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A Java SDK for WeChat Pay APIv3
// Copyright 2021 Tencent Inc. All rights reserved.
//
// 境内普通商户退款API
//
// 境内普通商户退款功能涉及的API文档
//
// API version: 1.2.0
// Code generated by WechatPay APIv3 Generator based on [OpenAPI
// Generator](https://openapi-generator.tech); DO NOT EDIT.
package com.wechat.pay.java.service.refund;
import static com.wechat.pay.java.core.http.UrlEncoder.urlEncode;
import static com.wechat.pay.java.core.util.GsonUtil.toJson;
import static java.util.Objects.requireNonNull;
import com.wechat.pay.java.core.Config;
import com.wechat.pay.java.core.exception.HttpException;
import com.wechat.pay.java.core.exception.MalformedMessageException;
import com.wechat.pay.java.core.exception.ServiceException;
import com.wechat.pay.java.core.exception.ValidationException;
import com.wechat.pay.java.core.http.Constant;
import com.wechat.pay.java.core.http.DefaultHttpClientBuilder;
import com.wechat.pay.java.core.http.HostName;
import com.wechat.pay.java.core.http.HttpClient;
import com.wechat.pay.java.core.http.HttpHeaders;
import com.wechat.pay.java.core.http.HttpMethod;
import com.wechat.pay.java.core.http.HttpRequest;
import com.wechat.pay.java.core.http.HttpResponse;
import com.wechat.pay.java.core.http.JsonRequestBody;
import com.wechat.pay.java.core.http.MediaType;
import com.wechat.pay.java.core.http.QueryParameter;
import com.wechat.pay.java.core.http.RequestBody;
import com.wechat.pay.java.service.refund.model.CreateRequest;
import com.wechat.pay.java.service.refund.model.QueryByOutRefundNoRequest;
import com.wechat.pay.java.service.refund.model.Refund;
/** RefundService服务 */
public class RefundService {
private final HttpClient httpClient;
private final HostName hostName;
private RefundService(HttpClient httpClient, HostName hostName) {
this.httpClient = requireNonNull(httpClient);
this.hostName = hostName;
}
/** RefundService构造器 */
public static class Builder {
private HttpClient httpClient;
private HostName hostName;
/**
* 设置请求配置，以该配置构造默认的httpClient，若未调用httpClient()方法，则必须调用该方法
*
* @param config 请求配置
* @return Builder
*/
public Builder config(Config config) {
this.httpClient = new DefaultHttpClientBuilder().config(config).build();
return this;
}
/**
* 设置微信支付域名，可选，默认为api.mch.weixin.qq.com
*
* @param hostName 微信支付域名
* @return Builder
*/
public Builder hostName(HostName hostName) {
this.hostName = hostName;
return this;
}
/**
* 设置自定义httpClient，若未调用config()，则必须调用该方法
*
* @param httpClient httpClient
* @return Builder
*/
public Builder httpClient(HttpClient httpClient) {
this.httpClient = httpClient;
return this;
}
/**
* 构造服务
*
* @return RefundService
*/
public RefundService build() {
return new RefundService(httpClient, hostName);
}
}
/**
* 退款申请
*
* @param request 请求参数
* @return Refund
* @throws HttpException 发送HTTP请求失败。例如构建请求参数失败、发送请求失败、I/O错误等。包含请求信息。
* @throws ValidationException 发送HTTP请求成功，验证微信支付返回签名失败。
* @throws ServiceException 发送HTTP请求成功，服务返回异常。例如返回状态码小于200或大于等于300。
* @throws MalformedMessageException 服务返回成功，content-type不为application/json、解析返回体失败。
*/
public Refund create(CreateRequest request) {
String requestPath = "https://api.mch.weixin.qq.com/v3/refund/domestic/refunds";
CreateRequest realRequest = request;
if (this.hostName != null) {
requestPath = requestPath.replaceFirst(HostName.API.getValue(), hostName.getValue());
}
HttpHeaders headers = new HttpHeaders();
headers.addHeader(Constant.ACCEPT, MediaType.APPLICATION_JSON.getValue());
headers.addHeader(Constant.CONTENT_TYPE, MediaType.APPLICATION_JSON.getValue());
HttpRequest httpRequest =
new HttpRequest.Builder()
.httpMethod(HttpMethod.POST)
.url(requestPath)
.headers(headers)
.body(createRequestBody(realRequest))
.build();
HttpResponse httpResponse = httpClient.execute(httpRequest, Refund.class);
return httpResponse.getServiceResponse();
}
/**
* 查询单笔退款（通过商户退款单号）
*
* @param request 请求参数
* @return Refund
* @throws HttpException 发送HTTP请求失败。例如构建请求参数失败、发送请求失败、I/O错误等。包含请求信息。
* @throws ValidationException 发送HTTP请求成功，验证微信支付返回签名失败。
* @throws ServiceException 发送HTTP请求成功，服务返回异常。例如返回状态码小于200或大于等于300。
* @throws MalformedMessageException 服务返回成功，content-type不为application/json、解析返回体失败。
*/
public Refund queryByOutRefundNo(QueryByOutRefundNoRequest request) {
String requestPath = "https://api.mch.weixin.qq.com/v3/refund/domestic/refunds/{out_refund_no}";
QueryByOutRefundNoRequest realRequest = request;
// 添加 path param
requestPath =
requestPath.replace("{" + "out_refund_no" + "}", urlEncode(realRequest.getOutRefundNo()));
// 添加 query param
QueryParameter queryParameter = new QueryParameter();
if (realRequest.getSubMchid() != null) {
queryParameter.add("sub_mchid", urlEncode(realRequest.getSubMchid()));
}
requestPath += queryParameter.getQueryStr();
if (this.hostName != null) {
requestPath = requestPath.replaceFirst(HostName.API.getValue(), hostName.getValue());
}
HttpHeaders headers = new HttpHeaders();
headers.addHeader(Constant.ACCEPT, MediaType.APPLICATION_JSON.getValue());
headers.addHeader(Constant.CONTENT_TYPE, MediaType.APPLICATION_JSON.getValue());
HttpRequest httpRequest =
new HttpRequest.Builder()
.httpMethod(HttpMethod.GET)
.url(requestPath)
.headers(headers)
.build();
HttpResponse httpResponse = httpClient.execute(httpRequest, Refund.class);
return httpResponse.getServiceResponse();
}
private RequestBody createRequestBody(Object request) {
return new JsonRequestBody.Builder().body(toJson(request)).build();
}
}