April 2018
Intermediate to advanced
202 pages
4h 48m
English
Content preview from Data-Centric Applications with Vaadin 8
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Exporting a report to a PDF
HTML is the best option to render a report in a browser. However, JasperReports and DynamicJasper support many other formats. These formats are available as implementations of the JRExporter interface. One of them is the JRPdfExporter class. The example application includes the LastHourCallReport class, which, in contrast to previous report implementations, is not a Vaadin UI component. Since we want to allow users to download this report, we don't really need a UI component for it. Instead, LastHourCallReport is a helper class that configures the report, exports it as a PDF, and exposes the content of the file through an OutputStream suitable for the FileDownloader class, part of Vaadin Framework.
Omitting the ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.