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/*-
 * ============LICENSE_START=======================================================
 * ONAP - SO
 * ================================================================================
 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
 * Copyright (C) 2017 Huawei Technologies Co., Ltd. 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.apihandlerinfra.validation;

import org.onap.so.apihandlerinfra.Action;
import org.onap.so.apihandlerinfra.Actions;
import org.onap.so.exceptions.ValidationException;
import org.onap.so.serviceinstancebeans.ModelType;
import org.onap.so.serviceinstancebeans.SubscriberInfo;

public class SubscriberInfoValidation implements ValidationRule{
    private static boolean empty(String s) {
  	  return (s == null || s.trim().isEmpty());
    }
	@Override
	public ValidationInformation validate(ValidationInformation info) throws ValidationException{
		String requestScope = info.getRequestScope();
		int reqVersion = info.getReqVersion();
		Actions action = info.getAction();
		
		if (reqVersion > 4 && requestScope.equalsIgnoreCase (ModelType.service.name ()) && action == Action.createInstance || action == Action.assignInstance) {
        	SubscriberInfo subscriberInfo = info.getSir().getRequestDetails ().getSubscriberInfo();
        	if (subscriberInfo == null) {
        		throw new ValidationException ("subscriberInfo");
        	}
        	if (empty (subscriberInfo.getGlobalSubscriberId ())) {
        		throw new ValidationException ("globalSubscriberId");
        	}
        }
        return info;
	}
}