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    1   /*
    2    *  Licensed to the Apache Software Foundation (ASF) under one
    3    *  or more contributor license agreements.  See the NOTICE file
    4    *  distributed with this work for additional information
    5    *  regarding copyright ownership.  The ASF licenses this file
    6    *  to you under the Apache License, Version 2.0 (the
    7    *  "License"); you may not use this file except in compliance
    8    *  with the License.  You may obtain a copy of the License at
    9    *
    10   *    http://www.apache.org/licenses/LICENSE-2.0
    11   *
    12   *  Unless required by applicable law or agreed to in writing,
    13   *  software distributed under the License is distributed on an
    14   *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    15   *  KIND, either express or implied.  See the License for the
    16   *  specific language governing permissions and limitations
    17   *  under the License.
    18   *
    19   */
    20  package org.apache.mina.proxy.session;
    21
    22  import org.apache.mina.core.future.ConnectFuture;
    23  import org.apache.mina.core.session.IoSession;
    24  import org.apache.mina.core.session.IoSessionInitializer;
    25
    26  /**
    27   * ProxyIoSessionInitializer.java - {@link IoSessionInitializer} wrapper class to inject the
    28   * {@link ProxyIoSession} object that contains all the attributes of the target connection
    29   * into the {@link IoSession}.
    30   *
    31   * @author <a href="http://mina.apache.org">Apache MINA Project</a>
    32   * @since MINA 2.0.0-M3
    33   */
    34  public class ProxyIoSessionInitializer<T extends ConnectFuture> implements IoSessionInitializer<T> {
    35      private final IoSessionInitializer<T> wrappedSessionInitializer;
    36
    37      private final ProxyIoSession proxyIoSession;
    38
    39      public ProxyIoSessionInitializer(final IoSessionInitializer<T> wrappedSessionInitializer,
    40              final ProxyIoSession proxyIoSession) {
    41          this.wrappedSessionInitializer = wrappedSessionInitializer;
    42          this.proxyIoSession = proxyIoSession;
    43      }
    44
    45      public ProxyIoSession getProxySession() {
    46          return proxyIoSession;
    47      }
    48
    49      public void initializeSession(final IoSession session, T future) {
    50          if (wrappedSessionInitializer != null) {
    51              wrappedSessionInitializer.initializeSession(session, future);
    52          }
    53
    54          if (proxyIoSession != null) {
    55              proxyIoSession.setSession(session);
    56              session.setAttribute(ProxyIoSession.PROXY_SESSION, proxyIoSession);
    57          }
    58      }
    59  }