diff options
Diffstat (limited to 'prh-aai-client/src/main/java/org/onap/dcaegen2/services/prh/service/AAIConsumerClient.java')
-rw-r--r-- | prh-aai-client/src/main/java/org/onap/dcaegen2/services/prh/service/AAIConsumerClient.java | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/prh-aai-client/src/main/java/org/onap/dcaegen2/services/prh/service/AAIConsumerClient.java b/prh-aai-client/src/main/java/org/onap/dcaegen2/services/prh/service/AAIConsumerClient.java new file mode 100644 index 00000000..0ada9072 --- /dev/null +++ b/prh-aai-client/src/main/java/org/onap/dcaegen2/services/prh/service/AAIConsumerClient.java @@ -0,0 +1,127 @@ +/*- + * ============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.prh.service; + +import org.apache.http.HttpEntity; +import org.apache.http.client.ResponseHandler; +import org.apache.http.client.methods.HttpGet; +import org.apache.http.client.methods.HttpRequestBase; +import org.apache.http.client.utils.URIBuilder; +import org.apache.http.impl.client.CloseableHttpClient; +import org.apache.http.util.EntityUtils; +import org.onap.dcaegen2.services.prh.config.AAIClientConfiguration; +import org.onap.dcaegen2.services.prh.model.ConsumerDmaapModel; +import org.onap.dcaegen2.services.prh.utils.HttpUtils; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.io.IOException; +import java.net.URI; +import java.net.URISyntaxException; +import java.util.Map; +import java.util.Objects; +import java.util.Optional; + +public class AAIConsumerClient { + + Logger logger = LoggerFactory.getLogger(AAIConsumerClient.class); + + private final CloseableHttpClient closeableHttpClient; + private final String aaiHost; + private final String aaiProtocol; + private final Integer aaiHostPortNumber; + private final String aaiPath; + private final Map<String,String> aaiHeaders; + + + public AAIConsumerClient(AAIClientConfiguration aaiClientConfiguration) { + closeableHttpClient = new AAIClientImpl(aaiClientConfiguration).getAAIHttpClient(); + aaiHost = aaiClientConfiguration.aaiHost(); + aaiProtocol = aaiClientConfiguration.aaiProtocol(); + aaiHostPortNumber = aaiClientConfiguration.aaiHostPortNumber(); + aaiPath = aaiClientConfiguration.aaiBasePath() + aaiClientConfiguration.aaiPnfPath(); + aaiHeaders = aaiClientConfiguration.aaiHeaders(); + } + + public Optional<String> getHttpResponse(ConsumerDmaapModel consumerDmaapModel) throws IOException { + Optional<HttpRequestBase> request = createRequest(consumerDmaapModel); + try { + return closeableHttpClient.execute(request.get(), aaiResponseHandler()); + } catch (IOException e) { + logger.warn("Exception while executing http client: ", e); + throw new IOException(); + } + } + + private URI createAAIExtendedURI(String pnfName) { + + URI extendedURI = null; + + final URIBuilder uriBuilder = new URIBuilder() + .setScheme(aaiProtocol) + .setHost(aaiHost) + .setPort(aaiHostPortNumber) + .setPath(aaiPath + "/" + pnfName); + + try { + extendedURI = uriBuilder.build(); + logger.trace("Building extended URI: {}", extendedURI); + } catch (URISyntaxException e) { + logger.warn("Exception while building extended URI: {}", e); + } + + return extendedURI; + } + + private ResponseHandler<Optional<String>> aaiResponseHandler() { + return httpResponse -> { + final int responseCode = httpResponse.getStatusLine().getStatusCode(); + logger.trace("Status code of operation: {}", responseCode); + final HttpEntity responseEntity = httpResponse.getEntity(); + + if (HttpUtils.isSuccessfulResponseCode(responseCode) ) { + logger.trace("HTTP response successful."); + final String aaiResponse = EntityUtils.toString(responseEntity); + return Optional.of(aaiResponse); + } else { + String aaiResponse = responseEntity != null ? EntityUtils.toString(responseEntity) : ""; + logger.warn("HTTP response not successful : {}", aaiResponse); + return Optional.of(String.valueOf(responseCode)); + } + }; + } + + private HttpRequestBase createHttpRequest(URI extendedURI) { + return isExtendedURINotNull(extendedURI) ? new HttpGet(extendedURI) : null; + } + + private Boolean isExtendedURINotNull(URI extendedURI) { + return extendedURI != null; + } + + private Optional<HttpRequestBase> createRequest(ConsumerDmaapModel consumerDmaapModel) { + final URI extendedURI = createAAIExtendedURI(consumerDmaapModel.getPnfName()); + HttpRequestBase request = createHttpRequest(extendedURI); + aaiHeaders.forEach(Objects.requireNonNull(request)::addHeader); + Objects.requireNonNull(request).addHeader("Content-Type", "application/json"); + return Optional.of(request); + } +} |