Package javax.ws.rs.ext

Examples of javax.ws.rs.ext.ExceptionMapper

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      return null;
   }

   public void addExceptionMapper(Class<? extends ExceptionMapper> providerClass)
   {
      ExceptionMapper provider = getProviderInstance(providerClass);
      addExceptionMapper(provider);
   }
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    * @param exception
    * @return
    */
   public boolean executeExactExceptionMapper(HttpRequest request, HttpResponse response, Throwable exception)
   {
      ExceptionMapper mapper = providerFactory.getExceptionMapper(exception.getClass());
      if (mapper == null) return false;
      writeFailure(request, response, mapper.toResponse(exception));
      return true;
   }
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    * @param exception
    * @return true if an ExceptionMapper was found and executed
    */
   public boolean executeExceptionMapper(HttpRequest request, HttpResponse response, Throwable exception)
   {
      ExceptionMapper mapper = null;

      Class causeClass = exception.getClass();
      while (mapper == null)
      {
         if (causeClass == null) break;
         mapper = providerFactory.getExceptionMapper(causeClass);
         if (mapper == null) causeClass = causeClass.getSuperclass();
      }
      if (mapper != null)
      {
         writeFailure(request, response, mapper.toResponse(exception));
         return true;
      }
      return false;
   }
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    }
   
    @SuppressWarnings("unchecked")
    public static Response convertFaultToResponse(Throwable ex, Message inMessage) {
       
        ExceptionMapper mapper =
            ProviderFactory.getInstance(inMessage).createExceptionMapper(ex.getClass(), inMessage);
        if (mapper != null) {
            try {
                return mapper.toResponse(ex);
            } catch (Exception mapperEx) {
                mapperEx.printStackTrace();
                return Response.serverError().build();
            }
        }
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         catch (Exception e)
         {
            if (e instanceof WebApplicationException)
            {
               Response errorResponse = ((WebApplicationException)e).getResponse();
               ExceptionMapper excmap = context.getProviders().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 = context.getProviders().getExceptionMapper(causeClazz);
               while (causeClazz != null && excmap == null)
               {
                  excmap = context.getProviders().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());
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    }
   
    @SuppressWarnings("unchecked")
    public static Response convertFaultToResponse(Throwable ex, Message inMessage) {
       
        ExceptionMapper mapper =
            ProviderFactory.getInstance(inMessage).createExceptionMapper(ex.getClass(), inMessage);
        if (mapper != null) {
            try {
                return mapper.toResponse(ex);
            } catch (Exception mapperEx) {
                mapperEx.printStackTrace();
                return Response.serverError().build();
            }
        }
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    }
   
    @SuppressWarnings("unchecked")
    public static Response convertFaultToResponse(Throwable ex, Message inMessage) {
       
        ExceptionMapper mapper =
            ProviderFactory.getInstance(inMessage).createExceptionMapper(ex.getClass(), inMessage);
        if (mapper != null) {
            try {
                return mapper.toResponse(ex);
            } catch (Exception mapperEx) {
                mapperEx.printStackTrace();
                return Response.serverError().build();
            }
        }
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            }
         }
         catch (WebApplicationException e)
         {
            Response errorResponse = ((WebApplicationException)e).getResponse();
            ExceptionMapper excmap = context.getProviders().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);
         }
         catch (InternalException e)
         {
            Throwable cause = e.getCause();
            Class causeClazz = cause.getClass();
            ExceptionMapper excmap = context.getProviders().getExceptionMapper(causeClazz);
            while (causeClazz != null && excmap == null)
            {
               excmap = context.getProviders().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());
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    }
   
    @SuppressWarnings("unchecked")
    public static Response convertFaultToResponse(Throwable ex, Message inMessage) {
       
        ExceptionMapper mapper =
            ProviderFactory.getInstance(inMessage).createExceptionMapper(ex.getClass(), inMessage);
        if (mapper != null) {
            try {
                return mapper.toResponse(ex);
            } catch (Exception mapperEx) {
                mapperEx.printStackTrace();
                return Response.serverError().build();
            }
        }
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    }
   
    @SuppressWarnings("unchecked")
    public static Response convertFaultToResponse(Throwable ex, Message inMessage) {
       
        ExceptionMapper mapper =
            ProviderFactory.getInstance(inMessage).createExceptionMapper(ex.getClass(), inMessage);
        if (mapper != null) {
            try {
                return mapper.toResponse(ex);
            } catch (Exception mapperEx) {
                mapperEx.printStackTrace();
                return Response.serverError().build();
            }
        }
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