/*
* 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.
*/
/**
* Project : WebQQCore Package : iqq.im.event File : QQNotifyHandlerProxy.java
* Author : solosky < solosky772@qq.com >
* Created : 2013-3-16 License : Apache License 2.0
*/
package iqq.im.event;
import iqq.im.QQNotifyListener;
import java.lang.reflect.Method;
import java.util.HashMap;
import java.util.Map;
import org.apache.log4j.Logger;
/**
*
* 使用这个类简化事件的注册,分发 只需在被代理的类使用@IMEventHandler注解需要处理的事件类型即可
*
* @author solosky <solosky772@qq.com>
*
*/
public class QQNotifyHandlerProxy implements QQNotifyListener {
private static final Logger LOG = Logger.getLogger(QQNotifyHandlerProxy.class);
private Object proxyObject;
private Map<QQNotifyEvent.Type, Method> methodMap;
public QQNotifyHandlerProxy(Object proxyObject) {
this.proxyObject = proxyObject;
this.methodMap = new HashMap<QQNotifyEvent.Type, Method>();
for (Method m : proxyObject.getClass().getDeclaredMethods()) {
if (m.isAnnotationPresent(QQNotifyHandler.class)) {
QQNotifyHandler handler = m.getAnnotation(QQNotifyHandler.class);
this.methodMap.put(handler.value(), m);
if (!m.isAccessible()) {
m.setAccessible(true);
}
}
}
}
@Override
public void onNotifyEvent(QQNotifyEvent event) {
Method m = methodMap.get(event.getType());
if (m != null) {
try {
m.invoke(proxyObject, event);
} catch (Throwable e) {
LOG.warn("invoke QQNotifyHandler Error!!", e);
}
} else {
LOG.warn("Not found QQNotifyHandler for QQNotifyEvent = " + event);
}
}
}