mso-api-handlers/mso-api-handler-common/src/main/java/org/openecomp/mso/apihandler/common/ResponseHandler.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * OPENECOMP - MSO
   4  * ================================================================================
   5  * Copyright (C) 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  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END=========================================================
  19  */
  20
  21 package org.openecomp.mso.apihandler.common;
  22
  23
  24 import java.io.IOException;
  25
  26 import org.apache.http.HttpEntity;
  27 import org.apache.http.HttpResponse;
  28 import org.apache.http.HttpStatus;
  29 import org.apache.http.util.EntityUtils;
  30 import org.codehaus.jackson.map.ObjectMapper;
  31
  32 import org.openecomp.mso.apihandler.camundabeans.CamundaResponse;
  33 import org.openecomp.mso.logger.MsoLogger;
  34 import org.openecomp.mso.logger.MessageEnum;
  35
  36 public class ResponseHandler {
  37
  38         private CamundaResponse response;
  39         private int status;
  40         private String responseBody="";
  41         private HttpResponse httpResponse;
  42         private int type;
  43         private static MsoLogger msoLogger = MsoLogger.getMsoLogger(MsoLogger.Catalog.APIH);
  44
  45         public ResponseHandler(HttpResponse httpResponse, int type) {
  46                 this.httpResponse = httpResponse;
  47                 this.type=type;
  48                 parseResponse();
  49         }
  50
  51
  52         private void parseResponse() {
  53                 int statusCode = httpResponse.getStatusLine().getStatusCode();
  54                 msoLogger.debug("Returned status  is: " + statusCode);
  55                 status = setStatus(statusCode);
  56                 msoLogger.debug("Parsed status  is: " + status);
  57                 if(type==CommonConstants.CAMUNDA){
  58                         parseCamunda();
  59                 }else{
  60                         parseBpel();
  61                 }
  62
  63         }
  64
  65
  66
  67         private void parseCamunda(){
  68                 try{
  69                                 HttpEntity entity = httpResponse.getEntity();
  70                                 responseBody = EntityUtils.toString(entity);
  71                         } catch (IOException e) {
  72                                 msoLogger.debug("IOException getting Camunda response body", e);
  73                         }
  74
  75                         ObjectMapper mapper = new ObjectMapper();
  76                         try {
  77                                 response = mapper.readValue(responseBody, CamundaResponse.class);
  78                         } catch (IOException e) {
  79                                 msoLogger.debug("IOException getting Camunda response body", e);
  80                         }
  81                         msoLogger.debug("json response is: " + responseBody);
  82                         if(response!=null){
  83                                 responseBody = response.getResponse();
  84                         }
  85                         msoLogger.debug("response body is: " + responseBody);
  86
  87
  88                 if(status!=HttpStatus.SC_ACCEPTED){
  89                         msoLogger.error(MessageEnum.APIH_ERROR_FROM_BPEL_SERVER, "Camunda", String.valueOf(status), responseBody, "Camunda", "parseCamunda", MsoLogger.ErrorCode.BusinessProcesssError, "Error in APIH from Camunda");
  90                 }
  91         }
  92
  93         private void parseBpel(){
  94
  95                 HttpEntity bpelEntity = httpResponse.getEntity();
  96
  97                 try {
  98                         if (bpelEntity!=null) {
  99                                 responseBody = EntityUtils.toString(bpelEntity);
 100                                 msoLogger.debug("response body is: " + responseBody);
 101
 102                         }
 103                         if(status!=HttpStatus.SC_ACCEPTED){
 104                                 msoLogger.error(MessageEnum.APIH_ERROR_FROM_BPEL_SERVER, "BPEL", String.valueOf(status), responseBody, "BPEL", "parseBpel", MsoLogger.ErrorCode.BusinessProcesssError, "Error in APIH from BPEL");
 105                         }
 106                 }
 107                 catch (IOException e) {
 108                         msoLogger.debug("IOException getting BPEL response body", e);
 109                 }
 110         }
 111
 112
 113
 114
 115         private int setStatus(int statusCode){
 116                 int status = 0;
 117                 switch(statusCode) {
 118                 case HttpStatus.SC_ACCEPTED:
 119                 case HttpStatus.SC_OK:
 120                         status = HttpStatus.SC_ACCEPTED;
 121                         break;
 122                 case HttpStatus.SC_BAD_REQUEST:
 123                         status = HttpStatus.SC_BAD_REQUEST;
 124                         break;
 125                 case HttpStatus.SC_UNAUTHORIZED:
 126                 case HttpStatus.SC_FORBIDDEN:
 127                         status = HttpStatus.SC_INTERNAL_SERVER_ERROR;
 128                         break;
 129                 case HttpStatus.SC_NOT_FOUND:
 130                         status = HttpStatus.SC_NOT_IMPLEMENTED;
 131                         break;
 132                 case HttpStatus.SC_INTERNAL_SERVER_ERROR:
 133                         status = HttpStatus.SC_BAD_GATEWAY;
 134                         break;
 135                 case HttpStatus.SC_SERVICE_UNAVAILABLE:
 136                         status = HttpStatus.SC_SERVICE_UNAVAILABLE;
 137                         break;
 138                 default:
 139                         status = HttpStatus.SC_INTERNAL_SERVER_ERROR;
 140                         break;
 141                 }
 142                 return status;
 143         }
 144
 145
 146         public CamundaResponse getResponse() {
 147                 return response;
 148         }
 149
 150
 151         public void setResponse(CamundaResponse response) {
 152                 this.response = response;
 153         }
 154
 155
 156         public String getResponseBody() {
 157                 return responseBody;
 158         }
 159
 160
 161         public void setResponseBody(String responseBody) {
 162                 this.responseBody = responseBody;
 163         }
 164
 165
 166         public int getStatus() {
 167                 return status;
 168         }
 169
 170
 171
 172
 173 }