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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  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,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.apache.myfaces.spi;
20  
21  import java.io.IOException;
22  import java.util.Set;
23  
24  import javax.faces.context.ExternalContext;
25  
26  /**
27   * Locate resource library contracts, implementing the behavior described in 
28   * JSF 2.2 section 11.4.2.1 related to discover the available resource library
29   * contracts.
30   * 
31   * @since 2.0.2
32   * @author Leonardo Uribe 
33   */
34  public abstract class ResourceLibraryContractsProvider
35  {
36      
37      public abstract Set<String> getExternalContextResourceLibraryContracts(
38          ExternalContext context) throws IOException;
39      
40      public abstract Set<String> getClassloaderResourceLibraryContracts(
41          ExternalContext context) throws IOException;
42  }