🎨 修复重构后的代码

Author: binarywang

weixin-java-pay/pom.xml

@@ -82,6 +82,11 @@
       <groupId>org.projectlombok</groupId>
       <artifactId>lombok</artifactId>
     </dependency>
+    <dependency>
+      <groupId>com.fasterxml.jackson.core</groupId>
+      <artifactId>jackson-databind</artifactId>
+      <version>2.9.7</version>
+    </dependency>
     <dependency>
       <groupId>com.google.code.gson</groupId>
       <artifactId>gson</artifactId>

weixin-java-pay/src/main/java/com/github/binarywang/wxpay/service/impl/WxPayServiceApacheHttpImpl.java

@@ -1,12 +1,9 @@
 package com.github.binarywang.wxpay.service.impl;
 
-import java.net.URI;
-import java.nio.charset.StandardCharsets;
-import javax.net.ssl.SSLContext;
-
-import com.alibaba.fastjson.JSONObject;
 import com.github.binarywang.wxpay.bean.WxPayApiData;
 import com.github.binarywang.wxpay.exception.WxPayException;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
 import jodd.util.Base64;
 import org.apache.commons.lang3.StringUtils;
 import org.apache.http.HttpHost;
@@ -28,6 +25,10 @@
 import org.apache.http.impl.client.HttpClients;
 import org.apache.http.util.EntityUtils;
 
+import javax.net.ssl.SSLContext;
+import java.net.URI;
+import java.nio.charset.StandardCharsets;
+
 /**
  * <pre>
  * 微信支付请求实现类，apache httpclient实现.
@@ -37,6 +38,8 @@
  * @author <a href="https://github.com/binarywang">Binary Wang</a>
  */
 public class WxPayServiceApacheHttpImpl extends BaseWxPayServiceImpl {
+  private final static JsonParser JSON_PARSER = new JsonParser();
+
   @Override
   public byte[] postForBytes(String url, String requestStr, boolean useKey) throws WxPayException {
     try {
@@ -92,18 +95,17 @@ public String postV3(String url, String requestStr) throws WxPayException {
     HttpPost httpPost = this.createHttpPost(url, requestStr);
     httpPost.addHeader("Accept", "application/json");
     httpPost.addHeader("Content-Type", "application/json");
-    try (CloseableHttpResponse response = httpClient.execute(httpPost)){
+    try (CloseableHttpResponse response = httpClient.execute(httpPost)) {
       //v3已经改为通过状态码判断200 204 成功
       int statusCode = response.getStatusLine().getStatusCode();
       String responseString = EntityUtils.toString(response.getEntity(), StandardCharsets.UTF_8);
-      if (HttpStatus.SC_OK==statusCode || HttpStatus.SC_NO_CONTENT==statusCode){
+      if (HttpStatus.SC_OK == statusCode || HttpStatus.SC_NO_CONTENT == statusCode) {
         this.log.info("\n【请求地址】：{}\n【请求数据】：{}\n【响应数据】：{}", url, requestStr, responseString);
         return responseString;
-      }else {
+      } else {
         //有错误提示信息返回
-        JSONObject jsonObject = JSONObject.parseObject(responseString);
-        String message = jsonObject.getString("message");
-        throw new WxPayException(message);
+        JsonObject jsonObject = JSON_PARSER.parse(responseString).getAsJsonObject();
+        throw new WxPayException(jsonObject.get("message").getAsString());
       }
     } catch (Exception e) {
       this.log.error("\n【请求地址】：{}\n【请求数据】：{}\n【异常信息】：{}", url, requestStr, e.getMessage());
@@ -113,8 +115,6 @@ public String postV3(String url, String requestStr) throws WxPayException {
     }
 
 
-
-
   }
 
   @Override
@@ -123,44 +123,37 @@ public String getV3(URI url) throws WxPayException {
     HttpGet httpGet = new HttpGet(url);
     httpGet.addHeader("Accept", "application/json");
     httpGet.addHeader("Content-Type", "application/json");
-    try (CloseableHttpResponse response = httpClient.execute(httpGet)){
+    try (CloseableHttpResponse response = httpClient.execute(httpGet)) {
       //v3已经改为通过状态码判断200 204 成功
       int statusCode = response.getStatusLine().getStatusCode();
       String responseString = EntityUtils.toString(response.getEntity(), StandardCharsets.UTF_8);
-      if (HttpStatus.SC_OK==statusCode || HttpStatus.SC_NO_CONTENT==statusCode){
-        this.log.info("\n【请求地址】：{}\n【响应数据】：{}", url , responseString);
+      if (HttpStatus.SC_OK == statusCode || HttpStatus.SC_NO_CONTENT == statusCode) {
+        this.log.info("\n【请求地址】：{}\n【响应数据】：{}", url, responseString);
         return responseString;
-      }else {
+      } else {
         //有错误提示信息返回
-        JSONObject jsonObject = JSONObject.parseObject(responseString);
-        String message = jsonObject.getString("message");
-        throw new WxPayException(message);
+        JsonObject jsonObject = JSON_PARSER.parse(responseString).getAsJsonObject();
+        throw new WxPayException(jsonObject.get("message").getAsString());
       }
     } catch (Exception e) {
       this.log.error("\n【请求地址】：{}\n【异常信息】：{}", url, e.getMessage());
       throw new WxPayException(e.getMessage(), e);
     } finally {
       httpGet.releaseConnection();
     }
-
-
   }
 
   private CloseableHttpClient createApiV3HttpClient() throws WxPayException {
     CloseableHttpClient apiv3HttpClient = this.getConfig().getApiV3HttpClient();
-    if (null==apiv3HttpClient){
+    if (null == apiv3HttpClient) {
       return this.getConfig().initApiV3HttpClient();
     }
     return apiv3HttpClient;
   }
 
-
   private StringEntity createEntry(String requestStr) {
-
-      return new StringEntity(requestStr, ContentType.create("application/json", "utf-8"));
-      //return new StringEntity(new String(requestStr.getBytes(StandardCharsets.UTF_8), StandardCharsets.ISO_8859_1));
-
-
+    return new StringEntity(requestStr, ContentType.create("application/json", "utf-8"));
+    //return new StringEntity(new String(requestStr.getBytes(StandardCharsets.UTF_8), StandardCharsets.ISO_8859_1));
   }
 
   private HttpClientBuilder createHttpClientBuilder(boolean useKey) throws WxPayException {

weixin-java-pay/src/main/java/com/github/binarywang/wxpay/v3/auth/AutoUpdateCertificatesVerifier.java

@@ -1,8 +1,22 @@
 package com.github.binarywang.wxpay.v3.auth;
 
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.github.binarywang.wxpay.v3.Credentials;
+import com.github.binarywang.wxpay.v3.WechatPayHttpClientBuilder;
+import com.github.binarywang.wxpay.v3.util.AesUtils;
+import com.github.binarywang.wxpay.v3.util.PemUtils;
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.http.client.methods.CloseableHttpResponse;
+import org.apache.http.client.methods.HttpGet;
+import org.apache.http.impl.client.CloseableHttpClient;
+import org.apache.http.util.EntityUtils;
 
 import java.io.ByteArrayInputStream;
 import java.io.IOException;
+import java.nio.charset.StandardCharsets;
 import java.security.GeneralSecurityException;
 import java.security.cert.CertificateExpiredException;
 import java.security.cert.CertificateNotYetValidException;
@@ -13,57 +27,56 @@
 import java.util.List;
 import java.util.concurrent.locks.ReentrantLock;
 
-import com.fasterxml.jackson.databind.JsonNode;
-import com.fasterxml.jackson.databind.ObjectMapper;
-import com.github.binarywang.wxpay.v3.Credentials;
-import com.github.binarywang.wxpay.v3.WechatPayHttpClientBuilder;
-import com.github.binarywang.wxpay.v3.util.AesUtils;
-import com.github.binarywang.wxpay.v3.util.PemUtils;
-import org.apache.http.client.methods.CloseableHttpResponse;
-import org.apache.http.client.methods.HttpGet;
-import org.apache.http.impl.client.CloseableHttpClient;
-import org.apache.http.util.EntityUtils;
-
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 /**
  * 在原有CertificatesVerifier基础上，增加自动更新证书功能
+ *
+ * @author doger.wang
  */
+@Slf4j
 public class AutoUpdateCertificatesVerifier implements Verifier {
+  /**
+   * 证书下载地址
+   */
+  private static final String CERT_DOWNLOAD_PATH = "https://api.mch.weixin.qq.com/v3/certificates";
 
-  private static final Logger log = LoggerFactory.getLogger(AutoUpdateCertificatesVerifier.class);
-
-  //证书下载地址
-  private static final String CertDownloadPath = "https://api.mch.weixin.qq.com/v3/certificates";
-
-  //上次更新时间
+  /**
+   * 上次更新时间
+   */
   private volatile Instant instant;
 
-  //证书更新间隔时间，单位为分钟
-  private int minutesInterval;
+  /**
+   * 证书更新间隔时间，单位为分钟
+   */
+  private final int minutesInterval;
 
   private CertificatesVerifier verifier;
 
-  private Credentials credentials;
+  private final Credentials credentials;
 
-  private byte[] apiV3Key;
+  private final byte[] apiV3Key;
 
-  private ReentrantLock lock = new ReentrantLock();
+  private final ReentrantLock lock = new ReentrantLock();
 
-  //时间间隔枚举，支持一小时、六小时以及十二小时
+  /**
+   * 时间间隔枚举，支持一小时、六小时以及十二小时
+   */
+  @Getter
+  @RequiredArgsConstructor
   public enum TimeInterval {
-    OneHour(60), SixHours(60 * 6), TwelveHours(60 * 12);
-
-    private int minutes;
-
-    TimeInterval(int minutes) {
-      this.minutes = minutes;
-    }
-
-    public int getMinutes() {
-      return minutes;
-    }
+    /**
+     * 一小时
+     */
+    OneHour(60),
+    /**
+     * 六小时
+     */
+    SixHours(60 * 6),
+    /**
+     * 十二小时
+     */
+    TwelveHours(60 * 12);
+
+    private final int minutes;
   }
 
   public AutoUpdateCertificatesVerifier(Credentials credentials, byte[] apiV3Key) {
@@ -103,11 +116,11 @@ public boolean verify(String serialNumber, byte[] message, String signature) {
 
   private void autoUpdateCert() throws IOException, GeneralSecurityException {
     CloseableHttpClient httpClient = WechatPayHttpClientBuilder.create()
-        .withCredentials(credentials)
-        .withValidator(verifier == null ? (response) -> true : new WechatPay2Validator(verifier))
-        .build();
+      .withCredentials(credentials)
+      .withValidator(verifier == null ? (response) -> true : new WechatPay2Validator(verifier))
+      .build();
 
-    HttpGet httpGet = new HttpGet(CertDownloadPath);
+    HttpGet httpGet = new HttpGet(CERT_DOWNLOAD_PATH);
     httpGet.addHeader("Accept", "application/json");
 
     CloseableHttpResponse response = httpClient.execute(httpGet);
@@ -125,12 +138,10 @@ private void autoUpdateCert() throws IOException, GeneralSecurityException {
     }
   }
 
-
   /**
    * 反序列化证书并解密
    */
-  private List<X509Certificate> deserializeToCerts(byte[] apiV3Key, String body)
-      throws GeneralSecurityException, IOException {
+  private List<X509Certificate> deserializeToCerts(byte[] apiV3Key, String body) throws GeneralSecurityException, IOException {
     AesUtils decryptor = new AesUtils(apiV3Key);
     ObjectMapper mapper = new ObjectMapper();
     JsonNode dataNode = mapper.readTree(body).get("data");
@@ -140,14 +151,14 @@ private List<X509Certificate> deserializeToCerts(byte[] apiV3Key, String body)
         JsonNode encryptCertificateNode = dataNode.get(i).get("encrypt_certificate");
         //解密
         String cert = decryptor.decryptToString(
-            encryptCertificateNode.get("associated_data").toString().replaceAll("\"", "")
-                .getBytes("utf-8"),
-            encryptCertificateNode.get("nonce").toString().replaceAll("\"", "")
-                .getBytes("utf-8"),
-            encryptCertificateNode.get("ciphertext").toString().replaceAll("\"", ""));
+          encryptCertificateNode.get("associated_data").toString().replaceAll("\"", "")
+            .getBytes(StandardCharsets.UTF_8),
+          encryptCertificateNode.get("nonce").toString().replaceAll("\"", "")
+            .getBytes(StandardCharsets.UTF_8),
+          encryptCertificateNode.get("ciphertext").toString().replaceAll("\"", ""));
 
         X509Certificate x509Cert = PemUtils
-            .loadCertificate(new ByteArrayInputStream(cert.getBytes("utf-8")));
+          .loadCertificate(new ByteArrayInputStream(cert.getBytes(StandardCharsets.UTF_8)));
         try {
           x509Cert.checkValidity();
         } catch (CertificateExpiredException | CertificateNotYetValidException e) {
@@ -156,6 +167,7 @@ private List<X509Certificate> deserializeToCerts(byte[] apiV3Key, String body)
         newCertList.add(x509Cert);
       }
     }
+
     return newCertList;
   }
 }