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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  package org.apache.http;
28  
29  /**
30   * @since 4.4
31   */
32  public interface ExceptionLogger {
33  
34      public static final ExceptionLogger NO_OP = new ExceptionLogger() {
35  
36          @Override
37          public void log(final Exception ex) {
38          }
39  
40      };
41  
42      public static final ExceptionLogger STD_ERR = new ExceptionLogger() {
43  
44          @Override
45          public void log(final Exception ex) {
46              ex.printStackTrace();
47          }
48  
49      };
50  
51      void log(Exception ex);
52  
53  }