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1   /*
2    * ====================================================================
3    * Licensed to the Apache Software Foundation (ASF) under one
4    * or more contributor license agreements.  See the NOTICE file
5    * distributed with this work for additional information
6    * regarding copyright ownership.  The ASF licenses this file
7    * to you under the Apache License, Version 2.0 (the
8    * "License"); you may not use this file except in compliance
9    * with the License.  You may obtain a copy of the License at
10   *
11   *   http://www.apache.org/licenses/LICENSE-2.0
12   *
13   * Unless required by applicable law or agreed to in writing,
14   * software distributed under the License is distributed on an
15   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16   * KIND, either express or implied.  See the License for the
17   * specific language governing permissions and limitations
18   * under the License.
19   * ====================================================================
20   *
21   * This software consists of voluntary contributions made by many
22   * individuals on behalf of the Apache Software Foundation.  For more
23   * information on the Apache Software Foundation, please see
24   * <http://www.apache.org/>.
25   *
26   */
27  
28  package org.apache.http.impl.nio.reactor;
29  
30  import java.util.Date;
31  
32  import org.apache.http.annotation.Immutable;
33  
34  /**
35   * A {@link Throwable} instance along with a time stamp.
36   *
37   * @since 4.0
38   */
39  @Immutable
40  public class ExceptionEvent {
41  
42      private final Throwable ex;
43      private final long time;
44  
45      public ExceptionEvent(final Throwable ex, final Date timestamp) {
46          super();
47          this.ex = ex;
48          if (timestamp != null) {
49              this.time = timestamp.getTime();
50          } else {
51              this.time = 0;
52          }
53      }
54  
55      public ExceptionEvent(final Exception ex) {
56          this(ex, new Date());
57      }
58  
59      public Throwable getCause() {
60          return ex;
61      }
62  
63      public Date getTimestamp() {
64          return new Date(this.time);
65      }
66  
67      @Override
68      public String toString() {
69          final StringBuilder buffer = new StringBuilder();
70          buffer.append(new Date(this.time));
71          buffer.append(" ");
72          buffer.append(this.ex);
73          return buffer.toString();
74      }
75  
76  }