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 javax.inject.Singleton;
  25 import javax.ws.rs.BadRequestException;
  26 import javax.ws.rs.InternalServerErrorException;
  27 import javax.ws.rs.NotAllowedException;
  28 import javax.ws.rs.NotAuthorizedException;
  29 import javax.ws.rs.NotFoundException;
  30 import javax.ws.rs.ServiceUnavailableException;
  31 import javax.ws.rs.WebApplicationException;
  32 import javax.ws.rs.core.MediaType;
  33 import javax.ws.rs.core.Response;
  34 import javax.ws.rs.ext.ExceptionMapper;
  35 import javax.ws.rs.ext.Provider;
  36
  37 import org.apache.http.HttpStatus;
  38
  39 import org.springframework.beans.factory.annotation.Autowired;
  40
  41 import com.att.eelf.configuration.EELFLogger;
  42 import com.att.eelf.configuration.EELFManager;
  43
  44 /**
  45  * Exception Mapper class to handle
  46  * Jersey Exceptions
  47  * @author rajashree.khare
  48  *
  49  */
  50 @Provider
  51 @Singleton
  52 public class DMaaPWebExceptionMapper implements ExceptionMapper<WebApplicationException>{
  53
  54
  55         private static final EELFLogger LOGGER = EELFManager.getInstance().getLogger(DMaaPWebExceptionMapper.class);
  56         private ErrorResponse errRes;
  57
  58         @Autowired
  59         private DMaaPErrorMessages msgs;
  60
  61         public DMaaPWebExceptionMapper() {
  62                 super();
  63                 LOGGER.info("WebException Mapper Created..");
  64         }
  65
  66         @Override
  67         public Response toResponse(WebApplicationException ex) {
  68
  69                 LOGGER.info("Reached WebException Mapper");
  70
  71                 /**
  72                  * Resource Not Found
  73                  */
  74                 if(ex instanceof NotFoundException)
  75                 {
  76                         errRes = new ErrorResponse(HttpStatus.SC_NOT_FOUND,DMaaPResponseCode.RESOURCE_NOT_FOUND.getResponseCode(),msgs.getNotFound());
  77
  78                         LOGGER.info(errRes.toString());
  79
  80                         return Response.status(errRes.getHttpStatusCode()).entity(errRes).type(MediaType.APPLICATION_JSON)
  81                             .build();
  82
  83                 }
  84
  85                 if(ex instanceof InternalServerErrorException)
  86                 {
  87                         errRes = new ErrorResponse(HttpStatus.SC_INTERNAL_SERVER_ERROR,DMaaPResponseCode.SERVER_UNAVAILABLE.getResponseCode(),msgs.getServerUnav());
  88
  89                         LOGGER.info(errRes.toString());
  90                         return Response.status(errRes.getHttpStatusCode()).entity(errRes).type(MediaType.APPLICATION_JSON)
  91                             .build();
  92
  93                 }
  94
  95                 if(ex instanceof NotAuthorizedException)
  96                 {
  97                         errRes = new ErrorResponse(HttpStatus.SC_UNAUTHORIZED,DMaaPResponseCode.ACCESS_NOT_PERMITTED.getResponseCode(),msgs.getAuthFailure());
  98
  99                         LOGGER.info(errRes.toString());
 100                         return Response.status(errRes.getHttpStatusCode()).entity(errRes).type(MediaType.APPLICATION_JSON)
 101                             .build();
 102                 }
 103
 104                 if(ex instanceof BadRequestException)
 105                 {
 106                         errRes = new ErrorResponse(HttpStatus.SC_BAD_REQUEST,DMaaPResponseCode.INCORRECT_JSON.getResponseCode(),msgs.getBadRequest());
 107
 108                         LOGGER.info(errRes.toString());
 109                         return Response.status(errRes.getHttpStatusCode()).entity(errRes).type(MediaType.APPLICATION_JSON)
 110                             .build();
 111                 }
 112                 if(ex instanceof NotAllowedException)
 113                 {
 114                         errRes = new ErrorResponse(HttpStatus.SC_METHOD_NOT_ALLOWED,DMaaPResponseCode.METHOD_NOT_ALLOWED.getResponseCode(),msgs.getMethodNotAllowed());
 115
 116                         LOGGER.info(errRes.toString());
 117                         return Response.status(errRes.getHttpStatusCode()).entity(errRes).type(MediaType.APPLICATION_JSON)
 118                             .build();
 119                 }
 120
 121                 if(ex instanceof ServiceUnavailableException)
 122                 {
 123                         errRes = new ErrorResponse(HttpStatus.SC_SERVICE_UNAVAILABLE,DMaaPResponseCode.SERVER_UNAVAILABLE.getResponseCode(),msgs.getServerUnav());
 124
 125                         LOGGER.info(errRes.toString());
 126                         return Response.status(errRes.getHttpStatusCode()).entity(errRes).type(MediaType.APPLICATION_JSON)
 127                             .build();
 128                 }
 129
 130
 131                 return Response.serverError().build();
 132         }
 133
 134
 135
 136
 137 }