001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017
018package org.apache.commons.proxy2.stub;
019
020import java.lang.reflect.Method;
021
022import org.apache.commons.proxy2.Invoker;
023import org.apache.commons.proxy2.ProxyUtils;
024
025public final class AnnotationInvoker implements Invoker
026{
027    private static final long serialVersionUID = 1L;
028
029    public static final AnnotationInvoker INSTANCE = new AnnotationInvoker();
030
031    @Override
032    public Object invoke(Object proxy, Method method, Object[] arguments) throws Throwable
033    {
034        final Object result = method.getDefaultValue();
035        return result == null && method.getReturnType().isPrimitive() ? ProxyUtils.nullValue(method.getReturnType())
036                : result;
037    }
038
039}