core/src/main/webapp/syncopeClientError.jsp

<%@page isErrorPage="true" session="false" contentType="application/json" pageEncoding="UTF-8"%>
<%@page import="org.hibernate.exception.ConstraintViolationException"%>
<%@page import="javax.persistence.PersistenceException"%>
<%@page import="org.springframework.dao.DataIntegrityViolationException"%>
<%@page import="org.hibernate.exception.LockAcquisitionException"%>
<%@page import="org.syncope.core.rest.controller.InvalidSearchConditionException"%>
<%@page import="org.syncope.core.rest.controller.UnauthorizedRoleException"%>
<%@page import="org.syncope.core.persistence.dao.MissingConfKeyException"%>
<%@page import="org.syncope.client.validation.SyncopeClientException"%>
<%@page import="org.syncope.client.validation.SyncopeClientCompositeErrorException"%>
<%@page import="org.syncope.core.persistence.propagation.PropagationException"%>
<%@page import="com.opensymphony.workflow.WorkflowException"%>
<%@page import="org.syncope.types.SyncopeClientExceptionType"%>
<%@page import="org.syncope.client.validation.SyncopeClientErrorHandler"%>
<%@page import="javassist.NotFoundException"%>
<%@page import="org.slf4j.LoggerFactory"%>
<%@page import="org.slf4j.Logger"%>
<%@page import="org.syncope.core.rest.controller.AbstractController"%>

<%!    static final Logger LOG =
            LoggerFactory.getLogger(AbstractController.class);%>

<%
            Throwable ex = pageContext.getErrorData().getThrowable();

            LOG.error("Exception thrown by REST methods", ex);

            int statusCode = HttpServletResponse.SC_INTERNAL_SERVER_ERROR;

            if (ex instanceof NotFoundException) {
                response.setHeader(
                        SyncopeClientErrorHandler.EXCEPTION_TYPE_HEADER,
                        SyncopeClientExceptionType.NotFound.getHeaderValue());
                response.setHeader(
                        SyncopeClientExceptionType.NotFound.getElementHeaderName(),
                        ex.getMessage());

                statusCode = HttpServletResponse.SC_NOT_FOUND;
            } else if (ex instanceof WorkflowException) {
                response.setHeader(
                        SyncopeClientErrorHandler.EXCEPTION_TYPE_HEADER,
                        SyncopeClientExceptionType.Workflow.getHeaderValue());
                response.setHeader(
                        SyncopeClientExceptionType.Workflow.getElementHeaderName(),
                        ex.getMessage());

                statusCode = HttpServletResponse.SC_BAD_REQUEST;
            } else if (ex instanceof PropagationException) {
                response.setHeader(
                        SyncopeClientErrorHandler.EXCEPTION_TYPE_HEADER,
                        SyncopeClientExceptionType.Propagation.getHeaderValue());
                response.setHeader(
                        SyncopeClientExceptionType.Propagation.
                        getElementHeaderName(),
                        ((PropagationException) ex).getResourceName());

                statusCode = HttpServletResponse.SC_BAD_REQUEST;
            } else if (ex instanceof SyncopeClientCompositeErrorException) {
                for (SyncopeClientException sce :
                        ((SyncopeClientCompositeErrorException) ex).
                        getExceptions()) {

                    response.addHeader(
                            SyncopeClientErrorHandler.EXCEPTION_TYPE_HEADER,
                            sce.getType().getHeaderValue());

                    for (String attributeName : sce.getElements()) {
                        response.addHeader(
                                sce.getType().getElementHeaderName(),
                                attributeName);
                    }
                }

                statusCode = ((SyncopeClientCompositeErrorException) ex).
                        getStatusCode().value();
            } else if (ex instanceof MissingConfKeyException) {
                response.setHeader(
                        SyncopeClientErrorHandler.EXCEPTION_TYPE_HEADER,
                        SyncopeClientExceptionType.NotFound.getHeaderValue());
                response.setHeader(
                        SyncopeClientExceptionType.NotFound.getElementHeaderName(),
                        ((MissingConfKeyException) ex).getConfKey());

                statusCode = HttpServletResponse.SC_NOT_FOUND;
            } else if (ex instanceof InvalidSearchConditionException) {
                response.setHeader(
                        SyncopeClientErrorHandler.EXCEPTION_TYPE_HEADER,
                        SyncopeClientExceptionType.InvalidSearchCondition.
                        getHeaderValue());

                statusCode = HttpServletResponse.SC_BAD_REQUEST;
            } else if (ex instanceof UnauthorizedRoleException) {
                response.setHeader(
                        SyncopeClientErrorHandler.EXCEPTION_TYPE_HEADER,
                        SyncopeClientExceptionType.UnauthorizedRole.
                        getHeaderValue());
                for (Long roleId : ((UnauthorizedRoleException) ex).getRoleIds()) {
                    response.setHeader(
                            SyncopeClientExceptionType.UnauthorizedRole.
                            getElementHeaderName(), roleId.toString());
                }

                statusCode = HttpServletResponse.SC_UNAUTHORIZED;
            } else if (ex.getCause() instanceof LockAcquisitionException) {
                response.setHeader(
                        SyncopeClientErrorHandler.EXCEPTION_TYPE_HEADER,
                        SyncopeClientExceptionType.Deadlock.getHeaderValue());

                statusCode = HttpServletResponse.SC_BAD_REQUEST;
            } else if (ex instanceof DataIntegrityViolationException) {
                response.setHeader(
                        SyncopeClientErrorHandler.EXCEPTION_TYPE_HEADER,
                        SyncopeClientExceptionType.DuplicateUniqueValue.
                        getHeaderValue());

                statusCode = HttpServletResponse.SC_BAD_REQUEST;
            } else if (ex instanceof PersistenceException) {
                if (ex.getCause() instanceof ConstraintViolationException) {
                    response.setHeader(
                            SyncopeClientErrorHandler.EXCEPTION_TYPE_HEADER,
                            SyncopeClientExceptionType.DuplicateUniqueValue.
                            getHeaderValue());
                } else {
                    response.setHeader(
                            SyncopeClientErrorHandler.EXCEPTION_TYPE_HEADER,
                            SyncopeClientExceptionType.GenericPersistence.
                            getHeaderValue());
                    response.setHeader(
                            SyncopeClientExceptionType.GenericPersistence.
                            getElementHeaderName(),
                            ex.getCause().getClass().getName());
                }

                statusCode = HttpServletResponse.SC_BAD_REQUEST;
            }

            response.setStatus(statusCode);
%>
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