2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017 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 * ECOMP is a trademark and service mark of AT&T Intellectual Property.
22 * ============LICENSE_END=========================================================
25 package org.openecomp.appc.adapter.messaging.dmaap.http;
28 import java.util.ArrayList;
29 import java.util.Collection;
30 import java.util.HashSet;
31 import java.util.List;
34 import com.att.eelf.configuration.EELFLogger;
35 import com.att.eelf.configuration.EELFManager;
37 import org.apache.http.client.methods.CloseableHttpResponse;
38 import org.apache.http.client.methods.HttpPost;
39 import org.apache.http.entity.StringEntity;
40 import org.openecomp.appc.adapter.message.Producer;
42 public class HttpDmaapProducerImpl extends CommonHttpClient implements Producer {
44 private static final EELFLogger LOG = EELFManager.getInstance().getLogger(HttpDmaapProducerImpl.class);
46 private static final String CONTENT_TYPE = "application/cambria";
47 private static final String URL_TEMPLATE = "%s/events/%s";
49 private List<String> hosts;
50 private Set<String> topics;
52 private boolean useHttps = false;
54 public HttpDmaapProducerImpl(Collection<String> urls, String topicName) {
55 hosts = new ArrayList<String>();
56 topics = new HashSet<String>();
57 topics.add(topicName);
59 for (String host : urls) {
60 hosts.add(formatHostString(host));
64 public HttpDmaapProducerImpl(Collection<String> urls, Set<String> topicNames) {
65 hosts = new ArrayList<String>();
68 for (String host : urls) {
69 hosts.add(formatHostString(host));
74 public void updateCredentials(String user, String pass) {
75 LOG.debug(String.format("Setting auth to %s for %s", user, this.toString()));
76 this.setBasicAuth(user, pass);
80 public boolean post(String partition, String data) {
83 HttpPost request = postReq(null);
84 request.setHeader("Content-Type", CONTENT_TYPE);
85 request.setEntity(new StringEntity(bodyLine(partition, data)));
87 for (String topic : topics) {
88 String uriStr = String.format(URL_TEMPLATE, hosts.get(0), topic);
90 request.setURI(new URI(uriStr));
91 CloseableHttpResponse response = getClient().execute(request);
92 if (response.getStatusLine().getStatusCode() == 200) {
96 } catch (Exception sendEx) {
97 LOG.error(String.format("Failed to send message to %s. Reason: %s", uriStr, sendEx.getMessage()),
99 if (hosts.size() > 1) {
100 String failedUrl = hosts.remove(0);
101 hosts.add(failedUrl);
102 LOG.debug(String.format("Moving host %s to the end of the pool. New primary host is %s",
103 failedUrl, hosts.get(0)));
107 } catch (Exception buildEx) {
109 String.format("Failed to build request with string [%s]. Message not sent to any topic. Reason: %s",
110 data, buildEx.getMessage()),
113 return sent == topics.size();
117 public void useHttps(boolean yes) {
122 * Format the body for the application/cambria content type with no partitioning.
125 * The message body to format
126 * @return A string in the application/cambria content type
128 private String bodyLine(String partition, String msg) {
129 String p = (partition == null) ? "" : partition;
130 String m = (msg == null) ? "" : msg;
131 return String.format("%d.%d.%s%s", p.length(), m.length(), p, m);
135 public void close() {