content: /*
   * 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.
   */
  package org.apache.activemq.transport.amqp.client.transport;
  
  import java.net.URI;
  import java.util.Map;
  
  import org.apache.activemq.transport.amqp.client.util.PropertyUtil;
  
  /**
   * Factory for creating the Netty based TCP Transport.
   */
  public final class NettyTransportFactory {
  
      private NettyTransportFactory() {}
  
      /**
       * Creates an instance of the given Transport and configures it using the
       * properties set on the given remote broker URI.
       *
       * @param remoteURI
       *        The URI used to connect to a remote Peer.
       *
       * @return a new Transport instance.
       *
       * @throws Exception if an error occurs while creating the Transport instance.
       */
      public static NettyTransport createTransport(URI remoteURI) throws Exception {
          Map<String, String> map = PropertyUtil.parseQuery(remoteURI.getQuery());
          Map<String, String> transportURIOptions = PropertyUtil.filterProperties(map, "transport.");
          NettyTransportOptions transportOptions = null;
  
          remoteURI = PropertyUtil.replaceQuery(remoteURI, map);
  
          if (!remoteURI.getScheme().equalsIgnoreCase("ssl") && !remoteURI.getScheme().equalsIgnoreCase("wss")) {
              transportOptions = NettyTransportOptions.INSTANCE.clone();
          } else {
              transportOptions = NettyTransportSslOptions.INSTANCE.clone();
          }
  
          Map<String, String> unused = PropertyUtil.setProperties(transportOptions, transportURIOptions);
          if (!unused.isEmpty()) {
              String msg = " Not all transport options could be set on the TCP based" +
                           " Transport. Check the options are spelled correctly." +
                           " Unused parameters=[" + unused + "]." +
                           " This provider instance cannot be started.";
              throw new IllegalArgumentException(msg);
          }
  
          NettyTransport result = null;
  
          switch (remoteURI.getScheme().toLowerCase()) {
              case "tcp":
              case "ssl":
                  result = new NettyTcpTransport(remoteURI, transportOptions);
                  break;
              case "ws":
              case "wss":
                  result = new NettyWSTransport(remoteURI, transportOptions);
                  break;
              default:
                  throw new IllegalArgumentException("Invalid URI Scheme: " + remoteURI.getScheme());
          }
  
          return result;
      }
  }
  