Improve Interceptor APIs to supprt java8 lambda style about openmessaging-java HOT 2 CLOSED

/**
 * A {@code Interceptor} is used to intercept send or consume operations.
 * <p>
 * The interceptor is able to view or modify the message being transmitted and collect
 * the send record.
 *
 * @version OMS 1.0.0
 * @since OMS 1.0.0
 */
public interface MessageInterceptor {
    /**
     * Invoked during send or consume operations.
     *
     * @param message the message is actually processing.
     * @param attributes the extensible attributes delivered to the intercept thread.
     */
    void onMessage(Message message, Context attributes);
}

MessageInterceptor preSendInterceptor;
producer.addPreSendInterceptor(preSendInterceptor = new MessageInterceptor() {
    @Override
    public void onMessage(Message message, Context attributes) {
        System.out.println("PreSend message: " + message);
    }
});
producer.removeInterceptor(preSendInterceptor);