made some preferences configurable

backend/Readme.md

@@ -0,0 +1,8 @@
+# Backend
+
+This module manages all backend services, i.e.:
+
+* it loads the configuration
+* starts a webserver
+* binds all other api modules to the webserver
+* binds the web module to the webserver

backend/build.gradle.kts

@@ -16,9 +16,11 @@ dependencies{
     implementation(project(":translations"))
     implementation(project(":user"))
     implementation(project(":web"))
-
+    implementation("de.srsoftware:configuration.api:1.0.2")
+    implementation("de.srsoftware:configuration.json:1.0.3")
     implementation("de.srsoftware:tools.optionals:1.0.0")
     implementation("de.srsoftware:tools.util:2.0.3")
+    implementation("org.json:json:20240303")
 }
 
 tasks.jar {

backend/src/main/java/de/srsoftware/umbrella/backend/Application.java

@@ -1,39 +1,58 @@
 /* © SRSoftware 2025 */
 package de.srsoftware.umbrella.backend;
 
+import static de.srsoftware.umbrella.core.Constants.UMBRELLA;
+import static de.srsoftware.umbrella.core.Util.mapLogLevel;
 import static java.lang.System.Logger.Level.DEBUG;
 import static java.lang.System.Logger.Level.INFO;
 
 import com.sun.net.httpserver.HttpServer;
+import de.srsoftware.configuration.JsonConfig;
 import de.srsoftware.tools.ColorLogger;
 import de.srsoftware.umbrella.core.ConnectionProvider;
 import de.srsoftware.umbrella.translations.Translations;
 import de.srsoftware.umbrella.user.UserModule;
 import de.srsoftware.umbrella.user.sqlite.SqliteDB;
 import de.srsoftware.umbrella.web.WebHandler;
+import org.json.JSONObject;
+
 import java.io.IOException;
 import java.net.InetSocketAddress;
 import java.util.concurrent.Executors;
 
 public class Application {
 	private static final System.Logger LOG       = System.getLogger("Umbrella");
-	private static final String USER_DB          = "/home/srichter/workspace/umbrella/data/umbrella.db";
-	private static final String LOGIN_SERVICE_DB = "/home/srichter/workspace/umbrella/data/umbrella.db";
+
+	private static void configureLogging(JsonConfig jsonConfig) {
+		var rootLevel = jsonConfig.get("umbrella.logging.rootLevel", "INFO");
+		ColorLogger.setRootLogLevel(mapLogLevel(rootLevel));
+
+		var loggers = jsonConfig.get("umbrella.logging.loggers").orElse(null);
+		if (loggers instanceof JSONObject json){
+			json.keySet().forEach(key -> {
+				var lvl = mapLogLevel(json.getString(key));
+				ColorLogger.setLogLevel(key,lvl);
+			});
+		}
+	}
 
 	public static void main(String[] args) throws IOException {
-		ColorLogger.setRootLogLevel(DEBUG);
 		LOG.log(INFO, "Starting Umbrella:");
-		var	 port              = 8080;
-		var threads            = 16;
+		var jsonConfig = new JsonConfig(UMBRELLA);
+		configureLogging(jsonConfig);
+		var	port               = jsonConfig.get("umbrella.http.port", 8080);
+		var	threads            = jsonConfig.get("umbrella.threads", 16);
+		var userDB             = jsonConfig.get("umbrella.database.user",          jsonConfig.file().getParent()+"/umbrella.db");
+		var loginDB            = jsonConfig.get("umbrella.database.login_services",jsonConfig.file().getParent()+"/umbrella.db");
 		var connectionProvider = new ConnectionProvider();
-		var userDb             = new SqliteDB(connectionProvider.get(USER_DB));
-		var loginServicedb     = new SqliteDB(connectionProvider.get(LOGIN_SERVICE_DB));
-		HttpServer server      = HttpServer.create(new InetSocketAddress(port), 0);
+		var userDb             = new SqliteDB(connectionProvider.get(userDB));
+		var loginServicedb     = new SqliteDB(connectionProvider.get(loginDB));
+		var server             = HttpServer.create(new InetSocketAddress(port), 0);
 		server.setExecutor(Executors.newFixedThreadPool(threads));
 		new WebHandler().bindPath("/").on(server);
 		new UserModule(userDb,loginServicedb).bindPath("/api/user").on(server);
 		new Translations().bindPath("/api/translations").on(server);
-		LOG.log(INFO,"Started web server at {0}",port);
 		server.start();
+		LOG.log(INFO,"Started web server at {0}",port);
 	}
 }

core/src/main/java/de/srsoftware/umbrella/core/Util.java

@@ -21,6 +21,16 @@ public class Util {
 	public static final System.Logger LOG = System.getLogger("Util");
 	private Util(){}
 
+	public static System.Logger.Level mapLogLevel(String lbl) {
+		return switch (lbl){
+			case "ERROR" -> ERROR;
+			case "WARN" -> WARNING;
+			case "DEBUG" -> DEBUG;
+			case "TRACE" -> TRACE;
+			default -> INFO;
+		};
+	}
+
 	public static HttpURLConnection open(URL url) throws IOException {
 		var conn = (HttpURLConnection) url.openConnection();
 		conn.setRequestProperty("Accept","*/*");