1 files changed, 131 insertions, 0 deletions
diff --git a/prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/service/consumer/ExtendedDmaapConsumerHttpClientImpl.java b/prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/service/consumer/ExtendedDmaapConsumerHttpClientImpl.java
new file mode 100644
index 00000000..30d7ad86
--- /dev/null
+++ b/prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/service/consumer/ExtendedDmaapConsumerHttpClientImpl.java
@@ -0,0 +1,131 @@
+/*-
+ * ============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.consumer;
+
+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.onap.dcaegen2.services.config.DmaapConsumerConfiguration;
+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.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(), CommonMethods.dmaapResponseHandler());
+        } catch (IOException | NullPointerException e) {
+            logger.error("Exception while executing HTTP request: {}", e);
+        }
+
+        if (extendedDetails.isPresent()) {
+            return extendedDetails;
+        } else {
+            return Optional.empty();
+        }
+    }
+
+    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.of(createHttpRequest(extendedURI));
+            request.get().addHeader("Content-type", dmaapContentType);
+        }
+
+        return request;
+    }
+
+    private String createRequestPath() {
+        return dmaapTopicName + "/" + consumerGroup + "/" + consumerId;
+    }
+
+    private URI createDmaapConsumerExtendedURI() {
+        URI extendedURI = null;
+
+        final URIBuilder uriBuilder = new URIBuilder()
+                .setScheme(dmaapProtocol)
+                .setHost(dmaapHostName)
+                .setPort(dmaapPortNumber)
+                .setPath(createRequestPath());
+
+        try {
+            logger.info("Building extended URI");
+            extendedURI = uriBuilder.build();
+        } catch (URISyntaxException e) {
+            logger.error("Exception while building extended URI: {}", e);
+        }
+
+        return extendedURI;
+    }
+}
+
+