Java(TM) Boutique - Using FOP With Java - Part 3- Graphics with FOP

Tutorials : Using FOP With Java - Graphics with FOP :

The XSL-FO Call

If you are using <fo:external-graphic> element, you can use it in the same way to load a non-file image just by replacing the URN of the image by the url of the Servlet. Here is the example,

 <fo:external-graphic src=http://localhhost:8080/servlet/MediaServlet? 
attachmentURN=IM293>
</fo:external-graphic>

Notice that we are passing the attachment URN as a request parameter. If you need to you can parameterize this URN by passing the data as part of the XML that will be processed. Do not forget, we are doing all these to process an XML data with this XSL-FO and pass through FOP to produce output in a desired format such as PDF etc.

Conclusion

This brings us to the end of this article and this series on FOP and Java. We have in total covered the basics of XSL-FO, converted XML Data to PDF, created print solutions using FOP and finally seen how to use images with FOP from a local file resource and also from non-file resource. This almost covers all the aspects you need to know when using FOP with Java. As FOP uses XSL-FO, you will eventually need to know more about XSL-FO that I have not covered in this series. With this I shall draw an end to this series. Good-bye and Happy Coding.

Samudra Gupta has six years of Java related application development experience. He has been involved in various research based projects in Java including e-commerce based and application design and development projects. He is based in the United Kingdom. In his free time, he is a columnist in different Java Magazines and Journals and loves to play contract bridge.

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