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I am looking desperately for a Java library that would be able to generate thumbnails for a large number of file types. Like Office Suite documents, Open Office Documents, PDF, Images etc... The thumbnails has to be readable.
From my understanding .net has hooks to call windows for doing exactly this but the code has to be platform independent (hence java)
I have found some libraries for image thumbnail generation some for word document but nothing that seems very good.
I am looking a one does it all library for generating the thumbnails does it exist?
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Shai Almog
You have made facebook clone and whatsapp clone.So you can easily help me.Can you please give me the source code for that or i have made a similar app in android studio and can I convert it to Codename one
The full source code for these applications is available as part of this course https://codenameone.teachable.com/p/build-real-world-full-stack-mobile-apps-in-java
Pulling out a snippet for something like this is nearly impossible as the apps are large and intertwined. There are samples for file upload in the javadocs and a sample image gallery in the kitchen sink demo.
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I am working on a program which gathers data and stores it in a file. I need to be able to write a program which reads from the created file and plots a scatter/bar/pie graph from it. Does anyone know any Graphing Libraries which I can use to do this? I've seen suggestions for libraries which can graph nodes, vertices etc. but none for common graphs. Help would be appreciated. Thanks
For charts you can use JFreeChart. It is an open sorce java library with a good API.
If you want to draw graphs (trees for example) you can use JGraphX which is also an open source library.
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I would like look for an open source image resize and uploader for a web application. Preferably leveraging on W3C speficication and try avoid need client to install any application.
Target uploading images are limited to 1 ~ 3 and resizing in terms of width & height only.
Hopefully works well with Java technology.
Use any upload framework and resize the images on the server using ImageMagick. ProcessBuilder is your friend.
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I have extracted a number of OleObject files from a Word DOCX document (oleObject1.bin ... etc.) Is there Open Source code (primarily in Java) to read this. (I would only be interested in *.net code if it can be easily ported to Java). I am not interested in the rest of the Word document (in this question). There is an Apache project (http://poi.apache.org/) - I'd be interested in how well this works
Apache POI - POIFS is a Java implementation of the OLE 2 Compound Document format. In my experience it works pretty well for the sort of scenario you are reffering to. Check it out.
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I am using Java in eclipse, It would be wonderful if I could find a plug in which can draw state chart from a XML format.
I don't know about plug-ins for Eclipse, but I'd recommend AT&T's graphviz as a terrific tool for easily rendering states and transitions. The input format is not XML; however, it'd be trivial to read an XML file, generate the required format, and render it using graphviz. Laszlo Szathmary has a nice Java class that lets you do it right inside a Java class - very nice.
Check out Eclipse's Graphical Editing Framework(GEF). It should have everything you need. http://www.eclipse.org/gef/overview.html