/*
 * 微信公众平台(JAVA) SDK
 *
 * Copyright (c) 2014, Ansitech Network Technology Co.,Ltd All rights reserved.
 * 
 * http://www.weixin4j.org/
 *
 * 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 org.weixin4j.spi;

import javax.servlet.ServletInputStream;
import org.weixin4j.WeixinException;

/**
 * 输入消息处理器
 *
 * @author yangqisheng
 * @since 0.0.6
 */
public interface IMessageHandler {

    /**
     * 微信输入消息处理器
     *
     * @param inputStream 输入流
     * @return 返回xml格式的回复消息
     * @throws org.weixin4j.WeixinException 微信操作异常
     */
    String invoke(ServletInputStream inputStream) throws WeixinException;

    /**
     * 微信输入消息处理器
     *
     * @param inputXml 输入xml
     * @return 返回xml格式的回复消息
     * @throws org.weixin4j.WeixinException 微信操作异常
     */
    String invoke(String inputXml) throws WeixinException;
}
