engine-d/src/main/java/org/onap/holmes/engine/resources/DmaapConfigurationService.java

   1 /*
   2  * Copyright 2017 ZTE Corporation.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package org.onap.holmes.engine.resources;
  18
  19 import io.swagger.annotations.ApiOperation;
  20 import io.swagger.annotations.ApiParam;
  21 import javax.servlet.http.HttpServletRequest;
  22 import javax.ws.rs.DELETE;
  23 import javax.ws.rs.PUT;
  24 import javax.ws.rs.Path;
  25 import javax.ws.rs.PathParam;
  26 import javax.ws.rs.Produces;
  27 import javax.ws.rs.core.Context;
  28 import javax.ws.rs.core.MediaType;
  29 import lombok.extern.slf4j.Slf4j;
  30 import org.jvnet.hk2.annotations.Service;
  31 import org.onap.holmes.common.dcae.DcaeConfigurationsCache;
  32 import org.onap.holmes.common.dcae.entity.SecurityInfo;
  33 import org.onap.holmes.common.dropwizard.ioc.utils.ServiceLocatorHolder;
  34 import org.onap.holmes.dsa.dmaappolling.Subscriber;
  35 import org.onap.holmes.engine.dmaap.SubscriberAction;
  36 import org.onap.holmes.engine.request.DmaapConfigRequest;
  37
  38 @Service
  39 @Slf4j
  40 //@Api(tags = {"DMaaP Configurations"})
  41 @Path("/dmaap")
  42 public class DmaapConfigurationService {
  43     @PUT
  44     @Produces(MediaType.APPLICATION_JSON)
  45     @ApiOperation(value = "Subscribe to a new topic. "
  46             + "If the topic already exists, it is replaced with the new configuration.")
  47     @Path("/sub")
  48     public String addSubInfo(
  49             @ApiParam (value = "A JSON object with the fields named <b>name</b>"
  50                     + " and <b>url</b>. Both fields are required.") DmaapConfigRequest config,
  51             @Context HttpServletRequest request){
  52         String url = config.getUrl();
  53         if (url.startsWith("http://") || url.startsWith("https://")) {
  54             Subscriber subscriber = new Subscriber();
  55             subscriber.setTopic(config.getName());
  56             subscriber.setUrl(url);
  57
  58             SubscriberAction subscriberAction = ServiceLocatorHolder.getLocator()
  59                     .getService(SubscriberAction.class);
  60             subscriberAction.removeSubscriber(subscriber);
  61             subscriberAction.addSubscriber(subscriber);
  62
  63             log.info("New configurations applied. Topic Name: " + config.getName() + ", URL: " + url + ".");
  64
  65             return "{\"message\": \"Succeeded!\", \"topic\": \"" + config.getName() + "\"}";
  66         }
  67         return "{\"message\": \"Only the HTTP or HTTPS protocol is supported!\"}";
  68     }
  69
  70     @DELETE
  71     @Path("/sub/{topic}")
  72     @ApiOperation(value = "Unsubscribe a topic from DMaaP.")
  73     @Produces(MediaType.APPLICATION_JSON)
  74     public String removeSubInfo(@PathParam("topic") String topic){
  75         Subscriber subscriber = new Subscriber();
  76         subscriber.setTopic(topic);
  77
  78         SubscriberAction subscriberAction = ServiceLocatorHolder.getLocator()
  79                 .getService(SubscriberAction.class);
  80         subscriberAction.removeSubscriber(subscriber);
  81
  82         return "{\"message\": \"Topic unsubscribed.\"}";
  83     }
  84
  85     @PUT
  86     @Produces(MediaType.APPLICATION_JSON)
  87     @Path("/pub")
  88     @ApiOperation(value = "Add/Update a publishing topic. "
  89             + "If the topic already exists, it is replaced with the new configuration.")
  90     public String updatePubInfo(
  91             @ApiParam (value = "A JSON object with the fields named <b>name</b>"
  92                 + " and <b>url</b>. Both fields are required.") DmaapConfigRequest config,
  93             @Context HttpServletRequest request){
  94         String url = config.getUrl();
  95         if (url.startsWith("http://") || url.startsWith("https://")) {
  96             SecurityInfo securityInfo = new SecurityInfo();
  97             SecurityInfo.DmaapInfo dmaapInfo = new SecurityInfo().new DmaapInfo();
  98             dmaapInfo.setTopicUrl(config.getUrl());
  99             securityInfo.setDmaapInfo(dmaapInfo);
 100             DcaeConfigurationsCache.addPubSecInfo(config.getName(), securityInfo);
 101             return "{\"message\": \"Succeeded!\", \"topic\": \"" + config.getName() + "\"}";
 102         }
 103         return "{\"message\": \"Only the HTTP or HTTPS protocol is supported!\"}";
 104     }
 105 }