2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
6 * Copyright (C) 2017 Amdocs
7 * ================================================================================
8 * Licensed under the Apache License, Version 2.0 (the "License");
9 * you may not use this file except in compliance with the License.
10 * You may obtain a copy of the License at
12 * http://www.apache.org/licenses/LICENSE-2.0
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
19 * ============LICENSE_END=========================================================
20 * ECOMP is a trademark and service mark of AT&T Intellectual Property.
23 package org.openecomp.appc.adapter.messaging.dmaap.http;
26 import java.util.ArrayList;
27 import java.util.Collection;
28 import java.util.HashSet;
29 import java.util.List;
32 import com.att.eelf.configuration.EELFLogger;
33 import com.att.eelf.configuration.EELFManager;
35 import org.apache.http.client.methods.CloseableHttpResponse;
36 import org.apache.http.client.methods.HttpPost;
37 import org.apache.http.entity.StringEntity;
38 import org.openecomp.appc.adapter.message.Producer;
40 public class HttpDmaapProducerImpl extends CommonHttpClient implements Producer {
42 private static final EELFLogger LOG = EELFManager.getInstance().getLogger(HttpDmaapProducerImpl.class);
44 private static final String CONTENT_TYPE = "application/cambria";
45 private static final String URL_TEMPLATE = "%s/events/%s";
47 private List<String> hosts;
48 private Set<String> topics;
50 private boolean useHttps = false;
52 public HttpDmaapProducerImpl(Collection<String> urls, String topicName) {
53 hosts = new ArrayList<String>();
54 topics = new HashSet<String>();
55 topics.add(topicName);
57 for (String host : urls) {
58 hosts.add(formatHostString(host));
62 public HttpDmaapProducerImpl(Collection<String> urls, Set<String> topicNames) {
63 hosts = new ArrayList<String>();
66 for (String host : urls) {
67 hosts.add(formatHostString(host));
72 public void updateCredentials(String user, String pass) {
73 LOG.debug(String.format("Setting auth to %s for %s", user, this.toString()));
74 this.setBasicAuth(user, pass);
78 public boolean post(String partition, String data) {
81 HttpPost request = postReq(null);
82 request.setHeader("Content-Type", CONTENT_TYPE);
83 request.setEntity(new StringEntity(bodyLine(partition, data)));
85 for (String topic : topics) {
86 String uriStr = String.format(URL_TEMPLATE, hosts.get(0), topic);
88 request.setURI(new URI(uriStr));
89 CloseableHttpResponse response = getClient().execute(request);
90 if (response.getStatusLine().getStatusCode() == 200) {
94 } catch (Exception sendEx) {
95 LOG.error(String.format("Failed to send message to %s. Reason: %s", uriStr, sendEx.getMessage()),
97 if (hosts.size() > 1) {
98 String failedUrl = hosts.remove(0);
100 LOG.debug(String.format("Moving host %s to the end of the pool. New primary host is %s",
101 failedUrl, hosts.get(0)));
105 } catch (Exception buildEx) {
107 String.format("Failed to build request with string [%s]. Message not sent to any topic. Reason: %s",
108 data, buildEx.getMessage()),
111 return sent == topics.size();
115 public void useHttps(boolean yes) {
120 * Format the body for the application/cambria content type with no partitioning.
123 * The message body to format
124 * @return A string in the application/cambria content type
126 private String bodyLine(String partition, String msg) {
127 String p = (partition == null) ? "" : partition;
128 String m = (msg == null) ? "" : msg;
129 return String.format("%d.%d.%s%s", p.length(), m.length(), p, m);
133 public void close() {