/**
* Copyright 2012 Nikita Koksharov
*
* 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.corundumstudio.socketio.annotation;
import java.lang.annotation.Annotation;
import java.lang.reflect.Method;
import com.corundumstudio.socketio.SocketIOClient;
import com.corundumstudio.socketio.handler.SocketIOException;
import com.corundumstudio.socketio.listener.ConnectListener;
import com.corundumstudio.socketio.namespace.Namespace;
public class OnConnectScanner implements AnnotationScanner {
public Class<? extends Annotation> getScanAnnotation() {
return OnConnect.class;
}
public void addListener(Namespace namespace, final Object object, final Class clazz, final Method method) {
namespace.addConnectListener(new ConnectListener() {
@Override
public void onConnect(SocketIOClient client) {
try {
method.invoke(object, client);
} catch (Exception e) {
throw new SocketIOException(e);
}
}
});
}
public void validate(Method method, Class clazz) {
if (method.getParameterTypes().length != 1) {
throw new IllegalArgumentException("Wrong OnConnect listener signature: " + clazz + "." + method.getName());
}
boolean valid = false;
for (Class<?> eventType : method.getParameterTypes()) {
if (eventType.equals(SocketIOClient.class)) {
valid = true;
}
}
if (!valid) {
throw new IllegalArgumentException("Wrong OnConnect listener signature: " + clazz + "." + method.getName());
}
}
}