@Override protected void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException { try { Long branchUuid = null; String artifactGuid = request.getParameter(GUID_KEY); String branchName = request.getParameter(BRANCH_NAME_KEY); String branchGuid = request.getParameter(BRANCH_GUID_KEY); if (branchGuid != null) { getLogger() .warn( "Request with branch guid instead of uuid [%s]", request.getRequestURL().append('?').append(request.getQueryString())); branchUuid = extractBranchUuid(branchGuid); } else { branchUuid = Long.parseLong(request.getParameter(BRANCH_UUID_KEY)); } String uri = null; BranchQuery query = orcs.getQueryFactory(null).branchQuery(); if (branchName != null) { query.andNameEquals(branchName); } else if (branchUuid != null) { query.andUuids(branchUuid); } BranchReadable branch = query.getResults().getExactlyOne(); Conditions.checkNotNull(branch, "branch", "Unable to determine branch"); uri = ArtifactUtil.getUri(jdbcClient, artifactGuid, branch); handleArtifactUri(resourceManager, request.getQueryString(), uri, response); } catch (NumberFormatException ex) { handleError( response, HttpServletResponse.SC_BAD_REQUEST, String.format("Invalid Branch Id: [%s]", request.getQueryString()), ex); } catch (Exception ex) { handleError( response, HttpServletResponse.SC_INTERNAL_SERVER_ERROR, String.format("Unable to acquire resource: [%s]", request.getQueryString()), ex); } finally { response.flushBuffer(); } }