1 /*******************************************************************************
2 * ============LICENSE_START========================================================================
3 * ONAP : ccsdk feature sdnr wt
4 * =================================================================================================
5 * Copyright (C) 2019 highstreet technologies GmbH Intellectual Property. All rights reserved.
6 * =================================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
8 * in compliance with the License. You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software distributed under the License
13 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
14 * or implied. See the License for the specific language governing permissions and limitations under
16 * ============LICENSE_END==========================================================================
17 ******************************************************************************/
18 package org.onap.ccsdk.features.sdnr.wt.websocketmanager2.websocket;
21 import java.net.URISyntaxException;
22 import java.util.ArrayList;
23 import java.util.List;
25 import org.java_websocket.client.WebSocketClient;
26 import org.java_websocket.handshake.ServerHandshake;
27 import org.slf4j.Logger;
28 import org.slf4j.LoggerFactory;
30 public class SyncWebSocketClient extends WebSocketClient {
32 public interface WebsocketEventHandler{
33 void onMessageReceived(String message);
34 void onOpen(ServerHandshake arg0);
35 void onClose(int arg0, String arg1, boolean arg2);
36 void onError(Exception e);
39 private static final Logger LOG = LoggerFactory.getLogger(SyncWebSocketClient.class.getName());
40 private String messageToSend;
41 private final List<WebsocketEventHandler> handlers;
42 public SyncWebSocketClient(URI serverUri) {
44 this.handlers = new ArrayList<WebsocketEventHandler>();
47 public SyncWebSocketClient(String uri) throws URISyntaxException {
50 public void addEventHandler(WebsocketEventHandler h) {
53 public void removeEventHandler(WebsocketEventHandler h) {
54 this.handlers.remove(h);
58 public void onClose(int arg0, String arg1, boolean arg2) {
59 LOG.debug("socket closed: {} {} {}", arg0, arg1, arg2);
60 for(WebsocketEventHandler h:this.handlers) {
61 h.onClose(arg0,arg1,arg2);
66 public void onError(Exception arg0) {
67 LOG.warn("error on socket: {}", arg0.getMessage());
68 for(WebsocketEventHandler h:this.handlers) {
74 public void onMessage(String arg0) {
75 LOG.debug("received message: {}", arg0);
76 for(WebsocketEventHandler h:this.handlers) {
77 h.onMessageReceived(arg0);
82 public void onOpen(ServerHandshake arg0) {
83 LOG.debug("socket opened");
84 if (this.messageToSend != null) {
85 LOG.debug("try to send: " + this.messageToSend);
86 this.send(this.messageToSend);
87 this.messageToSend = null;
89 for(WebsocketEventHandler h:this.handlers) {
94 public void openAndSendAsync(String message) {
95 this.messageToSend = message;
99 public void openAndSendAndCloseSync(String message) {
101 this.connectBlocking();
102 } catch (InterruptedException e) {
103 LOG.warn("problem connecting:" + e.getMessage());
104 Thread.currentThread().interrupt();
108 this.closeBlocking();
109 } catch (InterruptedException e) {
110 LOG.warn("problem disconnecting:" + e.getMessage());
111 Thread.currentThread().interrupt();