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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  
18  package org.apache.commons.proxy2.interceptor;
19  
20  import org.apache.commons.proxy2.Interceptor;
21  import org.apache.commons.proxy2.Invocation;
22  import org.apache.commons.proxy2.ObjectProvider;
23  
24  public class ThrowingInterceptor implements Interceptor
25  {
26      private static final long serialVersionUID = 1L;
27  
28      //******************************************************************************************************************
29      // Fields
30      //******************************************************************************************************************
31  
32      private final ObjectProvider<? extends Exception> provider;
33  
34      //******************************************************************************************************************
35      // Constructors
36      //******************************************************************************************************************
37  
38      public ThrowingInterceptor(ObjectProvider<? extends Exception> provider)
39      {
40          this.provider = provider;
41      }
42  
43      //******************************************************************************************************************
44      // Interceptor Implementation
45      //******************************************************************************************************************
46  
47      @Override
48      public Object intercept(Invocation invocation) throws Throwable
49      {
50          throw provider.getObject();
51      }
52  }