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/*-
* ============LICENSE_START=======================================================
* ONAP - SO
* ================================================================================
* 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.so.client.policy;
import java.io.IOException;
import java.util.List;
import org.onap.so.client.RestClient;
import org.onap.so.client.RestPropertiesLoader;
import org.onap.so.client.defaultproperties.PolicyRestPropertiesImpl;
import org.onap.so.client.policy.entities.AllowedTreatments;
import org.onap.so.client.policy.entities.Bbid;
import org.onap.so.client.policy.entities.Config;
import org.onap.so.client.policy.entities.ConfigRequestParameters;
import org.onap.so.client.policy.entities.DecisionAttributes;
import org.onap.so.client.policy.entities.DictionaryData;
import org.onap.so.client.policy.entities.DictionaryItemsRequest;
import org.onap.so.client.policy.entities.DictionaryJson;
import org.onap.so.client.policy.entities.PolicyConfig;
import org.onap.so.client.policy.entities.PolicyDecision;
import org.onap.so.client.policy.entities.PolicyDecisionRequest;
import org.onap.so.client.policy.entities.PolicyServiceType;
import org.onap.so.client.policy.entities.Workstep;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.fasterxml.jackson.core.JsonParseException;
import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.SerializationFeature;
public class PolicyClientImpl implements PolicyClient {
private static Logger logger = LoggerFactory.getLogger(PolicyClientImpl.class);
private PolicyRestProperties props;
private ObjectMapper mapper = new ObjectMapper();
public PolicyClientImpl() {
props = RestPropertiesLoader.getInstance().getNewImpl(PolicyRestProperties.class);
if (props == null) {
logger.error("No RestProperty.PolicyRestProperties implementation found on classpath");
props = new PolicyRestPropertiesImpl();
}
}
public PolicyDecision getDecision(String serviceType, String vnfType, String bbID, String workStep,
String errorCode) {
DecisionAttributes decisionAttributes = new DecisionAttributes();
decisionAttributes.setServiceType(serviceType);
decisionAttributes.setvNFType(vnfType);
decisionAttributes.setBbID(bbID);
decisionAttributes.setWorkStep(workStep);
decisionAttributes.setErrorCode(errorCode);
return this.getDecision(decisionAttributes);
}
protected PolicyDecision getDecision(DecisionAttributes decisionAttributes) {
PolicyRestClient client = this.getPolicyRestClient(PolicyServiceType.GET_DECISION);
PolicyDecisionRequest decisionRequest = new PolicyDecisionRequest();
decisionRequest.setDecisionAttributes(decisionAttributes);
decisionRequest.setEcompcomponentName(RestClient.ECOMP_COMPONENT_NAME);
return client.post(decisionRequest, PolicyDecision.class);
}
public DictionaryData getAllowedTreatments(String bbID, String workStep)
{
PolicyRestClient client = this.getPolicyRestClient(PolicyServiceType.GET_DICTIONARY_ITEMS);
DictionaryItemsRequest dictionaryItemsRequest = new DictionaryItemsRequest();
dictionaryItemsRequest.setDictionaryType("Decision");
dictionaryItemsRequest.setDictionary("RainyDayTreatments");
final AllowedTreatments response = client.post(dictionaryItemsRequest, AllowedTreatments.class);
final DictionaryJson dictionaryJson = response.getDictionaryJson();
final List<DictionaryData> dictionaryDataList = dictionaryJson.getDictionaryDatas();
for(DictionaryData dictData : dictionaryDataList){
Bbid bBid = dictData.getBbid();
Workstep workstep = dictData.getWorkstep();
String bBidString = bBid.getString();
String workstepString = workstep.getString();
if(bbID.equals(bBidString) && workStep.equals(workstepString)){
return dictData;
}
}
logger.error("There is no AllowedTreatments with that specified parameter set");
return null;
}
@Override
public Config getConfigWithPolicyName(String policyName) {
PolicyRestClient client = this.getPolicyRestClient(PolicyServiceType.GET_CONFIG);
ConfigRequestParameters configReqParameters = new ConfigRequestParameters();
configReqParameters.setPolicyName(policyName);
PolicyConfig[] policyConfigList = client.post(configReqParameters, PolicyConfig[].class);
PolicyConfig policyConfig = null;
if(policyConfigList.length > 1) {
logger.debug("Too many configs for policyName: " + policyName);
return null;
}
try {
policyConfig = policyConfigList[0];
return this.getConfigFromStringJson(policyConfig.getConfig());
} catch (IOException e) {
logger.error(e.getMessage());
return null;
}
}
protected Config getConfigFromStringJson(String configJson) throws JsonParseException, JsonMappingException, IOException {
String unescapedJson = configJson.replaceAll("\\\\", "");
mapper.configure(SerializationFeature.WRAP_ROOT_VALUE, false);
mapper.configure(DeserializationFeature.UNWRAP_ROOT_VALUE, false);
return mapper.readValue(unescapedJson, Config.class);
}
protected PolicyRestClient getPolicyRestClient(PolicyServiceType policyServiceType) {
return new PolicyRestClient(this.props, policyServiceType);
}
}
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