Add CommandFramework module

2024-08-04 20:26:46 +02:00
parent 9f8eb6194b
commit 11b4fd3b9b
44 changed files with 3795 additions and 0 deletions
@@ -0,0 +1,96 @@
+/*
+ * This file is a part of the SteamWar software.
+ *
+ * Copyright (C) 2022  SteamWar.de-Serverteam
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.command;
+
+import lombok.RequiredArgsConstructor;
+
+import java.util.function.BooleanSupplier;
+import java.util.function.Function;
+import java.util.function.Predicate;
+
+@FunctionalInterface
+public interface AbstractValidator<K, T> {
+
+    /**
+     * Validates the given value.
+     *
+     * @param sender The sender of the command.
+     * @param value The value to validate or null if mapping returned null.
+     * @param messageSender The message sender to send messages to the player. Never send messages directly to the player.
+     * @return The result of the validation.
+     */
+    boolean validate(K sender, T value, MessageSender messageSender);
+
+    @Deprecated
+    default <C> Validator<C> validate(C value, MessageSender messageSender) {
+        return new Validator<>(value, messageSender);
+    }
+
+    @Deprecated
+    @RequiredArgsConstructor
+    class Validator<C> {
+        private final C value;
+        private final MessageSender messageSender;
+
+        private boolean valid = true;
+
+        public <M> Validator<M> map(Function<C, M> mapper) {
+            return new Validator<>(mapper.apply(value), messageSender).set(valid);
+        }
+
+        public Validator<C> set(boolean value) {
+            this.valid = value;
+            return this;
+        }
+
+        public Validator<C> and(Predicate<C> predicate) {
+            valid &= predicate.test(value);
+            return this;
+        }
+
+        public Validator<C> or(Predicate<C> predicate) {
+            valid |= predicate.test(value);
+            return this;
+        }
+
+        public Validator<C> errorMessage(String s, Object... args) {
+            if (!valid) messageSender.send(s, args);
+            return this;
+        }
+
+        public boolean result() {
+            return valid;
+        }
+    }
+
+    @FunctionalInterface
+    interface MessageSender {
+        void send(String s, Object... args);
+
+        default boolean send(boolean condition, String s, Object... args) {
+            if (condition) send(s, args);
+            return condition;
+        }
+
+        default boolean send(BooleanSupplier condition, String s, Object... args) {
+            return send(condition.getAsBoolean(), s, args);
+        }
+    }
+}