/*-
 * ============LICENSE_START=======================================================
 * ONAP - SO
 * ================================================================================
 * 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.openecomp.mso.adapters.vfc.util;

import org.openecomp.mso.adapters.vfc.constant.HttpCode;
import org.openecomp.mso.adapters.vfc.exceptions.ApplicationException;
import org.openecomp.mso.logger.MessageEnum;
import org.openecomp.mso.logger.MsoLogger;

public class ValidateUtil {

  /**
   * Log server.
   */
  private static final MsoLogger LOGGER = MsoLogger.getMsoLogger(MsoLogger.Catalog.RA);

  /**
   * Constructor<br/>
   * <p>
   * </p>
   * 
   * @since ONAP Amsterdam Release 2017-9-6
   */
  private ValidateUtil() {

  }

  /**
   * Assert String parameter.<br/>
   * 
   * @param paramValue parameter data
   * @param name of parameter
   * @since ONAP Amsterdam Release 2017-9-6
   */
  public static void assertStringNotNull(String paramValue, String paramName)
      throws ApplicationException {
    if (null != paramValue && !paramValue.isEmpty()) {
      return;
    }
    LOGGER.error(MessageEnum.RA_NS_EXC, "VFC Adapter", "", MsoLogger.ErrorCode.AvailabilityError, paramName + ": Parameter is null or empty.");

    throw new ApplicationException(HttpCode.BAD_REQUEST, paramName + ": Invalid parameter.");
  }

  /**
   * Assert object is null.<br/>
   * 
   * @param object data object
   * @since ONAP Amsterdam Release 2017-9-6
   */
  public static void assertObjectNotNull(Object object) throws ApplicationException {
    if (null == object) {
      LOGGER.error(MessageEnum.RA_NS_EXC, "VFC Adapter", "", MsoLogger.ErrorCode.AvailabilityError, "Object is null.");

      throw new ApplicationException(HttpCode.BAD_REQUEST, "Object is null.");
    }

  }

  /**
   * <br>
   * 
   * @param str
   * @return
   * @since ONAP Amsterdam Release
   */
  public static boolean isStrEmpty(String str) {
    return null == str || str.isEmpty();
  }
}