2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
6 * Copyright © 2017-2018 Amdocs
7 * ================================================================================
8 * Licensed under the Apache License, Version 2.0 (the "License");
9 * you may not use this file except in compliance with the License.
10 * You may obtain a copy of the License at
12 * http://www.apache.org/licenses/LICENSE-2.0
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
19 * ============LICENSE_END=========================================================
21 package org.onap.aai.sparky.search.filters;
23 import javax.servlet.http.HttpServletRequest;
25 import org.apache.camel.Exchange;
26 import org.onap.aai.cl.api.Logger;
27 import org.onap.aai.cl.eelf.LoggerFactory;
28 import org.onap.aai.sparky.logging.AaiUiMsgs;
29 import org.onap.aai.sparky.logging.util.ServletUtils;
30 import org.onap.aai.sparky.viewandinspect.config.SparkyConstants;
32 import com.fasterxml.jackson.databind.ObjectMapper;
33 import com.google.gson.Gson;
34 import com.google.gson.JsonArray;
35 import com.google.gson.JsonElement;
36 import com.google.gson.JsonObject;
38 public class FilterProcessor {
40 private static final Logger LOG = LoggerFactory.getInstance().getLogger(FilterProcessor.class);
42 private ObjectMapper mapper;
43 private FilteredSearchHelper filteredSearchHelper;
44 private Gson converter;
46 public FilterProcessor() {
47 this.mapper = new ObjectMapper();
48 this.converter = new Gson();
51 public ObjectMapper getMapper() {
55 public FilteredSearchHelper getFilteredSearchHelper() {
56 return filteredSearchHelper;
59 public void setFilteredSearchHelper(FilteredSearchHelper filteredSearchHelper) {
60 this.filteredSearchHelper = filteredSearchHelper;
63 public void getFiltersWithValues(Exchange exchange) {
65 HttpServletRequest request = exchange.getIn().getBody(HttpServletRequest.class);
66 ServletUtils.setUpMdcContext(exchange, request);
68 JsonArray viewFiltersQueries = null;
69 boolean wasErrorDuringFilterDiscovery = false;
72 String payload = exchange.getIn().getBody(String.class);
74 if (payload == null || payload.isEmpty()) {
75 /* Don't throw back an error, just return an empty set */
76 LOG.error(AaiUiMsgs.SEARCH_SERVLET_ERROR, "Request Payload is empty");
77 wasErrorDuringFilterDiscovery = true;
79 JsonObject payloadObj = converter.fromJson(payload, JsonObject.class);
80 String viewName = null;
82 if(payloadObj.has(SparkyConstants.UI_FILTER_VIEW_NAME_PARAMETER)) {
83 JsonElement viewNameElement = payloadObj.get(SparkyConstants.UI_FILTER_VIEW_NAME_PARAMETER);
84 if(!viewNameElement.isJsonNull()) {
85 viewName = viewNameElement.getAsString();
89 if (viewName == null || viewName.isEmpty()) {
90 wasErrorDuringFilterDiscovery = true;
92 viewFiltersQueries = filteredSearchHelper.createFilterValueQueries(payload);
95 } catch(Exception exc) {
96 LOG.error(AaiUiMsgs.ERROR_GENERIC, "FilterProcessor failed to get filter list due to error = " + exc.getMessage());
98 exchange.getOut().setHeader(Exchange.HTTP_RESPONSE_CODE, 500);
100 exchange.getOut().setBody(
101 ServletUtils.generateJsonErrorResponse("FilterProcessor failed to get filter list due to error = " + exc.getMessage()),
107 boolean wasErrorDuringValueSearch = false;
108 if(!wasErrorDuringFilterDiscovery) {
110 if(viewFiltersQueries != null && viewFiltersQueries.size() > 0) {
111 String populatedFiltersList = filteredSearchHelper.doFilterEnumeration(viewFiltersQueries);
113 exchange.getOut().setHeader(Exchange.HTTP_RESPONSE_CODE, 200);
114 exchange.getOut().setBody(populatedFiltersList);
116 wasErrorDuringValueSearch = true;
118 } catch(Exception exc) {
119 LOG.error(AaiUiMsgs.ERROR_GENERIC, "FilterProcessor failed to generate valid unifiedFilterRequest response due to error, " + exc.getMessage());
121 exchange.getOut().setHeader(Exchange.HTTP_RESPONSE_CODE, 500);
123 exchange.getOut().setBody(
124 ServletUtils.generateJsonErrorResponse("FilterProcessor failed to generate valid unifiedFilterRequest response due to error = " + exc.getMessage()),
131 // In the case of an error we want to respond with a valid empty response
132 if(wasErrorDuringFilterDiscovery || wasErrorDuringValueSearch) {
133 exchange.getOut().setHeader(Exchange.HTTP_RESPONSE_CODE, 404);
134 exchange.getOut().setHeader(Exchange.CONTENT_TYPE, "application/json");
135 exchange.getOut().setBody(UiFiltersEntityConverter.generateEmptyResponse().toString());