yegor256/takes

/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2014-2024 Yegor Bugayenko
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
package org.takes.it.fm;

import java.io.File;
import java.io.IOException;
import java.util.Collection;
import java.util.LinkedList;
import org.takes.rs.xe.XeChain;
import org.takes.rs.xe.XeSource;
import org.xembly.Directive;
import org.xembly.Directives;

/**
 * Items to show.
 *
 * @since 0.1
 */
final class Items implements XeSource {

    /**
     * Home.
     */
    private final File home;

    /**
     * Ctor.
     * @param dir Home directory
     */
    Items(final File dir) {
        this.home = dir;
    }

    @Override
    @SuppressWarnings("PMD.AvoidInstantiatingObjectsInLoops")
    public Iterable<Directive> toXembly() throws IOException {
        final Collection<XeSource> items = new LinkedList<>();
        final File[] files = this.home.listFiles();
        if (files != null) {
            for (final File file : files) {
                items.add(new Item(file));
            }
        }
        return new Directives().add("files").append(
            new XeChain(items).toXembly()
        );
    }
}