Example usage for javax.persistence OptimisticLockException getEntity

Introduction

In this page you can find the example usage for javax.persistence OptimisticLockException getEntity.

Prototype

public Object getEntity() 

Source Link

Document

Returns the entity that caused this exception.

Usage

From source file:org.kuali.rice.kns.web.struts.action.KualiRequestProcessor.java

/**
 * Adds more detailed logging for unhandled exceptions
 * /*  w  w  w .j  ava 2  s .co  m*/
 * @see org.apache.struts.action.RequestProcessor#processException(HttpServletRequest,
 *      HttpServletResponse, Exception, ActionForm, ActionMapping)
 */
@Override
protected ActionForward processException(HttpServletRequest request, HttpServletResponse response,
        Exception exception, ActionForm form, ActionMapping mapping) throws IOException, ServletException {
    ActionForward actionForward = null;

    try {
        actionForward = super.processException(request, response, exception, form, mapping);
    } catch (IOException e) {
        logException(e);
        throw e;
    } catch (ServletException e) {
        // special case, to make OptimisticLockExceptions easier to read
        Throwable rootCause = e.getRootCause();
        if (rootCause instanceof OjbOperationException) {
            OjbOperationException ooe = (OjbOperationException) rootCause;

            Throwable subcause = ooe.getCause();
            if (subcause != null) {
                Object sourceObject = null;
                boolean optLockException = false;
                if (subcause instanceof javax.persistence.OptimisticLockException) {
                    javax.persistence.OptimisticLockException ole = (javax.persistence.OptimisticLockException) subcause;
                    sourceObject = ole.getEntity();
                    optLockException = true;
                } else if (subcause instanceof OptimisticLockingFailureException) {
                    OptimisticLockingFailureException ole = (OptimisticLockingFailureException) subcause;
                    sourceObject = ole.getMessage();
                    optLockException = true;
                } else {
                    if (subcause.getClass().getName().equals("org.apache.ojb.broker.OptimisticLockException")) {
                        try {
                            sourceObject = PropertyUtils.getSimpleProperty(subcause, "sourceObject");
                        } catch (Exception ex) {
                            LOG.warn("Unable to retrieve source object from OJB OptimisticLockException", ex);
                        }
                        optLockException = true;
                    }
                }
                if (optLockException) {
                    StringBuilder message = new StringBuilder(e.getMessage());

                    if (sourceObject != null) {
                        if (sourceObject instanceof String) {
                            message.append(" Embedded Message: ").append(sourceObject);
                        } else {
                            message.append(" (sourceObject is ");
                            message.append(sourceObject.getClass().getName());
                            message.append(")");
                        }
                    }

                    e = new ServletException(message.toString(), rootCause);
                }
            }
        }

        logException(e);
        throw e;
    }
    return actionForward;
}

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