org.activiti.engine.impl.scripting.ScriptingEngines Java Examples

@Override
public void notify(DelegateExecution execution) {

    if (script == null) {
        throw new IllegalArgumentException("The field 'script' should be set on the ExecutionListener");
    }

    if (language == null) {
        throw new IllegalArgumentException("The field 'language' should be set on the ExecutionListener");
    }

    ScriptingEngines scriptingEngines = Context.getProcessEngineConfiguration().getScriptingEngines();

    Object result = scriptingEngines.evaluate(script.getExpressionText(), language.getExpressionText(), execution);

    if (resultVariable != null) {
        execution.setVariable(resultVariable.getExpressionText(), result);
    }
}
 

@Override
public void notify(DelegateTask delegateTask) {
    if (script == null) {
        throw new IllegalArgumentException("The field 'script' should be set on the TaskListener");
    }

    if (language == null) {
        throw new IllegalArgumentException("The field 'language' should be set on the TaskListener");
    }

    ScriptingEngines scriptingEngines = Context.getProcessEngineConfiguration().getScriptingEngines();

    Object result = scriptingEngines.evaluate(script.getExpressionText(), language.getExpressionText(), delegateTask, autoStoreVariables);

    if (resultVariable != null) {
        delegateTask.setVariable(resultVariable.getExpressionText(), result);
    }
}
 

public Object renderStartForm(StartFormData startForm) {
  if (startForm.getFormKey() == null) {
    return null;
  }
  String formTemplateString = getFormTemplateString(startForm, startForm.getFormKey());
  ScriptingEngines scriptingEngines = Context.getProcessEngineConfiguration().getScriptingEngines();
  return scriptingEngines.evaluate(formTemplateString, ScriptingEngines.DEFAULT_SCRIPTING_LANGUAGE, null);
}
 

public Object renderTaskForm(TaskFormData taskForm) {
  if (taskForm.getFormKey() == null) {
    return null;
  }
  String formTemplateString = getFormTemplateString(taskForm, taskForm.getFormKey());
  ScriptingEngines scriptingEngines = Context.getProcessEngineConfiguration().getScriptingEngines();
  TaskEntity task = (TaskEntity) taskForm.getTask();
  return scriptingEngines.evaluate(formTemplateString, ScriptingEngines.DEFAULT_SCRIPTING_LANGUAGE, task.getExecution());
}
 

public ScriptTaskActivityBehavior createScriptTaskActivityBehavior(ScriptTask scriptTask) {
  String language = scriptTask.getScriptFormat();
  if (language == null) {
    language = ScriptingEngines.DEFAULT_SCRIPTING_LANGUAGE;
  }
  return new ScriptTaskActivityBehavior(scriptTask.getId(), scriptTask.getScript(), language, scriptTask.getResultVariable(), scriptTask.isAutoStoreVariables());
}
 

@Override
public void notify(DelegateExecution execution) {

  validateParameters();

  ScriptingEngines scriptingEngines = Context.getProcessEngineConfiguration().getScriptingEngines();
  Object result = scriptingEngines.evaluate(script.getExpressionText(), language.getExpressionText(), execution);

  if (resultVariable != null) {
    execution.setVariable(resultVariable.getExpressionText(), result);
  }
}
 

public void notify(DelegateTask delegateTask) {
  validateParameters();

  ScriptingEngines scriptingEngines = Context.getProcessEngineConfiguration().getScriptingEngines();
  Object result = scriptingEngines.evaluate(script.getExpressionText(), language.getExpressionText(), delegateTask, autoStoreVariables);

  if (resultVariable != null) {
    delegateTask.setVariable(resultVariable.getExpressionText(), result);
  }
}
 

public void execute(DelegateExecution execution) {

    ScriptingEngines scriptingEngines = Context.getProcessEngineConfiguration().getScriptingEngines();
    
    if (Context.getProcessEngineConfiguration().isEnableProcessDefinitionInfoCache()) {
      ObjectNode taskElementProperties = Context.getBpmnOverrideElementProperties(scriptTaskId, execution.getProcessDefinitionId());
      if (taskElementProperties != null && taskElementProperties.has(DynamicBpmnConstants.SCRIPT_TASK_SCRIPT)) {
        String overrideScript = taskElementProperties.get(DynamicBpmnConstants.SCRIPT_TASK_SCRIPT).asText();
        if (StringUtils.isNotEmpty(overrideScript) && overrideScript.equals(script) == false) {
          script = overrideScript;
        }
      }
    }

    boolean noErrors = true;
    try {
      Object result = scriptingEngines.evaluate(script, language, execution, storeScriptVariables);

      if (resultVariable != null) {
        execution.setVariable(resultVariable, result);
      }

    } catch (ActivitiException e) {

      LOGGER.warn("Exception while executing " + execution.getCurrentFlowElement().getId() + " : " + e.getMessage());

      noErrors = false;
      Throwable rootCause = ExceptionUtils.getRootCause(e);
      if (rootCause instanceof BpmnError) {
        ErrorPropagation.propagateError((BpmnError) rootCause, execution);
      } else {
        throw e;
      }
    }
    if (noErrors) {
      leave(execution);
    }
  }
 

@Override
public void handle(SimulationEvent event) {
  ScriptingEngines scriptingEngines = Context.getProcessEngineConfiguration().getScriptingEngines();

  VariableScope execution = SimulationRunContext.getExecution();
  try {
    scriptingEngines.evaluate((String) event.getProperty(this.scriptPropertyName), language, execution, false);

  } catch (ActivitiException e) {
    log.warn("Exception while executing simulation event " + event + " scriptPropertyName :" + this.scriptPropertyName + "\n script: " + event.getProperty(this.scriptPropertyName)
        + "\n exception is:" + e.getMessage());
    throw e;
  }
}
 

@Override
public Object getScriptingEngineValue(String payloadExpressionValue, String languageValue, DelegateExecution execution) {
    try {
        final ProcessEngineConfigurationImpl processEngineConfig = (ProcessEngineConfigurationImpl) getProcessEngine().getProcessEngineConfiguration();
        ScriptingEngines scriptingEngines = processEngineConfig.getScriptingEngines();
        return scriptingEngines.evaluate(payloadExpressionValue, languageValue, execution);

    } catch (org.activiti.engine.ActivitiException e) {
        handleActivitiException(e);
        return null;
    }
}
 

@Override
public Object renderStartForm(StartFormData startForm) {
    if (startForm.getFormKey() == null) {
        return null;
    }
    String formTemplateString = getFormTemplateString(startForm, startForm.getFormKey());
    ScriptingEngines scriptingEngines = Context.getProcessEngineConfiguration().getScriptingEngines();
    return scriptingEngines.evaluate(formTemplateString, ScriptingEngines.DEFAULT_SCRIPTING_LANGUAGE, null);
}
 

@Override
public Object renderTaskForm(TaskFormData taskForm) {
    if (taskForm.getFormKey() == null) {
        return null;
    }
    String formTemplateString = getFormTemplateString(taskForm, taskForm.getFormKey());
    ScriptingEngines scriptingEngines = Context.getProcessEngineConfiguration().getScriptingEngines();
    TaskEntity task = (TaskEntity) taskForm.getTask();
    return scriptingEngines.evaluate(formTemplateString, ScriptingEngines.DEFAULT_SCRIPTING_LANGUAGE, task.getExecution());
}
 

@Override
public ScriptTaskActivityBehavior createScriptTaskActivityBehavior(ScriptTask scriptTask) {
    String language = scriptTask.getScriptFormat();
    if (language == null) {
        language = ScriptingEngines.DEFAULT_SCRIPTING_LANGUAGE;
    }
    return new ScriptTaskActivityBehavior(scriptTask.getId(), scriptTask.getScript(), language, scriptTask.getResultVariable(), scriptTask.isAutoStoreVariables());
}
 

@Override
public void execute(DelegateExecution execution) {
    ActivityExecution activityExecution = (ActivityExecution) execution;
    ScriptingEngines scriptingEngines = Context.getProcessEngineConfiguration().getScriptingEngines();

    if (Context.getProcessEngineConfiguration().isEnableProcessDefinitionInfoCache()) {
        ObjectNode taskElementProperties = Context.getBpmnOverrideElementProperties(scriptTaskId, execution.getProcessDefinitionId());
        if (taskElementProperties != null && taskElementProperties.has(DynamicBpmnConstants.SCRIPT_TASK_SCRIPT)) {
            String overrideScript = taskElementProperties.get(DynamicBpmnConstants.SCRIPT_TASK_SCRIPT).asText();
            if (StringUtils.isNotEmpty(overrideScript) && !overrideScript.equals(script)) {
                script = overrideScript;
            }
        }
    }

    boolean noErrors = true;
    try {
        Object result = scriptingEngines.evaluate(script, language, execution, storeScriptVariables);

        if (resultVariable != null) {
            execution.setVariable(resultVariable, result);
        }

    } catch (ActivitiException e) {

        LOGGER.warn("Exception while executing {} : {}", activityExecution.getActivity().getId(), e.getMessage());

        noErrors = false;
        Throwable rootCause = ExceptionUtils.getRootCause(e);
        if (rootCause instanceof BpmnError) {
            ErrorPropagation.propagateError((BpmnError) rootCause, activityExecution);
        } else {
            throw e;
        }
    }
    if (noErrors) {
        leave(activityExecution);
    }
}
 

public ScriptingEngines getScriptingEngines() {
    return scriptingEngines;
}
 

public ProcessEngineConfigurationImpl setScriptingEngines(ScriptingEngines scriptingEngines) {
    this.scriptingEngines = scriptingEngines;
    return this;
}