📝 增加缓存配置、去掉slf4j依赖、增加Log工具类等

src/main/java/me/zhyd/oauth/log/Log.java

@@ -0,0 +1,126 @@
+package me.zhyd.oauth.log;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+import java.io.PrintStream;
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+
+/**
+ * 针对JustAuth提供的轻量级的日志打印工具
+ *
+ * @author yadong.zhang (yadong.zhang0415(a)gmail.com)
+ * @version 1.0
+ * @date 2019/8/1 17:14
+ * @since 1.8
+ */
+public class Log {
+
+    public static void debug(String msg) {
+        debug(msg, null);
+    }
+
+    public static void warn(String msg) {
+        warn(msg, null);
+    }
+
+    public static void error(String msg) {
+        error(msg, null);
+    }
+
+    public static void debug(String msg, Throwable t) {
+        print(Level.DEBUG, msg, t, System.out);
+    }
+
+    public static void warn(String msg, Throwable t) {
+        print(Level.WARN, msg, t, System.out);
+    }
+
+    public static void error(String msg, Throwable t) {
+        print(Level.ERROR, msg, t, System.err);
+    }
+
+    private static void print(Level level, String msg, Throwable t, PrintStream ps) {
+        if (Config.enable) {
+            if (level.getLevelNum() >= Config.level.getLevelNum()) {
+                ps.println(String.format("%s %s %s [%s] - %s", getDate(), Thread.currentThread().getName(), getCaller(), level, msg));
+                writeThrowable(t, ps);
+                ps.flush();
+            }
+        }
+    }
+
+    private static String getCaller() {
+        int offset = 2;
+        StackTraceElement[] stackTraceArr = (new Throwable()).getStackTrace();
+        StackTraceElement stackTrace = null;
+        if (offset >= stackTraceArr.length) {
+            offset = offset - 1;
+        }
+        stackTrace = stackTraceArr[offset];
+        return stackTrace.getClassName() +
+            "(" +
+            stackTrace.getMethodName() +
+            ':' +
+            stackTrace.getLineNumber() +
+            ")";
+    }
+
+    private static String getDate() {
+        return LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"));
+    }
+
+    private static void writeThrowable(Throwable t, PrintStream targetStream) {
+        if (t != null) {
+            t.printStackTrace(targetStream);
+        }
+    }
+
+    /**
+     * 日志级别
+     *
+     * @author yadong.zhang (yadong.zhang0415(a)gmail.com)
+     * @version 1.0
+     * @date 2019/8/2 19:49
+     * @since 1.8
+     */
+    @Getter
+    @AllArgsConstructor
+    public enum Level {
+        /**
+         * DEBUG: 普通级别
+         */
+        DEBUG(10),
+        /**
+         * WARN: 警告级别
+         */
+        WARN(30),
+        /**
+         * ERROR: 异常级别
+         */
+        ERROR(40);
+
+        private int levelNum;
+    }
+
+    /**
+     * 日志配置
+     *
+     * @author yadong.zhang (yadong.zhang0415(a)gmail.com)
+     * @version 1.0
+     * @date 2019/8/1 17:14
+     * @since 1.8
+     */
+    static class Config {
+
+        /**
+         * 需要打印的日志级别
+         */
+        static Level level = Level.DEBUG;
+        /**
+         * 是否启用日志打印功能，默认启用
+         */
+        static boolean enable = true;
+    }
+}