/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF 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.
 */
/**
 * This copy of Woodstox XML processor is licensed under the
 * Apache (Software) License, version 2.0 ("the License").
 * See the License for details about distribution rights, and the
 * specific rights regarding derivate works.
 *
 * You may obtain a copy of the License at:
 *
 * http://www.apache.org/licenses/
 *
 * A copy is also included in the downloadable source code package
 * containing Woodstox, in file "ASL2.0", under the same directory
 * as this file.
 */
package org.jooby.internal.undertow;

import com.typesafe.config.Config;

import io.undertow.server.HttpHandler;
import io.undertow.server.HttpServerExchange;
import io.undertow.util.HeaderValues;
import io.undertow.util.Headers;
import io.undertow.util.Protocols;

public class UndertowHandler implements HttpHandler {

  private org.jooby.spi.HttpHandler handler;

  private Config config;

  public UndertowHandler(final org.jooby.spi.HttpHandler handler, final Config config) {
    this.handler = handler;
    this.config = config;
  }

  @Override
  public void handleRequest(final HttpServerExchange exchange) throws Exception {

    if (exchange.isInIoThread()) {
      HeaderValues upgrade = exchange.getRequestHeaders().get(Headers.UPGRADE);
      if (upgrade != null && upgrade.contains("h2c")) {
        // reset protocol
        exchange.setProtocol(Protocols.HTTP_1_1);
      }
      exchange.dispatch(this);
      return;
    }

    handler.handle(new UndertowRequest(exchange, config), new UndertowResponse(exchange));
  }

}
