By jGuru
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Exercises]
In this exercise, create a program that sends a message with an attachment.
Prerequisites
Skeleton Code
Tasks
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1. The skeleton code already includes the code to get the initial mail session.
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2. From the session, get a Message and set its header fields: to, from, and subject.
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3. Create a BodyPart for the main message cotent and fill its content with the text of the message.
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4. Create a Multipart to combine the main content with the attachment. Add the main content to the multipart.
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5. Create a second BodyPart for the attachment.
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6. Get the attachment as a DataSource.
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7. Set the DataHandler for the message part to the data source. Carry the original filename along.
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8. Add the second part of the message to the multipart.
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9. Set the content of the message to the multipart.
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11. Compile and run the program, passing your SMTP server, from address, to address, and filename on the command line. This will send the file as an attachment.
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12. Check to make sure you received the message with your normal mail reader (Eudora, Outlook Express, pine, ...).
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Where help exists, the task numbers above are linked to the step-by-step help page.
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Solution Source
Demonstration
Executing the following command (replacing the mail server, from address, to address, and filename) sends a message with an attachment:
java AttachExample SMTP.Server from@address to@address filename
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