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/**
* ============LICENSE_START===================================================
* SPARKY (AAI UI service)
* ============================================================================
* Copyright © 2017 AT&T Intellectual Property.
* Copyright © 2017 Amdocs
* All rights reserved.
* ============================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=====================================================
*
* ECOMP and OpenECOMP are trademarks
* and service marks of AT&T Intellectual Property.
*/
package org.onap.aai.sparky.search.filters;
import java.util.ArrayList;
import java.util.List;
import javax.json.JsonObject;
import javax.servlet.http.HttpServletRequest;
import org.apache.camel.Exchange;
import org.onap.aai.cl.api.Logger;
import org.onap.aai.cl.eelf.LoggerFactory;
import org.onap.aai.sparky.logging.AaiUiMsgs;
import org.onap.aai.sparky.logging.util.ServletUtils;
import org.onap.aai.sparky.search.filters.entity.UiFilterEntity;
import org.onap.aai.sparky.search.filters.entity.UiFiltersEntity;
import org.onap.aai.sparky.viewandinspect.config.SparkyConstants;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
public class FilterProcessor {
private static final Logger LOG = LoggerFactory.getInstance().getLogger(FilterProcessor.class);
private ObjectMapper mapper;
private FilteredSearchHelper filteredSearchHelper;
public FilterProcessor() {
this.mapper = new ObjectMapper();
}
public ObjectMapper getMapper() {
return mapper;
}
public FilteredSearchHelper getFilteredSearchHelper() {
return filteredSearchHelper;
}
public void setFilteredSearchHelper(FilteredSearchHelper filteredSearchHelper) {
this.filteredSearchHelper = filteredSearchHelper;
}
public void getFiltersWithValues(Exchange exchange) {
HttpServletRequest request = exchange.getIn().getBody(HttpServletRequest.class);
ServletUtils.setUpMdcContext(exchange, request);
UiFiltersEntity viewFiltersList = null;
boolean wasErrorDuringFilterDiscovery = false;
try {
String payload = exchange.getIn().getBody(String.class);
if (payload == null || payload.isEmpty()) {
/* Don't throw back an error, just return an empty set */
LOG.error(AaiUiMsgs.SEARCH_SERVLET_ERROR, "Request Payload is empty");
wasErrorDuringFilterDiscovery = true;
} else {
String viewName = mapper.readValue(payload, JsonNode.class).get(SparkyConstants.UI_FILTER_VIEW_NAME_PARAMETER).asText();
if (viewName == null || viewName.isEmpty()) {
wasErrorDuringFilterDiscovery = true;
} else {
viewFiltersList = filteredSearchHelper.doFilterDiscovery(viewName);
}
}
} catch(Exception exc) {
LOG.error(AaiUiMsgs.ERROR_GENERIC, "FilterProcessor failed to get filter list due to error = " + exc.getMessage());
exchange.getOut().setHeader(Exchange.HTTP_RESPONSE_CODE, 500);
exchange.getOut().setBody(
ServletUtils.generateJsonErrorResponse("FilterProcessor failed to get filter list due to error = " + exc.getMessage()),
String.class);
return;
}
boolean wasErrorDuringValueSearch = false;
if(!wasErrorDuringFilterDiscovery) {
try {
if(!viewFiltersList.getFilters().isEmpty()) {
List<String> filterIds = new ArrayList<String>();
for(UiFilterEntity filterEntity : viewFiltersList.getFilters()) {
filterIds.add(filterEntity.getFilterId());
}
UiFiltersEntity responseFiltersList = filteredSearchHelper.doFilterEnumeration(filterIds);
JsonObject finalResponse = UiFiltersEntityConverter.convertUiFiltersEntityToUnifiedFilterResponse(responseFiltersList);
exchange.getOut().setHeader(Exchange.HTTP_RESPONSE_CODE, 200);
exchange.getOut().setBody(finalResponse.toString());
} else {
wasErrorDuringValueSearch = true;
}
} catch(Exception exc) {
LOG.error(AaiUiMsgs.ERROR_GENERIC, "FilterProcessor failed to generate valid unifiedFilterRequest response due to error, " + exc.getMessage());
exchange.getOut().setHeader(Exchange.HTTP_RESPONSE_CODE, 500);
exchange.getOut().setBody(
ServletUtils.generateJsonErrorResponse("FilterProcessor failed to generate valid unifiedFilterRequest response due to error = " + exc.getMessage()),
String.class);
return;
}
}
// In the case of an error we want to respond with a valid empty response
if(wasErrorDuringFilterDiscovery || wasErrorDuringValueSearch) {
//response.setStatus(Status.SUCCESS_OK);
//response.setEntity(UiFiltersEntityConverter.generateEmptyResponse().toString(), MediaType.APPLICATION_JSON);
exchange.getOut().setHeader(Exchange.HTTP_RESPONSE_CODE, 404);
exchange.getOut().setBody(UiFiltersEntityConverter.generateEmptyResponse().toString());
}
}
}
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