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==========================================================================
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);
35 void onOpen(ServerHandshake arg0);
37 void onClose(int arg0, String arg1, boolean arg2);
39 void onError(Exception e);
42 private static final Logger LOG = LoggerFactory.getLogger(SyncWebSocketClient.class.getName());
43 private String messageToSend;
44 private final List<WebsocketEventHandler> handlers;
46 public SyncWebSocketClient(URI serverUri) {
48 this.handlers = new ArrayList<WebsocketEventHandler>();
51 public SyncWebSocketClient(String uri) throws URISyntaxException {
55 public void addEventHandler(WebsocketEventHandler h) {
59 public void removeEventHandler(WebsocketEventHandler h) {
60 this.handlers.remove(h);
64 public void onClose(int arg0, String arg1, boolean arg2) {
65 LOG.debug("socket closed: {} {} {}", arg0, arg1, arg2);
66 for (WebsocketEventHandler h : this.handlers) {
67 h.onClose(arg0, arg1, arg2);
72 public void onError(Exception arg0) {
73 LOG.warn("error on socket: {}", arg0.getMessage());
74 for (WebsocketEventHandler h : this.handlers) {
80 public void onMessage(String arg0) {
81 LOG.debug("received message: {}", arg0);
82 for (WebsocketEventHandler h : this.handlers) {
83 h.onMessageReceived(arg0);
88 public void onOpen(ServerHandshake arg0) {
89 LOG.debug("socket opened");
90 if (this.messageToSend != null) {
91 LOG.debug("try to send: " + this.messageToSend);
92 this.send(this.messageToSend);
93 this.messageToSend = null;
95 for (WebsocketEventHandler h : this.handlers) {
100 public void openAndSendAsync(String message) {
101 this.messageToSend = message;
105 public void openAndSendAndCloseSync(String message) {
107 this.connectBlocking();
108 } catch (InterruptedException e) {
109 LOG.warn("problem connecting:" + e.getMessage());
110 Thread.currentThread().interrupt();
114 this.closeBlocking();
115 } catch (InterruptedException e) {
116 LOG.warn("problem disconnecting:" + e.getMessage());
117 Thread.currentThread().interrupt();