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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  package org.apache.commons.pool2.proxy;
18  
19  import java.lang.reflect.Method;
20  
21  import org.apache.commons.pool2.UsageTracking;
22  
23  import net.sf.cglib.proxy.MethodInterceptor;
24  import net.sf.cglib.proxy.MethodProxy;
25  
26  /**
27   * cglib is unmaintained and does not work well (or possibly at all?) in newer JDKs, particularly JDK17+; see https://github.com/cglib/cglib
28   * <p>
29   * CGLib implementation of the proxy handler.
30   * </p>
31   *
32   * @param <T> type of the wrapped pooled object
33   * @since 2.0
34   */
35  final class CglibProxyHandler<T> extends BaseProxyHandler<T>
36          implements MethodInterceptor {
37  
38      /**
39       * Constructs a CGLib proxy instance.
40       *
41       * @param pooledObject  The object to wrap
42       * @param usageTracking The instance, if any (usually the object pool) to
43       *                      be provided with usage tracking information for this
44       *                      wrapped object
45       */
46      CglibProxyHandler(final T pooledObject, final UsageTracking<T> usageTracking) {
47          super(pooledObject, usageTracking);
48      }
49  
50      @Override
51      public Object intercept(final Object object, final Method method, final Object[] args,
52              final MethodProxy methodProxy) throws Throwable {
53          return doInvoke(method, args);
54      }
55  }