Get class name of the calling class

Question

I needed to get a class name from my calling class. I will not make too much confusion.
I have 3 classes .
Class A{ //do something }

Class B extends Class A 
{ 
     @Test(dataProvider = "dp" , dataProviderClass = C.class)
     public void methodone(String name)
     {
       //do something
     }
}

Class C extends Class A 
{
    @DataProvider(name="dp")
    public Object[][] getData(Method m) {
        String sheetName = m.getName();
        System.out.println("---"+sheetName); }
}

In the Class C, i need the name of the calling class to be printed . But for now it is printing the name of the calling method which is "methodone" of class B. But i need as "class B" to be printed. Can some one help. Thank you.

PDHide · Answer

Just to add to the above answer,
If you refer the documentation
https://testng.org/doc/documentation-main.html#parameters-dataproviders
If you declare your @DataProvider as taking a java.lang.reflect.Method as first parameter,

so whatever class methods supported for java.lang.reflect.Method class will be supported inside the data provider, you can see all the available methods at:
https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Method.html

Mohamed Sulaimaan Sheriff · Answer

This will help you
public class Dummy {
    @DataProvider(name="dp")
    public Object[][] getData(Method m) {
        //this will print respective class name
        System.out.println(m.getDeclaringClass());
        return new Object[][] {{"name"}};
    }
}

Will print the class name as shown in image below

You can get only the class name by applying the split feature over the extracted string
Using split function to get the class name
@DataProvider(name="dp")
    public Object[][] getData(Method m) {
        String classname=m.getDeclaringClass().toString().split(" ")[1];
        System.out.println(classname.split("\.")[classname.split("\.").length-1]);
        return new Object[][] {{"Testing is awesome"}};
    }

Using inbuilt function to get the class name
@DataProvider(name="dp")
    public Object[][] getData(Method m) {
        String classname=m.getDeclaringClass().getSimpleName();
        System.out.println(classname);
        return new Object[][] {{"Testing is awesome"}};
    }

Get class name of the calling class

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