--- /dev/null
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP : APPC
+ * ================================================================================
+ * Copyright (C) 2017-2019 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Copyright (C) 2017 Amdocs
+ * =============================================================================
+ * 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.appc.adapter.messaging.dmaap.http;
+
+import com.att.eelf.configuration.EELFLogger;
+import com.att.eelf.configuration.EELFManager;
+import java.net.URI;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+import org.apache.http.client.methods.CloseableHttpResponse;
+import org.apache.http.client.methods.HttpPost;
+import org.apache.http.entity.StringEntity;
+import org.onap.appc.adapter.message.Producer;
+
+public class HttpDmaapProducerImpl extends CommonHttpClient implements Producer {
+
+ private static final EELFLogger LOG = EELFManager.getInstance().getLogger(HttpDmaapProducerImpl.class);
+
+ private static final String CONTENT_TYPE = "application/cambria";
+ private static final String URL_TEMPLATE = "%s/events/%s";
+
+ private List<String> hosts;
+ private Set<String> topics;
+
+ public HttpDmaapProducerImpl() {
+ //for test purposes
+ }
+
+ public HttpDmaapProducerImpl(Collection<String> urls, String topicName, String username, String password) {
+ this(urls, topicName);
+ updateCredentials(username, password);
+ }
+
+ public HttpDmaapProducerImpl(Collection<String> urls, String topicName) {
+ topics = new HashSet<>();
+ topics.add(topicName);
+
+ hosts = new ArrayList<>();
+ for (String host : urls) {
+ hosts.add(formatHostString(host));
+ }
+ }
+
+ @Override
+ public void updateCredentials(String user, String pass) {
+ LOG.debug(String.format("Setting auth to %s for %s", user, this.toString()));
+ this.setBasicAuth(user, pass);
+ }
+
+ @Override
+ public boolean post(String partition, String data) {
+ LOG.debug("Entering HttpDmaapProducerImpl::: post ");
+ long sent = 0;
+ try {
+ HttpPost request = postReq(null);
+ request.setHeader("Content-Type", CONTENT_TYPE);
+ request.setEntity(new StringEntity(bodyLine(partition, data)));
+
+ LOG.debug("Before sendRequest HttpDmaapProducerImpl::: post ");
+ sent = topics.stream()
+ .filter(topic -> sendRequest(request, topic))
+ .count();
+
+ } catch (Exception buildEx) {
+ LOG.error(
+ String.format("Failed to build request with string [%s]. Message not sent to any topic. Reason: %s",
+ data, buildEx.getMessage()),
+ buildEx);
+ }
+ LOG.debug("Exiting HttpDmaapProducerImpl::: post ");
+ return sent == topics.size();
+ }
+
+ private boolean sendRequest(HttpPost request, String topic) {
+ boolean successful = false;
+ String uriStr = String.format(URL_TEMPLATE, hosts.get(0), topic);
+ try {
+ request.setURI(new URI(uriStr));
+ LOG.debug("HttpDmaapProducerImpl::: before sendRequest()");
+ CloseableHttpResponse response = getClient().execute(request);
+ LOG.debug("HttpDmaapProducerImpl::: after sendRequest()");
+ if (response.getStatusLine().getStatusCode() == 200) {
+ successful = true;
+ }
+ else {
+ LOG.debug("HttpDmaapProducerImpl::: did not receive 200 for sendRequest");
+ }
+ response.close();
+ } catch (Exception sendEx) {
+ LOG.error(String.format("Failed to send message to %s. Reason: %s", uriStr, sendEx.getMessage()),
+ sendEx);
+ if (hosts.size() > 1) {
+ String failedUrl = hosts.remove(0);
+ hosts.add(failedUrl);
+ LOG.debug(String.format("Moving host %s to the end of the pool. New primary host is %s",
+ failedUrl, hosts.get(0)));
+ }
+ }
+ return successful;
+ }
+
+ /**
+ * Format the body for the application/cambria content type with no partitioning. See
+ *
+ * @param message
+ * The message body to format
+ * @return A string in the application/cambria content type
+ */
+ private String bodyLine(String partition, String message) {
+ String prt = (partition == null) ? "" : partition;
+ String msg = (message == null) ? "" : message;
+ return String.format("%d.%d.%s%s", prt.length(), msg.length(), prt, msg);
+ }
+
+
+}
Code Review / appc.git / blobdiff