From 1ed01efabc0772bf5e46a34a4f11e2daf03bbf17 Mon Sep 17 00:00:00 2001
From: ZhouXY108 <luquanlion@outlook.com>
Date: Sun, 16 Apr 2023 00:43:34 +0800
Subject: [PATCH] =?UTF-8?q?=E5=B0=86=20IWithCode=20=E5=92=8C=20BaseExcepti?=
 =?UTF-8?q?on=20=E7=A7=BB=E5=9B=9E=E6=9D=A5=E3=80=82?=
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---
 .../commons/exception/BaseException.java      | 49 +++++++++++++++++++
 .../plusone/commons/exception/IWithCode.java  | 29 +++++++++++
 2 files changed, 78 insertions(+)
 create mode 100644 src/main/java/xyz/zhouxy/plusone/commons/exception/BaseException.java
 create mode 100644 src/main/java/xyz/zhouxy/plusone/commons/exception/IWithCode.java

diff --git a/src/main/java/xyz/zhouxy/plusone/commons/exception/BaseException.java b/src/main/java/xyz/zhouxy/plusone/commons/exception/BaseException.java
new file mode 100644
index 0000000..1e4e930
--- /dev/null
+++ b/src/main/java/xyz/zhouxy/plusone/commons/exception/BaseException.java
@@ -0,0 +1,49 @@
+/*
+ * Copyright 2022-2023 the original author or authors.
+ *
+ * Licensed 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
+ *
+ *      https://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 xyz.zhouxy.plusone.commons.exception;
+
+/**
+ * 带错误码的异常。
+ *
+ * @author <a href="https://gitee.com/zhouxy108">ZhouXY</a>
+ */
+public abstract class BaseException extends RuntimeException implements IWithCode {
+
+    private static final long serialVersionUID = -2546365325001947203L;
+
+    private final int code;
+
+    protected BaseException(int code, String msg) {
+        super(msg);
+        this.code = code;
+    }
+
+    protected BaseException(int code, Throwable cause) {
+        super(cause);
+        this.code = code;
+    }
+
+    protected BaseException(int code, String msg, Throwable cause) {
+        super(msg, cause);
+        this.code = code;
+    }
+
+    @Override
+    public int getCode() {
+        return this.code;
+    }
+}
diff --git a/src/main/java/xyz/zhouxy/plusone/commons/exception/IWithCode.java b/src/main/java/xyz/zhouxy/plusone/commons/exception/IWithCode.java
new file mode 100644
index 0000000..d061c36
--- /dev/null
+++ b/src/main/java/xyz/zhouxy/plusone/commons/exception/IWithCode.java
@@ -0,0 +1,29 @@
+/*
+ * Copyright 2022-2023 the original author or authors.
+ *
+ * Licensed 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
+ *
+ *      https://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 xyz.zhouxy.plusone.commons.exception;
+
+/**
+ * 规定实现类带有 {@code getCode} 方法。
+ * 用于像自定义异常等需要带有 {@code code} 字段的类，
+ * 方便其它地方的程序判断该类的是否实现了此接口，以此获取其实例的 {@code code} 字段的值。
+ *
+ * @author <a href="https://gitee.com/zhouxy108">ZhouXY</a>
+ * @see BaseException
+ */
+public interface IWithCode {
+    int getCode();
+}