bpmn/MSOCommonBPMN/src/main/java/org/onap/so/client/exception/ExceptionBuilder.java

   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.client.exception;
  22
  23 import org.camunda.bpm.engine.delegate.BpmnError;
  24 import org.camunda.bpm.engine.delegate.DelegateExecution;
  25 import org.onap.so.bpmn.common.BuildingBlockExecution;
  26 import org.onap.so.bpmn.common.DelegateExecutionImpl;
  27 import org.onap.so.bpmn.core.WorkflowException;
  28 import org.onap.so.logger.MessageEnum;
  29 import org.onap.so.logger.MsoLogger;
  30 import org.springframework.stereotype.Component;
  31
  32 @Component
  33 public class ExceptionBuilder {
  34         private static final MsoLogger msoLogger = MsoLogger.getMsoLogger(MsoLogger.Catalog.BPEL, ExceptionBuilder.class);
  35
  36         public void buildAndThrowWorkflowException(BuildingBlockExecution execution, int errorCode, Exception exception) {
  37                 String msg = "Exception in %s.%s ";
  38                 try{
  39                         msoLogger.error(exception);
  40
  41                         String errorVariable = "Error%s%s";
  42
  43                         StackTraceElement[] trace = Thread.currentThread().getStackTrace();
  44                         for (StackTraceElement traceElement : trace) {
  45                                 if (!traceElement.getClassName().equals(this.getClass().getName()) && !traceElement.getClassName().equals(Thread.class.getName())) {
  46                                         msg = String.format(msg, traceElement.getClassName(), traceElement.getMethodName());
  47                                         String shortClassName = traceElement.getClassName().substring(traceElement.getClassName().lastIndexOf(".") + 1);
  48                                         errorVariable = String.format(errorVariable,  shortClassName, traceElement.getMethodName());
  49                                         break;
  50                                 }
  51                         }
  52
  53                         msoLogger.error(MessageEnum.BPMN_GENERAL_EXCEPTION_ARG, msg, "BPMN", MsoLogger.getServiceName(), MsoLogger.ErrorCode.UnknownError, msg.toString());
  54                         execution.setVariable(errorVariable, exception.getMessage());
  55                 } catch (Exception ex){
  56                         //log trace, allow process to complete gracefully
  57                         msoLogger.error(ex);
  58                 }
  59
  60                 if (exception.getMessage() != null)
  61                         msg = msg.concat(exception.getMessage());
  62                 buildAndThrowWorkflowException(execution, errorCode, msg);
  63         }
  64
  65         public void buildAndThrowWorkflowException(BuildingBlockExecution execution, int errorCode, String errorMessage) {
  66                 if (execution instanceof DelegateExecutionImpl) {
  67                         buildAndThrowWorkflowException(((DelegateExecutionImpl) execution).getDelegateExecution(), errorCode, errorMessage);
  68                 }
  69         }
  70
  71         public void buildAndThrowWorkflowException(DelegateExecution execution, int errorCode, String errorMessage) {
  72                 String processKey = getProcessKey(execution);
  73                 msoLogger.info("Building a WorkflowException for Subflow");
  74
  75                 WorkflowException exception = new WorkflowException(processKey, errorCode, errorMessage);
  76                 execution.setVariable("WorkflowException", exception);
  77                 msoLogger.info("Outgoing WorkflowException is " + exception);
  78                 msoLogger.info("Throwing MSOWorkflowException");
  79                 throw new BpmnError("MSOWorkflowException");
  80         }
  81
  82         public String getProcessKey(DelegateExecution execution) {
  83                 String testKey = (String) execution.getVariable("testProcessKey");
  84                 if (testKey != null) {
  85                         return testKey;
  86                 }
  87                 return execution.getProcessEngineServices().getRepositoryService()
  88                                 .getProcessDefinition(execution.getProcessDefinitionId()).getKey();
  89         }
  90 }