/*
 * Intake, a command processing library
 * Copyright (C) sk89q <http://www.sk89q.com>
 * Copyright (C) Intake team and contributors
 *
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Lesser 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 Lesser General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

package com.sk89q.intake.internal.parametric;

import com.sk89q.intake.argument.CommandArgs;
import com.sk89q.intake.argument.Namespace;
import com.sk89q.intake.parametric.Provider;

import javax.annotation.Nullable;
import java.lang.annotation.Annotation;
import java.util.Collections;
import java.util.List;

class ConstantProvider<T> implements Provider<T> {

    private final T value;

    public ConstantProvider(T value) {
        this.value = value;
    }

    @Override
    public boolean isProvided() {
        return true;
    }

    @Nullable
    @Override
    public T get(CommandArgs arguments, List<? extends Annotation> modifiers) {
        return value;
    }

    @Override
    public List<String> getSuggestions(String prefix, Namespace locals) {
        return Collections.emptyList();
    }

}
