com.github.binarywang.wxpay.bean.notify.WxPayRefundNotifyResult Maven / Gradle / Ivy
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package com.github.binarywang.wxpay.bean.notify;
import java.io.Serializable;
import java.nio.charset.StandardCharsets;
import javax.crypto.Cipher;
import javax.crypto.spec.SecretKeySpec;
import org.apache.commons.codec.binary.Base64;
import org.apache.commons.codec.digest.DigestUtils;
import com.github.binarywang.wxpay.bean.result.BaseWxPayResult;
import com.github.binarywang.wxpay.constant.WxPayConstants;
import com.github.binarywang.wxpay.exception.WxPayException;
import com.thoughtworks.xstream.XStream;
import com.thoughtworks.xstream.annotations.XStreamAlias;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.EqualsAndHashCode;
import lombok.NoArgsConstructor;
import me.chanjar.weixin.common.util.json.WxGsonBuilder;
import me.chanjar.weixin.common.util.xml.XStreamInitializer;
import org.w3c.dom.Document;
/**
*
* 退款结果通知对象.
* Created by BinaryWang on 2017/8/27.
*
*
* @author Binary Wang
*/
@Data
@EqualsAndHashCode(callSuper = true)
@NoArgsConstructor
@AllArgsConstructor
@XStreamAlias("xml")
public class WxPayRefundNotifyResult extends BaseWxPayResult implements Serializable {
private static final long serialVersionUID = 4651725860079259186L;
/**
* 从xml字符串创建bean对象.
*
* @param xmlString xml字符串
* @param mchKey 商户密钥
* @return the wx pay refund notify result
* @throws WxPayException the wx pay exception
*/
public static WxPayRefundNotifyResult fromXML(String xmlString, String mchKey) throws WxPayException {
WxPayRefundNotifyResult result = BaseWxPayResult.fromXML(xmlString, WxPayRefundNotifyResult.class);
if (WxPayConstants.ResultCode.FAIL.equals(result.getReturnCode())) {
return result;
}
String reqInfoString = result.getReqInfoString();
try {
final String keyMd5String = DigestUtils.md5Hex(mchKey).toLowerCase();
SecretKeySpec key = new SecretKeySpec(keyMd5String.getBytes(StandardCharsets.UTF_8), "AES");
Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");
cipher.init(Cipher.DECRYPT_MODE, key);
result.setReqInfo(ReqInfo.fromXML(new String(cipher.doFinal(Base64.decodeBase64(reqInfoString)),
StandardCharsets.UTF_8)));
} catch (Exception e) {
throw new WxPayException("解密退款通知加密信息时出错", e);
}
return result;
}
/**
*
* 字段名：加密信息.
* 变量名：req_info
* 是否必填：是
* 类型：String(1024)
* 描述：加密信息请用商户证书与商户秘钥进行解密
*
*/
@XStreamAlias("req_info")
private String reqInfoString;
private ReqInfo reqInfo;
// 解密后的reqInfo 字符串
private transient String decryptedReqInfo;
@Override
protected void loadXml(Document d) {
reqInfoString = readXmlString(d, "req_info");
}
/**
* 解密并解析reqInfo
*
* @param mchKey
* @throws WxPayException
*/
public void decryptReqInfo(String mchKey) throws WxPayException {
//如果是失败，直接返回，不用解析
if (WxPayConstants.ResultCode.FAIL.equals(getReturnCode())) {
return;
}
try {
final String keyMd5String = DigestUtils.md5Hex(mchKey).toLowerCase();
SecretKeySpec key = new SecretKeySpec(keyMd5String.getBytes(StandardCharsets.UTF_8), "AES");
Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");
cipher.init(Cipher.DECRYPT_MODE, key);
decryptedReqInfo = new String(cipher.doFinal(Base64.decodeBase64(reqInfoString)), StandardCharsets.UTF_8);
loadReqInfo(decryptedReqInfo);
} catch (Exception e) {
throw new WxPayException("解密退款通知加密信息时出错", e);
}
}
// 本方法独立出来方便测试
protected void loadReqInfo(String decryptedReqInfo) {
Document document = openXML(decryptedReqInfo);
reqInfo = new ReqInfo();
reqInfo.loadXML(document);
}
/**
* 加密信息字段解密后的内容.
*/
@Data
@NoArgsConstructor
@XStreamAlias("root")
public static class ReqInfo {
@Override
public String toString() {
return WxGsonBuilder.create().toJson(this);
}
/**
*
* 字段名：微信订单号.
* 变量名：transaction_id
* 是否必填：是
* 类型：String(32)
* 示例值：1217752501201407033233368018
* 描述：微信订单号
*
*/
@XStreamAlias("transaction_id")
private String transactionId;
/**
*
* 字段名：商户订单号.
* 变量名：out_trade_no
* 是否必填：是
* 类型：String(32)
* 示例值：1217752501201407033233368018
* 描述：商户系统内部的订单号
*
*/
@XStreamAlias("out_trade_no")
private String outTradeNo;
/**
*
* 字段名：微信退款单号.
* 变量名：refund_id
* 是否必填：是
* 类型：String(28)
* 示例值：1217752501201407033233368018
* 描述：微信退款单号
*
*/
@XStreamAlias("refund_id")
private String refundId;
/**
*
* 字段名：商户退款单号.
* 变量名：out_refund_no
* 是否必填：是
* 类型：String(64)
* 示例值：1217752501201407033233368018
* 描述：商户退款单号
*
*/
@XStreamAlias("out_refund_no")
private String outRefundNo;
/**
*
* 字段名：订单金额.
* 变量名：total_fee
* 是否必填：是
* 类型：Int
* 示例值：100
* 描述：订单总金额，单位为分，只能为整数，详见支付金额
*
*/
@XStreamAlias("total_fee")
private Integer totalFee;
/**
*
* 字段名：结订单金额.
* 变量名：settlement_total_fee
* 是否必填：否
* 类型：Int
* 示例值：100
* 描述：当该订单有使用非充值券时，返回此字段。应结订单金额=订单金额-非充值代金券金额，应结订单金额<=订单金额。
*
*/
@XStreamAlias("settlement_total_fee")
private Integer settlementTotalFee;
/**
*
* 字段名：申请退款金额.
* 变量名：refund_fee
* 是否必填：是
* 类型：Int
* 示例值：100
* 描述：退款总金额,单位为分
*
*/
@XStreamAlias("refund_fee")
private Integer refundFee;
/**
*
* 字段名：退款金额.
* 变量名：settlement_refund_fee
* 是否必填：是
* 类型：Int
* 示例值：100
* 描述：退款金额=申请退款金额-非充值代金券退款金额，退款金额<=申请退款金额
*
*/
@XStreamAlias("settlement_refund_fee")
private Integer settlementRefundFee;
/**
*
* 字段名：退款状态.
* 变量名：refund_status
* 是否必填：是
* 类型：String(16)
* 示例值：SUCCESS
* 描述：SUCCESS-退款成功，CHANGE-退款异常，REFUNDCLOSE—退款关闭
*
*/
@XStreamAlias("refund_status")
private String refundStatus;
/**
*
* 字段名：退款成功时间.
* 变量名：success_time
* 是否必填：否
* 类型： String(20)
* 示例值：2017-12-15 09:46:01
* 资金退款至用户帐号的时间，格式2017-12-15 09:46:01
*
*/
@XStreamAlias("success_time")
private String successTime;
/**
*
* 字段名：退款入账账户.
* 变量名：refund_recv_accout
* 是否必填：是
* 类型：String(64)
* 示例值：招商银行信用卡0403
* 描述：取当前退款单的退款入账方，1）退回银行卡：{银行名称}{卡类型}{卡尾号}，2）退回支付用户零钱:支付用户零钱 ，3）退还商户: 商户基本账户，商户结算银行账户，4）退回支付用户零钱通: 支付用户零钱通
*
*/
@XStreamAlias("refund_recv_accout")
private String refundRecvAccout;
/**
*
* 字段名：退款资金来源.
* 变量名：refund_account
* 是否必填：是
* 类型：String(30)
* 示例值：REFUND_SOURCE_RECHARGE_FUNDS
* 描述：REFUND_SOURCE_RECHARGE_FUNDS 可用余额退款/基本账户，REFUND_SOURCE_UNSETTLED_FUNDS 未结算资金退款
*
*/
@XStreamAlias("refund_account")
private String refundAccount;
/**
*
* 字段名：退款发起来源.
* 变量名：refund_request_source
* 是否必填：是
* 类型：String(30)
* 示例值：API
* 描述：API接口，VENDOR_PLATFORM商户平台
*
*/
@XStreamAlias("refund_request_source")
private String refundRequestSource;
/**
* 从xml字符串构造ReqInfo对象.
*
* @param xmlString xml字符串
* @return ReqInfo对象
*/
public static ReqInfo fromXML(String xmlString) {
XStream xstream = XStreamInitializer.getInstance();
xstream.processAnnotations(ReqInfo.class);
return (ReqInfo) xstream.fromXML(xmlString);
}
public void loadXML(Document d) {
transactionId = readXmlString(d, "transaction_id");
outTradeNo = readXmlString(d, "out_trade_no");
refundId = readXmlString(d, "refund_id");
outRefundNo = readXmlString(d, "out_refund_no");
totalFee = readXmlInteger(d, "total_fee");
settlementTotalFee = readXmlInteger(d, "settlement_total_fee");
refundFee = readXmlInteger(d, "refund_fee");
settlementRefundFee = readXmlInteger(d, "settlement_refund_fee");
refundStatus = readXmlString(d, "refund_status");
successTime = readXmlString(d, "success_time");
refundRecvAccout = readXmlString(d, "refund_recv_accout");
refundAccount = readXmlString(d, "refund_account");
refundRequestSource = readXmlString(d, "refund_request_source");
}
}
}
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