gerrit.onap Code Review - so.git/blob

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP - SO
   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.onap.so.bpmn.common.workflow.service;
  22
  23 import java.util.HashMap;
  24 import java.util.Map;
  25
  26 import javax.ws.rs.Consumes;
  27 import javax.ws.rs.HeaderParam;
  28 import javax.ws.rs.POST;
  29 import javax.ws.rs.Path;
  30 import javax.ws.rs.PathParam;
  31 import javax.ws.rs.Produces;
  32 import javax.ws.rs.core.MediaType;
  33 import javax.ws.rs.core.Response;
  34
  35 import org.onap.so.bpmn.common.workflow.service.CallbackHandlerService.CallbackError;
  36 import org.onap.so.bpmn.common.workflow.service.CallbackHandlerService.CallbackResult;
  37 import org.onap.so.logger.MessageEnum;
  38 import org.onap.so.logger.MsoLogger;
  39 import org.springframework.beans.factory.annotation.Autowired;
  40 import org.springframework.stereotype.Component;
  41
  42 import io.swagger.annotations.Api;
  43 import io.swagger.annotations.ApiOperation;
  44
  45 /**
  46  * Generalized REST interface that injects a message event into a waiting BPMN process.
  47  * Examples:
  48  * <pre>
  49  *     /WorkflowMessage/SDNCAResponse/6d10d075-100c-42d0-9d84-a52432681cae-1478486185286
  50  *     /WorkflowMessage/SDNCAEvent/USOSTCDALTX0101UJZZ01
  51  * </pre>
  52  */
  53 @Path("/")
  54 @Api(description = "Provides a generic service to inject messages into a waiting BPMN Proccess")
  55 @Component
  56 public class WorkflowMessageResource{
  57         private static final MsoLogger LOGGER = MsoLogger.getMsoLogger(MsoLogger.Catalog.BPEL, WorkflowMessageResource.class);
  58         private static final String LOGMARKER = "[WORKFLOW-MESSAGE]";
  59
  60         @Autowired
  61         CallbackHandlerService callback;
  62
  63         @POST
  64         @Path("/WorkflowMessage/{messageType}/{correlator}")
  65         @ApiOperation(
  66                 value = "Workflow message correlator",
  67                 notes = ""
  68             )
  69         @Consumes("*/*")
  70         @Produces(MediaType.TEXT_PLAIN)
  71         public Response deliver(
  72                         @HeaderParam("Content-Type") String contentType,
  73                         @PathParam("messageType") String messageType,
  74                         @PathParam("correlator") String correlator,
  75                         String message) {
  76
  77                 String method = "receiveWorkflowMessage";
  78                 MsoLogger.setServiceName("MSO." + method);
  79                 MsoLogger.setLogContext(correlator, "N/A");
  80
  81                 LOGGER.debug(LOGMARKER + " Received workflow message"
  82                         + " type='" + messageType + "'"
  83                         + " correlator='" + correlator + "'"
  84                         + (contentType == null ? "" : " contentType='" + contentType + "'")
  85                         + " message=" + System.lineSeparator() + message);
  86
  87                 if (messageType == null || messageType.isEmpty()) {
  88                         String msg = "Missing message type";
  89                         LOGGER.debug(LOGMARKER + " " + msg);
  90                         LOGGER.error(MessageEnum.BPMN_GENERAL_EXCEPTION, "BPMN", MsoLogger.getServiceName(),
  91                                 MsoLogger.ErrorCode.DataError, LOGMARKER + ":" + msg);
  92                         return Response.status(400).entity(msg).build();
  93                 }
  94
  95                 if (correlator == null || correlator.isEmpty()) {
  96                         String msg = "Missing correlator";
  97                         LOGGER.debug(LOGMARKER + " " + msg);
  98                         LOGGER.error(MessageEnum.BPMN_GENERAL_EXCEPTION, "BPMN", MsoLogger.getServiceName(),
  99                                 MsoLogger.ErrorCode.DataError, LOGMARKER + ":" + msg);
 100                         return Response.status(400).entity(msg).build();
 101                 }
 102
 103                 String messageEventName = "WorkflowMessage";
 104                 String messageVariable = messageType + "_MESSAGE";
 105                 String correlationVariable = messageType + "_CORRELATOR";
 106                 String correlationValue = correlator;
 107                 String contentTypeVariable = messageType + "_CONTENT_TYPE";
 108
 109                 Map<String, Object> variables = new HashMap<>();
 110
 111                 if (contentType != null) {
 112                         variables.put(contentTypeVariable, contentType);
 113                 }
 114
 115                 CallbackResult result = callback.handleCallback(method, message, messageEventName,
 116                         messageVariable, correlationVariable, correlationValue, LOGMARKER, variables);
 117
 118                 if (result instanceof CallbackError) {
 119                         return Response.status(500).entity(((CallbackError)result).getErrorMessage()).build();
 120                 } else {
 121                         return Response.status(204).build();
 122                 }
 123         }
 124 }