Make FixedGlobalFlagStorage load the options from file

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/region/flags/Flag.java

@@ -21,6 +21,7 @@ package de.steamwar.bausystem.region.flags;
 
 import de.steamwar.bausystem.shared.EnumDisplay;
 import lombok.Getter;
+import lombok.NonNull;
 
 import java.util.HashSet;
 import java.util.Set;
@@ -70,6 +71,24 @@ public final class Flag<T extends Enum<T> & Flag.Value<T>> implements EnumDispla
         this.values = defaultValue.getValues();
     }
 
+    public static Flag<?> valueOf(@NonNull String name) {
+        for (Flag<?> flag : flags) {
+            if (flag.name.equalsIgnoreCase(name)) {
+                return flag;
+            }
+        }
+        throw new IllegalArgumentException("No enum constant Flag." + name);
+    }
+
+    public Flag.Value<?> valueOfValue(@NonNull String name) {
+        for (Flag.Value<?> value : values) {
+            if (value.name().equalsIgnoreCase(name)) {
+                return value;
+            }
+        }
+        throw new IllegalArgumentException("No enum constant Flag." + this.name + "." + name);
+    }
+
     public String name() {
         return name;
     }