| /* |
| * Copyright (c) 2012, 2019 Oracle and/or its affiliates. All rights reserved. |
| * Copyright (c) 2018 Payara Foundation and/or its affiliates. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0, which is available at |
| * http://www.eclipse.org/legal/epl-2.0. |
| * |
| * This Source Code may also be made available under the following Secondary |
| * Licenses when the conditions for such availability set forth in the |
| * Eclipse Public License v. 2.0 are satisfied: GNU General Public License, |
| * version 2 with the GNU Classpath Exception, which is available at |
| * https://www.gnu.org/software/classpath/license.html. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 |
| */ |
| |
| package org.glassfish.jersey.internal.inject; |
| |
| import java.lang.annotation.Annotation; |
| import java.lang.reflect.Type; |
| import java.util.ArrayList; |
| import java.util.LinkedHashSet; |
| import java.util.List; |
| import java.util.Set; |
| import javax.inject.Singleton; |
| import javax.ws.rs.ext.ParamConverter; |
| import javax.ws.rs.ext.ParamConverterProvider; |
| |
| /** |
| * An aggregate {@link ParamConverterProvider param converter provider} that loads all |
| * the registered {@link ParamConverterProvider} implementations. |
| * <p /> |
| * When invoked, the provider iterates through the registered implementations until |
| * it finds the first implementation that returns a non-null {@link ParamConverter param converter}, |
| * which is subsequently returned from the factory. In case no non-null string reader |
| * instance is found, {@code null} is returned from the factory. {@link org.glassfish.jersey.internal.inject.Custom Custom} |
| * providers are iterated first, so that user registered providers are preferred against internal jersey providers. |
| * |
| * @author Paul Sandoz |
| * @author Marek Potociar |
| * @author Miroslav Fuksa |
| */ |
| |
| @Singleton |
| public class ParamConverterFactory implements ParamConverterProvider { |
| |
| private final List<ParamConverterProvider> converterProviders; |
| |
| public ParamConverterFactory(Set<ParamConverterProvider> providers, Set<ParamConverterProvider> customProviders) { |
| |
| Set<ParamConverterProvider> copyProviders = new LinkedHashSet<>(providers); |
| converterProviders = new ArrayList<>(); |
| converterProviders.addAll(customProviders); |
| copyProviders.removeAll(customProviders); |
| converterProviders.addAll(copyProviders); |
| } |
| |
| @Override |
| public <T> ParamConverter<T> getConverter(Class<T> rawType, Type genericType, Annotation[] annotations) { |
| for (ParamConverterProvider provider : converterProviders) { |
| @SuppressWarnings("unchecked") |
| ParamConverter<T> converter = provider.getConverter(rawType, genericType, annotations); |
| if (converter != null) { |
| return converter; |
| } |
| } |
| return null; |
| } |
| } |