001/*
002 *  Copyright 2024 Anyware Services
003 *
004 *  Licensed under the Apache License, Version 2.0 (the "License");
005 *  you may not use this file except in compliance with the License.
006 *  You may obtain a copy of the License at
007 *
008 *      http://www.apache.org/licenses/LICENSE-2.0
009 *
010 *  Unless required by applicable law or agreed to in writing, software
011 *  distributed under the License is distributed on an "AS IS" BASIS,
012 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 *  See the License for the specific language governing permissions and
014 *  limitations under the License.
015 */
016
017package org.ametys.runtime.plugin.component;
018
019import java.util.List;
020import java.util.stream.Stream;
021
022/**
023 * Avalon based implementation of an {@link Supporter} ExtensionPoint.<br>
024 * @param <T> the type of the managed extensions, must implement {@link Supporter}
025 * @param <X> The type of element supported
026 */
027public abstract class AbstractThreadSafeComponentSupporterExtensionPoint<T extends Supporter<X>, X> extends AbstractThreadSafeComponentExtensionPoint<T>
028{
029    /**
030     * Get the extensions that support the element.
031     * @param element The element
032     * @return The list of extensions
033     */
034    public List<T> getSupportingExtensions(X element)
035    {
036        return _getSupportingExtensions(element).toList();
037    }
038
039    /**
040     * Get the extensions that support the element.
041     * Override this method to add specific filters, it will impact all other
042     * methods getting supported extensions.
043     * @param element The element
044     * @return The list of extensions as a {@link Stream}
045     */
046    protected Stream<T> _getSupportingExtensions(X element)
047    {
048        return getExtensionsIds().stream()
049                // Get the extensions from the ids
050                .map(this::getExtension)
051                // Only keep the extensions that support the element
052                .filter(extension -> extension.supports(element));
053    }
054}