Examples of org.exoplatform.services.rest.RequestFilter

org.exoplatform.services.rest.RequestFilter
Process the original {@link GenericContainerRequest} before it dispatch by{@link ResourceDispatcher}. NOTE this method must be not called directly, it is part of REST framework, otherwise {@link ApplicationContext} may containswrong parameters. @author Andrey Parfonov @version $Id: $

         ApplicationContextImpl.setCurrent(context);


         for (ObjectFactory<FilterDescriptor> factory : ProviderBinder.getInstance().getRequestFilters(
            context.getPath()))
         {
            RequestFilter f = (RequestFilter)factory.getInstance(context);
            f.doFilter(request);
         }


         try
         {


            dispatcher.dispatch(request, response);
            if (response.getHttpHeaders().getFirst(ExtHttpHeaders.JAXRS_BODY_PROVIDED) == null)
            {
               String jaxrsHeader = getJaxrsHeader(response.getStatus());
               if (jaxrsHeader != null)
               {
                  response.getHttpHeaders().putSingle(ExtHttpHeaders.JAXRS_BODY_PROVIDED, jaxrsHeader);
               }
            }


         }
         catch (Exception e)
         {
            if (e instanceof WebApplicationException)
            {


               Response errorResponse = ((WebApplicationException)e).getResponse();
               ExceptionMapper excmap = ProviderBinder.getInstance().getExceptionMapper(WebApplicationException.class);


               int errorStatus = errorResponse.getStatus();
               // should be some of 4xx status
               if (errorStatus < 500)
               {
                  // Warn about error in debug mode only.
                  if (LOG.isDebugEnabled() && e.getCause() != null)
                  {
                     LOG.warn("WebApplication exception occurs.", e.getCause());
                  }
               }
               else
               {
                  if (e.getCause() != null)
                  {
                     LOG.warn("WebApplication exception occurs.", e.getCause());
                  }
               }
               // -----
               if (errorResponse.getEntity() == null)
               {
                  if (excmap != null)
                  {
                     errorResponse = excmap.toResponse(e);
                  }
                  else
                  {
                     if (e.getMessage() != null)
                     {
                        errorResponse = createErrorResponse(errorStatus, e.getMessage());
                     }
                  }
               }
               else
               {
                  if (errorResponse.getMetadata().getFirst(ExtHttpHeaders.JAXRS_BODY_PROVIDED) == null)
                  {
                     String jaxrsHeader = getJaxrsHeader(errorStatus);
                     if (jaxrsHeader != null)
                     {
                        errorResponse.getMetadata().putSingle(ExtHttpHeaders.JAXRS_BODY_PROVIDED, jaxrsHeader);
                     }
                  }
               }
               response.setResponse(errorResponse);
            }
            else if (e instanceof InternalException)
            {
               Throwable cause = e.getCause();
               Class causeClazz = cause.getClass();
               ExceptionMapper excmap = ProviderBinder.getInstance().getExceptionMapper(causeClazz);
               while (causeClazz != null && excmap == null)
               {
                  excmap = ProviderBinder.getInstance().getExceptionMapper(causeClazz);
                  if (excmap == null)
                     causeClazz = causeClazz.getSuperclass();
               }
               if (excmap != null)
               {
                  if (LOG.isDebugEnabled())
                  {
                     // Hide error message if exception mapper exists.
                     LOG.warn("Internal error occurs.", cause);
                  }
                  response.setResponse(excmap.toResponse(e.getCause()));
               }
               else
               {
                  LOG.error("Internal error occurs.", cause);
                  throw new UnhandledException(e.getCause());
               }
            }
            else
            {
               throw new UnhandledException(e);
            }
         }


         for (ObjectFactory<FilterDescriptor> factory : ProviderBinder.getInstance().getResponseFilters(
            context.getPath()))
         {
            ResponseFilter f = (ResponseFilter)factory.getInstance(context);
            f.doFilter(response);
         }


         response.writeResponse();


      }

View Full Code Here

         ApplicationContextImpl.setCurrent(context);


         for (ObjectFactory<FilterDescriptor> factory : ProviderBinder.getInstance().getRequestFilters(
            context.getPath()))
         {
            RequestFilter f = (RequestFilter)factory.getInstance(context);
            f.doFilter(request);
         }


         try
         {


            dispatcher.dispatch(request, response);


         }
         catch (Exception e)
         {
            if (e instanceof WebApplicationException)
            {


               Response errorResponse = ((WebApplicationException)e).getResponse();
               ExceptionMapper excmap = ProviderBinder.getInstance().getExceptionMapper(WebApplicationException.class);


               // should be some of 4xx status
               if (errorResponse.getStatus() < 500)
               {
                  if (LOG.isDebugEnabled() && e.getCause() != null)
                  {
                     LOG.warn("WedApplication exception occurs.", e.getCause());
                  }
                  if (errorResponse.getEntity() == null)
                  {
                     if (excmap != null)
                     {
                        errorResponse = excmap.toResponse(e);
                     }
                  }
                  response.setResponse(errorResponse);
               }
               else
               {


                  if (errorResponse.getEntity() == null)
                  {
                     if (excmap != null)
                     {
                        if (LOG.isDebugEnabled() && e.getCause() != null)
                        {
                           // Hide error message if exception mapper exists.
                           LOG.warn("WedApplication exception occurs.", e.getCause());
                        }


                        errorResponse = excmap.toResponse(e);
                     }
                     else
                     {
                        if (e.getCause() != null)
                        {
                           LOG.warn("WedApplication exception occurs.", e.getCause());
                        }


                        // add stack trace as message body
                        errorResponse =
                           Response.status(errorResponse.getStatus()).entity(new ErrorStreaming(e)).type(
                              MediaType.TEXT_PLAIN).build();
                     }
                  }
                  response.setResponse(errorResponse);
               }
            }
            else if (e instanceof InternalException)
            {
               Throwable cause = e.getCause();
               Class causeClazz = cause.getClass();
               ExceptionMapper excmap = ProviderBinder.getInstance().getExceptionMapper(causeClazz);
               while (causeClazz != null && excmap == null)
               {
                  excmap = ProviderBinder.getInstance().getExceptionMapper(causeClazz);
                  if (excmap == null)
                     causeClazz = causeClazz.getSuperclass();
               }
               if (excmap != null)
               {
                  if (LOG.isDebugEnabled())
                  {
                     // Hide error message if exception mapper exists.
                     LOG.warn("Internal error occurs.", cause);
                  }
                  response.setResponse(excmap.toResponse(e.getCause()));
               }
               else
               {
                  LOG.error("Internal error occurs.", cause);
                  throw new UnhandledException(e.getCause());
               }
            }
            else
            {
               throw new UnhandledException(e);
            }
         }


         for (ObjectFactory<FilterDescriptor> factory : ProviderBinder.getInstance().getResponseFilters(
            context.getPath()))
         {
            ResponseFilter f = (ResponseFilter)factory.getInstance(context);
            f.doFilter(response);
         }


         response.writeResponse();


      }

View Full Code Here

         ApplicationContextImpl.setCurrent(context);


         for (ObjectFactory<FilterDescriptor> factory : ProviderBinder.getInstance().getRequestFilters(
            context.getPath()))
         {
            RequestFilter f = (RequestFilter)factory.getInstance(context);
            f.doFilter(request);
         }


         try
         {


            dispatcher.dispatch(request, response);


         }
         catch (Exception e)
         {
            if (e instanceof WebApplicationException)
            {


               Response errorResponse = ((WebApplicationException)e).getResponse();
               ExceptionMapper excmap = ProviderBinder.getInstance().getExceptionMapper(WebApplicationException.class);


               // should be some of 4xx status
               if (errorResponse.getStatus() < 500)
               {
                  if (LOG.isDebugEnabled() && e.getCause() != null)
                  {
                     LOG.warn("WebApplication exception occurs.", e.getCause());
                  }
                  if (errorResponse.getEntity() == null)
                  {
                     if (excmap != null)
                     {
                        errorResponse = excmap.toResponse(e);
                     }
                  }
                  
                  if (e.getMessage() != null)
                     errorResponse =
                        Response.status(errorResponse.getStatus()).entity(new String(e.getMessage())).type(
                           MediaType.TEXT_PLAIN).header("JAXRS-Message-Provided", "true").build();
                  
                  response.setResponse(errorResponse);
               }
               else
               {


                  if (errorResponse.getEntity() == null)
                  {
                     if (excmap != null)
                     {
                        if (LOG.isDebugEnabled() && e.getCause() != null)
                        {
                           // Hide error message if exception mapper exists.
                           LOG.warn("WebApplication exception occurs.", e.getCause());
                        }


                        errorResponse = excmap.toResponse(e);
                     }
                     else
                     {
                        if (e.getCause() != null)
                        {
                           LOG.warn("WebApplication exception occurs.", e.getCause());
                        }


                        // print stack trace & adding ex message into body
                        if (LOG.isDebugEnabled())
                        {
                           e.printStackTrace();
                        }
                        if (e.getMessage() != null)
                           errorResponse =
                              Response.status(errorResponse.getStatus()).entity(new String(e.getMessage())).type(
                                 MediaType.TEXT_PLAIN).header("JAXRS-Message-Provided", "true").build();
                        else
                           errorResponse =  Response.status(errorResponse.getStatus()).header("JAXRS-Message-Provided", "false").build();
                     }
                  }
                  response.setResponse(errorResponse);
               }
            }
            else if (e instanceof InternalException)
            {
               Throwable cause = e.getCause();
               Class causeClazz = cause.getClass();
               ExceptionMapper excmap = ProviderBinder.getInstance().getExceptionMapper(causeClazz);
               while (causeClazz != null && excmap == null)
               {
                  excmap = ProviderBinder.getInstance().getExceptionMapper(causeClazz);
                  if (excmap == null)
                     causeClazz = causeClazz.getSuperclass();
               }
               if (excmap != null)
               {
                  if (LOG.isDebugEnabled())
                  {
                     // Hide error message if exception mapper exists.
                     LOG.warn("Internal error occurs.", cause);
                  }
                  response.setResponse(excmap.toResponse(e.getCause()));
               }
               else
               {
                  LOG.error("Internal error occurs.", cause);
                  throw new UnhandledException(e.getCause());
               }
            }
            else
            {
               throw new UnhandledException(e);
            }
         }


         for (ObjectFactory<FilterDescriptor> factory : ProviderBinder.getInstance().getResponseFilters(
            context.getPath()))
         {
            ResponseFilter f = (ResponseFilter)factory.getInstance(context);
            f.doFilter(response);
         }


         response.writeResponse();


      }

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Related Classes of org.exoplatform.services.rest.RequestFilter

org.exoplatform.services.rest.impl.RequestDispatcher

org.exoplatform.services.rest.impl.RequestHandlerImpl

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