@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
traceRequest(req);
SolrQuery query = buildSolrQuery(req);
if (query == null) {
handleException(resp, "Invalid search request", null, HttpServletResponse.SC_BAD_REQUEST);
return;
}
try {
QueryResponse solrResponse = SearchActivator.getInstance().getSolrServer().query(query);
writeResponse(query, req, resp, solrResponse);
} catch (SolrServerException e) {
LogHelper.log(e);
resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.getMessage());
}
}
/** Writes the response to the search query to the HTTP response's output stream. */
private void writeResponse(
SolrQuery query,
HttpServletRequest httpRequest,
HttpServletResponse httpResponse,
QueryResponse queryResponse)
throws IOException {
SolrCore core = SearchActivator.getInstance().getSolrCore();
// this seems to be the only way to obtain the JSON response representation
SolrQueryRequest solrRequest = new LocalSolrQueryRequest(core, query.toNamedList());
SolrQueryResponse solrResponse = new SolrQueryResponse();
// bash the query in the response to remove user info
NamedList<Object> params =
(NamedList<Object>) queryResponse.getHeader().get("params"); // $NON-NLS-1$
params.remove(CommonParams.Q);
params.add(CommonParams.Q, httpRequest.getParameter(CommonParams.Q));
NamedList<Object> values = queryResponse.getResponse();
String contextPath = httpRequest.getContextPath();
if (contextPath.length() > 0) setSearchResultContext(values, contextPath);
solrResponse.setAllValues(values);
QueryResponseWriter writer = core.getQueryResponseWriter("json"); // $NON-NLS-1$
writer.write(httpResponse.getWriter(), solrRequest, solrResponse);
}
