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/*-
* ============LICENSE_START=======================================================
* ONAP-PDP-REST
* ================================================================================
* Copyright (C) 2017-2018 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.text.SimpleDateFormat;
import java.util.Date;
import java.util.UUID;
import org.onap.policy.api.PolicyException;
import org.onap.policy.api.PolicyParameters;
import org.onap.policy.common.logging.flexlogger.FlexLogger;
import org.onap.policy.common.logging.flexlogger.Logger;
import org.onap.policy.pdp.rest.api.utils.PolicyApiUtils;
import org.onap.policy.rest.adapter.PolicyRestAdapter;
import org.onap.policy.rest.util.PolicyValidation;
import org.onap.policy.rest.util.PolicyValidationRequestWrapper;
import org.onap.policy.xacml.api.XACMLErrorConstants;
import org.springframework.http.HttpStatus;
import com.google.common.base.Strings;
public class CreateUpdatePolicyServiceImpl implements CreateUpdatePolicyService {
private static final Logger LOGGER = FlexLogger.getLogger(CreateUpdatePolicyServiceImpl.class.getName());
private String policyResult = null;
private HttpStatus status = HttpStatus.BAD_REQUEST;
private Boolean updateFlag = false;
private String message = null;
private PolicyParameters policyParameters = new PolicyParameters();
private String policyName = null;
private String policyScope = null;
private String date = null;
public CreateUpdatePolicyServiceImpl(PolicyParameters policyParameters,
String requestID, boolean updateFlag) {
this.updateFlag = updateFlag;
this.policyParameters = policyParameters;
if(policyParameters.getRequestID()==null){
UUID requestUUID = null;
if (requestID != null && !requestID.isEmpty()) {
try {
requestUUID = UUID.fromString(requestID);
} catch (IllegalArgumentException e) {
requestUUID = UUID.randomUUID();
LOGGER.info("Generated Random UUID: " + requestUUID.toString(), e);
}
}else{
requestUUID = UUID.randomUUID();
LOGGER.info("Generated Random UUID: " + requestUUID.toString());
}
this.policyParameters.setRequestID(requestUUID);
}
try{
run();
specialCheck();
}catch(PolicyException e){
policyResult = XACMLErrorConstants.ERROR_DATA_ISSUE + e;
status = HttpStatus.BAD_REQUEST;
}
}
public void run() throws PolicyException{
// Check Validation.
if(!getValidation()){
LOGGER.error(message);
throw new PolicyException(message);
}
// Get Result.
try{
status = HttpStatus.OK;
policyResult = processResult();
}catch (Exception e){
LOGGER.error(XACMLErrorConstants.ERROR_DATA_ISSUE + e);
status = HttpStatus.BAD_REQUEST;
throw new PolicyException(e);
}
}
@SuppressWarnings("incomplete-switch")
public String processResult() throws PolicyException{
String response = null;
if(policyParameters.getPolicyConfigType()!=null){
// This is a Config Type Policy.
switch(policyParameters.getPolicyConfigType()){
case BRMS_PARAM:
BRMSParamPolicyService bRMSParamPolicyService = new BRMSParamPolicyService(policyName, policyScope, policyParameters, date);
// Check Validation.
if(!bRMSParamPolicyService.getValidation()){
LOGGER.error(bRMSParamPolicyService.getMessage());
status = HttpStatus.BAD_REQUEST;
return bRMSParamPolicyService.getMessage();
}
// Get Result.
response = bRMSParamPolicyService.getResult(updateFlag);
break;
case BRMS_RAW:
BRMSRawPolicyService bRMSRawPolicyService = new BRMSRawPolicyService(policyName, policyScope, policyParameters, date);
// Check Validation.
if(!bRMSRawPolicyService.getValidation()){
LOGGER.error(bRMSRawPolicyService.getMessage());
status = HttpStatus.BAD_REQUEST;
return bRMSRawPolicyService.getMessage();
}
// Get Result.
response = bRMSRawPolicyService.getResult(updateFlag);
break;
case Base:
ConfigPolicyService configPolicyService = new ConfigPolicyService(policyName, policyScope, policyParameters, date);
// Check Validation.
if(!configPolicyService.getValidation()){
LOGGER.error(configPolicyService.getMessage());
status = HttpStatus.BAD_REQUEST;
return configPolicyService.getMessage();
}
// Get Result.
response = configPolicyService.getResult(updateFlag);
break;
case ClosedLoop_Fault:
ClosedLoopFaultPolicyService closedLoopFaultPolicyService = new ClosedLoopFaultPolicyService(policyName, policyScope, policyParameters, date);
// Check Validation.
if(!closedLoopFaultPolicyService.getValidation()){
LOGGER.error(closedLoopFaultPolicyService.getMessage());
status = HttpStatus.BAD_REQUEST;
return closedLoopFaultPolicyService.getMessage();
}
// Get Result.
response = closedLoopFaultPolicyService.getResult(updateFlag);
break;
case ClosedLoop_PM:
ClosedLoopPMPolicyService closedLoopPMPolicyService = new ClosedLoopPMPolicyService(policyName, policyScope, policyParameters, date);
// Check Validation.
if(!closedLoopPMPolicyService.getValidation()){
LOGGER.error(closedLoopPMPolicyService.getMessage());
status = HttpStatus.BAD_REQUEST;
return closedLoopPMPolicyService.getMessage();
}
// Get Result.
response = closedLoopPMPolicyService.getResult(updateFlag);
break;
case Firewall:
FirewallPolicyService firewallPolicyService = new FirewallPolicyService(policyName, policyScope, policyParameters, date);
// Check Validation.
if(!firewallPolicyService.getValidation()){
LOGGER.error(firewallPolicyService.getMessage());
status = HttpStatus.BAD_REQUEST;
return firewallPolicyService.getMessage();
}
// Get Result.
response = firewallPolicyService.getResult(updateFlag);
break;
case MicroService:
MicroServicesPolicyService microServicesPolicyService = new MicroServicesPolicyService(policyName, policyScope, policyParameters, date);
// Check Validation.
if(!microServicesPolicyService.getValidation()){
LOGGER.error(microServicesPolicyService.getMessage());
status = HttpStatus.BAD_REQUEST;
return microServicesPolicyService.getMessage();
}
// Get Result.
response = microServicesPolicyService.getResult(updateFlag);
break;
default:
message = XACMLErrorConstants.ERROR_DATA_ISSUE+ " Invalid Config Type Present";
LOGGER.error(message);
status = HttpStatus.BAD_REQUEST;
return message;
}
}else if (policyParameters.getPolicyClass()!=null){
switch (policyParameters.getPolicyClass()){
case Action:
ActionPolicyService actionPolicyService = new ActionPolicyService(policyScope, policyName, policyParameters);
// Check Validation.
if(!actionPolicyService.getValidation()){
LOGGER.error(actionPolicyService.getMessage());
status = HttpStatus.BAD_REQUEST;
return actionPolicyService.getMessage();
}
// Get Result.
response = actionPolicyService.getResult(updateFlag);
break;
case Decision:
DecisionPolicyService decisionPolicyService = new DecisionPolicyService(policyScope, policyName, policyParameters);
// Check Validation.
if(!decisionPolicyService.getValidation()){
LOGGER.error(decisionPolicyService.getMessage());
status = HttpStatus.BAD_REQUEST;
return decisionPolicyService.getMessage();
}
// Get Result.
response = decisionPolicyService.getResult(updateFlag);
break;
}
}else {
message = XACMLErrorConstants.ERROR_DATA_ISSUE + "No Policy Class found.";
LOGGER.error(message);
status = HttpStatus.BAD_REQUEST;
response = message;
}
return response;
}
protected boolean getValidation() {
PolicyValidation validation = new PolicyValidation();
StringBuilder responseString;
if (policyParameters != null) {
if (!Strings.isNullOrEmpty(policyParameters.getPolicyName())){
if (policyParameters.getPolicyName().contains(".")) {
policyName = policyParameters.getPolicyName().substring(policyParameters.getPolicyName().lastIndexOf('.') + 1,
policyParameters.getPolicyName().length());
policyScope = policyParameters.getPolicyName().substring(0,policyParameters.getPolicyName().lastIndexOf('.'));
policyParameters.setPolicyName(policyName);
LOGGER.info("Name is " + policyName + " scope is " + policyScope);
} else {
message = XACMLErrorConstants.ERROR_DATA_ISSUE + "Policy Scope: No Policy Scope given";
LOGGER.error("Common validation did not return success: " + message);
return false;
}
} else {
message = XACMLErrorConstants.ERROR_DATA_ISSUE + "PolicyName: PolicyName Should not be empty";
LOGGER.error("Common validation did not return success: " + message);
return false;
}
if(policyParameters.getPolicyClass() != null && "Config".equals(policyParameters.getPolicyClass().toString())){
String policyConfigType = policyParameters.getPolicyConfigType().toString();
if(!"BRMS_Param".equalsIgnoreCase(policyConfigType) && Strings.isNullOrEmpty(policyParameters.getConfigBody())){
message = XACMLErrorConstants.ERROR_DATA_ISSUE + "ConfigBody: No Config Body given";
LOGGER.error("Common validation did not return success: " + message);
return false;
}
}
try {
PolicyValidationRequestWrapper wrapper = new PolicyValidationRequestWrapper();
PolicyRestAdapter policyData = wrapper.populateRequestParameters(policyParameters);
if(policyData!=null) {
responseString = validation.validatePolicy(policyData);
} else {
message = XACMLErrorConstants.ERROR_DATA_ISSUE+ " improper JSON object : " + policyParameters.getConfigBody();
return false;
}
} catch (Exception e) {
LOGGER.error("Exception Occured during Policy Validation" +e);
if(e.getMessage()!=null){
if("Action".equals(policyParameters.getPolicyClass().toString()) && e.getMessage().contains("Index:")){
message = XACMLErrorConstants.ERROR_DATA_ISSUE + "Rule Algorithms: One or more Fields in Rule Algorithms is Empty.";
} else {
message = XACMLErrorConstants.ERROR_DATA_ISSUE + "Exception Occured During Policy Validation: " + e;
}
}
return false;
}
} else {
message = XACMLErrorConstants.ERROR_DATA_ISSUE + "No Policy parameters given. ";
return false;
}
// Set some default Values.
if (policyParameters.getTtlDate()!=null){
date = convertDate(policyParameters.getTtlDate());
}
if (responseString!=null){
String response = responseString.toString().substring(0, 7);
if("success".equals(response)) {
return true;
} else {
message = XACMLErrorConstants.ERROR_DATA_ISSUE + PolicyApiUtils.formatResponse(responseString);
LOGGER.error("Common validation did not return success: " + message);
return false;
}
} else {
message = XACMLErrorConstants.ERROR_DATA_ISSUE + "Unknown Error Occured During Policy Validation";
LOGGER.error(message);
return false;
}
}
protected String convertDate(Date date) {
String strDate = null;
if (date!=null) {
SimpleDateFormat dateformatJava = new SimpleDateFormat("dd-MM-yyyy");
strDate = dateformatJava.format(date);
}
return (strDate==null) ? "NA": strDate;
}
protected void specialCheck() {
if(policyResult== null || policyResult.contains("BAD REQUEST")||policyResult.contains("PE300")){
status = HttpStatus.BAD_REQUEST;
} else if (policyResult.contains("Policy Exist Error")) {
status = HttpStatus.CONFLICT;
} else if (policyResult.contains("PE200")||policyResult.contains("PE900")){
status = HttpStatus.INTERNAL_SERVER_ERROR;
}
}
public String getResult() {
return policyResult;
}
public HttpStatus getResponseCode() {
return status;
}
}
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