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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.protocols;

import java.util.regex.Pattern;

/**
 * Class which represents the protocol used as Sec-WebSocket-Protocol
 *
 * @since 1.3.7
 */
public class Protocol implements IProtocol {

  private static final Pattern patternSpace = Pattern.compile(" ");
  private static final Pattern patternComma = Pattern.compile(",");

  /**
   * Attribute for the provided protocol
   */
  private final String providedProtocol;

  /**
   * Constructor for a Sec-Websocket-Protocol
   *
   * @param providedProtocol the protocol string
   */
  public Protocol(String providedProtocol) {
    if (providedProtocol == null) {
      throw new IllegalArgumentException();
    }
    this.providedProtocol = providedProtocol;
  }

  @Override
  public boolean acceptProvidedProtocol(String inputProtocolHeader) {
    if ("".equals(providedProtocol)) {
      return true;
    }
    String protocolHeader = patternSpace.matcher(inputProtocolHeader).replaceAll("");
    String[] headers = patternComma.split(protocolHeader);
    for (String header : headers) {
      if (providedProtocol.equals(header)) {
        return true;
      }
    }
    return false;
  }

  @Override
  public String getProvidedProtocol() {
    return this.providedProtocol;
  }

  @Override
  public IProtocol copyInstance() {
    return new Protocol(getProvidedProtocol());
  }

  @Override
  public String toString() {
    return getProvidedProtocol();
  }

  @Override
  public boolean equals(Object o) {
    if (this == o) {
      return true;
    }
    if (o == null || getClass() != o.getClass()) {
      return false;
    }

    Protocol protocol = (Protocol) o;

    return providedProtocol.equals(protocol.providedProtocol);
  }

  @Override
  public int hashCode() {
    return providedProtocol.hashCode();
  }
}




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