content: /**
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you 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
   * <p>
   * http://www.apache.org/licenses/LICENSE-2.0
   * <p>
   * 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.
   */
  
  package org.apache.atlas.falcon.util;
  
  import org.apache.commons.lang3.StringUtils;
  import org.apache.falcon.FalconException;
  import org.apache.falcon.security.CurrentUser;
  
  import java.util.HashMap;
  import java.util.Map;
  
  /**
   * Falcon event util
   */
  public final class EventUtil {
      private EventUtil() {}
  
      public static Map<String, String> convertKeyValueStringToMap(final String keyValueString) {
          if (StringUtils.isBlank(keyValueString)) {
              return null;
          }
  
          Map<String, String> keyValueMap = new HashMap<>();
          String[]            tags        = keyValueString.split(",");
  
          for (String tag : tags) {
              int    index    = tag.indexOf("=");
              String tagKey   = tag.substring(0, index).trim();
              String tagValue = tag.substring(index + 1, tag.length()).trim();
  
              keyValueMap.put(tagKey, tagValue);
          }
  
          return keyValueMap;
      }
  
      public static String getUser() throws FalconException {
          try {
              return CurrentUser.getAuthenticatedUGI().getShortUserName();
          } catch (Exception ioe) {
              //Ignore is failed to get user, uses login user
          }
  
          return null;
      }
  }
  