content: /*
   * The Alluxio Open Foundation licenses this work under the Apache License, version 2.0
   * (the "License"). You may not use this work except in compliance with the License, which is
   * available at www.apache.org/licenses/LICENSE-2.0
   *
   * This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
   * either express or implied, as more fully set forth in the License.
   *
   * See the NOTICE file distributed with this work for information regarding copyright ownership.
   */
  
  package alluxio.underfs.adl;
  
  import alluxio.AlluxioURI;
  import alluxio.Constants;
  import alluxio.underfs.UnderFileSystem;
  import alluxio.underfs.UnderFileSystemConfiguration;
  import alluxio.underfs.UnderFileSystemFactory;
  
  import com.google.common.base.Preconditions;
  
  import javax.annotation.concurrent.ThreadSafe;
  
  /**
   * Factory for creating {@link AdlUnderFileSystem}.
   */
  @ThreadSafe
  public class AdlUnderFileSystemFactory implements UnderFileSystemFactory {
  
    /**
     * Constructs a new {@link AdlUnderFileSystemFactory}.
     */
    public AdlUnderFileSystemFactory() {}
  
    @Override
    public UnderFileSystem create(String path, UnderFileSystemConfiguration conf) {
      Preconditions.checkArgument(path != null, "path may not be null");
      return AdlUnderFileSystem.createInstance(new AlluxioURI(path), conf);
    }
  
    @Override
    public boolean supportsPath(String path) {
      return path != null
        && (path.startsWith(Constants.HEADER_ADL)
        || path.startsWith(Constants.HEADER_ADLS));
    }
  }
  