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/*
 * File: PDPClient.java
 *
 * Copyright 2007 Macquarie E-Learning Centre Of Excellence
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.fcrepo.server.security.xacml.pep;

import java.util.List;

import org.fcrepo.server.security.RequestCtx;
import org.jboss.security.xacml.sunxacml.ctx.ResponseCtx;

/**
 * @author [email protected]
 */
public interface PDPClient {

    /**
     * Sends an XACML request for evaluation to the PDP.
     *
     * @param request
     *        an XACML request as a String
     * @return an XACML reponse as a String
     * @throws PEPException
     */
    public String evaluate(String request) throws PEPException;

    public ResponseCtx evaluate(RequestCtx request) throws PEPException;
    /**
     * Sends a String array of XACML requests for evaluation to the PDP. A
     * single response with the results of all requests is returned.
     *
     * @param request
     *        a String array of XACML requests
     * @return an XACML reponse as a String containing results for all requests
     * @throws PEPException
     */
    public String evaluateBatch(List request) throws PEPException;
}