/**
* Handle the request primitive delete ... TODO: Strategy for error handling ... TS0004 7.1.1.2
*
* @param onem2mResponse response
*/
public void handleOperationDelete(ResponsePrimitive onem2mResponse) {
// Use table TS0004: 7.1.1.1-1 to validate DELETE specific parameters that were not handled in
// the calling routine
String cf = getPrimitive(RequestPrimitive.CONTENT);
if (cf != null) {
onem2mResponse.setRSC(
Onem2m.ResponseStatusCode.INVALID_ARGUMENTS,
"CONTENT(" + RequestPrimitive.CONTENT + ") not permitted");
return;
}
// validate result content options for delete
String rc = getPrimitive(RequestPrimitive.RESULT_CONTENT);
if (rc != null) {
if (!(rc.contentEquals(Onem2m.ResultContent.ATTRIBUTES)
|| rc.contentEquals(Onem2m.ResultContent.NOTHING)
|| rc.contentEquals(Onem2m.ResultContent.CHILD_RESOURCE_REFS)
|| rc.contentEquals(Onem2m.ResultContent.ATTRIBUTES_CHILD_RESOURCE_REFS))) {
onem2mResponse.setRSC(
Onem2m.ResponseStatusCode.CONTENTS_UNACCEPTABLE,
"RESULT_CONTENT(" + RequestPrimitive.RESULT_CONTENT + ") not accepted (" + rc + ")");
return;
}
}
/** Find the resource, fill in the response based on result content */
String to = this.getPrimitive(RequestPrimitive.TO);
if (Onem2mDb.getInstance().findResourceUsingURI(to, this, onem2mResponse) == false) {
// TODO: is it idempotent or not ... fail or succeed???
onem2mResponse.setRSC(
Onem2m.ResponseStatusCode.NOT_FOUND, "Resource target URI not found: " + to);
return;
}
String protocol = getPrimitive(RequestPrimitive.PROTOCOL);
String rt = this.getOnem2mResource().getResourceType();
if (rt != null
&& rt.contentEquals(Onem2m.ResourceType.CSE_BASE)
&& !protocol.contentEquals(Onem2m.Protocol.NATIVEAPP)) {
onem2mResponse.setRSC(
Onem2m.ResponseStatusCode.OPERATION_NOT_ALLOWED,
"Not permitted to delete this resource: " + this.getPrimitive(RequestPrimitive.TO));
return;
}
ResourceContentProcessor.handleDelete(this, onem2mResponse);
if (onem2mResponse.getPrimitive(ResponsePrimitive.RESPONSE_STATUS_CODE) != null) {
return;
}
ResultContentProcessor.handleDelete(this, onem2mResponse);
if (onem2mResponse.getPrimitive(ResponsePrimitive.RESPONSE_STATUS_CODE) != null) {
return;
}
NotificationProcessor.handleDelete(this);
// now delete the resource from the database
// TODO: idempotent so who cares if cannot find the resource ... is this true?
if (Onem2mDb.getInstance().deleteResourceUsingURI(this, onem2mResponse) == false) {
onem2mResponse.setRSC(
Onem2m.ResponseStatusCode.INTERNAL_SERVER_ERROR,
"Resource target URI data store delete error: " + this.getPrimitive(RequestPrimitive.TO));
return;
}
// TODO: see TS0004 6.8
// if FOUND, and all went well, send back OK
if (onem2mResponse.getPrimitive(ResponsePrimitive.RESPONSE_STATUS_CODE) == null) {
onem2mResponse.setPrimitive(
ResponsePrimitive.RESPONSE_STATUS_CODE, Onem2m.ResponseStatusCode.DELETED);
}
}
