From f846094a5b0fd5930ff78f4bff6777257528a800 Mon Sep 17 00:00:00 2001
From: fxbin <fxbin123@gmail.com>
Date: Tue, 19 Sep 2023 03:06:46 +0800
Subject: [PATCH] =?UTF-8?q?refactor:=20:art:=20=E9=94=99=E8=AF=AF=E7=A0=81?=
 =?UTF-8?q?=E5=AE=9A=E4=B9=89=E9=AA=8C=E8=AF=81=E5=AE=9E=E7=8E=B0?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../fxbin/bubble/core/constant/CharPool.java  | 10 ++++
 .../bubble/core/constant/StringPool.java      |  5 ++
 .../bubble/core/dataobject/ErrorCode.java     | 50 ++++++++++++++++++-
 3 files changed, 63 insertions(+), 2 deletions(-)

diff --git a/bubble-core/src/main/java/cn/fxbin/bubble/core/constant/CharPool.java b/bubble-core/src/main/java/cn/fxbin/bubble/core/constant/CharPool.java
index 264552c6..e3ff4adb 100644
--- a/bubble-core/src/main/java/cn/fxbin/bubble/core/constant/CharPool.java
+++ b/bubble-core/src/main/java/cn/fxbin/bubble/core/constant/CharPool.java
@@ -49,4 +49,14 @@ public interface CharPool {
      */
     char UNDERLINE = '_';
 
+    /**
+     * 字符常量：冒号 {@code ':'}
+     */
+    char COLON = ':';
+
+    /**
+     * 字符常量：艾特 {@code '@'}
+     */
+    char AT = '@';
+
 }
diff --git a/bubble-core/src/main/java/cn/fxbin/bubble/core/constant/StringPool.java b/bubble-core/src/main/java/cn/fxbin/bubble/core/constant/StringPool.java
index 93d613da..585c9077 100644
--- a/bubble-core/src/main/java/cn/fxbin/bubble/core/constant/StringPool.java
+++ b/bubble-core/src/main/java/cn/fxbin/bubble/core/constant/StringPool.java
@@ -64,6 +64,11 @@ public interface StringPool {
      */
     String COMMA = ",";
 
+    /**
+     * 冒号
+     */
+    String COLON = ":";
+
     /**
      * 点
      */
diff --git a/bubble-core/src/main/java/cn/fxbin/bubble/core/dataobject/ErrorCode.java b/bubble-core/src/main/java/cn/fxbin/bubble/core/dataobject/ErrorCode.java
index 58a8732e..51bfe109 100644
--- a/bubble-core/src/main/java/cn/fxbin/bubble/core/dataobject/ErrorCode.java
+++ b/bubble-core/src/main/java/cn/fxbin/bubble/core/dataobject/ErrorCode.java
@@ -2,6 +2,7 @@
 
 
 import java.io.Serializable;
+import java.util.ServiceLoader;
 
 /**
  * 错误代码
@@ -80,19 +81,64 @@ default boolean is5xxServerError() {
      * @see #is4xxClientError()
      * @see #is5xxServerError()
      */
-    boolean isError();
+    default boolean isError() {
+        return true;
+    };
 
     default boolean isSameCodeAs(ErrorCode other) {
         return value() == other.value();
     }
 
+    /**
+     * 值
+     *
+     * 这是一种示例，关于BizErrorCodee 实现的
+     *
+     * @AutoService(BizErrorCode.class)
+     * public class AppErrorCode implements BizErrorCode {
+     *  public static final AppErrorCode USERNAME_FORMAT_ERROR = new AppErrorCode(1000000, "用户名格式有误");
+     *  private int value;
+     *  private String reasonPhrase;
+     *  public AppErrorCode() {}
+     *  public AppErrorCode(int value, String reasonPhrase) {
+     *       this.value = value;
+     *       this.reasonPhrase = reasonPhrase;
+     *  }
+     *  @Override
+     *  public int value() {
+     *       return this.value;
+     *  }
+     *   @Override
+     *  public String reasonPhrase() {
+     *       return this.reasonPhrase;
+     *  }
+     *  public BizErrorCode resolve(int errorCode) {
+     *           return Arrays.stream(ReflectUtil.getFields(AppErrorCode.class))
+     *                   .filter(field -> !"value".equals(field.getName()) && !"reasonPhrase".equals(field.getName()))
+     *                   .filter(field -> ((AppErrorCode) ReflectUtil.getStaticFieldValue(field)).value == errorCode)
+     *                   .map(field -> ((AppErrorCode) ReflectUtil.getStaticFieldValue(field)))
+     *                   .findAny().orElse(null);
+     *  }
+     * }
+     *
+     * @param code code
+     * @return {@link ErrorCode}
+     */
     static ErrorCode valueOf(int code) {
         GlobalErrorCode errorCode = GlobalErrorCode.resolve(code);
         if (errorCode != null) {
             return errorCode;
         }
 
-        // TODO 实现对业务错误码的判断
+        // BizErrorCode 实现类的一种可行的示例：
+        //
+        ServiceLoader<BizErrorCode> errCodeLoader = ServiceLoader.load(BizErrorCode.class);
+        for (BizErrorCode codeLoader : errCodeLoader) {
+            BizErrorCode bizErrorCode = codeLoader.resolve(code);
+            if (bizErrorCode.value() == code) {
+                return bizErrorCode;
+            }
+        }
 
         return null;
     }