org.openqa.selenium.grid.node.ProtocolConvertingSession Maven / Gradle / Ivy

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There is a newer version: 4.0.0-alpha-2

// Licensed to the Software Freedom Conservancy (SFC) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The SFC 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.openqa.selenium.grid.node;

import static org.openqa.selenium.remote.http.HttpMethod.DELETE;

import org.openqa.selenium.Capabilities;
import org.openqa.selenium.grid.web.CommandHandler;
import org.openqa.selenium.grid.web.ProtocolConverter;
import org.openqa.selenium.grid.web.ReverseProxyHandler;
import org.openqa.selenium.remote.Dialect;
import org.openqa.selenium.remote.SessionId;
import org.openqa.selenium.remote.http.HttpClient;
import org.openqa.selenium.remote.http.HttpRequest;
import org.openqa.selenium.remote.http.HttpResponse;

import java.io.IOException;
import java.net.URL;
import java.util.Objects;

public abstract class ProtocolConvertingSession extends BaseActiveSession {

  private final CommandHandler handler;
  private final String killUrl;

  protected ProtocolConvertingSession(
      HttpClient client,
      SessionId id,
      URL url,
      Dialect downstream,
      Dialect upstream,
      Capabilities capabilities) {
    super(id, url, downstream, upstream, capabilities);

    Objects.requireNonNull(client);

    if (downstream.equals(upstream)) {
      this.handler = new ReverseProxyHandler(client);
    } else {
      this.handler = new ProtocolConverter(client, downstream, upstream);
    }

    this.killUrl = "/session/" + id;
  }

  @Override
  public void execute(HttpRequest req, HttpResponse resp) throws IOException {
    handler.execute(req, resp);
    if (req.getMethod() == DELETE && killUrl.equals(req.getUri())) {
      stop();
    }
  }
}