src/main/java/org/onap/dmaap/dmf/mr/exception/DMaaPWebExceptionMapper.java

   1 /*******************************************************************************
   2  *  ============LICENSE_START=======================================================
   3  *  org.onap.dmaap
   4  *  ================================================================================
   5  *  Copyright © 2017 AT&T Intellectual Property. All rights reserved.
   6  *  ================================================================================
   7  *  Licensed under the Apache License, Version 2.0 (the "License");
   8  *  you may not use this file except in compliance with the License.
   9  *  You may obtain a copy of the License at
  10  *        http://www.apache.org/licenses/LICENSE-2.0
  11 *
  12  *  Unless required by applicable law or agreed to in writing, software
  13  *  distributed under the License is distributed on an "AS IS" BASIS,
  14  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  *  See the License for the specific language governing permissions and
  16  *  limitations under the License.
  17  *  ============LICENSE_END=========================================================
  18  *
  19  *  ECOMP is a trademark and service mark of AT&T Intellectual Property.
  20  *
  21  *******************************************************************************/
  22 package org.onap.dmaap.dmf.mr.exception;
  23
  24 import com.att.eelf.configuration.EELFLogger;
  25 import com.att.eelf.configuration.EELFManager;
  26 import org.apache.http.HttpStatus;
  27 import org.springframework.beans.factory.annotation.Autowired;
  28
  29 import javax.inject.Singleton;
  30 import javax.ws.rs.*;
  31 import javax.ws.rs.core.MediaType;
  32 import javax.ws.rs.core.Response;
  33 import javax.ws.rs.ext.ExceptionMapper;
  34 import javax.ws.rs.ext.Provider;
  35
  36 /**
  37  * Exception Mapper class to handle
  38  * Jersey Exceptions
  39  * @author rajashree.khare
  40  *
  41  */
  42 @Provider
  43 @Singleton
  44 public class DMaaPWebExceptionMapper implements ExceptionMapper<WebApplicationException>{
  45
  46
  47         private static final EELFLogger LOGGER = EELFManager.getInstance().getLogger(DMaaPWebExceptionMapper.class);
  48         private ErrorResponse errRes;
  49
  50         @Autowired
  51         private DMaaPErrorMessages msgs;
  52
  53         public DMaaPWebExceptionMapper() {
  54                 super();
  55                 LOGGER.info("WebException Mapper Created..");
  56         }
  57
  58         @Override
  59         public Response toResponse(WebApplicationException ex) {
  60
  61                 LOGGER.info("Reached WebException Mapper");
  62
  63                 /**
  64                  * Resource Not Found
  65                  */
  66                 if(ex instanceof NotFoundException)
  67                 {
  68                         errRes = new ErrorResponse(HttpStatus.SC_NOT_FOUND,DMaaPResponseCode.RESOURCE_NOT_FOUND.getResponseCode(),msgs.getNotFound());
  69
  70                         LOGGER.info(errRes.toString());
  71
  72                         return Response.status(errRes.getHttpStatusCode()).entity(errRes).type(MediaType.APPLICATION_JSON)
  73                             .build();
  74
  75                 }
  76
  77                 if(ex instanceof InternalServerErrorException)
  78                 {
  79                         errRes = new ErrorResponse(HttpStatus.SC_INTERNAL_SERVER_ERROR,DMaaPResponseCode.SERVER_UNAVAILABLE.getResponseCode(),msgs.getServerUnav());
  80
  81                         LOGGER.info(errRes.toString());
  82                         return Response.status(errRes.getHttpStatusCode()).entity(errRes).type(MediaType.APPLICATION_JSON)
  83                             .build();
  84
  85                 }
  86
  87                 if(ex instanceof NotAuthorizedException)
  88                 {
  89                         errRes = new ErrorResponse(HttpStatus.SC_UNAUTHORIZED,DMaaPResponseCode.ACCESS_NOT_PERMITTED.getResponseCode(),msgs.getAuthFailure());
  90
  91                         LOGGER.info(errRes.toString());
  92                         return Response.status(errRes.getHttpStatusCode()).entity(errRes).type(MediaType.APPLICATION_JSON)
  93                             .build();
  94                 }
  95
  96                 if(ex instanceof BadRequestException)
  97                 {
  98                         errRes = new ErrorResponse(HttpStatus.SC_BAD_REQUEST,DMaaPResponseCode.INCORRECT_JSON.getResponseCode(),msgs.getBadRequest());
  99
 100                         LOGGER.info(errRes.toString());
 101                         return Response.status(errRes.getHttpStatusCode()).entity(errRes).type(MediaType.APPLICATION_JSON)
 102                             .build();
 103                 }
 104                 if(ex instanceof NotAllowedException)
 105                 {
 106                         errRes = new ErrorResponse(HttpStatus.SC_METHOD_NOT_ALLOWED,DMaaPResponseCode.METHOD_NOT_ALLOWED.getResponseCode(),msgs.getMethodNotAllowed());
 107
 108                         LOGGER.info(errRes.toString());
 109                         return Response.status(errRes.getHttpStatusCode()).entity(errRes).type(MediaType.APPLICATION_JSON)
 110                             .build();
 111                 }
 112
 113                 if(ex instanceof ServiceUnavailableException)
 114                 {
 115                         errRes = new ErrorResponse(HttpStatus.SC_SERVICE_UNAVAILABLE,DMaaPResponseCode.SERVER_UNAVAILABLE.getResponseCode(),msgs.getServerUnav());
 116
 117                         LOGGER.info(errRes.toString());
 118                         return Response.status(errRes.getHttpStatusCode()).entity(errRes).type(MediaType.APPLICATION_JSON)
 119                             .build();
 120                 }
 121
 122
 123                 return Response.serverError().build();
 124         }
 125
 126
 127
 128
 129 }