org.apache.hadoop.fs.permission
Class ChmodParser

java.lang.Object
  org.apache.hadoop.fs.permission.ChmodParser

public class ChmodParser
extends Object

Parse a permission mode passed in from a chmod command and apply that mode against an existing file.

Field Summary

protected short	groupMode
protected char	groupType
protected short	othersMode
protected char	othersType
protected boolean	symbolic
protected short	userMode
protected char	userType

Constructor Summary

ChmodParser(String modeStr)

Method Summary

short	applyNewPermission(FileStatus file) Apply permission against specified file and determine what the new mode would be
protected int	combineModes(int existing, boolean exeOk)
protected int	combineModeSegments(char type, int mode, int existing, boolean exeOk)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

symbolic

protected boolean symbolic

userMode

protected short userMode

groupMode

protected short groupMode

othersMode

protected short othersMode

userType

protected char userType

groupType

protected char groupType

othersType

protected char othersType

Constructor Detail

ChmodParser

public ChmodParser(String modeStr)
            throws IllegalArgumentException

Throws:

IllegalArgumentException

Method Detail

applyNewPermission

public short applyNewPermission(FileStatus file)

Apply permission against specified file and determine what the new mode would be

Parameters:

file - File against which to apply mode

Returns:

File's new mode if applied.

combineModes

protected int combineModes(int existing,
                           boolean exeOk)

combineModeSegments

protected int combineModeSegments(char type,
                                  int mode,
                                  int existing,
                                  boolean exeOk)