org.bigmouth.nvwa.pay.service.callback.wx.WxCallback.java Source code

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Here is the source code for org.bigmouth.nvwa.pay.service.callback.wx.WxCallback.java

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/*
 * Copyright 2015 big-mouth.cn
 *
 * The Project 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.
 */
package org.bigmouth.nvwa.pay.service.callback.wx;

import org.apache.commons.lang.ArrayUtils;
import org.bigmouth.nvwa.pay.PayProvider;
import org.bigmouth.nvwa.pay.service.callback.Callback;
import org.bigmouth.nvwa.pay.service.callback.CallbackAnalysisException;
import org.bigmouth.nvwa.pay.service.callback.CallbackException;
import org.bigmouth.nvwa.utils.StringHelper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * ?
 * 
 * @author Allen Hu - (big-mouth.cn) 
 * 2015-8-8
 */
public class WxCallback implements Callback {

    private static final Logger LOGGER = LoggerFactory.getLogger(WxCallback.class);

    public WxCallbackResponse callback(byte[] entity) {
        if (ArrayUtils.isEmpty(entity)) {
            throw new CallbackException("data has empty!");
        }
        WxCallbackArgument argument = WxCallbackArgument.of(StringHelper.convert(entity));
        if (null == argument) {

            throw new CallbackAnalysisException();
        }
        if (LOGGER.isInfoEnabled()) {
            LOGGER.info("Receive callback from Wx, Request parameters are [{}]", argument);
        }
        WxCallbackResponse response = new WxCallbackResponse();
        response.setArgument(argument);
        return response;
    }

    @Override
    public PayProvider getProvider() {
        return PayProvider.WX;
    }
}