From a274374b520aad75c99cdce7f4f9ebc31ce74343 Mon Sep 17 00:00:00 2001 From: pwielebs Date: Sat, 21 Apr 2018 16:51:20 +0200 Subject: DmaaP http clients added Change-Id: I1acc7e2a46b81b0af9a3b23982582c9e0053ffa1 Issue-ID: DCAEGEN2-451 Signed-off-by: pwielebs --- .../ExtendedDmaapProducerHttpClientImpl.java | 147 +++++++++++++++++++++ 1 file changed, 147 insertions(+) create mode 100644 prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/service/producer/ExtendedDmaapProducerHttpClientImpl.java (limited to 'prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/service/producer/ExtendedDmaapProducerHttpClientImpl.java') diff --git a/prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/service/producer/ExtendedDmaapProducerHttpClientImpl.java b/prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/service/producer/ExtendedDmaapProducerHttpClientImpl.java new file mode 100644 index 00000000..32972273 --- /dev/null +++ b/prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/service/producer/ExtendedDmaapProducerHttpClientImpl.java @@ -0,0 +1,147 @@ +/*- + * ============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.producer; + +import org.apache.http.client.methods.HttpPost; +import org.apache.http.client.methods.HttpRequestBase; +import org.apache.http.client.utils.URIBuilder; +import org.apache.http.entity.StringEntity; +import org.apache.http.impl.client.CloseableHttpClient; +import org.onap.dcaegen2.services.config.DmaapPublisherConfiguration; +import org.onap.dcaegen2.services.service.CommonMethods; +import org.onap.dcaegen2.services.service.DmaapHttpClientImpl; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.io.IOException; +import java.io.UnsupportedEncodingException; +import java.net.URI; +import java.net.URISyntaxException; +import java.util.Optional; + +public class ExtendedDmaapProducerHttpClientImpl { + + private static Logger logger = LoggerFactory.getLogger(ExtendedDmaapProducerHttpClientImpl.class); + + private final CloseableHttpClient closeableHttpClient; + private final String dmaapHostName; + private final String dmaapProtocol; + private final Integer dmaapPortNumber; + private final String dmaapTopicName; + private final String dmaapContentType; + + + ExtendedDmaapProducerHttpClientImpl(DmaapPublisherConfiguration configuration) { + this.closeableHttpClient = new DmaapHttpClientImpl(configuration).getHttpClient(); + this.dmaapHostName = configuration.dmaapHostName(); + this.dmaapProtocol = configuration.dmaapProtocol(); + this.dmaapPortNumber = configuration.dmaapPortNumber(); + this.dmaapTopicName = configuration.dmaapTopicName(); + this.dmaapContentType = configuration.dmaapContentType(); + } + + public Optional getHttpProducerResponse(DmaapPublisherRequestDetails requestDetails) { + + Optional extendedDetails = Optional.empty(); + Optional request = createRequest(requestDetails); + + try { + extendedDetails = closeableHttpClient.execute(request.get(), CommonMethods.dmaapResponseHandler()); + } catch (IOException | NullPointerException e) { + logger.error("Exception while executing HTTP request: {}", e); + } + + if (extendedDetails.isPresent()) { + return extendedDetails; + } else { + return Optional.empty(); + } + } + + private Boolean isExtendedURINotNull(URI extendedURI) { + return extendedURI != null; + } + + private Optional createStringEntity(Optional jsonBody) { + return Optional.of(parseJson(jsonBody).get()); + } + + private Optional parseJson(Optional jsonBody) { + Optional stringEntity = Optional.empty(); + + try { + stringEntity = Optional.of(new StringEntity(jsonBody.get())); + } catch (UnsupportedEncodingException e) { + logger.error("Exception while parsing JSON: {}", e); + } + + return stringEntity; + } + + private Optional createRequest (DmaapPublisherRequestDetails requestDetails) { + + Optional request = Optional.empty(); + final URI extendedURI = createDmaapPublisherExtendedURI(requestDetails); + + if ("application/json".equals(dmaapContentType)) { + request = Optional.of(createRequest(extendedURI, requestDetails)); + request.get().addHeader("Content-type", dmaapContentType); + } + + return request; + } + + private URI createDmaapPublisherExtendedURI(DmaapPublisherRequestDetails requestDetails) { + URI extendedURI = null; + + final URIBuilder uriBuilder = new URIBuilder() + .setScheme(dmaapProtocol) + .setHost(dmaapHostName) + .setPort(dmaapPortNumber) + .setPath(requestDetails.dmaapAPIPath() + "/" + dmaapTopicName); + + try { + logger.info("Building extended URI"); + extendedURI = uriBuilder.build(); + } catch (URISyntaxException e) { + logger.error("Exception while building extended URI: {}", e); + } + + return extendedURI; + } + + private HttpRequestBase createRequest(URI extendedURI, DmaapPublisherRequestDetails requestDetails) { + if (isExtendedURINotNull(extendedURI) && requestDetails.jsonBody().isPresent()) { + return createHttpPost(extendedURI, requestDetails.jsonBody()); + } else { + return null; + } + } + + private HttpPost createHttpPost(URI extendedURI, Optional jsonBody) { + HttpPost post = new HttpPost(extendedURI); + Optional stringEntity = createStringEntity(jsonBody); + post.setEntity(stringEntity.get()); + return post; + } + + +} -- cgit 1.2.3-korg