Java by API/org.apache.commons.lang.exception/ExceptionUtils
ExceptionUtils: getThrowableCount(Throwable thro)
<source lang="java">
import org.apache.rumons.lang.exception.ExceptionUtils; import org.apache.rumons.lang.exception.NestableException; public class ExceptionTrial {
public static void main(String[] args) { try { middleMeth(); } catch (Exception e) { System.out.println( "Number of Throwable objects in the exception chain is: " + ExceptionUtils.getThrowableCount(e)); e.printStackTrace(); } } public static void middleMeth() throws Exception { try { theRoot(); } catch (Exception e) { throw new ApplicationException("Packaged into Nestable", e); } } public static void theRoot() throws Exception { throw new Exception("The Root Exception"); }
} class ApplicationException extends NestableException {
public ApplicationException(String msg, Throwable cause) { super(msg, cause); }
}
</source>