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/*-
* ============LICENSE_START=======================================================
* ONAP - SO
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Modifications Copyright (c) 2019 Samsung
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*/
package org.onap.so.bpmn.common.workflow.service;
import java.util.HashMap;
import java.util.Map;
import javax.ws.rs.Consumes;
import javax.ws.rs.HeaderParam;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import org.onap.so.logger.LoggingAnchor;
import org.onap.so.bpmn.common.workflow.service.CallbackHandlerService.CallbackError;
import org.onap.so.bpmn.common.workflow.service.CallbackHandlerService.CallbackResult;
import org.onap.so.logger.ErrorCode;
import org.onap.so.logger.MessageEnum;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
/**
* Generalized REST interface that injects a message event into a waiting BPMN process. Examples:
*
* <pre>
* /WorkflowMessage/SDNCAResponse/6d10d075-100c-42d0-9d84-a52432681cae-1478486185286
* /WorkflowMessage/SDNCAEvent/USOSTCDALTX0101UJZZ01
* </pre>
*/
@Path("/")
@Api(description = "Provides a generic service to inject messages into a waiting BPMN Proccess")
@Component
public class WorkflowMessageResource {
private static final Logger logger = LoggerFactory.getLogger(WorkflowMessageResource.class);
private static final String LOGMARKER = "[WORKFLOW-MESSAGE]";
@Autowired
CallbackHandlerService callback;
@POST
@Path("/WorkflowMessage/{messageType}/{correlator}")
@ApiOperation(value = "Workflow message correlator", notes = "")
@Consumes("*/*")
@Produces(MediaType.TEXT_PLAIN)
public Response deliver(@HeaderParam("Content-Type") String contentType,
@PathParam("messageType") String messageType, @PathParam("correlator") String correlator, String message) {
String method = "receiveWorkflowMessage";
logger.debug(LOGMARKER + " Received workflow message" + " type='" + messageType + "'" + " correlator='"
+ correlator + "'" + (contentType == null ? "" : " contentType='" + contentType + "'") + " message="
+ System.lineSeparator() + message);
if (messageType == null || messageType.isEmpty()) {
String msg = "Missing message type";
logger.debug(LOGMARKER + " " + msg);
logger.error(LoggingAnchor.FOUR, MessageEnum.BPMN_GENERAL_EXCEPTION.toString(), "BPMN",
ErrorCode.DataError.getValue(), LOGMARKER + ":" + msg);
return Response.status(400).entity(msg).build();
}
if (correlator == null || correlator.isEmpty()) {
String msg = "Missing correlator";
logger.debug(LOGMARKER + " " + msg);
logger.error(LoggingAnchor.FOUR, MessageEnum.BPMN_GENERAL_EXCEPTION.toString(), "BPMN",
ErrorCode.DataError.getValue(), LOGMARKER + ":" + msg);
return Response.status(400).entity(msg).build();
}
String messageEventName = "WorkflowMessage";
String messageVariable = messageType + "_MESSAGE";
String correlationVariable = messageType + "_CORRELATOR";
String correlationValue = correlator;
String contentTypeVariable = messageType + "_CONTENT_TYPE";
Map<String, Object> variables = new HashMap<>();
if (contentType != null) {
variables.put(contentTypeVariable, contentType);
}
CallbackResult result = callback.handleCallback(method, message, messageEventName, messageVariable,
correlationVariable, correlationValue, LOGMARKER, variables);
if (result instanceof CallbackError) {
return Response.status(500).entity(((CallbackError) result).getErrorMessage()).build();
} else {
return Response.status(204).build();
}
}
}
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