public virtual AttachmentDto getAttachment(string attachmentId)
{
ensureHistoryEnabled(Status.NOT_FOUND);
Attachment attachment = engine.TaskService.getTaskAttachment(taskId, attachmentId);
if (attachment == null)
{
throw new InvalidRequestException(Status.NOT_FOUND, "Task attachment with id " + attachmentId + " does not exist for task id '" + taskId + "'.");
}
return(AttachmentDto.fromAttachment(attachment));
}
public virtual AttachmentDto addAttachment(UriInfo uriInfo, MultipartFormData payload)
{
ensureHistoryEnabled(Status.FORBIDDEN);
ensureTaskExists(Status.BAD_REQUEST);
MultipartFormData.FormPart attachmentNamePart = payload.getNamedPart("attachment-name");
MultipartFormData.FormPart attachmentTypePart = payload.getNamedPart("attachment-type");
MultipartFormData.FormPart attachmentDescriptionPart = payload.getNamedPart("attachment-description");
MultipartFormData.FormPart contentPart = payload.getNamedPart("content");
MultipartFormData.FormPart urlPart = payload.getNamedPart("url");
if (urlPart == null && contentPart == null)
{
throw new InvalidRequestException(Status.BAD_REQUEST, "No content or url to remote content exists to create the task attachment.");
}
string attachmentName = null;
string attachmentDescription = null;
string attachmentType = null;
if (attachmentNamePart != null)
{
attachmentName = attachmentNamePart.TextContent;
}
if (attachmentDescriptionPart != null)
{
attachmentDescription = attachmentDescriptionPart.TextContent;
}
if (attachmentTypePart != null)
{
attachmentType = attachmentTypePart.TextContent;
}
Attachment attachment = null;
try
{
if (contentPart != null)
{
MemoryStream byteArrayInputStream = new MemoryStream(contentPart.BinaryContent);
attachment = engine.TaskService.createAttachment(attachmentType, taskId, null, attachmentName, attachmentDescription, byteArrayInputStream);
}
else if (urlPart != null)
{
attachment = engine.TaskService.createAttachment(attachmentType, taskId, null, attachmentName, attachmentDescription, urlPart.TextContent);
}
}
catch (ProcessEngineException e)
{
throw new InvalidRequestException(Status.BAD_REQUEST, e, "Task id is null");
}
URI uri = uriInfo.BaseUriBuilder.path(rootResourcePath).path(org.camunda.bpm.engine.rest.TaskRestService_Fields.PATH).path(taskId + "/attachment/" + attachment.Id).build();
AttachmentDto attachmentDto = AttachmentDto.fromAttachment(attachment);
// GET /
attachmentDto.addReflexiveLink(uri, HttpMethod.GET, "self");
return(attachmentDto);
}
