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1   /**
2    * Copyright (C) 2005-2009 Alfresco Software Limited.
3    *
4    * This file is part of the Spring Surf Extension project.
5    *
6    * Licensed under the Apache License, Version 2.0 (the "License");
7    * you may not use this file except in compliance with the License.
8    * You may obtain a copy of the License at
9    *
10   *  http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   */
18  
19  package org.springframework.extensions.surf.resource;
20  
21  /**
22   * Interface for web framework resource loader factories.
23   * 
24   * @author muzquiano
25   */
26  public interface ResourceLoaderFactory
27  {
28      /**
29       * Returns a resource loader that is bound to the given
30       * endpoint.
31       * 
32       * @param protocolId the protocol id
33       * @param endpointId the endpoint id
34       * 
35       * @return the resource loader
36       */
37      public ResourceLoader getResourceLoader(String protocolId, String endpointId);
38      
39      /**
40       * Returns the order of preference for this resource loader
41       * 
42       * @return order
43       */
44      public int getOrder();
45      
46      /**
47       * Identifies whether this factory can produce resource
48       * loaders that can handle the given protocol
49       * 
50       * @param protocolId
51       * 
52       * @return whether this factory can produce for the given protocol 
53       */
54      public boolean canHandle(String protocolId);    
55  }