Add EngineConfiguration#getSetting()

base/src/main/java/de/staropensource/sosengine/base/EngineConfiguration.java

@@ -25,6 +25,8 @@ import de.staropensource.sosengine.base.types.LogIssuer;
 import de.staropensource.sosengine.base.types.LogLevel;
 import de.staropensource.sosengine.base.utility.PropertyParser;
 import lombok.Getter;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 
 import java.util.Properties;
 
@@ -265,4 +267,40 @@ public class EngineConfiguration {
         loggerImmediateShutdown = false;
         loggerForceStandardOutput = false;
     }
+
+    /**
+     * Returns a configuration setting.
+     *
+     * @param setting the setting name
+     * @return the setting's value or {@code null} if not found
+     */
+    @Nullable
+    public Object getSetting(@NotNull String setting) {
+        switch (setting) {
+            case "debug" -> {
+                return debug;
+            }
+            case "debugShortcodeConverter" -> {
+                return debugShortcodeConverter;
+            }
+            case "errorShortcodeConverter" -> {
+                return errorShortcodeConverter;
+            }
+            case "loggerLevel" -> {
+                return loggerLevel;
+            }
+            case "loggerTemplate" -> {
+                return loggerTemplate;
+            }
+            case "loggerImmediateShutdown" -> {
+                return loggerImmediateShutdown;
+            }
+            case "loggerForceStandardOutput" -> {
+                return loggerForceStandardOutput;
+            }
+            default -> {
+                return null;
+            }
+        }
+    }
 }