EventListenerProxy抽象类

package java.util;
//事件监听代理类，实现了EventListener接口
public abstract class EventListenerProxy<T extends EventListener>
        implements EventListener {
    private final T listener;

    /**
     * Creates a proxy for the specified listener.
     *
     * @param listener  the listener object
     */
    public EventListenerProxy(T listener) {
        this.listener = listener;
    }

    /**
     * Returns the listener associated with the proxy.
     *
     * @return  the listener associated with the proxy
     */
    public T getListener() {
        return this.listener;
    }
}