Cewolf (Chart Enabling Web Object Framework) can be used inside a Servlet/JSP based web application to embed complex graphical charts of all kinds (e.g. line, pie, bar chart, plots, etc.) into a web page. Therefore it provides a full featured tag library to define all properties of the chart (colors, strokes, legend, etc.). Thus the JSP which embedds the chart is not polluted with any java code. Everything is described with XML conform tags. Cewolf is based on JFreeChart and uses it's rendering engine to render the final chart image into the clients response stream. No files are created on server side. Everything is based on lightweight session objects and dynamic data analysis.Visit publisher site: Cewolf
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I have used Cewolf/JFreeChart now twice. Once for work, and now for a project that I am doing on the side. The tutorial that the cewolf site has is easy, and using their taglib is very straightforward. I will continue to use this api and taglib whenever I need to create charts in the future.