public static void retrieveAncestors(final Event event, final PathHandler handler) {
String url = "/ReactomeRESTfulAPI/RESTfulWS/queryEventAncestors/" + event.getDbId();
RequestBuilder requestBuilder = new RequestBuilder(RequestBuilder.GET, url);
requestBuilder.setHeader("Accept", "application/json");
try {
requestBuilder.sendRequest(
null,
new RequestCallback() {
@Override
public void onResponseReceived(Request request, Response response) {
try {
JSONArray list = JSONParser.parseStrict(response.getText()).isArray();
Ancestors ancestors = new Ancestors(list);
List<Path> paths =
getPathsWithoutOrphanPathways(ancestors.getPathsContaining(event));
handler.onPathsRetrieved(paths);
} catch (Exception ex) {
// ToDo: Look into new Error Handling
}
}
@Override
public void onError(Request request, Throwable exception) {
// ToDo: Look into new Error Handling
}
});
} catch (RequestException ex) {
// ToDo: Look into new Error Handling
}
}
@Override
public void onPathRequired(final Event event) {
/* TODO Testing
but never used because DataRequiredListener is used by DetailsPanel and there ancestorsRequired is unused */
final long dbId = event.getDbId();
String url = "/ReactomeRESTfulAPI/RESTfulWS/queryEventAncestors/" + dbId;
RequestBuilder requestBuilder = new RequestBuilder(RequestBuilder.GET, url);
requestBuilder.setHeader("Accept", "application/json");
try {
requestBuilder.sendRequest(
null,
new RequestCallback() {
@Override
public void onResponseReceived(Request request, Response response) {
try {
JSONArray list = JSONParser.parseStrict(response.getText()).isArray();
Ancestors ancestors = new Ancestors(list);
DataRequiredListener.getDataRequiredListener()
.setRequiredAncestors(dbId, ancestors);
} catch (Exception ex) {
// ModelFactoryException, NullPointerException, IllegalArgumentException,
// JSONException
MessageObject msgObj =
new MessageObject(
"The received object for 'DbId="
+ event.getDbId()
+ "' is empty or faulty and could not be parsed into a path or hierarchy.\n"
+ "ERROR: "
+ ex.getMessage(),
getClass(),
MessageType.INTERNAL_ERROR);
eventBus.fireELVEvent(ELVEventType.INTERNAL_MESSAGE, msgObj);
Console.error(getClass() + " ERROR: " + ex.getMessage());
}
}
@Override
public void onError(Request request, Throwable exception) {
if (!GWT.isScript()) {
Console.error(getClass() + " ERROR: " + exception.getMessage());
}
MessageObject msgObj =
new MessageObject(
"The PathRequired request for 'DbId="
+ event.getDbId()
+ "' received an error instead of a valid response.\n"
+ "ERROR: "
+ exception.getMessage(),
getClass(),
MessageType.INTERNAL_ERROR);
eventBus.fireELVEvent(ELVEventType.INTERNAL_MESSAGE, msgObj);
}
});
} catch (RequestException ex) {
MessageObject msgObj =
new MessageObject(
"The requested data for 'DbId="
+ event.getDbId()
+ "' could not be received.\n"
+ "ERROR: "
+ ex.getMessage(),
getClass(),
MessageType.INTERNAL_ERROR);
eventBus.fireELVEvent(ELVEventType.INTERNAL_MESSAGE, msgObj);
Console.error(getClass() + " ERROR: " + ex.getMessage());
}
}