+++ /dev/null
-/*******************************************************************************
- * ============LICENSE_START=======================================================
- * org.onap.dmaap
- * ================================================================================
- * Copyright © 2017 AT&T 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=========================================================
- *
- * ECOMP is a trademark and service mark of AT&T Intellectual Property.
- *
- *******************************************************************************/
-package com.att.dmf.mr.metrics.publisher.impl;
-
-import java.io.IOException;
-import java.io.UnsupportedEncodingException;
-import java.net.MalformedURLException;
-import java.net.URLEncoder;
-import java.util.Collection;
-import java.util.LinkedList;
-import java.util.List;
-
-import org.json.JSONArray;
-import org.json.JSONException;
-import org.json.JSONObject;
-
-import com.att.dmf.mr.metrics.publisher.CambriaPublisherUtility;
-import com.att.nsa.apiClient.http.HttpException;
-import com.att.nsa.apiClient.http.HttpObjectNotFoundException;
-
-import jline.internal.Log;
-
-/**
- *
- * @author anowarul.islam
- *
- */
-public class DMaaPCambriaConsumerImpl extends CambriaBaseClient
- implements com.att.dmf.mr.metrics.publisher.CambriaConsumer {
- private final String fTopic;
- private final String fGroup;
- private final String fId;
- private final int fTimeoutMs;
- private final int fLimit;
- private final String fFilter;
-
- /**
- *
- * @param hostPart
- * @param topic
- * @param consumerGroup
- * @param consumerId
- * @param timeoutMs
- * @param limit
- * @param filter
- * @param apiKey
- * @param apiSecret
- */
- public DMaaPCambriaConsumerImpl(Collection<String> hostPart, final String topic, final String consumerGroup,
- final String consumerId, int timeoutMs, int limit, String filter, String apiKey, String apiSecret) throws MalformedURLException {
- super(hostPart, topic + "::" + consumerGroup + "::" + consumerId);
-
- fTopic = topic;
- fGroup = consumerGroup;
- fId = consumerId;
- fTimeoutMs = timeoutMs;
- fLimit = limit;
- fFilter = filter;
-
- setApiCredentials(apiKey, apiSecret);
- }
-
- /**
- * method converts String to list
- *
- * @param str
- * @return
- */
- public static List<String> stringToList(String str) {
- final LinkedList<String> set = new LinkedList<String>();
- if (str != null) {
- final String[] parts = str.trim().split(",");
- for (String part : parts) {
- final String trimmed = part.trim();
- if (trimmed.length() > 0) {
- set.add(trimmed);
- }
- }
- }
- return set;
- }
-
- @Override
- public Iterable<String> fetch() throws IOException {
- // fetch with the timeout and limit set in constructor
- return fetch(fTimeoutMs, fLimit);
- }
-
- @Override
- public Iterable<String> fetch(int timeoutMs, int limit) throws IOException {
- final LinkedList<String> msgs = new LinkedList<String>();
-
- final String urlPath = createUrlPath(timeoutMs, limit);
-
- getLog().info("UEB GET " + urlPath);
- try {
- final JSONObject o = get(urlPath);
-
- if (o != null) {
- final JSONArray a = o.getJSONArray("result");
- if (a != null) {
- for (int i = 0; i < a.length(); i++) {
- msgs.add(a.getString(i));
- }
- }
- }
- } catch (HttpObjectNotFoundException e) {
- // this can happen if the topic is not yet created. ignore.
- Log.error("Failed due to topic is not yet created" + e);
- } catch (JSONException e) {
- // unexpected response
- reportProblemWithResponse();
- Log.error("Failed due to jsonException", e);
- } catch (HttpException e) {
- throw new IOException(e);
- }
-
- return msgs;
- }
-
- public String createUrlPath(int timeoutMs, int limit) {
- final StringBuilder url = new StringBuilder(CambriaPublisherUtility.makeConsumerUrl(fTopic, fGroup, fId));
- final StringBuilder adds = new StringBuilder();
- if (timeoutMs > -1) {
- adds.append("timeout=").append(timeoutMs);
- }
-
- if (limit > -1) {
- if (adds.length() > 0) {
- adds.append("&");
- }
- adds.append("limit=").append(limit);
- }
- if (fFilter != null && fFilter.length() > 0) {
- try {
- if (adds.length() > 0) {
- adds.append("&");
- }
- adds.append("filter=").append(URLEncoder.encode(fFilter, "UTF-8"));
- } catch (UnsupportedEncodingException e) {
- Log.error("Failed due to UnsupportedEncodingException" + e);
- }
- }
- if (adds.length() > 0) {
- url.append("?").append(adds.toString());
- }
- return url.toString();
- }
-
-}
Code Review / dmaap / messagerouter / msgrtr.git / blobdiff