@Post
public ProcessInstanceResponse createProcessInstance(ProcessInstanceCreateRequest request) {
if (request.getProcessDefinitionId() == null
&& request.getProcessDefinitionKey() == null
&& request.getMessage() == null) {
throw new ActivitiIllegalArgumentException(
"Either processDefinitionId, processDefinitionKey or message is required.");
}
int paramsSet =
((request.getProcessDefinitionId() != null) ? 1 : 0)
+ ((request.getProcessDefinitionKey() != null) ? 1 : 0)
+ ((request.getMessage() != null) ? 1 : 0);
if (paramsSet > 1) {
throw new ActivitiIllegalArgumentException(
"Only one of processDefinitionId, processDefinitionKey or message should be set.");
}
RestResponseFactory factory =
getApplication(ActivitiRestServicesApplication.class).getRestResponseFactory();
Map<String, Object> startVariables = null;
if (request.getVariables() != null) {
startVariables = new HashMap<String, Object>();
for (RestVariable variable : request.getVariables()) {
startVariables.put(variable.getName(), factory.getVariableValue(variable));
}
}
// Actually start the instance based on key or id
try {
ProcessInstance instance = null;
if (request.getProcessDefinitionId() != null) {
instance =
ActivitiUtil.getRuntimeService()
.startProcessInstanceById(
request.getProcessDefinitionId(), request.getBusinessKey(), startVariables);
} else if (request.getProcessDefinitionKey() != null) {
instance =
ActivitiUtil.getRuntimeService()
.startProcessInstanceByKey(
request.getProcessDefinitionKey(), request.getBusinessKey(), startVariables);
} else {
instance =
ActivitiUtil.getRuntimeService()
.startProcessInstanceByMessage(
request.getMessage(), request.getBusinessKey(), startVariables);
}
setStatus(Status.SUCCESS_CREATED);
return factory.createProcessInstanceResponse(this, instance);
} catch (ActivitiObjectNotFoundException aonfe) {
throw new ActivitiIllegalArgumentException(aonfe.getMessage(), aonfe);
}
}
@Get
public List<AttachmentResponse> getAttachments() {
if (!authenticate()) return null;
List<AttachmentResponse> result = new ArrayList<AttachmentResponse>();
RestResponseFactory responseFactory =
getApplication(ActivitiRestServicesApplication.class).getRestResponseFactory();
Task task = getTaskFromRequest();
for (Attachment attachment : ActivitiUtil.getTaskService().getTaskAttachments(task.getId())) {
result.add(responseFactory.createAttachmentResponse(this, attachment));
}
return result;
}