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 *
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 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
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 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
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package org.glassfish.security.services.spi.authorization;

import java.util.List;

import org.glassfish.security.services.api.authorization.AzAttributeResolver;
import org.glassfish.security.services.api.authorization.AzEnvironment;
import org.glassfish.security.services.api.authorization.AzResource;
import org.glassfish.security.services.api.authorization.AzSubject;
import org.glassfish.security.services.api.authorization.RoleMappingService;
import org.glassfish.security.services.spi.SecurityProvider;

import org.jvnet.hk2.annotations.Contract;

/**
 * RoleMappingProvider instances are used by the
 * {@link org.glassfish.security.services.api.authorization.RoleMappingService}
 * to evaluate role policy conditions.
 * 
 * The security provider is part of a plug-in mechanism which allows decisions
 * to be handled by a configured implementation.
 */
@Contract
public interface RoleMappingProvider extends SecurityProvider {

	/**
	 * Determine whether the user (AzSubject) has the indicated role
	 * for a given resource (AzResource) and application context.
	 *
	 * @param appContext The application context for the query (can be null).
	 * @param subject The target Subject.
	 * @param resource The URI resource for the query.
	 * @param role The target role.
	 * @param environment The attributes collection representing the environment.
	 * @param attributeResolvers The ordered list of attribute resolvers.
	 *
	 * @see {@link org.glassfish.security.services.api.authorization.RoleMappingService#isUserInRole(String, AzSubject, AzResource, String)}
	 */
	public boolean isUserInRole(String appContext,
			AzSubject subject,
			AzResource resource,
			String role,
			AzEnvironment environment,
			List attributeResolvers);

	/**
	 * Find an existing RoleDeploymentContext, or create a new one if one does not
	 * already exist for the specified application context. 
	 *
	 * @param appContext The application context for which the RoleDeploymentContext is desired.
	 * 
	 * @see {@link org.glassfish.security.services.api.authorization.RoleMappingService#findOrCreateDeploymentContext(String)}
	 */
	public RoleMappingService.RoleDeploymentContext findOrCreateDeploymentContext(String appContext);
}