| /* |
| * 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.camel.component.cxf.jaxrs; |
| |
| import java.lang.reflect.Constructor; |
| import java.lang.reflect.InvocationHandler; |
| import java.lang.reflect.Method; |
| import java.lang.reflect.Proxy; |
| |
| import org.apache.cxf.jaxrs.utils.ResourceUtils; |
| // This class only return the sub class instance |
| public class SubResourceClassInvocationHandler implements InvocationHandler { |
| |
| @Override |
| public Object invoke(Object proxy, Method method, Object[] parameters) throws Throwable { |
| Object result = null; |
| Class<?> returnType = method.getReturnType(); |
| if (!returnType.isAssignableFrom(Void.class)) { |
| // create a instance to return |
| if (returnType.isInterface()) { |
| // create a new proxy for it |
| result = Proxy.newProxyInstance(returnType.getClassLoader(), new Class[] {returnType}, |
| new SubResourceClassInvocationHandler()); |
| } else { |
| // get the constructor and create a new instance |
| Constructor<?> c = ResourceUtils.findResourceConstructor(returnType, true); |
| result = c.newInstance(new Object[] {}); |
| } |
| } |
| return result; |
| } |
| |
| } |