AST Parser get the name of Java class

Question

I am using Eclipse's AST Parser to parse a standalone Java files. This is my below overridden code to get the CompilationUnit (ie Java file) details:

@Override
public boolean visit(CompilationUnit node) {
    System.out.println("Compilation unit: " + node.getPackage().getName());
    System.out.println("Imports: " + node.imports());
    System.out.println("Class Name: " + ??); //How to get this?
    return super.visit(node);
}

As you can see from above code, I am able to get package name, imports etc from CompilationUnit. But the main problem I am facing is, I am not able to get name of the class. I tried printing node.toString() it prints entire source code, I tried with node.getClass(); but it returns me name as CompilationUnit. What I want is name of the class of the file which I am parsing. Is there any in-build methods using I can get this info?

Hi Pradeep, Did you got it. Can you please tell me how you got class name. Thanks! Sangeeta — Sangeeta
– Sangeeta, Commented Jul 28, 2014 at 7:11
@Sangeeta Yes I got, I asked this bit long time, I need to checkback my old code. Will let you know — Pradeep Simha
– Pradeep Simha, Commented Jul 28, 2014 at 8:13

rlegendi · Accepted Answer · 2013-10-31 09:02:46Z

3

In Java, a compilation unit is not equal to a single class.

You can define multiple classes (with package-private access) for example. On the other hand you do not always have a public class within a compilation unit (the restriction is that you may have only one public class, and if you have, its name must be identical to the name of the compilation unit).

I believe you should process with the accept process on your CompilationUnit and write the visit() methods for classes too.

answered Oct 31, 2013 at 9:02

rlegendi

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