Java tutorial
// license-header java merge-point // // Attention: Generated code! Do not modify by hand!! // Generated by: DaoDefaultException.vsl in andromda-java-cartridge. // package org.andromda.howto2.rental; import org.apache.commons.beanutils.PropertyUtils; /** * */ public class PersonDaoException extends Exception { private static final long serialVersionUID = 1880853378843554448L; /** * The default constructor. */ public PersonDaoException() { } /** * Constructs a new instance of PersonDaoException * * @param throwable the parent Throwable */ public PersonDaoException(Throwable throwable) { super(findRootCause(throwable)); } /** * Constructs a new instance of PersonDaoException * * @param message the throwable message. */ public PersonDaoException(String message) { super(message); } /** * Constructs a new instance of PersonDaoException * * @param message the throwable message. * @param throwable the parent of this Throwable. */ public PersonDaoException(String message, Throwable throwable) { super(message, findRootCause(throwable)); } /** * Finds the root cause of the parent exception * by traveling up the exception tree */ private static Throwable findRootCause(Throwable th) { if (th != null) { // Lets reflectively get any JMX or EJB exception causes. try { Throwable targetException = null; // java.lang.reflect.InvocationTargetException // or javax.management.ReflectionException String exceptionProperty = "targetException"; if (PropertyUtils.isReadable(th, exceptionProperty)) { targetException = (Throwable) PropertyUtils.getProperty(th, exceptionProperty); } else { exceptionProperty = "causedByException"; //javax.ejb.EJBException if (PropertyUtils.isReadable(th, exceptionProperty)) { targetException = (Throwable) PropertyUtils.getProperty(th, exceptionProperty); } } if (targetException != null) { th = targetException; } } catch (Exception ex) { // just print the exception and continue ex.printStackTrace(); } if (th.getCause() != null) { th = th.getCause(); th = findRootCause(th); } } return th; } }