001    /**
002     * Copyright (C) 2011 rwoo@gmx.de
003     *
004     * Licensed under the Apache License, Version 2.0 (the "License");
005     * you may not use this file except in compliance with the License.
006     * You may obtain a copy of the License at
007     *
008     *         http://www.apache.org/licenses/LICENSE-2.0
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS,
012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     * See the License for the specific language governing permissions and
014     * limitations under the License.
015     */
016    package com.googlecode.catchexception.throwable.internal;
017    
018    import java.lang.reflect.Method;
019    
020    import io.codearte.catchexception.shade.mockito.cglib.proxy.MethodInterceptor;
021    import io.codearte.catchexception.shade.mockito.cglib.proxy.MethodProxy;
022    import io.codearte.catchexception.shade.mockito.internal.creation.DelegatingMockitoMethodProxy;
023    import io.codearte.catchexception.shade.mockito.internal.creation.cglib.CGLIBHacker;
024    
025    /**
026     * This {@link AbstractThrowableProcessingInvocationHandler} implements {@link MethodInterceptor} for Mockito's cglib
027     * variant.
028     * 
029     * @author rwoo, federico.gaule at gmail.com
030     * @param <E>
031     *            The type of the throwable that shall be caught and (optionally) verified
032     */
033    public class ThrowableProcessingInterceptor<E extends Throwable> extends
034            AbstractThrowableProcessingInvocationHandler<E> implements MethodInterceptor {
035    
036        /**
037         * We use this object to change the naming policy that is used by {@link MethodProxy#helper}. The new naming policy
038         * avoids duplicate class definitions.
039         */
040        private CGLIBHacker cglibHacker = new CGLIBHacker();
041    
042        @SuppressWarnings("javadoc")
043        public ThrowableProcessingInterceptor(Object target, Class<E> clazz, boolean assertThrowable) {
044            super(target, clazz, assertThrowable);
045        }
046    
047        /*
048         * (non-Javadoc)
049         * 
050         * @see org.mockito.cglib.proxy.MethodInterceptor#intercept(java.lang.Object, java.lang.reflect.Method,
051         * java.lang.Object[], org.mockito.cglib.proxy.MethodProxy)
052         */
053        @Override
054        public Object intercept(Object obj, Method method, Object[] args, MethodProxy proxy) throws Throwable {
055    
056            beforeInvocation();
057    
058            cglibHacker.setMockitoNamingPolicy(new DelegatingMockitoMethodProxy(proxy));
059    
060            try {
061    
062                method.setAccessible(true);
063    
064                Object retval = method.invoke(target, args);
065    
066                return afterInvocation(retval);
067    
068            } catch (Throwable e) {
069    
070                return afterInvocationThrowsThrowable(e, method);
071    
072            } finally {
073    
074                method.setAccessible(false);
075    
076            }
077        }
078    }