Add method context-dependent conditional placeholders

Almighty-Satan · Mar 4, 2024 · 80ba151 · 80ba151
1 parent 5d913c5
commit 80ba151
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/core/src/main/java/io/github/almightysatan/slams/Placeholder.java b/core/src/main/java/io/github/almightysatan/slams/Placeholder.java
@@ -26,6 +26,7 @@
 import java.util.List;
 import java.util.Objects;
 import java.util.function.BooleanSupplier;
+import java.util.function.Predicate;
 
 /**
  * Represents a placeholder. Extends {@link PlaceholderResolver} as a placeholder can resolve itself.
@@ -220,6 +221,15 @@ public interface Placeholder extends PlaceholderResolver {
         return contextual(key, type, (ContextualValueFunction<T>) contextValueFunction);
     }
 
+    static <T extends Context> @NotNull Placeholder conditional(@NotNull String key, @NotNull Class<T> type, @NotNull Predicate<@NotNull T> valueFunction) {
+        Objects.requireNonNull(valueFunction);
+        return contextual(key, type, (context, arguments) -> {
+            if (arguments.size() != 2)
+                return "INVALID_CONDITIONAL";
+            return valueFunction.test(context) ? arguments.get(0) : arguments.get(1);
+        });
+    }
+
     static @NotNull Placeholder conditional(@NotNull String key, @NotNull BooleanSupplier valueFunction) {
         Objects.requireNonNull(valueFunction);
         return of(key, (context, arguments) -> {