I have a maven project imported into Eclipse. I'm trying to understand the code pattern (architecture). What is the best way to do this?
will use any UML Eclipse plugin help on this?
will use sequence diagram, help on this?
what plugins should I use?
Please share your opinion.
When I am working with a open source project/codebase I get a high-level view and focus on the core code/logic by checking the package names and structure. I then typically determine how the API works by looking at any example code / documentation contained in the project. If I still need some more help I will draw up some inheritance diagrams, print out interesting classes that I may need to make significant changes to, and try to find more examples of the code being used elsewhere.
I am biased and have been using our recently launched Architexa Eclipse plugin to accomplish the above. I am sure there are others available that do something similar.
I guess you will find some pointers in this SE-Radio podcast: Episode 148: Software Archaeology with Dave Thomas.
Of course, UML can help, but on the other side, it might not as well. For reverse engineering, there is the MoDisco project in Eclipse, which might be useful.
Related
This is my first StackOverflow question, and I'm also a Grade 12 student, so apologies if it is a stupid one - feel free to let me know if it is, however, after numerous hours searching the internet, I can't find an answer to this.
this is not homework help.
Background
I am currently writing a program in Netbeans that will deal with large COVID datasets, and I'm looking to use some external libraries to make operations easier. The ones I've looked at are
https://github.com/jtablesaw/tablesaw and https://github.com/nRo/DataFrame.
However, I have only ever used "Java with Ant", and both of these GitHub's only mention using the library through Maven dependencies in the pom.xml file. I have never used Maven, and I am very unfamiliar with Build Tools in general. As when I was introduced to Java, my teacher instructed me to use Java with Ant. That being the case, any time I have used an external library before I have simply added the .jar files into my library folder and used
import foo.bar; or import foo.*; to use the libraries.
My question
Is there a way for me to use either of these libraries without switching build tools? For example, download the source and make the .jar's in a way that isn't overly tedious, so that I can use the libraries the same way I am used to? Or, perhaps something I'm missing that allows me to download them in that format? If not, seeing as almost every Github library I find instructs me to use it through Maven dependency, should I stop using Java with Ant altogether and start learning how to write programs using Maven?
Any insight is greatly appreciated. If this has already been answered, feel free to link the answer and sorry for cluttering up the forum. Thanks.
From one of the Maven websites you can download the libraries and use them as normal. First find the artifact page, for example using mvnrepository.com as shown below, or you could use the https://search.maven.org/:
Find the relevant page by searching for the artifact, then once there you can choose the version:
Then click on "View all" to see the artifact jar files:
Then lastly right-click the file you need and choose save:
I am beginning at Java GUI, so I ask you professional coders to be understading towards to my humble question.
So, I have been coding this small Java project. I came across a problem, which is to query a Json file. During my quest over the internet looking for an answer, I stumbled upon this project on github:
https://github.com/json-path/JsonPath
Which proved to be the solution for my problem. Everything I need to be able to search for specific nodes on a json file is there, hard coded.
My beginner question: Is that possible to include this 'JsonPath' in my existing project? The IDE is Apache Netbeans 10.0 and the project is a Java SE application.
Thanks in advance!
I tried searching Services->Maven repository->Find...
I happened to find this package but I have no clue how to add the package. Also, I am not sure if its possible to add it to my project.
At first I thought doing something like "com.jayway.jsonpath" to my main class would solve my problem - But obvisouly it didn't, that's why I'm asking you guys for some guidance.
You're going to want to use a dependency management tool like Gradle or Maven first. This gives you a place to put all of the third-party dependencies like this one in your project. (Note: how to use or install either of those tools is outside of the scope of this question.)
Then, you just need the Maven coordinates. Luckily the project has those coordinates available.
I have a eclipse modeling, I have the papyrus and I have the MoDisco.
I tried to find some tutorial to know how I can use that tools together and do a reverse engineer. Somebody know how use this? Somebody can put a tutorial?
i`m actually working for a tool, which counts the methods in a class and the number of the if statements. the purpose is to estimate the quantity of test cases to write.
I've noticed that the Eclipse outline box has some interesting information and it would be really nice to get the code which produces the outline information.
I`ve already browsed through the Eclipse Git site, but I am a beginner and there are so many packages, can anybody tell me where I can find the source code for the Outline view, or point me in a good direction?
Best regards.
Download Eclipse Classic which contains the source code for Eclipse. It also allows you to sniff which packages are being used by Eclipse using the plugin-spy. You can then import the specific package and set debug points within it to view the source being executed when a specific event occurs.
The following article provides a good tutorial on the steps mentioned above:
Eclipse Source Code Tutorial
See this article about how to access the Java model from your plugin. IJavaProject is the relevant API.
I am working on an incremental builder for Java code in Eclipse. Eclipse provides a ResourceDelta that tells me which resources have changed since the last build. However, I would like to have more detailed information, e.g. what methods or what field definitions changed. There seems to be functionality similar to what I want in the "compare with -> each other" view. However, this code is quite disconnected from the build engine and seems incompatible with ResourceDeltas. What would be a good way to figure out what I want? The best solution I can see is to compare two ASTs, but I also could not find any built-in support for that.
JavaCore does supply this information via the IElementChangedListener and IJavaElementDelta interfaces. Here's a quick code sample to get you started:
JavaCore.addElementChangedListener(new MyJavaElementChangeReporter(), ElementChangedEvent.POST_RECONCILE);
More details available in Manipulating Java code from the JDT Plug-in Developer Guide.