">MessagingException</A></CODE></DL>
</DD>
</DL>
<HR>

<A NAME="getMessageByUID(long)"><!-- --></A><H3>
getMessageByUID</H3>
<PRE>
public <A HREF="../../javax/mail/Message.html" title="class in javax.mail">Message</A> <B>getMessageByUID</B>(long&nbsp;uid)
                        throws <A HREF="../../javax/mail/MessagingException.html" title="class in javax.mail">MessagingException</A></PRE>
<DL>
<DD>Get the Message corresponding to the given UID. If no such 
 message exists, <code>null</code> is returned.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>uid</CODE> - UID for the desired message
<DT><B>Returns:</B><DD>the Message object. <code>null</code> is returned
			if no message corresponding to this UID is obtained.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../javax/mail/MessagingException.html" title="class in javax.mail">MessagingException</A></CODE></DL>
</DD>
</DL>
<HR>

<A NAME="getMessagesByUID(long, long)"><!-- --></A><H3>
getMessagesByUID</H3>
<PRE>
public <A HREF="../../javax/mail/Message.html" title="class in javax.mail">Message</A>[] <B>getMessagesByUID</B>(long&nbsp;start,
                                  long&nbsp;end)
                           throws <A HREF="../../javax/mail/MessagingException.html" title="class in javax.mail">MessagingException</A></PRE>
<DL>
<DD>Get the Messages specified by the given range. The special
 value LASTUID can be used for the <code>end</code> parameter
 to indicate the last available UID.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>start</CODE> - start UID<DD><CODE>end</CODE> - end UID
<DT><B>Returns:</B><DD>array of Message objects
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../javax/mail/MessagingException.html" title="class in javax.mail">MessagingException</A></CODE><DT><B>See Also:</B><DD><A HREF="../../javax/mail/UIDFolder.html#LASTUID"><CODE>LASTUID</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="getMessagesByUID(long[])"><!-- --></A><H3>
getMessagesByUID</H3>
<PRE>
public <A HREF="../../javax/mail/Message.html" title="class in javax.mail">Message</A>[] <B>getMessagesByUID</B>(long[]&nbsp;uids)
                           throws <A HREF="../../javax/mail/MessagingException.html" title="class in javax.mail">MessagingException</A></PRE>
<DL>
<DD>Get the Messages specified by the given array of UIDs. If any UID is 
 invalid, <code>null</code> is returned for that entry. <p>

 Note that the returned array will be of the same size as the specified
 array of UIDs, and <code>null</code> entries may be present in the
 array to indicate invalid UIDs.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>uids</CODE> - array of UIDs
<DT><B>Returns:</B><DD>array of Message objects
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../javax/mail/MessagingException.html" title="class in javax.mail">MessagingException</A></CODE></DL>
</DD>
</DL>
<HR>

<A NAME="getUID(javax.mail.Message)"><!-- --></A><H3>
getUID</H3>
<PRE>
public long <B>getUID</B>(<A HREF="../../javax/mail/Message.html" title="class in javax.mail">Message</A>&nbsp;message)
            throws <A HREF="../../javax/mail/MessagingException.html" title="class in javax.mail">MessagingException</A></PRE>
<DL>
<DD>Get the UID for the specified message. Note that the message
 <strong>must</strong> belong to this folder. Else the 
 java.util.NoSuchElementException is thrown.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>message</CODE> - Message from this folder
<DT><B>Returns:</B><DD>UID for this message
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/NoSuchElementException.html" title="class or interface in java.util">NoSuchElementException</A></CODE> - if the given Message
			is not in this Folder.
<DD><CODE><A HREF="../../javax/mail/MessagingException.html" title="class in javax.mail">MessagingException</A></CODE></DL>
</DD>
</DL>
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