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转接远程的http接口,服务器响应正确的数据格式必须是JResponse定义的格式。 客户端websocket使用"org.java-websocket:Java-WebSocket:1.5.2",项目地址https://github.com/TooTallNate/Java-WebSocket; 对Java-WebSocket做了适当修改。

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/*
 * Copyright (c) 2010-2020 Nathan Rajlich
 *
 *  Permission is hereby granted, free of charge, to any person
 *  obtaining a copy of this software and associated documentation
 *  files (the "Software"), to deal in the Software without
 *  restriction, including without limitation the rights to use,
 *  copy, modify, merge, publish, distribute, sublicense, and/or sell
 *  copies of the Software, and to permit persons to whom the
 *  Software is furnished to do so, subject to the following
 *  conditions:
 *
 *  The above copyright notice and this permission notice shall be
 *  included in all copies or substantial portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 *  OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 *  HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 *  WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 *  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 *  OTHER DEALINGS IN THE SOFTWARE.
 */

package org.java_websocket;

import org.java_websocket.drafts.Draft;
import org.java_websocket.exceptions.InvalidDataException;
import org.java_websocket.framing.Framedata;
import org.java_websocket.framing.PingFrame;
import org.java_websocket.framing.PongFrame;
import org.java_websocket.handshake.ClientHandshake;
import org.java_websocket.handshake.HandshakeImpl1Server;
import org.java_websocket.handshake.ServerHandshake;
import org.java_websocket.handshake.ServerHandshakeBuilder;

/**
 * This class default implements all methods of the WebSocketListener that can be overridden
 * optionally when advances functionalities is needed.
**/ public abstract class WebSocketAdapter implements WebSocketListener { private PingFrame pingFrame; /** * This default implementation does not do anything. Go ahead and overwrite it. * * @see org.java_websocket.WebSocketListener#onWebsocketHandshakeReceivedAsServer(WebSocket, * Draft, ClientHandshake) */ @Override public ServerHandshakeBuilder onWebsocketHandshakeReceivedAsServer(WebSocket conn, Draft draft, ClientHandshake request) throws InvalidDataException { return new HandshakeImpl1Server(); } @Override public void onWebsocketHandshakeReceivedAsClient(WebSocket conn, ClientHandshake request, ServerHandshake response) throws InvalidDataException { //To overwrite } /** * This default implementation does not do anything which will cause the connections to always * progress. * * @see org.java_websocket.WebSocketListener#onWebsocketHandshakeSentAsClient(WebSocket, * ClientHandshake) */ @Override public void onWebsocketHandshakeSentAsClient(WebSocket conn, ClientHandshake request) throws InvalidDataException { //To overwrite } /** * This default implementation will send a pong in response to the received ping. The pong frame * will have the same payload as the ping frame. * * @see org.java_websocket.WebSocketListener#onWebsocketPing(WebSocket, Framedata) */ @Override public void onWebsocketPing(WebSocket conn, Framedata f) { conn.sendFrame(new PongFrame((PingFrame) f)); } /** * This default implementation does not do anything. Go ahead and overwrite it. * * @see org.java_websocket.WebSocketListener#onWebsocketPong(WebSocket, Framedata) */ @Override public void onWebsocketPong(WebSocket conn, Framedata f) { //To overwrite } /** * Default implementation for onPreparePing, returns a (cached) PingFrame that has no application * data. * * @param conn The WebSocket connection from which the ping frame will be sent. * @return PingFrame to be sent. * @see org.java_websocket.WebSocketListener#onPreparePing(WebSocket) */ @Override public PingFrame onPreparePing(WebSocket conn) { if (pingFrame == null) { pingFrame = new PingFrame(); } return pingFrame; } }




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