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/*
* Copyright (c) 2014 Hewlett-Packard Development Company, L.P. and others. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/epl-v10.html
*/
package org.opendaylight.aaa.api;
import java.util.Map;
/**
* An interface for in-bound claim transformation.
*
* @author liemmn
*
*/
public interface ClaimAuth {
/**
* Transform a map of opaque in-bound claims into a {@link Claim} object. An
* example of an opaque claim map entry is
* <code>"USER_NAME" -> "joe".</code>
* <p>
* If there is no applicable claim information for the current
* implementation, this method should return a <code>null</code>.
* <p>
* In-bound claims are extracted from HttpServletRequest attributes,
* headers, and CGI variables as documented per Servlet specs.
*
* @param claim
* opaque claim
* @return normalized claim, or null if not applicable
*/
Claim transform(Map<String, Object> claim);
}
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