CglibProxyHandler.java

  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. import java.lang.reflect.Method;

  19. import org.apache.commons.pool2.UsageTracking;

  20. import net.sf.cglib.proxy.MethodInterceptor;
  21. import net.sf.cglib.proxy.MethodProxy;

  22. /**
  23.  * cglib is unmaintained and does not work well (or possibly at all?) in newer JDKs, particularly JDK17+; see https://github.com/cglib/cglib
  24.  * <p>
  25.  * CGLib implementation of the proxy handler.
  26.  * </p>
  27.  *
  28.  * @param <T> type of the wrapped pooled object
  29.  * @since 2.0
  30.  */
  31. final class CglibProxyHandler<T> extends BaseProxyHandler<T>
  32.         implements MethodInterceptor {

  33.     /**
  34.      * Constructs a CGLib proxy instance.
  35.      *
  36.      * @param pooledObject  The object to wrap
  37.      * @param usageTracking The instance, if any (usually the object pool) to
  38.      *                      be provided with usage tracking information for this
  39.      *                      wrapped object
  40.      */
  41.     CglibProxyHandler(final T pooledObject, final UsageTracking<T> usageTracking) {
  42.         super(pooledObject, usageTracking);
  43.     }

  44.     @Override
  45.     public Object intercept(final Object object, final Method method, final Object[] args,
  46.             final MethodProxy methodProxy) throws Throwable {
  47.         return doInvoke(method, args);
  48.     }
  49. }