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
   *
   *     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.
   */
  
  package org.apache.ambari.server.utils;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  public class AmbariPath {
    private static final Logger LOG = LoggerFactory.getLogger(AmbariPath.class);
    
    public static final String AMBARI_SERVER_ROOT_ENV_VARIABLE = "ROOT";
    public static final String rootDirectory = System.getenv(AMBARI_SERVER_ROOT_ENV_VARIABLE);
    
    public static String getPath(String path) {
      if(rootDirectory == null) {  
        LOG.warn("Cannot get $ROOT enviroment variable. Installed to custom root directory Ambari might not work correctly.");
        return path;
      }
      String result = (rootDirectory + path).replaceAll("/+","/");
      return result;
    }
  }
  