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.carbondata.core.datastore.filesystem;
  
  import java.io.IOException;
  import java.util.ArrayList;
  import java.util.List;
  
  import org.apache.carbondata.common.logging.LogServiceFactory;
  
  import org.apache.hadoop.fs.FileStatus;
  import org.apache.hadoop.fs.Path;
  import org.apache.hadoop.fs.viewfs.ViewFileSystem;
  import org.apache.log4j.Logger;
  
  public class ViewFSCarbonFile extends AbstractDFSCarbonFile {
    /**
     * LOGGER
     */
    private static final Logger LOGGER =
        LogServiceFactory.getLogService(ViewFSCarbonFile.class.getName());
  
    public ViewFSCarbonFile(String filePath) {
      super(filePath);
    }
  
    public ViewFSCarbonFile(FileStatus fileStatus) {
      super(fileStatus);
    }
  
    /**
     * @param listStatus
     * @return
     */
    @Override
    protected CarbonFile[] getFiles(FileStatus[] listStatus) {
      if (listStatus == null) {
        return new CarbonFile[0];
      }
      CarbonFile[] files = new CarbonFile[listStatus.length];
      for (int i = 0; i < files.length; i++) {
        files[i] = new ViewFSCarbonFile(listStatus[i]);
      }
      return files;
    }
  
    @Override
    public CarbonFile[] listFiles(final CarbonFileFilter fileFilter) {
      CarbonFile[] files = listFiles();
      if (files != null && files.length >= 1) {
        List<CarbonFile> fileList = new ArrayList<CarbonFile>(files.length);
        for (CarbonFile file : files) {
          if (fileFilter.accept(file)) {
            fileList.add(file);
          }
        }
        if (fileList.size() >= 1) {
          return fileList.toArray(new CarbonFile[fileList.size()]);
        } else {
          return new CarbonFile[0];
        }
      }
      return files;
    }
  
    @Override
    public boolean renameForce(String changeToName) {
      try {
        if (fileSystem instanceof ViewFileSystem) {
          fileSystem.delete(new Path(changeToName), true);
          fileSystem.rename(path, new Path(changeToName));
          return true;
        } else {
          LOGGER.warn("Unrecognized file system for path: " + path);
          return false;
        }
      } catch (IOException e) {
        LOGGER.error("Exception occurred" + e.getMessage(), e);
        return false;
      }
    }
  }
  