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    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.handler.timeout;
    17
    18  import static org.jboss.netty.channel.Channels.*;
    19
    20  import java.text.DateFormat;
    21  import java.util.Date;
    22  import java.util.Locale;
    23
    24  import org.jboss.netty.channel.Channel;
    25  import org.jboss.netty.channel.ChannelFuture;
    26
    27  /**
    28   * The default {@link IdleStateEvent} implementation.
    29   *
    30   * @author <a href="http://www.jboss.org/netty/">The Netty Project</a>
    31   * @author <a href="http://gleamynode.net/">Trustin Lee</a>
    32   * @version $Rev: 2080 $, $Date: 2010-01-26 18:04:19 +0900 (Tue, 26 Jan 2010) $
    33   */
    34  public class DefaultIdleStateEvent implements IdleStateEvent {
    35
    36      private final Channel channel;
    37      private final IdleState state;
    38      private final long lastActivityTimeMillis;
    39
    40      /**
    41       * Creates a new instance.
    42       */
    43      public DefaultIdleStateEvent(
    44              Channel channel, IdleState state, long lastActivityTimeMillis) {
    45          if (channel == null) {
    46              throw new NullPointerException("channel");
    47          }
    48          if (state == null) {
    49              throw new NullPointerException("state");
    50          }
    51          this.channel = channel;
    52          this.state = state;
    53          this.lastActivityTimeMillis = lastActivityTimeMillis;
    54      }
    55
    56      public Channel getChannel() {
    57          return channel;
    58      }
    59
    60      public ChannelFuture getFuture() {
    61          return succeededFuture(getChannel());
    62      }
    63
    64      public IdleState getState() {
    65          return state;
    66      }
    67
    68      public long getLastActivityTimeMillis() {
    69          return lastActivityTimeMillis;
    70      }
    71
    72      @Override
    73      public String toString() {
    74          return getChannel().toString() + ' ' + getState() + " since " +
    75                 DateFormat.getDateTimeInstance(
    76                         DateFormat.SHORT, DateFormat.SHORT, Locale.US).format(
    77                                 new Date(getLastActivityTimeMillis()));
    78      }
    79  }