}
HistoricTaskInstance taskObject = taskQuery.singleResult();
if (taskObject == null) {
throw new ActivitiObjectNotFoundException("Historic task instance '" + taskId + "' couldn't be found.", HistoricTaskInstanceEntity.class);
}
Object value = null;
if (variableScope != null) {
if (variableScope == RestVariableScope.GLOBAL) {
value = taskObject.getProcessVariables().get(variableName);
} else {
value = taskObject.getTaskLocalVariables().get(variableName);
}
} else {
// look for local task variables first
if (taskObject.getTaskLocalVariables().containsKey(variableName)) {
value = taskObject.getTaskLocalVariables().get(variableName);
} else {
value = taskObject.getProcessVariables().get(variableName);
}
}
if (value == null) {
throw new ActivitiObjectNotFoundException("Historic task instance '" + taskId + "' variable value for " + variableName + " couldn't be found.", VariableInstanceEntity.class);
} else {
String serverRootUrl = request.getRequestURL().toString();
return restResponseFactory.createRestVariable(variableName, value, null, taskId,
RestResponseFactory.VARIABLE_HISTORY_TASK, includeBinary, serverRootUrl.substring(0, serverRootUrl.indexOf("/history/historic-task-instances/")));
}