bpmn/MSOCommonBPMN/src/main/java/org/openecomp/mso/bpmn/common/workflow/service/WorkflowMessageResource.java

   1 /*-\r
   2  * ============LICENSE_START=======================================================\r
   3  * ONAP - SO\r
   4  * ================================================================================\r
   5  * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.\r
   6  * ================================================================================\r
   7  * Licensed under the Apache License, Version 2.0 (the "License");\r
   8  * you may not use this file except in compliance with the License.\r
   9  * You may obtain a copy of the License at\r
  10  *\r
  11  *      http://www.apache.org/licenses/LICENSE-2.0\r
  12  *\r
  13  * Unless required by applicable law or agreed to in writing, software\r
  14  * distributed under the License is distributed on an "AS IS" BASIS,\r
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
  16  * See the License for the specific language governing permissions and\r
  17  * limitations under the License.\r
  18  * ============LICENSE_END=========================================================\r
  19  */\r
  20 \r
  21 package org.openecomp.mso.bpmn.common.workflow.service;\r
  22 \r
  23 import java.util.HashMap;\r
  24 import java.util.Map;\r
  25 \r
  26 import javax.ws.rs.Consumes;\r
  27 import javax.ws.rs.HeaderParam;\r
  28 import javax.ws.rs.POST;\r
  29 import javax.ws.rs.Path;\r
  30 import javax.ws.rs.PathParam;\r
  31 import javax.ws.rs.Produces;\r
  32 import javax.ws.rs.core.MediaType;\r
  33 import javax.ws.rs.core.Response;\r
  34 \r
  35 import org.openecomp.mso.logger.MessageEnum;\r
  36 import org.openecomp.mso.logger.MsoLogger;\r
  37 \r
  38 /**\r
  39  * Generalized REST interface that injects a message event into a waiting BPMN process.\r
  40  * Examples:\r
  41  * <pre>\r
  42  *     /WorkflowMessage/SDNCAResponse/6d10d075-100c-42d0-9d84-a52432681cae-1478486185286\r
  43  *     /WorkflowMessage/SDNCAEvent/USOSTCDALTX0101UJZZ01\r
  44  * </pre>\r
  45  */\r
  46 @Path("/")\r
  47 public class WorkflowMessageResource extends AbstractCallbackService {\r
  48         private static final MsoLogger LOGGER = MsoLogger.getMsoLogger(MsoLogger.Catalog.BPEL);\r
  49         private static final String LOGMARKER = "[WORKFLOW-MESSAGE]";\r
  50         \r
  51         @POST\r
  52         @Path("/WorkflowMessage/{messageType}/{correlator}")\r
  53         @Consumes("*/*")\r
  54         @Produces(MediaType.TEXT_PLAIN)\r
  55         public Response deliver(\r
  56                         @HeaderParam("Content-Type") String contentType,\r
  57                         @PathParam("messageType") String messageType,\r
  58                         @PathParam("correlator") String correlator,\r
  59                         String message) {\r
  60 \r
  61                 String method = "receiveWorkflowMessage";\r
  62                 MsoLogger.setServiceName("MSO." + method);\r
  63                 MsoLogger.setLogContext(correlator, "N/A");\r
  64 \r
  65                 LOGGER.debug(LOGMARKER + " Received workflow message"\r
  66                         + " type='" + messageType + "'"\r
  67                         + " correlator='" + correlator + "'"\r
  68                         + (contentType == null ? "" : " contentType='" + contentType + "'")\r
  69                         + " message=" + System.lineSeparator() + message);\r
  70 \r
  71                 if (messageType == null || messageType.isEmpty()) {\r
  72                         String msg = "Missing message type";\r
  73                         LOGGER.debug(LOGMARKER + " " + msg);\r
  74                         LOGGER.error(MessageEnum.BPMN_GENERAL_EXCEPTION, "BPMN", MsoLogger.getServiceName(),\r
  75                                 MsoLogger.ErrorCode.DataError, LOGMARKER + ":" + msg);\r
  76                         return Response.status(400).entity(msg).build();\r
  77                 }\r
  78 \r
  79                 if (correlator == null || correlator.isEmpty()) {\r
  80                         String msg = "Missing correlator";\r
  81                         LOGGER.debug(LOGMARKER + " " + msg);\r
  82                         LOGGER.error(MessageEnum.BPMN_GENERAL_EXCEPTION, "BPMN", MsoLogger.getServiceName(),\r
  83                                 MsoLogger.ErrorCode.DataError, LOGMARKER + ":" + msg);\r
  84                         return Response.status(400).entity(msg).build();\r
  85                 }\r
  86 \r
  87                 String messageEventName = "WorkflowMessage";\r
  88                 String messageVariable = messageType + "_MESSAGE";\r
  89                 String correlationVariable = messageType + "_CORRELATOR";\r
  90                 String correlationValue = correlator;\r
  91                 String contentTypeVariable = messageType + "_CONTENT_TYPE";\r
  92 \r
  93                 Map<String, Object> variables = new HashMap<String, Object>();\r
  94 \r
  95                 if (contentType != null) {\r
  96                         variables.put(contentTypeVariable, contentType);\r
  97                 }\r
  98 \r
  99                 CallbackResult result = handleCallback(method, message, messageEventName,\r
 100                         messageVariable, correlationVariable, correlationValue, LOGMARKER, variables);\r
 101 \r
 102                 if (result instanceof CallbackError) {\r
 103                         return Response.status(500).entity(((CallbackError)result).getErrorMessage()).build();\r
 104                 } else {\r
 105                         return Response.status(204).build();\r
 106                 }\r
 107         }\r
 108 }