/*
* Copyright 2017 ZTE Corporation.
*
* 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.
*/
package org.onap.holmes.engine.resources;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import javax.servlet.http.HttpServletRequest;
import javax.ws.rs.DELETE;
import javax.ws.rs.PUT;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.MediaType;
import lombok.extern.slf4j.Slf4j;
import org.jvnet.hk2.annotations.Service;
import org.onap.holmes.common.dcae.DcaeConfigurationsCache;
import org.onap.holmes.common.dcae.entity.SecurityInfo;
import org.onap.holmes.common.dropwizard.ioc.utils.ServiceLocatorHolder;
import org.onap.holmes.dsa.dmaappolling.Subscriber;
import org.onap.holmes.engine.dmaap.SubscriberAction;
import org.onap.holmes.engine.request.DmaapConfigRequest;
@Service
@Slf4j
//@Api(tags = {"DMaaP Configurations"})
@Path("/dmaap")
public class DmaapConfigurationService {
@PUT
@Produces(MediaType.APPLICATION_JSON)
@ApiOperation(value = "Subscribe to a new topic. "
+ "If the topic already exists, it is replaced with the new configuration.")
@Path("/sub")
public String addSubInfo(
@ApiParam (value = "A JSON object with the fields named name"
+ " and url. Both fields are required.") DmaapConfigRequest config,
@Context HttpServletRequest request){
String url = config.getUrl();
if (url.startsWith("http://")) {
Subscriber subscriber = new Subscriber();
subscriber.setTopic(config.getName());
subscriber.setUrl(url);
SubscriberAction subscriberAction = ServiceLocatorHolder.getLocator()
.getService(SubscriberAction.class);
subscriberAction.removeSubscriber(subscriber);
subscriberAction.addSubscriber(subscriber);
log.info("New configurations applied. Topic Name: " + config.getName() + ", URL: " + url + ".");
return "{\"message\": \"Succeeded!\", \"topic\": \"" + config.getName() + "\"}";
}
return "{\"message\": \"Only the HTTP protocol is supported!\"}";
}
@DELETE
@Path("/sub/{topic}")
@ApiOperation(value = "Unsubscribe a topic from DMaaP.")
@Produces(MediaType.APPLICATION_JSON)
public String removeSubInfo(@PathParam("topic") String topic){
Subscriber subscriber = new Subscriber();
subscriber.setTopic(topic);
SubscriberAction subscriberAction = ServiceLocatorHolder.getLocator()
.getService(SubscriberAction.class);
subscriberAction.removeSubscriber(subscriber);
return "{\"message\": \"Topic unsubscribed.\"}";
}
@PUT
@Produces(MediaType.APPLICATION_JSON)
@Path("/pub")
@ApiOperation(value = "Add/Update a publishing topic. "
+ "If the topic already exists, it is replaced with the new configuration.")
public String updatePubInfo(
@ApiParam (value = "A JSON object with the fields named name"
+ " and url. Both fields are required.") DmaapConfigRequest config,
@Context HttpServletRequest request){
String url = config.getUrl();
if (url.startsWith("http://")) {
SecurityInfo securityInfo = new SecurityInfo();
SecurityInfo.DmaapInfo dmaapInfo = new SecurityInfo().new DmaapInfo();
dmaapInfo.setTopicUrl(config.getUrl());
securityInfo.setDmaapInfo(dmaapInfo);
DcaeConfigurationsCache.addPubSecInfo(config.getName(), securityInfo);
return "{\"message\": \"Succeeded!\", \"topic\": \"" + config.getName() + "\"}";
}
return "{\"message\": \"Only the HTTP protocol is supported!\"}";
}
}