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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.webscripts.connector;
20  
21  import org.springframework.extensions.surf.exception.CredentialVaultProviderException;
22  
23  /**
24   * Interface for a Credential Vault provider
25   * 
26   * @author muzquiano
27   */
28  public interface CredentialVaultProvider
29  {
30      /**
31       * Provide a credential vault for the given ID
32       * 
33       * @param id    Credential vault ID
34       * 
35       * @return a new Credential Vault implementation
36       * 
37       * @throws CredentialVaultProviderException
38       */
39      public CredentialVault provide(String id) throws CredentialVaultProviderException;
40      
41      /**
42       * Provide a key for this Credential Vault for caching purposes
43       * 
44       * @param id        Credential vault ID
45       * @param userId    User ID
46       * 
47       * @return key as appropriate for this Credential Vault implementation
48       */
49      public String generateKey(String id, String userId);
50  }