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Re: [Classpathx-javamail] folder size and null pointer
From: |
Chris Burdess |
Subject: |
Re: [Classpathx-javamail] folder size and null pointer |
Date: |
Thu, 10 May 2012 08:24:44 +0100 |
Thufir wrote:
> How do you know *which* messages are available?
>
> Of course, it's possible to load all messages from a folder, but when
> using start and end parameters, how do you know whether the parameters
> are valid?
>
>
>
> getMessages
>
> public Message[] getMessages(int start,
> int end)
> throws MessagingException
>
> Returns the messages in the given range (inclusive).
>
> Parameters:
> start - the number of the first message
> end - the number of the last message
>
> http://www.gnu.org/software/classpathx/javamail/javadoc/javax/mail/Folder.html#getMessages%28int,int%29
Message numbers will be in the range 1 to folder.getMessageCount(), and
you can get the message number of a known message with
message.getMessageNumber().