View Javadoc
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 org.apache.http.annotation.ThreadingBehavior;
31  import org.apache.http.annotation.Contract;
32  
33  import java.util.Date;
34  
35  /**
36   * A {@link Throwable} instance along with a time stamp.
37   *
38   * @since 4.0
39   */
40  @Contract(threading = ThreadingBehavior.IMMUTABLE)
41  public class ExceptionEvent {
42  
43      private final Throwable ex;
44      private final long time;
45  
46      public ExceptionEvent(final Throwable ex, final Date timestamp) {
47          super();
48          this.ex = ex;
49          if (timestamp != null) {
50              this.time = timestamp.getTime();
51          } else {
52              this.time = 0;
53          }
54      }
55  
56      public ExceptionEvent(final Exception ex) {
57          this(ex, new Date());
58      }
59  
60      public Throwable getCause() {
61          return ex;
62      }
63  
64      public Date getTimestamp() {
65          return new Date(this.time);
66      }
67  
68      @Override
69      public String toString() {
70          final StringBuilder buffer = new StringBuilder();
71          buffer.append(new Date(this.time));
72          buffer.append(" ");
73          buffer.append(this.ex);
74          return buffer.toString();
75      }
76  
77  }