org.openqa.selenium.grid.server.JeeInterop Maven / Gradle / Ivy

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Selenium automates browsers. That's it! What you do with that power is entirely up to you.

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// 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.server;

import com.google.common.io.ByteStreams;
import org.openqa.selenium.remote.http.HttpHandler;
import org.openqa.selenium.remote.http.HttpRequest;
import org.openqa.selenium.remote.http.HttpResponse;

import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.InputStream;
import java.io.UncheckedIOException;

public class JeeInterop {

  private JeeInterop() {
    // Utility class
  }

  public static void copyResponse(HttpResponse from, HttpServletResponse to) {
    to.setStatus(from.getStatus());
    from.getHeaderNames().forEach(name -> from.getHeaders(name).forEach(value -> to.addHeader(name, value)));

    try (InputStream in = from.getContent().get();
         ServletOutputStream out = to.getOutputStream()) {
      ByteStreams.copy(in, out);
    } catch (IOException e) {
      throw new UncheckedIOException(e);
    }
  }

  public static HttpRequest toHttpRequest(HttpServletRequest source) {
    return new ServletRequestWrappingHttpRequest(source);
  }

  public static void execute(HttpHandler handler, HttpServletRequest request, HttpServletResponse response) {
    copyResponse(handler.execute(toHttpRequest(request)), response);
  }
}