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.Optional;
021import java.util.stream.Stream;
022
023/**
024 * Avalon based implementation of an {@link Supporter} and {@link Prioritizable} ExtensionPoint.<br>
025 * @param <T> the type of the managed extensions, must implement {@link Supporter} and {@link Prioritizable}
026 * @param <X> The type of element supported
027 */
028public abstract class AbstractThreadSafeComponentPrioritizableSupporterExtensionPoint<T extends Prioritizable & Supporter<X>, X> extends AbstractThreadSafeComponentPrioritizableExtensionPoint<T>
029{
030    /**
031     * Get the extension that support the element
032     * @param element The element
033     * @return The list of extensions
034     */
035    public List<T> getSupportingExtensions(X element)
036    {
037        return _getSupportingExtensions(element).toList();
038    }
039    
040    /**
041     * Get the first extension that support the element
042     * @param element The element
043     * @return The extension
044     */
045    public Optional<T> getFirstSupportingExtension(X element)
046    {
047        return _getSupportingExtensions(element).findFirst();
048    }
049    
050    private Stream<T> _getSupportingExtensions(X element)
051    {
052        return getExtensionsIds().stream()
053                // Get the extensions from the ids
054                .map(this::getExtension)
055                // Only keep the extensions that support the element
056                .filter(extension -> extension.supports(element));
057    }
058}