| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| package org.apache.metron.dataservices.rest; |
| |
| import java.util.List; |
| import java.util.Properties; |
| |
| import javax.ws.rs.GET; |
| import javax.ws.rs.Path; |
| import javax.ws.rs.PathParam; |
| import javax.ws.rs.core.Response; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import com.google.inject.Inject; |
| import org.apache.metron.dataservices.auth.AuthTokenFilter; |
| import org.apache.metron.dataservices.kafkaclient.poll.PollingKafkaClient; |
| |
| @Path("/") |
| public class Index |
| { |
| private static final Logger logger = LoggerFactory.getLogger( Index.class ); |
| |
| @Inject |
| private Properties configProps; |
| |
| @AuthTokenFilter |
| @GET |
| @Path("/alerts/{groupId}") |
| public Response getAlerts( @PathParam("groupId") String groupId ) |
| { |
| String zooKeeperHost = configProps.getProperty( "kafkaZookeeperHost" ); |
| logger.info( "kafkaZookeeperHost: " + zooKeeperHost ); |
| String zooKeeperPort = configProps.getProperty( "kafkaZookeeperPort" ); |
| logger.info( "kafkaZookeeperPort: " + zooKeeperPort ); |
| |
| logger.warn( "got groupId from path as: " + groupId ); |
| |
| PollingKafkaClient client = new PollingKafkaClient( zooKeeperHost + ":" + zooKeeperPort, groupId, "test"); |
| List<String> messages = client.fetchMessages(); |
| logger.warn( "found " + messages.size() + " messages in Kafka" ); |
| |
| String respString1 = "<html><body><h2>Messages:</h2><ul>"; |
| String respString2 = "</ul></body></html>"; |
| |
| for( String msg : messages ) |
| { |
| respString1 = respString1 + "<li>" + msg + "</li>"; |
| } |
| |
| return Response.status(200).entity( respString1 + respString2 ).build(); |
| |
| } |
| } |
