[IMPL] load multiple configs

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/util/ConfigUtil.java

@@ -0,0 +1,40 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.util;
+
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.config.AttributeConfig;
+import at.pcgamingfreaks.yaml.YAML;
+import at.pcgamingfreaks.yaml.YamlInvalidContentException;
+import at.pcgamingfreaks.yaml.YamlKeyNotFoundException;
+import lombok.extern.log4j.Log4j2;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.List;
+import java.util.stream.Collectors;
+
+@Log4j2
+public class ConfigUtil {
+    public static List<AttributeConfig> loadConfig() {
+        try(YAML yaml = new YAML(new File("./src/main/resources/config.yaml"))){
+            return yaml.getKeysFiltered(".*audio.*").stream()
+                    .sorted()
+                    .map(elem -> elem.replace(".audio", ""))
+                    .map(elem -> createAttributeConfig(elem, yaml))
+                    .collect(Collectors.toList());
+        }catch(YamlInvalidContentException | IOException e){
+            log.fatal("Config could not be loaded");
+            e.printStackTrace();
+        }
+        return null;
+    }
+
+    private static AttributeConfig createAttributeConfig(String key, YAML yaml) {
+        try{
+            return new AttributeConfig(
+                    yaml.getStringList(key + ".audio"),
+                    yaml.getStringList(key + ".subtitle"));
+        }catch(YamlKeyNotFoundException e){
+            e.printStackTrace();
+            return null;
+        }
+    }
+}