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1   /*
2    * Copyright (C) 2007-2012 Argeo GmbH
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *         http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.argeo.jcr.proxy;
17  
18  import javax.jcr.Node;
19  
20  /** A proxy which nows how to resolve and synchronize relative URLs */
21  public interface ResourceProxy {
22  	/**
23  	 * Proxy the file referenced by this relative path in the underlying
24  	 * repository. A new session is created by each call, so the underlying
25  	 * session of the returned node must be closed by the caller.
26  	 * 
27  	 * @return the proxied Node, <code>null</code> if the resource was not found
28  	 *         (e.g. HTTP 404)
29  	 */
30  	public Node proxy(String relativePath);
31  }