Optimize Logging

core/src/com/isharryh/arkpets/ArkPets.java

@@ -56,7 +56,6 @@ public ArkPets(String $title) {
 	public void create() {
 		// When the APP was created
 		// 1.App setup
-		Gdx.app.setLogLevel(3);
 		Gdx.app.log("event", "AP:Create");
 		Gdx.input.setInputProcessor(this);
 		config = Objects.requireNonNull(ArkConfig.getConfig());

desktop/src/com/isharryh/arkpets/DesktopLauncher.java

@@ -3,20 +3,23 @@
  */
 package com.isharryh.arkpets;
 
+import com.isharryh.arkpets.utils.ArgPending;
 import javafx.application.Application;
 
 
 /** The entrance of the whole program, also the bootstrap for ArkHomeFX.
  * @see com.isharryh.arkpets.ArkHomeFX
  */
 public class DesktopLauncher {
-	public static void main (String[] arg) {
-		if (arg.length > 0 && arg[0].equals("--direct-start")) {
-			EmbeddedLauncher.main(arg);
-			return;
-		}
+	public static void main (String[] args) {
+		new ArgPending("--direct-start", args) {
+			protected void process(String command, String addition) {
+				EmbeddedLauncher.main(args);
+				System.exit(0);
+			}
+		};
 		// Java FX bootstrap
-		Application.launch(ArkHomeFX.class, arg);
+		Application.launch(ArkHomeFX.class, args);
 		System.exit(0);
 	}
 }

desktop/src/com/isharryh/arkpets/EmbeddedLauncher.java

@@ -3,10 +3,12 @@
  */
 package com.isharryh.arkpets;
 
+import com.badlogic.gdx.Application;
 import com.badlogic.gdx.backends.lwjgl3.Lwjgl3Application;
 import com.badlogic.gdx.backends.lwjgl3.Lwjgl3ApplicationConfiguration;
 import com.badlogic.gdx.graphics.Color;
 
+import com.isharryh.arkpets.utils.ArgPending;
 import com.sun.jna.platform.win32.User32;
 import com.sun.jna.platform.win32.WinDef.HWND;
 
@@ -17,7 +19,7 @@
 public class EmbeddedLauncher {
 	// Please note that on macOS your application needs to be started with the -XstartOnFirstThread JVM argument
 
-	public static void main (String[] arg) {
+	public static void main (String[] args) {
 		Lwjgl3ApplicationConfiguration config = new Lwjgl3ApplicationConfiguration();
 		// Configure FPS
 		config.setForegroundFPS(30);
@@ -39,6 +41,23 @@ public static void main (String[] arg) {
 		config.setWindowPosition(0, 0);
 		// Instantiate the App
 		Lwjgl3Application app = new Lwjgl3Application(new ArkPets(TITLE), config);
+		// Set logging level
+		app.setLogLevel(Application.LOG_DEBUG);
+		new ArgPending("--quiet", args) {
+			protected void process(String command, String addition) {
+				app.setLogLevel(Application.LOG_ERROR);
+			}
+		};
+		new ArgPending("--info", args) {
+			protected void process(String command, String addition) {
+				app.setLogLevel(Application.LOG_INFO);
+			}
+		};
+		new ArgPending("--debug", args) {
+			protected void process(String command, String addition) {
+				app.setLogLevel(Application.LOG_DEBUG);
+			}
+		};
 	}
 
 	private static String applyWindowTitle() {

desktop/src/com/isharryh/arkpets/utils/ArgPending.java

@@ -0,0 +1,64 @@
+/** Copyright (c) 2022-2023, Harry Huang
+ * At GPL-3.0 License
+ */
+package com.isharryh.arkpets.utils;
+
+abstract public class ArgPending {
+    private static final String argPrefix = "-";
+    private final String pattern;
+
+    /** Initialize an Argument Pending instance.
+     * @param pattern The specified argument string to be match.
+     */
+    public ArgPending(String pattern) {
+        this.pattern = pattern;
+    }
+
+    /** Initialize an Argument Pending instance and deal a given arguments list.
+     * @param pattern The specified argument string to be match.
+     * @param args The given arguments list to be dealt.
+     */
+    public ArgPending(String pattern, String[] args) {
+        this.pattern = pattern;
+        this.judge(args);
+    }
+
+    /** Deal a given arguments list.
+     * If the pattern specified before matches one of the arguments, the method {@code process()} will be invoked.
+     * @param args The given arguments list to be dealt.
+     * @return Whether the pattern specified before matches one of the arguments.
+     */
+    public boolean judge(String[] args) {
+        if (args.length == 0)
+            return false;
+        String addition = null;
+        String command = null;
+        boolean specified = false;
+
+        for (String arg: args) {
+            if (arg != null) {
+                if (specified) {
+                    if (arg.indexOf(argPrefix) != 0)
+                        addition = arg;
+                    else
+                        break;
+                } else if (arg.equals(pattern)) {
+                    command = arg;
+                    specified = true;
+                }
+            }
+        }
+
+        if (command != null) {
+            process(command, addition);
+            return true;
+        }
+        return false;
+    }
+
+    /** To process the argument.
+     * @param command The argument string.
+     * @param addition The additional string which is nullable.
+     */
+    abstract protected void process(String command, String addition);
+}