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/*-
* ============LICENSE_START=======================================================
* ONAP-PDP-REST
* ================================================================================
* Copyright (C) 2017 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.pdp.rest.api.services;
import java.util.Map;
import org.onap.policy.api.AttributeType;
import org.onap.policy.api.PolicyException;
import org.onap.policy.api.PolicyParameters;
import org.onap.policy.api.RuleProvider;
import org.onap.policy.common.logging.flexlogger.FlexLogger;
import org.onap.policy.common.logging.flexlogger.Logger;
import org.onap.policy.xacml.api.XACMLErrorConstants;
import org.onap.policy.xacml.std.pap.StdPAPPolicy;
/**
* Decision Policy Implementation
*
* @version 0.1
*/
public class DecisionPolicyService{
private static Logger LOGGER = FlexLogger.getLogger(DecisionPolicyService.class.getName());
private static PAPServices papServices = null;
private String message = null;
private String policyScope = null;
private String policyName = null;
private PolicyParameters policyParameters = null;
private String onapName = null;
public DecisionPolicyService(String policyScope, String policyName,
PolicyParameters policyParameters) {
this.policyScope = policyScope;
this.policyName = policyName;
this.policyParameters = policyParameters;
papServices = new PAPServices();
}
public Boolean getValidation() {
onapName = policyParameters.getOnapName();
if (onapName==null||onapName.trim().isEmpty()){
message = XACMLErrorConstants.ERROR_DATA_ISSUE + "No ONAP Name given.";
return false;
}
return true;
}
public String getMessage() {
return message;
}
public String getResult(boolean updateFlag) throws PolicyException {
String response = null;
String operation = null;
if (updateFlag){
operation = "update";
} else {
operation = "create";
}
RuleProvider ruleProvider = policyParameters.getRuleProvider();
if (ruleProvider==null) {
ruleProvider = RuleProvider.CUSTOM ;
}
Map<String,String> matchingAttributes = null;
Map<String,String> settingsAttributes = null;
if (policyParameters.getAttributes()!=null && policyParameters.getAttributes().containsKey(AttributeType.MATCHING) && policyParameters.getAttributes().containsKey(AttributeType.SETTINGS)) {
matchingAttributes = policyParameters.getAttributes().get(AttributeType.MATCHING);
settingsAttributes = policyParameters.getAttributes().get(AttributeType.SETTINGS);
}else if(policyParameters.getAttributes()!=null && !policyParameters.getAttributes().containsKey(AttributeType.MATCHING) && policyParameters.getAttributes().containsKey(AttributeType.SETTINGS)){
settingsAttributes = policyParameters.getAttributes().get(AttributeType.SETTINGS);
}else if(policyParameters.getAttributes()!=null && policyParameters.getAttributes().containsKey(AttributeType.MATCHING) && !policyParameters.getAttributes().containsKey(AttributeType.SETTINGS)){
matchingAttributes = policyParameters.getAttributes().get(AttributeType.MATCHING);
}
// Create Policy.
StdPAPPolicy newPAPPolicy = new StdPAPPolicy(policyName, policyParameters.getPolicyDescription(), onapName, ruleProvider.toString(), matchingAttributes, settingsAttributes, policyParameters.getDynamicRuleAlgorithmLabels(),
policyParameters.getDynamicRuleAlgorithmFunctions(), policyParameters.getDynamicRuleAlgorithmField1(), policyParameters.getDynamicRuleAlgorithmField2(), null, null, null, updateFlag, policyScope, 0);
// Send JSON to PAP.
response = (String) papServices.callPAP(newPAPPolicy, new String[] {"operation="+operation, "apiflag=api", "policyType=Decision"}, policyParameters.getRequestID(), "Decision");
LOGGER.info(message);
return response;
}
}
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