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I am in the process of using Java to read javadocs.
My java object has the attributes,
Description
Package Name
Method Name, Method Description
Is there any existing api that can do this?
How can I read the javadoc in such a way that I can extract the above mentioned attributes?
The javadoc tool includes an API for writing custom doclets. These basically get the parsed tree of documentation fragments and they generate some kind of report based on that. The standard doclet generates the HTML pages everyone is familiar with. Your easiest option is likely to write your own doclet.
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I've been working with SonarQube for just a little I have downloaded the project from the https://docs.sonarqube.org/display/PLUG/Writing+Custom+Java+Rules+101 page, I jumped to create my own rules, but I still lack a lot more knowledge by how customizing them, I don't know how to visit the nodes and changing them depending on the element found on the syntax, the SonarQube page doesn't explain more than the custom exercise, is there a specific guide for this?
https://docs.sonarqube.org/display/PLUG/Writing+Custom+Java+Rules+101 exercise
This is done with AST, it's implemented with Visitor Pattern.
The easiest way is to check examples provided by SonarSource: https://github.com/SonarSource/sonar-custom-rules-examples
Some examples of AST can be found at Java Parser book
I have done some examples for old version 5.2, you can check them at: https://github.com/devwebcl/sonarqube-plugins-java-5.2
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I would like to know the best way to generate reports in java. I have written a small code in java which reads data from my csv file and printing in console. how can i pass this data to my HTML reports.
Thanks in advance
The two options I would consider for creating an HTML representation of your data are Apache Velocity & Freemarker. Both of these are easy to use template engines that separate the generation & formatting of the output from the Java code which I find improves maintainability.
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I need to convert XML file to PDF using Java, is there any decent alternative to XSLT / anything to make the process of creating XSLT file less excruciating?.
Is there any way to get "live preview" instead of generating the file every time to check my changes?
ApacheFOP could be of help! Check this out
Nimbus is a free to use XSL designer based on html and css.
It allows you to create XSL for XSL FO applications.
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I am new in Java and I have a task in my project where I need to get a java object from an xml. Which is the best library I can use? Thanks!
Hands down I recommend FasterXML. http://fasterxml.github.io/
The dev is very good about answering questions both here and on GitHub. It really is a library to be reckoned with.
I've used XStream a lot for exactly that. It's very simple to use, and seems to be pretty robust.
http://x-stream.github.io/
If the project doesn't already use any xml to java library then you should use jaxb which is contained in the jdk, thus you do not need to import another jar in your project.
here you have a nice tutorial about JAXB
https://docs.oracle.com/javase/tutorial/jaxb/intro/
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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