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/*-
* ============LICENSE_START=======================================================
* PNF-REGISTRATION-HANDLER
* ================================================================================
* Copyright (C) 2018 NOKIA 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.dcaegen2.services.service;
import org.apache.http.HttpEntity;
import org.apache.http.client.ResponseHandler;
import org.apache.http.util.EntityUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.Optional;
public class CommonMethods {
private static Logger logger = LoggerFactory.getLogger(CommonMethods.class);
private CommonMethods() {}
public static ResponseHandler<Optional<String>> dmaapResponseHandler() {
return httpResponse -> {
final int responseCode = httpResponse.getStatusLine().getStatusCode();
final HttpEntity responseEntity = httpResponse.getEntity();
if (HttpUtils.isSuccessfulResponseCode(responseCode) && responseEntity != null) {
logger.info("HTTP response successful.");
final String response = EntityUtils.toString(responseEntity);
return Optional.of(response);
} else {
String response = responseEntity != null ? EntityUtils.toString(responseEntity) : "";
logger.error("HTTP response not successful : {}", response);
return Optional.empty();
}
};
}
}
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