import sun.misc.ThrowableTraceListener;


public class ThrowableTracer implements ThrowableTraceListener {
    
    int exceptions = 0;
    int errors = 0;
    
    public static void enable(ThrowableTracer t) {
        sun.misc.ThrowableTrace.setListener(t);
    }

    @Override
    public void traceThrowable(Throwable t) {
        synchronized (this) {
            if (t instanceof Error) {
                errors++;
            } else {
                exceptions++;
            }
        }
    }

    public int getExceptions() {
        return exceptions;
    }

    public int getErrors() {
        return errors;
    }
}