src/main/java/org/apache/ode/jacob/vpu/ProxyConstructor.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.ode.jacob.vpu;

import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Proxy;


/**
 * Interface implemented by channel proxies.
 */
public class ProxyConstructor<T> {
    private Constructor<T> constructor;
    @SuppressWarnings("unchecked")
    public ProxyConstructor(Class<T> clazz) {
        try {
            Class<?> proxyClass = Proxy.getProxyClass(clazz.getClassLoader(), new Class[] {clazz});
            constructor = (Constructor<T>) proxyClass.getConstructor(new Class[] { InvocationHandler.class });
        } catch (Exception e) {
            // TODO: ignore? LOG?
        }
    }
    
    public T newInstance(InvocationHandler handler) {
        try {
            return constructor != null ? (T)constructor.newInstance(handler) : null;
        } catch (Exception e) {
            // TODO: really ignore?
        }
        return null;
    }
}