Java tutorial
/* * Copyright (c) 2018, WSO2 Inc. (http://www.wso2.org) All Rights Reserved. * * WSO2 Inc. 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.wso2.carbon.device.mgt.analytics.wsproxy.inbound; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import javax.websocket.CloseReason; import javax.websocket.EndpointConfig; import javax.websocket.OnClose; import javax.websocket.OnError; import javax.websocket.OnMessage; import javax.websocket.OnOpen; import javax.websocket.Session; import javax.websocket.server.PathParam; import javax.websocket.server.ServerEndpoint; /** * Connect to web socket with a tenant */ @ServerEndpoint(value = "/{destination}/t/{tdomain}/{streamname}/{version}") public class TenantSubscriptionEndpoint extends SubscriptionEndpoint { private static final Log log = LogFactory.getLog(TenantSubscriptionEndpoint.class); /** * Web socket onOpen - When client sends a message * * @param session - Users registered session. * @param streamName - StreamName extracted from the ws url. * @param version - Version extracted from the ws url. * @param tdomain - Tenant domain extracted from ws url. */ @OnOpen public void onOpen(Session session, EndpointConfig config, @PathParam("streamname") String streamName, @PathParam("version") String version, @PathParam("tdomain") String tdomain) { if (log.isDebugEnabled()) { log.debug("WebSocket opened, for Session id: " + session.getId() + ", for the Stream:" + streamName); } super.onOpen(session); } /** * Web socket onMessage - When client sens a message * * @param session - Users registered session. * @param message - Status code for web-socket close. * @param streamName - StreamName extracted from the ws url. */ @OnMessage public void onMessage(Session session, String message, @PathParam("streamname") String streamName, @PathParam("tdomain") String tdomain) { if (log.isDebugEnabled()) { log.debug("Received message from client. Message: " + message + ", for Session id: " + session.getId() + ", for tenant domain" + tdomain + ", for the Adaptor:" + streamName); } super.onMessage(session, message); } /** * Web socket onClose - Remove the registered sessions * * @param session - Users registered session. * @param reason - Status code for web-socket close. * @param streamName - StreamName extracted from the ws url. * @param version - Version extracted from the ws url. */ @OnClose public void onClose(Session session, CloseReason reason, @PathParam("streamname") String streamName, @PathParam("version") String version, @PathParam("tdomain") String tdomain) { super.onClose(session, reason, streamName, version, tdomain); } /** * Web socket onError - Remove the registered sessions * * @param session - Users registered session. * @param throwable - Status code for web-socket close. * @param streamName - StreamName extracted from the ws url. * @param version - Version extracted from the ws url. */ @OnError public void onError(Session session, Throwable throwable, @PathParam("streamname") String streamName, @PathParam("version") String version, @PathParam("tdomain") String tdomain) { super.onError(session, throwable, streamName, version, tdomain); } }