thredds.inventory.MFile Maven / Gradle / Ivy

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/*
 * Copyright (c) 1998 - 2009. University Corporation for Atmospheric Research/Unidata
 * Portions of this software were developed by the Unidata Program at the
 * University Corporation for Atmospheric Research.
 *
 * Access and use of this software shall impose the following obligations
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 * any fee or cost, to use, copy, modify, alter, enhance and distribute
 * this software, and any derivative works thereof, and its supporting
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 * notice appears in all copies of the software, derivative works and
 * supporting documentation.  Further, UCAR requests that the user credit
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 * software or in any product that includes this software. The names UCAR
 * and/or Unidata, however, may not be used in any advertising or publicity
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 */

package thredds.inventory;

/**
 * An abstraction for java.io.File / java.nio.file.Path
 *
 * @author caron
 * @since Jun 30, 2009
 */
public interface MFile extends Comparable {

  /**
   * Get time of last modification at the time the MFile object was created
   * @return time of last modification in Unix time (msecs since reference), or -1 if unknown
   */
  public long getLastModified();

  /**
   * Size of file in bytes
   * @return  Size of file in bytes or -1 if unknown
   */
  public long getLength();

  public boolean isDirectory();

  /**
   * Get full path name, replace \\ with /
   * @return full path name
   */
  public String getPath();

  /**
   * The file name is the farthest element from the root in the directory hierarchy.
   * @return the file name
   */
  public String getName();

  public int compareTo(MFile o);

  // does not survive serialization ??
  public Object getAuxInfo();
  public void setAuxInfo(Object info);
}