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   /*
    * Copyright 2012 The Netty Project
    *
    * The Netty Project 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.jboss.netty.channel;
  
  /**
   * ChannelFutureListener implementation which takes another ChannelFuture and notifies it
   * once the operationComplete method was called.
   */
  public final class ChannelFutureNotifier implements ChannelFutureListener {
      private final ChannelFuture future;
  
      public ChannelFutureNotifier(ChannelFuture future) {
          this.future = future;
      }
  
      public void operationComplete(ChannelFuture cf) throws Exception {
          if (cf.isSuccess()) {
              future.setSuccess();
          } else {
              future.setFailure(cf.getCause());
          }
      }
  }