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/**
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright © 2017-2018 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.aai.interceptors.pre;
import java.io.IOException;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.stream.Collectors;
import javax.annotation.Priority;
import javax.ws.rs.container.ContainerRequestContext;
import javax.ws.rs.container.ContainerRequestFilter;
import javax.ws.rs.container.PreMatching;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.core.UriBuilder;
import org.onap.aai.interceptors.AAIContainerFilter;
@PreMatching
@Priority(AAIRequestFilterPriority.REQUEST_MODIFICATION)
public class RequestModification extends AAIContainerFilter implements ContainerRequestFilter {
@Override
public void filter(ContainerRequestContext requestContext) throws IOException {
this.cleanDME2QueryParams(requestContext);
}
private void cleanDME2QueryParams(ContainerRequestContext request) {
UriBuilder builder = request.getUriInfo().getRequestUriBuilder();
MultivaluedMap<String, String> queries = request.getUriInfo().getQueryParameters();
String[] blacklist = { "version", "envContext", "routeOffer" };
Set<String> blacklistSet = Arrays.stream(blacklist).collect(Collectors.toSet());
boolean remove = true;
for (String param : blacklistSet) {
if (!queries.containsKey(param)) {
remove = false;
break;
}
}
if (remove) {
for (Map.Entry<String, List<String>> query : queries.entrySet()) {
String key = query.getKey();
if (blacklistSet.contains(key)) {
builder.replaceQueryParam(key);
}
}
}
request.setRequestUri(builder.build());
}
}
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