diff options
Diffstat (limited to 'prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/prh/service/consumer')
-rw-r--r-- | prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/prh/service/consumer/ExtendedDmaapConsumerHttpClientImpl.java | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/prh/service/consumer/ExtendedDmaapConsumerHttpClientImpl.java b/prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/prh/service/consumer/ExtendedDmaapConsumerHttpClientImpl.java new file mode 100644 index 00000000..2b46f51b --- /dev/null +++ b/prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/prh/service/consumer/ExtendedDmaapConsumerHttpClientImpl.java @@ -0,0 +1,141 @@ +/*- + * ============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.consumer; + +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.DmaapConsumerConfiguration; +import org.onap.dcaegen2.services.prh.service.DmaapHttpClientImpl; +import org.onap.dcaegen2.services.prh.service.HttpUtils; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.io.IOException; +import java.net.URI; +import java.net.URISyntaxException; +import java.util.Optional; + + +public class ExtendedDmaapConsumerHttpClientImpl { + + private static Logger logger = LoggerFactory.getLogger(ExtendedDmaapConsumerHttpClientImpl.class); + + private final CloseableHttpClient closeableHttpClient; + private final String dmaapHostName; + private final String dmaapProtocol; + private final Integer dmaapPortNumber; + private final String dmaapTopicName; + private final String consumerGroup; + private final String consumerId; + private final String dmaapContentType; + + + public ExtendedDmaapConsumerHttpClientImpl(DmaapConsumerConfiguration configuration) { + this.closeableHttpClient = new DmaapHttpClientImpl(configuration).getHttpClient(); + this.dmaapHostName = configuration.dmaapHostName(); + this.dmaapProtocol = configuration.dmaapProtocol(); + this.dmaapPortNumber = configuration.dmaapPortNumber(); + this.dmaapTopicName = configuration.dmaapTopicName(); + this.consumerGroup = configuration.consumerGroup(); + this.consumerId = configuration.consumerId(); + this.dmaapContentType = configuration.dmaapContentType(); + } + + public Optional<String> getHttpConsumerResponse() { + + Optional<String> extendedDetails = Optional.empty(); + Optional<HttpRequestBase> request = createRequest(); + + try { + extendedDetails = closeableHttpClient.execute(request.get(), dmaapConsumerResponseHandler()); + } catch (IOException | NullPointerException e) { + logger.error("Exception while executing HTTP request: {}", e); + } + + return extendedDetails; + } + + private static HttpRequestBase createHttpRequest(URI extendedURI) { + if (isExtendedURINotNull(extendedURI)) { + return new HttpGet(extendedURI); + } + + return null; + } + + private static Boolean isExtendedURINotNull(URI extendedURI) { + return extendedURI != null; + } + + private Optional<HttpRequestBase> createRequest() { + + Optional<HttpRequestBase> request = Optional.empty(); + final URI extendedURI = createDmaapConsumerExtendedURI(); + + if ("application/json".equals(dmaapContentType)) { + request = Optional.ofNullable(createHttpRequest(extendedURI)); + request.get().addHeader("Content-type", dmaapContentType); + } + + return request; + } + + private String createRequestPath() { + return dmaapTopicName + "/" + consumerGroup + "/" + consumerId; + } + + private URI createDmaapConsumerExtendedURI() { + try { + return new URIBuilder() + .setScheme(dmaapProtocol) + .setHost(dmaapHostName) + .setPort(dmaapPortNumber) + .setPath(createRequestPath()).build(); + } catch (URISyntaxException e) { + throw new RuntimeException("Exception while building extended URI: {}", e); + } + } + + private ResponseHandler<Optional<String>> dmaapConsumerResponseHandler() { + return httpResponse -> { + final int responseCode = httpResponse.getStatusLine().getStatusCode(); + logger.info("Status code of operation: {}", responseCode); + final HttpEntity responseEntity = httpResponse.getEntity(); + + if (HttpUtils.isSuccessfulResponseCode(responseCode)) { + logger.info("HTTP response successful."); + final String dmaapResponse = EntityUtils.toString(responseEntity); + return Optional.of(dmaapResponse); + } else { + String dmaapResponse = responseEntity != null ? EntityUtils.toString(responseEntity) : ""; + logger.error("HTTP response not successful : {}", dmaapResponse); + return Optional.of(String.valueOf(responseCode)); + } + }; + } +} + + |