/*
* Copyright 2010 Google Inc.
*
* Licensed 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 com.google.web.bindery.requestfactory.vm;
import com.google.web.bindery.requestfactory.shared.RequestFactory;
import com.google.web.bindery.requestfactory.vm.InProcessRequestFactory.RequestFactoryHandler;
import java.lang.reflect.Proxy;
/**
* Create JRE-compatible instances of a RequestFactory interface.
*
* <span style='color: red'>This is experimental, unsupported code.</span>
*/
public class RequestFactorySource {
/**
* Create an instance of a RequestFactory. The returned RequestFactory must be
* initialized with an explicit
* {@link com.google.web.bindery.requestfactory.shared.RequestTransport
* RequestTransport} via the
* {@link RequestFactory#initialize(com.google.web.bindery.event.shared.EventBus, com.google.web.bindery.requestfactory.shared.RequestTransport)
* initialize(EventBus, RequestTransport} method.
*
* @param <T> the RequestFactory type
* @param requestFactory the RequestFactory type
* @return an instance of the RequestFactory type
* @see InProcessRequestTransport
*/
public static <T extends RequestFactory> T create(Class<T> requestFactory) {
RequestFactoryHandler handler =
new InProcessRequestFactory(requestFactory).new RequestFactoryHandler();
return requestFactory.cast(Proxy.newProxyInstance(Thread.currentThread()
.getContextClassLoader(), new Class<?>[] {requestFactory}, handler));
}
private RequestFactorySource() {
}
}