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| Rev | Author | Line No. | Line |
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| 86 | rm5248 | 1 | /* |
| 2 | * Licensed to the Apache Software Foundation (ASF) under one |
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| 3 | * or more contributor license agreements. See the NOTICE file |
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| 4 | * distributed with this work for additional information |
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| 5 | * regarding copyright ownership. The ASF licenses this file |
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| 6 | * to you under the Apache License, Version 2.0 (the |
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| 7 | * "License"); you may not use this file except in compliance |
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| 8 | * with the License. You may obtain a copy of the License at |
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| 9 | * |
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| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
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| 11 | * |
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| 12 | * Unless required by applicable law or agreed to in writing, |
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| 13 | * software distributed under the License is distributed on an |
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| 14 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
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| 15 | * KIND, either express or implied. See the License for the |
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| 16 | * specific language governing permissions and limitations |
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| 17 | * under the License. |
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| 18 | */ |
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| 19 | package org.apache.sshd.common; |
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| 20 | |||
| 21 | import java.io.IOException; |
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| 22 | import java.util.List; |
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| 23 | |||
| 24 | public interface ServiceFactory { |
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| 25 | |||
| 26 | /** |
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| 27 | * Name of this factory |
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| 28 | * @return |
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| 29 | */ |
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| 30 | String getName(); |
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| 31 | |||
| 32 | Service create(Session session) throws IOException; |
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| 33 | |||
| 34 | /** |
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| 35 | * Utility class to help using NamedFactories |
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| 36 | */ |
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| 37 | public static class Utils { |
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| 38 | |||
| 39 | /** |
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| 40 | * Create an instance of the specified name by looking up the needed factory |
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| 41 | * in the list. |
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| 42 | * |
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| 43 | * @param factories list of available factories |
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| 44 | * @param name the factory name to use |
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| 45 | * @return a newly created object or <code>null</code> if the factory is not in the list |
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| 46 | */ |
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| 47 | public static Service create(List<ServiceFactory> factories, String name, Session session) throws IOException { |
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| 48 | if (factories != null) { |
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| 49 | for (ServiceFactory f : factories) { |
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| 50 | if (f.getName().equals(name)) { |
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| 51 | return f.create(session); |
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| 52 | } |
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| 53 | } |
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| 54 | } |
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| 55 | return null; |
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| 56 | } |
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| 57 | } |
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| 58 | } |