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/*-
* ============LICENSE_START=======================================================
* ONAP - SO
* ================================================================================
* Copyright (C) 2017 - 2019 AT&T Intellectual Property. 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=========================================================
*/
package org.onap.so.apihandlerinfra.infra.rest.validators;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.stream.Collectors;
import javax.annotation.PostConstruct;
import org.javatuples.Pair;
import org.onap.so.apihandlerinfra.Actions;
import org.onap.so.apihandlerinfra.exceptions.ApiException;
import org.onap.so.apihandlerinfra.exceptions.ValidateException;
import org.onap.so.listener.ListenerRunner;
import org.onap.so.serviceinstancebeans.ServiceInstancesRequest;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
@Component
public class RequestValidatorListenerRunner extends ListenerRunner {
private static Logger logger = LoggerFactory.getLogger(RequestValidatorListenerRunner.class);
protected List<RequestValidator> requestValidators;
@PostConstruct
protected void init() {
requestValidators = new ArrayList<>(
Optional.ofNullable(context.getBeansOfType(RequestValidator.class)).orElse(new HashMap<>()).values());
}
public boolean runValidations(String requestURI, Map<String, String> instanceIdMap, ServiceInstancesRequest request,
Map<String, String> queryParams, Actions action) throws ApiException {
logger.info("Running local validations");
List<Pair<String, Optional<String>>> results =
runValidations(requestValidators, instanceIdMap, request, queryParams, requestURI, action);
if (!results.isEmpty()) {
throw new ValidateException("Failed Validations:\n"
+ results.stream().map(item -> String.format("%s: %s", item.getValue0(), item.getValue1().get()))
.collect(Collectors.joining("\n")),
400);
}
return true;
}
protected List<Pair<String, Optional<String>>> runValidations(List<? extends RequestValidator> validators,
Map<String, String> instanceIdMap, ServiceInstancesRequest request, Map<String, String> queryParams,
String requestURI, Actions action) {
List<? extends RequestValidator> filtered =
filterListeners(validators, (item -> item.shouldRunFor(requestURI, request, action)));
List<Pair<String, Optional<String>>> results = new ArrayList<>();
filtered.forEach(item -> results.add(
new Pair<>(item.getClass().getName(), item.validate(instanceIdMap, request, queryParams, action))));
return results.stream().filter(item -> item.getValue1().isPresent()).collect(Collectors.toList());
}
}
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