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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