gistfile1.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.webbeans.newtests.proxy;

import org.apache.webbeans.config.WebBeansContext;
import org.apache.webbeans.proxy.ProxyGenerationException;
import org.apache.webbeans.proxy.SubclassProxyFactory;
import org.apache.xbean.asm4.ClassWriter;
import org.junit.Test;

import java.lang.reflect.Method;

import static org.junit.Assert.assertNotNull;

public class InnerClassProxyTest {
    @Test
    public void proxy() throws IllegalAccessException, InstantiationException {
        final SubclassProxyFactory proxyFactory = new SubclassProxyFactory(new WebBeansContext()) {
            @Override
            protected void delegateInterceptedMethods(ClassLoader classLoader, ClassWriter cw, String proxyClassFileName, Class<?> classToProxy,
                                                      Method[] interceptedMethods) throws ProxyGenerationException {
                super.delegateNonInterceptedMethods(classLoader, cw, proxyClassFileName, classToProxy, interceptedMethods);
            }
        };

        final Foo foo = proxyFactory.createSubClass(Foo.class.getClassLoader(), Foo.class).newInstance();
        assertNotNull(foo);

        // next line will throw an exception if any issue
        proxyFactory.createSubClass(Foo.Inner.class.getClassLoader(), Foo.Inner.class).newInstance();
    }

    public static class Foo {
        public String bar(final boolean b) throws Inner {
            if (b) {
                throw new Inner("fail");
            }
            return "ok";
        }

        public static class Inner extends Exception {
            public Inner() {
                // no-op
            }

            public Inner(final String message) {
                super(message);
            }
        }
    }
}