Throwable2

Throwable2.java

public class Throwable2 extends Throwable {

	public Throwable2() {
	}

	public List<StackTraceElement> stacks(int req) {
		List<StackTraceElement> stacks = new ArrayList<>();

		try {
			Method getStackTraceDepth = Throwable.class.getDeclaredMethod("getStackTraceDepth");
			getStackTraceDepth.setAccessible(true);

			Method getStackTraceElement = Throwable.class.getDeclaredMethod("getStackTraceElement", int.class);
			getStackTraceElement.setAccessible(true);

			int depth = (int) getStackTraceDepth.invoke(this);

			int reqMax = Math.min(req, depth);
			for (int i = 0; i <reqMax; i++) {
				stacks.add((StackTraceElement) getStackTraceElement.invoke(this, i));
			}

		} catch (Exception e) {
			e.printStackTrace();
		}

		return stacks;
	}
}