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/*-
* ============LICENSE_START=======================================================
* ONAP
* ================================================================================
* Copyright (C) 2020-2021 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.policy.controlloop.actor.xacml;
import java.util.Collections;
import java.util.Map;
import java.util.concurrent.CompletableFuture;
import javax.ws.rs.core.Response;
import org.onap.policy.controlloop.actorserviceprovider.OperationOutcome;
import org.onap.policy.controlloop.actorserviceprovider.OperationResult;
import org.onap.policy.controlloop.actorserviceprovider.parameters.ControlLoopOperationParams;
import org.onap.policy.controlloop.actorserviceprovider.parameters.HttpConfig;
import org.onap.policy.models.decisions.concepts.DecisionRequest;
import org.onap.policy.models.decisions.concepts.DecisionResponse;
/**
* Guard Operation. The outcome message is set to the guard response. If the guard is
* permitted or indeterminate, then the outcome is set to SUCCESS.
* <p/>
* The input to the request is taken from the payload, where properties are mapped to the
* field names in the {@link DecisionRequest} object. Properties whose names begin with
* "resource." are placed into the "resource" field of the {@link DecisionRequest}. The
* following will be provided, if not specified in the payload:
* <dl>
* <dt>action</dt>
* <dd>"guard"</dd>
* <dt>request ID</dt>
* <dd>generated</dd>
* </dl>
*/
public class GuardOperation extends DecisionOperation {
// operation name
public static final String NAME = "Guard";
public static final String PERMIT = "Permit";
public static final String DENY = "Deny";
public static final String INDETERMINATE = "Indeterminate";
/**
* Constructs the object.
*
* @param params operation parameters
* @param config configuration for this operation
*/
public GuardOperation(ControlLoopOperationParams params, HttpConfig config) {
super(params, config, Collections.emptyList());
}
/**
* Makes a request from the payload.
*
* @return a new request
*/
protected DecisionRequest makeRequest() {
if (params.getPayload() == null) {
throw new IllegalArgumentException("missing payload");
}
DecisionRequest req = config.makeRequest();
req.setRequestId(getSubRequestId());
req.setResource(Map.of("guard", params.getPayload()));
return req;
}
@Override
protected CompletableFuture<OperationOutcome> postProcessResponse(OperationOutcome outcome, String url,
Response rawResponse, DecisionResponse response) {
outcome.setResponse(response);
// determine the result
String status = response.getStatus();
if (status == null) {
outcome.setResult(OperationResult.FAILURE);
outcome.setMessage("response contains no status");
return CompletableFuture.completedFuture(outcome);
}
if (PERMIT.equalsIgnoreCase(status) || INDETERMINATE.equalsIgnoreCase(status)) {
outcome.setResult(OperationResult.SUCCESS);
} else {
outcome.setResult(OperationResult.FAILURE);
}
// set the message
outcome.setMessage(response.getStatus());
return CompletableFuture.completedFuture(outcome);
}
}
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