We implemented something similar for Tapestry 3 and I'm in the process
of converting it to Tapestry 4.
We send Tapestry rendered email pages as email, but we did not use a
service approach. We render the pages during a request and once the
email page is rendered and sent, we leave tapestry render the next
page for the user.
I was thinking about implemting this as a component instead of a
service. I'll have a look though if this could be done as an engine
service. It might be quite nicer.
Henri.
On 2/22/06, Numa Schmeder <[EMAIL PROTECTED]> wrote:
> Hello,
>
> I would like to create a library based on tapestry to generate email
> or pdf report. I want to tapestry to generate the html and txt part
> of the email and put them in a mime message using java mail api. I
> would also like to use tapestry to generate xml reports that can be
> transformed thanks to Jakarta fop in a pdf. There are plenty of
> tools and libraries to generate email or pdf, but i would like one
> integrated with tapestry as i am working mostly with tapestry, and i
> don't want to learn new tools and have many dependencies.
>
> For a current web application i use tapestry to generate html only
> email to confirm user registration.
> Here is an example on how i do it:
> //the listener that get triggered on form submission
>
> public void sendEmail(IRequestCycle cycle) {
> ValidationDelegate delegate = (ValidationDelegate)getBeans
> ().getBean("delegate");
> if (!delegate.getHasErrors()) {
>
> EmailForFriend page = (EmailForFriend)cycle.getPage
> ("ec:EmailForFriend");
> page.setSenderName(getSenderName());
> page.setRecipientName(getRecipientName());
> page.setComment(getComment());
> page.setProperty((UserInfo) getProperty());
>
> CharArrayWriter w = new CharArrayWriter();
> PrintWriter pw = new PrintWriter(w);
> HTMLWriter hw = new HTMLWriter(pw);
>
>
> cycle.activate(page);
> cycle.renderPage(hw);
> cycle.activate(this);
> setEmailSent(true);
> MailService.sendEmail(getRecipientEmail(),
> "[EMAIL PROTECTED]",
> "---disclosed subject----",
> w.toString());
> }
> }
>
> I don't know if this is correct, it happen to make some bugs when the
> page gets reactivated and you set a property, as property are marked
> dirty?!
>
> I would like an easy way to take a page in a framework or in the
> current web application and render it without polluting the
> RequestCycle. So maybe by using a special RequestCycle, let's call it
> MailCycle.
>
> Example:
>
> HtmlPart part1 = mailCycle.getPage("ec:TestHtmlPart");
>
> TxtPart part2 = mailCycle.getPage("ec:TestTxtPart");
>
> part1.setProperty("myProperty", myProperty);
> etc....
> part2.setProperty("myProperty", myProperty);
> etc...
>
> and then sending the multipart mail using
>
> MimeMessage message = new MimeMessage(session);
>
> etc....
>
> The ultimate goal would be to have a simple library that use tapestry
> and that could be invoked with or without a web server to create an
> email using tapestry template:
>
>
> TapestryMailService service = new TapestryMailService();
> //we set the different properties needed by the templates
> service.setProperty("myProperty", myProperty);
> //we set the path to the txt template
> service.setTxtTemplate("path_to_text.txt");
> //we set the path the html template
> service.setHtmlTemplate("path_to_html.html");
> //we add any other attachment if required
> service.addAttachment("path_to_attachment");
> service.setSender("[EMAIL PROTECTED]");
> service.setRecipient("[EMAIL PROTECTED]");
> service.setSubject("Sending email using tapestry templating engine is
> great!!!");
> service.sendMail();
>
>
> Maybe i could do something more object oriented :)
>
> Does this sound possible and reasonable, where should i look to use
> the rendering mechanism of tapestry...
> If anyone has already implemented this or has an idea, i would be
> very thankful.
>
> Thanks
>
> Numa
>
>
>
>
>
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>
>
--
Thanks,
Henri.
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