2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Copyright (C) 2017 Amdocs
8 * =============================================================================
9 * Licensed under the Apache License, Version 2.0 (the "License");
10 * you may not use this file except in compliance with the License.
11 * You may obtain a copy of the License at
13 * http://www.apache.org/licenses/LICENSE-2.0
15 * Unless required by applicable law or agreed to in writing, software
16 * distributed under the License is distributed on an "AS IS" BASIS,
17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18 * See the License for the specific language governing permissions and
19 * limitations under the License.
21 * ============LICENSE_END=========================================================
24 package org.onap.appc.adapter.messaging.dmaap.http;
26 import com.att.eelf.configuration.EELFLogger;
27 import com.att.eelf.configuration.EELFManager;
29 import java.util.ArrayList;
30 import java.util.Collection;
31 import java.util.HashSet;
32 import java.util.List;
34 import org.apache.http.client.methods.CloseableHttpResponse;
35 import org.apache.http.client.methods.HttpPost;
36 import org.apache.http.entity.StringEntity;
37 import org.onap.appc.adapter.message.Producer;
39 public class HttpDmaapProducerImpl extends CommonHttpClient implements Producer {
41 private static final EELFLogger LOG = EELFManager.getInstance().getLogger(HttpDmaapProducerImpl.class);
43 private static final String CONTENT_TYPE = "application/cambria";
44 private static final String URL_TEMPLATE = "%s/events/%s";
46 private List<String> hosts;
47 private Set<String> topics;
49 public HttpDmaapProducerImpl() {
53 public HttpDmaapProducerImpl(Collection<String> urls, String topicName) {
54 topics = new HashSet<>();
55 topics.add(topicName);
57 hosts = new ArrayList<>();
58 for (String host : urls) {
59 hosts.add(formatHostString(host));
64 public void updateCredentials(String user, String pass) {
65 LOG.debug(String.format("Setting auth to %s for %s", user, this.toString()));
66 this.setBasicAuth(user, pass);
70 public boolean post(String partition, String data) {
71 LOG.debug("Entering HttpDmaapProducerImpl::: post ");
74 HttpPost request = postReq(null);
75 request.setHeader("Content-Type", CONTENT_TYPE);
76 request.setEntity(new StringEntity(bodyLine(partition, data)));
78 LOG.debug("Before sendRequest HttpDmaapProducerImpl::: post ");
79 sent = topics.stream()
80 .filter(topic -> sendRequest(request, topic))
83 } catch (Exception buildEx) {
85 String.format("Failed to build request with string [%s]. Message not sent to any topic. Reason: %s",
86 data, buildEx.getMessage()),
89 LOG.debug("Exiting HttpDmaapProducerImpl::: post ");
90 return sent == topics.size();
93 private boolean sendRequest(HttpPost request, String topic) {
94 boolean successful = false;
95 String uriStr = String.format(URL_TEMPLATE, hosts.get(0), topic);
97 request.setURI(new URI(uriStr));
98 LOG.debug("HttpDmaapProducerImpl::: before sendRequest()");
99 CloseableHttpResponse response = getClient().execute(request);
100 LOG.debug("HttpDmaapProducerImpl::: after sendRequest()");
101 if (response.getStatusLine().getStatusCode() == 200) {
105 LOG.debug("HttpDmaapProducerImpl::: did not receive 200 for sendRequest");
108 } catch (Exception sendEx) {
109 LOG.error(String.format("Failed to send message to %s. Reason: %s", uriStr, sendEx.getMessage()),
111 if (hosts.size() > 1) {
112 String failedUrl = hosts.remove(0);
113 hosts.add(failedUrl);
114 LOG.debug(String.format("Moving host %s to the end of the pool. New primary host is %s",
115 failedUrl, hosts.get(0)));
122 * Format the body for the application/cambria content type with no partitioning. See
125 * The message body to format
126 * @return A string in the application/cambria content type
128 private String bodyLine(String partition, String message) {
129 String prt = (partition == null) ? "" : partition;
130 String msg = (message == null) ? "" : message;
131 return String.format("%d.%d.%s%s", prt.length(), msg.length(), prt, msg);