/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ package org.apache.sshd.common; import java.io.IOException; import java.util.Collection; import org.apache.sshd.common.session.Session; public interface ServiceFactory extends NamedResource { Service create(Session session) throws IOException; /** * Create an instance of the specified name by looking up the needed factory * in the list (case <U>insensitive</U>. * * @param factories list of available factories * @param name the factory name to use * @param session the referenced {@link Session} * @return a newly created object or {@code null} if the factory is not in the list * @throws IOException if session creation failed * @see ServiceFactory#create(Session) */ static Service create(Collection<? extends ServiceFactory> factories, String name, Session session) throws IOException { ServiceFactory factory = NamedResource.findByName(name, String.CASE_INSENSITIVE_ORDER, factories); if (factory == null) { return null; } else { return factory.create(session); } } }