/** Deletes a search using the specified uri target. */
private void doDelete(String uriTarget, HttpResponse response) throws IOException {
// Use GUID to get search result list.
SearchResultList searchList;
try {
String guidStr = parseGuid(uriTarget);
searchList = searchManager.getSearchResultList(new GUID(guidStr));
} catch (Exception ex) {
searchList = null;
}
if (searchList != null) {
Search search = searchList.getSearch();
// Stop search.
search.stop();
// Remove search from core management.
searchManager.removeSearch(search);
// Set OK status.
response.setStatusCode(HttpStatus.SC_OK);
} else {
response.setStatusCode(HttpStatus.SC_NOT_FOUND);
}
}
/** Starts a new search using the specified uri target and query parameters. */
private void doStart(String uriTarget, Map<String, String> queryParams, HttpResponse response)
throws IOException {
// Get parameters to start search.
String searchQuery = queryParams.get("q");
// Create search.
SearchDetails searchDetails = RestSearchDetails.createKeywordSearch(searchQuery);
Search search = searchFactory.createSearch(searchDetails);
// Add search to search manager. The search is monitored so it will
// be cancelled if we stop polling for its results.
SearchResultList searchList = searchManager.addMonitoredSearch(search, searchDetails);
// Start search.
search.start();
try {
// Return search metadata.
JSONObject jsonObj = RestUtils.createSearchJson(searchList);
HttpEntity entity = RestUtils.createStringEntity(jsonObj.toString());
response.setEntity(entity);
response.setStatusCode(HttpStatus.SC_OK);
} catch (JSONException ex) {
throw new IOException(ex);
}
}
/** Stops the search and removes the current search listener. */
@Override
public void dispose() {
// Stop search.
search.stop();
// Remove search listener.
if (searchListener != null) {
search.removeSearchListener(searchListener);
searchListener = null;
}
}
/**
* Installs the specified search listener and starts the search. The search listener should handle
* search results by calling the <code>addSearchResult(SearchResult)</code> method.
*/
@Override
public void start(SearchListener searchListener) {
if (searchListener == null) {
throw new IllegalArgumentException("Search listener cannot be null");
}
// Install search listener.
this.searchListener = searchListener;
search.addSearchListener(searchListener);
// Start search.
search.start();
}