View Javadoc

    1   /*
    2    * Copyright 2009 Red Hat, Inc.
    3    *
    4    * Red Hat licenses this file to you under the Apache License, version 2.0
    5    * (the "License"); you may not use this file except in compliance with the
    6    * License.  You may obtain a copy of the License at:
    7    *
    8    *    http://www.apache.org/licenses/LICENSE-2.0
    9    *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
    12   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
    13   * License for the specific language governing permissions and limitations
    14   * under the License.
    15   */
    16  package org.jboss.netty.channel;
    17
    18  import static org.jboss.netty.channel.Channels.*;
    19
    20  import java.net.SocketAddress;
    21
    22  import org.jboss.netty.util.internal.StringUtil;
    23
    24  /**
    25   * The default upstream {@link MessageEvent} implementation.
    26   *
    27   * @author <a href="http://www.jboss.org/netty/">The Netty Project</a>
    28   * @author <a href="http://gleamynode.net/">Trustin Lee</a>
    29   *
    30   * @version $Rev: 2080 $, $Date: 2010-01-26 18:04:19 +0900 (Tue, 26 Jan 2010) $
    31   *
    32   */
    33  public class UpstreamMessageEvent implements MessageEvent {
    34
    35      private final Channel channel;
    36      private final Object message;
    37      private final SocketAddress remoteAddress;
    38
    39      /**
    40       * Creates a new instance.
    41       */
    42      public UpstreamMessageEvent(
    43              Channel channel, Object message, SocketAddress remoteAddress) {
    44
    45          if (channel == null) {
    46              throw new NullPointerException("channel");
    47          }
    48          if (message == null) {
    49              throw new NullPointerException("message");
    50          }
    51          this.channel = channel;
    52          this.message = message;
    53          if (remoteAddress != null) {
    54              this.remoteAddress = remoteAddress;
    55          } else {
    56              this.remoteAddress = channel.getRemoteAddress();
    57          }
    58      }
    59
    60      public Channel getChannel() {
    61          return channel;
    62      }
    63
    64      public ChannelFuture getFuture() {
    65          return succeededFuture(getChannel());
    66      }
    67
    68      public Object getMessage() {
    69          return message;
    70      }
    71
    72      public SocketAddress getRemoteAddress() {
    73          return remoteAddress;
    74      }
    75
    76      @Override
    77      public String toString() {
    78          if (getRemoteAddress() == getChannel().getRemoteAddress()) {
    79              return getChannel().toString() + " RECEIVED: " +
    80                     StringUtil.stripControlCharacters(getMessage());
    81          } else {
    82              return getChannel().toString() + " RECEIVED: " +
    83                     StringUtil.stripControlCharacters(getMessage()) + " from " +
    84                     getRemoteAddress();
    85          }
    86      }
    87  }