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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.channel;
    17
    18  import static org.jboss.netty.channel.Channels.*;
    19
    20  import org.jboss.netty.util.internal.StackTraceSimplifier;
    21
    22  /**
    23   * The default {@link ExceptionEvent} implementation.
    24   *
    25   * @author <a href="http://www.jboss.org/netty/">The Netty Project</a>
    26   * @author <a href="http://gleamynode.net/">Trustin Lee</a>
    27   *
    28   * @version $Rev: 2080 $, $Date: 2010-01-26 18:04:19 +0900 (Tue, 26 Jan 2010) $
    29   *
    30   */
    31  public class DefaultExceptionEvent implements ExceptionEvent {
    32
    33      private final Channel channel;
    34      private final Throwable cause;
    35
    36      /**
    37       * Creates a new instance.
    38       */
    39      public DefaultExceptionEvent(Channel channel, Throwable cause) {
    40          if (channel == null) {
    41              throw new NullPointerException("channel");
    42          }
    43          if (cause == null) {
    44              throw new NullPointerException("cause");
    45          }
    46          this.channel = channel;
    47          this.cause = cause;
    48          StackTraceSimplifier.simplify(cause);
    49      }
    50
    51      public Channel getChannel() {
    52          return channel;
    53      }
    54
    55      public ChannelFuture getFuture() {
    56          return succeededFuture(getChannel());
    57      }
    58
    59      public Throwable getCause() {
    60          return cause;
    61      }
    62
    63      @Override
    64      public String toString() {
    65          return getChannel().toString() + " EXCEPTION: " + cause;
    66      }
    67  }