start converting from bukkit to hytale

src/main/java/at/helpch/placeholderapi/commands/PlaceholderCommand.java

@@ -0,0 +1,112 @@
+/*
+ * This file is part of PlaceholderAPI
+ *
+ * PlaceholderAPI
+ * Copyright (c) 2015 - 2026 PlaceholderAPI Team
+ *
+ * PlaceholderAPI free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * PlaceholderAPI 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package at.helpch.placeholderapi.commands;
+
+import java.util.HashSet;
+import java.util.List;
+import java.util.Locale;
+import java.util.Set;
+import java.util.stream.Stream;
+
+import at.helpch.placeholderapi.PlaceholderAPIBootstrap;
+import at.helpch.placeholderapi.PlaceholderAPIPlugin;
+import com.hypixel.hytale.server.core.command.system.CommandSender;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+import org.jetbrains.annotations.Unmodifiable;
+
+public abstract class PlaceholderCommand {
+
+    @NotNull
+    private final String label;
+    @NotNull
+    private final Set<String> alias;
+
+    @Nullable
+    private String permission;
+
+
+    protected PlaceholderCommand(@NotNull final String label, @NotNull final String... alias) {
+        this.label = label;
+        this.alias = Sets.newHashSet(alias);
+
+        setPermission("placeholderapi." + label);
+    }
+
+    @NotNull
+    public static Stream<PlaceholderCommand> filterByPermission(@NotNull final CommandSender sender,
+                                                                @NotNull final Stream<PlaceholderCommand> commands) {
+        return commands.filter(
+                target -> target.getPermission() == null || sender.hasPermission(target.getPermission()));
+    }
+
+    public static void suggestByParameter(@NotNull final Stream<String> possible,
+                                          @NotNull final List<String> suggestions, @Nullable final String parameter) {
+        if (parameter == null) {
+            possible.forEach(suggestions::add);
+        } else {
+            possible.filter(suggestion -> suggestion.toLowerCase(Locale.ROOT).startsWith(parameter.toLowerCase(Locale.ROOT)))
+                    .forEach(suggestions::add);
+        }
+    }
+
+    @NotNull
+    public final String getLabel() {
+        return label;
+    }
+
+    @NotNull
+    @Unmodifiable
+    public final Set<String> getAlias() {
+        return Set.copyOf(alias);
+    }
+
+    @NotNull
+    @Unmodifiable
+    public final Set<String> getLabels() {
+        final Set<String> set = new HashSet<>();
+        set.add(label);
+        set.addAll(alias);
+        return set;
+    }
+
+    @Nullable
+    public final String getPermission() {
+        return permission;
+    }
+
+    public void setPermission(@NotNull final String permission) {
+        this.permission = permission;
+    }
+
+    public void evaluate(@NotNull final PlaceholderAPIBootstrap plugin,
+                         @NotNull final CommandSender sender, @NotNull final String alias,
+                         @NotNull @Unmodifiable final List<String> params) {
+
+    }
+
+    public void complete(@NotNull final PlaceholderAPIBootstrap plugin,
+                         @NotNull final CommandSender sender, @NotNull final String alias,
+                         @NotNull @Unmodifiable final List<String> params, @NotNull final List<String> suggestions) {
+
+    }
+
+}