/*
* 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.autobean.vm.impl;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
/**
* Dynamic implementation of an AutoBean's simple peer object.
*
* @param <T> the type of interface the shim allows access to
*/
class SimpleBeanHandler<T> implements InvocationHandler {
private final ProxyAutoBean<T> bean;
public SimpleBeanHandler(ProxyAutoBean<T> bean) {
this.bean = bean;
}
public ProxyAutoBean<T> getBean() {
return bean;
}
/**
* Delegates most work to {@link BeanMethod}.
*/
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
for (BeanMethod type : BeanMethod.values()) {
if (type.matches(this, method)) {
Object toReturn = type.invoke(this, method, args);
return toReturn;
}
}
throw new RuntimeException("Unhandled invocation " + method.getName());
}
/**
* For debugging use only.
*/
@Override
public String toString() {
return bean.getSplittable().getPayload();
}
}