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

   1 /*
   2  * Copyright 2017-2022 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 jakarta.ws.rs.Path;
  22 import jakarta.ws.rs.core.MediaType;
  23 import lombok.extern.slf4j.Slf4j;
  24 import org.onap.holmes.common.dcae.DcaeConfigurationsCache;
  25 import org.onap.holmes.common.dcae.entity.SecurityInfo;
  26 import org.onap.holmes.common.utils.SpringContextUtil;
  27 import org.onap.holmes.dsa.dmaappolling.Subscriber;
  28 import org.onap.holmes.engine.dmaap.SubscriberAction;
  29 import org.onap.holmes.engine.request.DmaapConfigRequest;
  30 import org.springframework.web.bind.annotation.*;
  31
  32 @Slf4j
  33 @RestController
  34 @RequestMapping("/dmaap")
  35 public class DmaapConfigurationService {
  36     @ApiOperation(value = "Subscribe to a new topic. "
  37             + "If the topic already exists, it is replaced with the new configuration.")
  38     @RequestMapping(value = "/sub", method = RequestMethod.PUT, produces = MediaType.APPLICATION_JSON)
  39     public String addSubInfo(
  40             @ApiParam(value = "A JSON object with the fields named <b>name</b>"
  41                     + " and <b>url</b>. Both fields are required.")
  42             @RequestBody DmaapConfigRequest config) {
  43         String url = config.getUrl();
  44         if (url.startsWith("http://") || url.startsWith("https://")) {
  45             Subscriber subscriber = new Subscriber();
  46             subscriber.setTopic(config.getName());
  47             subscriber.setUrl(url);
  48
  49             SubscriberAction subscriberAction = SpringContextUtil.getBean(SubscriberAction.class);
  50             subscriberAction.removeSubscriber(subscriber);
  51             subscriberAction.addSubscriber(subscriber);
  52
  53             log.info("New configurations applied. Topic Name: " + config.getName() + ", URL: " + url + ".");
  54
  55             return "{\"message\": \"Succeeded!\", \"topic\": \"" + config.getName() + "\"}";
  56         }
  57         return "{\"message\": \"Only the HTTP or HTTPS protocol is supported!\"}";
  58     }
  59
  60     @Path("/sub/{topic}")
  61     @ApiOperation(value = "Unsubscribe a topic from DMaaP.")
  62     @RequestMapping(value = "/sub/{topic}", method = RequestMethod.DELETE, produces = MediaType.APPLICATION_JSON)
  63     public String removeSubInfo(@PathVariable("topic") String topic) {
  64         Subscriber subscriber = new Subscriber();
  65         subscriber.setTopic(topic);
  66
  67         SubscriberAction subscriberAction = SpringContextUtil.getBean(SubscriberAction.class);
  68         subscriberAction.removeSubscriber(subscriber);
  69
  70         return "{\"message\": \"Topic unsubscribed.\"}";
  71     }
  72
  73     @ApiOperation(value = "Add/Update a publishing topic. "
  74             + "If the topic already exists, it is replaced with the new configuration.")
  75     @RequestMapping(value = "/pub", method = RequestMethod.PUT, produces = MediaType.APPLICATION_JSON)
  76     public String updatePubInfo(
  77             @ApiParam(value = "A JSON object with the fields named <b>name</b>"
  78                     + " and <b>url</b>. Both fields are required.")
  79             @RequestBody DmaapConfigRequest config) {
  80         String url = config.getUrl();
  81         if (url.startsWith("http://") || url.startsWith("https://")) {
  82             SecurityInfo securityInfo = new SecurityInfo();
  83             SecurityInfo.DmaapInfo dmaapInfo = new SecurityInfo().new DmaapInfo();
  84             dmaapInfo.setTopicUrl(config.getUrl());
  85             securityInfo.setDmaapInfo(dmaapInfo);
  86             DcaeConfigurationsCache.addPubSecInfo(config.getName(), securityInfo);
  87             return "{\"message\": \"Succeeded!\", \"topic\": \"" + config.getName() + "\"}";
  88         }
  89         return "{\"message\": \"Only the HTTP or HTTPS protocol is supported!\"}";
  90     }
  91 }